src/dev/kske/chess/board/Bishop.java

@@ -35,37 +35,54 @@ public class Bishop extends Piece {
 		// Diagonal moves to the lower right
 		for (int i = pos.x + 1, j = pos.y + 1; i < 8 && j < 8; i++, j++) {
 			Move move = new Move(pos, new Position(i, j));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Diagonal moves to the lower left
 		for (int i = pos.x - 1, j = pos.y + 1; i >= 0 && j < 8; i--, j++) {
 			Move move = new Move(pos, new Position(i, j));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Diagonal moves to the upper right
 		for (int i = pos.x + 1, j = pos.y - 1; i < 8 && j >= 0; i++, j--) {
 			Move move = new Move(pos, new Position(i, j));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Diagonal moves to the upper left
 		for (int i = pos.x - 1, j = pos.y - 1; i >= 0 && j >= 0; i--, j--) {
 			Move move = new Move(pos, new Position(i, j));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
 		return moves;
 	}

src/dev/kske/chess/board/Board.java

@@ -23,7 +23,9 @@ public class Board {
 	/**
 	 * Initializes the board with the default chess starting position.
 	 */
-	public Board() { initDefaultPositions(); }
+	public Board() {
+		initDefaultPositions();
+	}
 
 	/**
 	 * Creates a copy of another {@link Board} instance.<br>
@@ -31,14 +33,16 @@ public class Board {
 	 * history of the Board to copy.
 	 *
 	 * @param other          The Board instance to copy
-	 * @param copyVariations if set to {@code true}, the {@link Log} object of the
+	 * @param copyVariations if set to {@code true}, the {@link Log} object of
+	 *                       the
 	 *                       other Board instance is copied with its entire move
 	 *                       history
 	 */
 	public Board(Board other, boolean copyVariations) {
 		for (int i = 0; i < 8; i++)
 			for (int j = 0; j < 8; j++) {
-				if (other.boardArr[i][j] == null) continue;
+				if (other.boardArr[i][j] == null)
+					continue;
 				boardArr[i][j] = (Piece) other.boardArr[i][j].clone();
 				boardArr[i][j].board = this;
 			}
@@ -59,7 +63,8 @@ public class Board {
 	 */
 	public boolean attemptMove(Move move) {
 		Piece piece = getPos(move);
-		if (piece == null || !piece.isValidMove(move)) return false;
+		if (piece == null || !piece.isValidMove(move))
+			return false;
 
 		// Move piece
 		move(move);
@@ -69,7 +74,6 @@ public class Board {
 			revert();
 			return false;
 		}
-
 		return true;
 	}
 
@@ -86,7 +90,8 @@ public class Board {
 		move.execute(this);
 
 		// Update the king's position if the moved piece is the king
-		if (piece instanceof King) kingPos.put(piece.getColor(), move.getDest());
+		if (piece instanceof King)
+			kingPos.put(piece.getColor(), move.getDest());
 
 		// Update log
 		log.add(move, piece, capturePiece);
@@ -97,7 +102,9 @@ public class Board {
 	 *
 	 * @param sanMove The move to execute in SAN (Standard Algebraic Notation)
 	 */
-	public void move(String sanMove) { move(Move.fromSAN(sanMove, this)); }
+	public void move(String sanMove) {
+		move(Move.fromSAN(sanMove, this));
+	}
 
 	/**
 	 * Reverts the last move and removes it from the log.
@@ -110,7 +117,8 @@ public class Board {
 		move.revert(this, moveNode.capturedPiece);
 
 		// Update the king's position if the moved piece is the king
-		if (getPos(move) instanceof King) kingPos.put(getPos(move).getColor(), move.getPos());
+		if (getPos(move) instanceof King)
+			kingPos.put(getPos(move).getColor(), move.getPos());
 
 		// Update log
 		log.removeLast();
@@ -118,7 +126,8 @@ public class Board {
 
 	/**
 	 * Reverts the last move without removing it from the log. After that, a
-	 * {@link MoveEvent} is dispatched containing the inverse of the reverted move.
+	 * {@link MoveEvent} is dispatched containing the inverse of the reverted
+	 * move.
 	 */
 	public void selectPreviousNode() {
 		MoveNode moveNode = log.getLast();
@@ -131,11 +140,18 @@ public class Board {
 		log.selectPreviousNode();
 
 		// Dispatch move event
-		EventBus.getInstance().dispatch(new MoveEvent(move.invert(), getState(log.getActiveColor().opposite())));
+		EventBus.getInstance()
+			.dispatch(
+				new MoveEvent(
+					move.invert(),
+					getState(log.getActiveColor().opposite())
+				)
+			);
 	}
 
 	/**
-	 * Applies the next move stored in the log. After that, a {@link MoveEvent} is
+	 * Applies the next move stored in the log. After that, a {@link MoveEvent}
+	 * is
 	 * dispatched.
 	 *
 	 * @param index the variation index of the move to select
@@ -149,7 +165,10 @@ public class Board {
 		move.execute(this);
 
 		// Dispatch move event
-		EventBus.getInstance().dispatch(new MoveEvent(move, getState(log.getActiveColor().opposite())));
+		EventBus.getInstance()
+			.dispatch(
+				new MoveEvent(move, getState(log.getActiveColor().opposite()))
+			);
 	}
 
 	/**
@@ -162,7 +181,10 @@ public class Board {
 		List<Move> moves = new ArrayList<>();
 		for (int i = 0; i < 8; i++)
 			for (int j = 0; j < 8; j++)
-				if (boardArr[i][j] != null && boardArr[i][j].getColor() == color) moves.addAll(boardArr[i][j].getMoves(new Position(i, j)));
+				if (
+					boardArr[i][j] != null && boardArr[i][j].getColor() == color
+				)
+					moves.addAll(boardArr[i][j].getMoves(new Position(i, j)));
 		return moves;
 	}
 
@@ -172,7 +194,9 @@ public class Board {
 	 * @param pos the position of the piece to invoke the method on
 	 * @return a list of legal moves generated for the piece
 	 */
-	public List<Move> getMoves(Position pos) { return get(pos).getMoves(pos); }
+	public List<Move> getMoves(Position pos) {
+		return get(pos).getMoves(pos);
+	}
 
 	/**
 	 * Checks, if the king is in check.
@@ -180,7 +204,9 @@ public class Board {
 	 * @param color The color of the king to check
 	 * @return {@code true}, if the king is in check
 	 */
-	public boolean checkCheck(Color color) { return isAttacked(kingPos.get(color), color.opposite()); }
+	public boolean checkCheck(Color color) {
+		return isAttacked(kingPos.get(color), color.opposite());
+	}
 
 	/**
 	 * Checks, if a field can be attacked by pieces of a certain color.
@@ -193,7 +219,11 @@ public class Board {
 		for (int i = 0; i < 8; i++)
 			for (int j = 0; j < 8; j++) {
 				Position pos = new Position(i, j);
-				if (get(pos) != null && get(pos).getColor() == color && get(pos).isValidMove(new Move(pos, dest))) return true;
+				if (
+					get(pos) != null && get(pos).getColor() == color
+						&& get(pos).isValidMove(new Move(pos, dest))
+				)
+					return true;
 			}
 		return false;
 	}
@@ -207,13 +237,15 @@ public class Board {
 	 */
 	public boolean checkCheckmate(Color color) {
 		// Return false immediately if the king can move
-		if (!getMoves(kingPos.get(color)).isEmpty()) return false;
+		if (!getMoves(kingPos.get(color)).isEmpty())
+			return false;
 
 		for (Move move : getMoves(color)) {
 			move(move);
 			boolean check = checkCheck(color);
 			revert();
-			if (!check) return false;
+			if (!check)
+				return false;
 		}
 		return true;
 	}
@@ -226,7 +258,8 @@ public class Board {
 	 * @return the current {@link BoardState}
 	 */
 	public BoardState getState(Color color) {
-		return checkCheck(color) ? checkCheckmate(color) ? BoardState.CHECKMATE : BoardState.CHECK
+		return checkCheck(color) ? checkCheckmate(color) ? BoardState.CHECKMATE
+			: BoardState.CHECK
 			: getMoves(color).isEmpty() || log.getLast().halfmoveClock >= 50 ? BoardState.STALEMATE : BoardState.NORMAL;
 	}
 
@@ -239,7 +272,6 @@ public class Board {
 			boardArr[i][1] = new Pawn(Color.BLACK, this);
 			boardArr[i][6] = new Pawn(Color.WHITE, this);
 		}
-
 		// Initialize kings
 		boardArr[4][0] = new King(Color.BLACK, this);
 		boardArr[4][7] = new King(Color.WHITE, this);
@@ -289,18 +321,24 @@ public class Board {
 
 	@Override
 	public boolean equals(Object obj) {
-		if (this == obj) return true;
+		if (this == obj)
-		if (obj == null) return false;
+			return true;
-		if (getClass() != obj.getClass()) return false;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
 		Board other = (Board) obj;
-		return Arrays.deepEquals(boardArr, other.boardArr) && Objects.equals(kingPos, other.kingPos) && Objects.equals(log, other.log);
+		return Arrays.deepEquals(boardArr, other.boardArr) && Objects
+			.equals(kingPos, other.kingPos) && Objects.equals(log, other.log);
 	}
 
 	/**
 	 * @param pos The position from which to return a piece
 	 * @return The piece at the position
 	 */
-	public Piece get(Position pos) { return boardArr[pos.x][pos.y]; }
+	public Piece get(Position pos) {
+		return boardArr[pos.x][pos.y];
+	}
 
 	/**
 	 * Searches for a {@link Piece} inside a file (A - H).
@@ -313,7 +351,12 @@ public class Board {
 	public int get(Class<? extends Piece> pieceClass, char file) {
 		int x = file - 97;
 		for (int i = 0; i < 8; i++)
-			if (boardArr[x][i] != null && boardArr[x][i].getClass() == pieceClass && boardArr[x][i].getColor() == log.getActiveColor()) return 8 - i;
+			if (
+				boardArr[x][i] != null
+					&& boardArr[x][i].getClass() == pieceClass
+					&& boardArr[x][i].getColor() == log.getActiveColor()
+			)
+				return 8 - i;
 		return -1;
 	}
 
@@ -328,7 +371,11 @@ public class Board {
 	public char get(Class<? extends Piece> pieceClass, int rank) {
 		int y = rank - 1;
 		for (int i = 0; i < 8; i++)
-			if (boardArr[i][y] != null && boardArr[i][y].getClass() == pieceClass && boardArr[i][y].getColor() == log.getActiveColor())
+			if (
+				boardArr[i][y] != null
+					&& boardArr[i][y].getClass() == pieceClass
+					&& boardArr[i][y].getColor() == log.getActiveColor()
+			)
 				return (char) (i + 97);
 		return '-';
 	}
@@ -338,14 +385,20 @@ public class Board {
 	 *
 	 * @param pieceClass The class of the piece to search for
 	 * @param dest       The destination that the piece is required to reach
-	 * @return The position of a piece that can move to the specified destination
+	 * @return The position of a piece that can move to the specified
+	 *         destination
 	 */
 	public Position get(Class<? extends Piece> pieceClass, Position dest) {
 		for (int i = 0; i < 8; i++)
 			for (int j = 0; j < 8; j++)
-				if (boardArr[i][j] != null && boardArr[i][j].getClass() == pieceClass && boardArr[i][j].getColor() == log.getActiveColor()) {
+				if (
+					boardArr[i][j] != null
+						&& boardArr[i][j].getClass() == pieceClass
+						&& boardArr[i][j].getColor() == log.getActiveColor()
+				) {
 					Position pos = new Position(i, j);
-					if (boardArr[i][j].isValidMove(new Move(pos, dest))) return pos;
+					if (boardArr[i][j].isValidMove(new Move(pos, dest)))
+						return pos;
 				}
 		return null;
 	}
@@ -356,19 +409,25 @@ public class Board {
 	 * @param pos   The position to place the piece at
 	 * @param piece The piece to place
 	 */
-	public void set(Position pos, Piece piece) { boardArr[pos.x][pos.y] = piece; }
+	public void set(Position pos, Piece piece) {
+		boardArr[pos.x][pos.y] = piece;
+	}
 
 	/**
 	 * @param move The move from which position to return a piece
 	 * @return The piece at the position of the move
 	 */
-	public Piece getPos(Move move) { return get(move.getPos()); }
+	public Piece getPos(Move move) {
+		return get(move.getPos());
+	}
 
 	/**
 	 * @param move The move from which destination to return a piece
 	 * @return The piece at the destination of the move
 	 */
-	public Piece getDest(Move move) { return get(move.getDest()); }
+	public Piece getDest(Move move) {
+		return get(move.getDest());
+	}
 
 	/**
 	 * Places a piece at the position of a move.
@@ -376,7 +435,9 @@ public class Board {
 	 * @param move  The move at which position to place the piece
 	 * @param piece The piece to place
 	 */
-	public void setPos(Move move, Piece piece) { set(move.getPos(), piece); }
+	public void setPos(Move move, Piece piece) {
+		set(move.getPos(), piece);
+	}
 
 	/**
 	 * Places a piece at the destination of a move.
@@ -384,7 +445,9 @@ public class Board {
 	 * @param move  The move at which destination to place the piece
 	 * @param piece The piece to place
 	 */
-	public void setDest(Move move, Piece piece) { set(move.getDest(), piece); }
+	public void setDest(Move move, Piece piece) {
+		set(move.getDest(), piece);
+	}
 
 	/**
 	 * @return The board array

src/dev/kske/chess/board/Castling.java

@@ -20,7 +20,8 @@ public class Castling extends Move {
 	 */
 	public Castling(Position pos, Position dest) {
 		super(pos, dest);
-		rookMove = dest.x == 6 ? new Move(7, pos.y, 5, pos.y) : new Move(0, pos.y, 3, pos.y);
+		rookMove = dest.x == 6 ? new Move(7, pos.y, 5, pos.y)
+			: new Move(0, pos.y, 3, pos.y);
 	}
 
 	/**
@@ -31,7 +32,9 @@ public class Castling extends Move {
 	 * @param xDest the horizontal destination of this castling move
 	 * @param yDest the vertical destination of this castling move
 	 */
-	public Castling(int xPos, int yPos, int xDest, int yDest) { this(new Position(xPos, yPos), new Position(xDest, yDest)); }
+	public Castling(int xPos, int yPos, int xDest, int yDest) {
+		this(new Position(xPos, yPos), new Position(xDest, yDest));
+	}
 
 	@Override
 	public void execute(Board board) {
@@ -48,7 +51,8 @@ public class Castling extends Move {
 	}
 
 	/**
-	 * @return {@code O-O-O} for a queenside castling or {@code O-O} for a kingside
+	 * @return {@code O-O-O} for a queenside castling or {@code O-O} for a
+	 *         kingside
 	 *         castling
 	 */
 	@Override

src/dev/kske/chess/board/EnPassant.java

@@ -31,7 +31,9 @@ public class EnPassant extends Move {
 	 * @param xDest the horizontal destination of this move
 	 * @param yDest the vertical destination of this move
 	 */
-	public EnPassant(int xPos, int yPos, int xDest, int yDest) { this(new Position(xPos, yPos), new Position(xDest, yDest)); }
+	public EnPassant(int xPos, int yPos, int xDest, int yDest) {
+		this(new Position(xPos, yPos), new Position(xDest, yDest));
+	}
 
 	@Override
 	public void execute(Board board) {
@@ -42,7 +44,10 @@ public class EnPassant extends Move {
 	@Override
 	public void revert(Board board, Piece capturedPiece) {
 		super.revert(board, capturedPiece);
-		board.set(capturePos, new Pawn(board.get(pos).getColor().opposite(), board));
+		board.set(
+			capturePos,
+			new Pawn(board.get(pos).getColor().opposite(), board)
+		);
 	}
 
 	/**

src/dev/kske/chess/board/FENString.java

@@ -49,15 +49,22 @@ public class FENString {
 	public FENString(String fen) throws ChessException {
 		// Check fen string against regex
 		Pattern fenPattern = Pattern.compile(
-				"^(?<piecePlacement>(?:[1-8nbrqkpNBRQKP]{1,8}\\/){7}[1-8nbrqkpNBRQKP]{1,8}) (?<activeColor>[wb]) (?<castlingAvailability>-|[KQkq]{1,4}) (?<enPassantTargetSquare>-|[a-h][1-8]) (?<halfmoveClock>\\d+) (?<fullmoveNumber>\\d+)$");
+			"^(?<piecePlacement>(?:[1-8nbrqkpNBRQKP]{1,8}\\/){7}[1-8nbrqkpNBRQKP]{1,8}) (?<activeColor>[wb]) (?<castlingAvailability>-|[KQkq]{1,4}) (?<enPassantTargetSquare>-|[a-h][1-8]) (?<halfmoveClock>\\d+) (?<fullmoveNumber>\\d+)$"
+		);
 		Matcher matcher = fenPattern.matcher(fen);
-		if (!matcher.find()) throw new ChessException("FEN string does not match pattern " + fenPattern.pattern());
+		if (!matcher.find())
+			throw new ChessException(
+				"FEN string does not match pattern " + fenPattern.pattern()
+			);
 
 		// Initialize data fields
 		piecePlacement = matcher.group("piecePlacement");
-		activeColor				= Color.fromFirstChar(matcher.group("activeColor").charAt(0));
+		activeColor
+			= Color.fromFirstChar(matcher.group("activeColor").charAt(0));
 		castlingAvailability = matcher.group("castlingAvailability");
-		if (!matcher.group("enPassantTargetSquare").equals("-")) enPassantTargetSquare = Position.fromLAN(matcher.group("enPassantTargetSquare"));
+		if (!matcher.group("enPassantTargetSquare").equals("-"))
+			enPassantTargetSquare
+				= Position.fromLAN(matcher.group("enPassantTargetSquare"));
 		halfmoveClock = Integer.parseInt(matcher.group("halfmoveClock"));
 		fullmoveNumber = Integer.parseInt(matcher.group("fullmoveNumber"));
 
@@ -71,30 +78,40 @@ public class FENString {
 
 		// Piece placement
 		final String[] rows = piecePlacement.split("/");
-		if (rows.length != 8) throw new ChessException("FEN string contains invalid piece placement");
+		if (rows.length != 8)
+			throw new ChessException(
+				"FEN string contains invalid piece placement"
+			);
 		for (int i = 0; i < 8; i++) {
 			final char[] cols = rows[i].toCharArray();
 			int j = 0;
-			for (char c : cols) {
+			for (char c : cols)
-
 				// Empty space
-				if (Character.isDigit(c)) {
+				if (Character.isDigit(c))
 					j += Character.getNumericValue(c);
-				} else {
+				else {
-					Color color = Character.isUpperCase(c) ? Color.WHITE : Color.BLACK;
+					Color color
+						= Character.isUpperCase(c) ? Color.WHITE : Color.BLACK;
 					try {
-						Constructor<? extends Piece> pieceConstructor = Piece.fromFirstChar(c).getDeclaredConstructor(Color.class, Board.class);
+						Constructor<? extends Piece> pieceConstructor = Piece
+							.fromFirstChar(c)
+							.getDeclaredConstructor(Color.class, Board.class);
 						pieceConstructor.setAccessible(true);
-						board.getBoardArr()[j][i] = pieceConstructor.newInstance(color, board);
+						board.getBoardArr()[j][i]
-					} catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException
+							= pieceConstructor.newInstance(color, board);
-							| NoSuchMethodException | SecurityException e) {
+					} catch (
+						InstantiationException
+						| IllegalAccessException
+						| IllegalArgumentException
+						| InvocationTargetException
+						| NoSuchMethodException
+						| SecurityException e
+					) {
 						e.printStackTrace();
 					}
 					++j;
 				}
 		}
-		}
-
 		// Active color
 		board.getLog().setActiveColor(activeColor);
 
@@ -144,7 +161,8 @@ public class FENString {
 			for (int j = 0; j < 8; j++) {
 				final Piece piece = board.getBoardArr()[j][i];
 
-				if (piece == null) ++empty;
+				if (piece == null)
+					++empty;
 				else {
 
 					// Write empty field count
@@ -152,20 +170,22 @@ public class FENString {
 						sb.append(empty);
 						empty = 0;
 					}
-
 					// Write piece character
 					char p = piece.firstChar();
-					sb.append(piece.getColor() == Color.WHITE ? Character.toUpperCase(p) : p);
+					sb.append(
+						piece.getColor() == Color.WHITE
+							? Character.toUpperCase(p)
+							: p
+					);
 				}
 			}
-
 			// Write empty field count
 			if (empty > 0) {
 				sb.append(empty);
 				empty = 0;
 			}
-
+			if (i < 7)
-			if (i < 7) sb.append('/');
+				sb.append('/');
 		}
 		piecePlacement = sb.toString();
 
@@ -174,10 +194,14 @@ public class FENString {
 
 		// Castling availability
 		castlingAvailability = "";
-		final char castlingRightsChars[] = new char[] { 'K', 'Q', 'k', 'q' };
+		final char castlingRightsChars[] = new char[] {
+			'K', 'Q', 'k', 'q'
+		};
 		for (int i = 0; i < 4; i++)
-			if (board.getLog().getCastlingRights()[i]) castlingAvailability += castlingRightsChars[i];
+			if (board.getLog().getCastlingRights()[i])
-		if (castlingAvailability.isEmpty()) castlingAvailability = "-";
+				castlingAvailability += castlingRightsChars[i];
+		if (castlingAvailability.isEmpty())
+			castlingAvailability = "-";
 
 		// En passant availability
 		enPassantTargetSquare = board.getLog().getEnPassant();
@@ -196,13 +220,15 @@ public class FENString {
 	 */
 	@Override
 	public String toString() {
-		return String.format("%s %c %s %s %d %d",
+		return String.format(
+			"%s %c %s %s %d %d",
 			piecePlacement,
 			activeColor.firstChar(),
 			castlingAvailability,
 			enPassantTargetSquare == null ? "-" : enPassantTargetSquare.toLAN(),
 			halfmoveClock,
-				fullmoveNumber);
+			fullmoveNumber
+		);
 	}
 
 	/**

src/dev/kske/chess/board/King.java

@@ -19,34 +19,52 @@ public class King extends Piece {
 	 * @param color the color of this king
 	 * @param board the board on which this king will be placed
 	 */
-	public King(Color color, Board board) { super(color, board); }
+	public King(Color color, Board board) {
+		super(color, board);
+	}
 
 	@Override
 	public boolean isValidMove(Move move) {
-		return (move.getxDist() == 2 && move.getyDist() == 0
+		return move.getxDist() == 2 && move.getyDist() == 0
-				&& (move.getDest().x == 6 && canCastleKingside() || move.getDest().x == 2 && canCastleQueenside()))
+			&& (move.getDest().x == 6 && canCastleKingside()
-				|| move.getxDist() <= 1 && move.getyDist() <= 1 && checkDestination(move);
+				|| move.getDest().x == 2 && canCastleQueenside())
+			|| move.getxDist() <= 1 && move.getyDist() <= 1
+				&& checkDestination(move);
 	}
 
 	@Override
 	protected List<Move> getPseudolegalMoves(Position pos) {
 		List<Move> moves = new ArrayList<>();
 		for (int i = Math.max(0, pos.x - 1); i < Math.min(8, pos.x + 2); i++)
-			for (int j = Math.max(0, pos.y - 1); j < Math.min(8, pos.y + 2); j++)
+			for (
+				int j = Math.max(0, pos.y - 1);
+				j < Math.min(8, pos.y + 2);
+				j++
+			)
 				if (i != pos.x || j != pos.y) {
 					Move move = new Move(pos, new Position(i, j));
-					if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) moves.add(move);
+					if (
+						board.getDest(move) == null
+							|| board.getDest(move).getColor() != getColor()
+					)
+						moves.add(move);
 				}
 
 		// Castling
-		if (canCastleKingside()) moves.add(new Castling(pos, new Position(6, pos.y)));
+		if (canCastleKingside())
-		if (canCastleQueenside()) moves.add(new Castling(pos, new Position(2, pos.y)));
+			moves.add(new Castling(pos, new Position(6, pos.y)));
+		if (canCastleQueenside())
+			moves.add(new Castling(pos, new Position(2, pos.y)));
 
 		return moves;
 	}
 
 	private boolean canCastleKingside() {
-		if (board.getLog().getCastlingRights()[getColor() == Color.WHITE ? MoveNode.WHITE_KINGSIDE : MoveNode.BLACK_KINGSIDE]) {
+		if (
+			board.getLog().getCastlingRights()[getColor() == Color.WHITE
+				? MoveNode.WHITE_KINGSIDE
+				: MoveNode.BLACK_KINGSIDE]
+		) {
 			int y = getColor() == Color.WHITE ? 7 : 0;
 			Position kingPos = new Position(4, y);
 			Position jumpPos = new Position(5, y);
@@ -58,7 +76,11 @@ public class King extends Piece {
 	}
 
 	private boolean canCastleQueenside() {
-		if (board.getLog().getCastlingRights()[getColor() == Color.WHITE ? MoveNode.WHITE_QUEENSIDE : MoveNode.BLACK_QUEENSIDE]) {
+		if (
+			board.getLog().getCastlingRights()[getColor() == Color.WHITE
+				? MoveNode.WHITE_QUEENSIDE
+				: MoveNode.BLACK_QUEENSIDE]
+		) {
 			int y = getColor() == Color.WHITE ? 7 : 0;
 			Position kingPos = new Position(4, y);
 			Position jumpPos = new Position(3, y);
@@ -69,9 +91,13 @@ public class King extends Piece {
 		return false;
 	}
 
-	private boolean canCastle(Position kingPos, Position freeDest, Position rookPos, Position jumpPos) {
+	private boolean canCastle(
+		Position kingPos, Position freeDest, Position rookPos, Position jumpPos
+	) {
 		Piece rook = board.get(rookPos);
-		return rook != null && rook instanceof Rook && isFreePath(new Move(kingPos, freeDest)) && !board.isAttacked(kingPos, getColor().opposite())
+		return rook != null && rook instanceof Rook && isFreePath(
+			new Move(kingPos, freeDest)
+		) && !board.isAttacked(kingPos, getColor().opposite())
 			&& !board.isAttacked(jumpPos, getColor().opposite());
 	}
 

src/dev/kske/chess/board/Knight.java

@@ -26,13 +26,22 @@ public class Knight extends Piece {
 	@Override
 	public boolean isValidMove(Move move) {
 		return Math.abs(move.getxDist() - move.getyDist()) == 1
-				&& (move.getxDist() == 1 && move.getyDist() == 2 || move.getxDist() == 2 && move.getyDist() == 1) && checkDestination(move);
+			&& (move.getxDist() == 1 && move.getyDist() == 2
+				|| move.getxDist() == 2 && move.getyDist() == 1)
+			&& checkDestination(move);
 	}
 
-	private void checkAndInsertMove(List<Move> moves, Position pos, int offsetX, int offsetY) {
+	private void checkAndInsertMove(
-		if (pos.x + offsetX >= 0 && pos.x + offsetX < 8 && pos.y + offsetY >= 0 && pos.y + offsetY < 8) {
+		List<Move> moves, Position pos, int offsetX, int offsetY
-			Move move = new Move(pos, new Position(pos.x + offsetX, pos.y + offsetY));
+	) {
-			if (checkDestination(move)) moves.add(move);
+		if (
+			pos.x + offsetX >= 0 && pos.x + offsetX < 8 && pos.y + offsetY >= 0
+				&& pos.y + offsetY < 8
+		) {
+			Move move
+				= new Move(pos, new Position(pos.x + offsetX, pos.y + offsetY));
+			if (checkDestination(move))
+				moves.add(move);
 		}
 	}
 
@@ -54,5 +63,7 @@ public class Knight extends Piece {
 	public int getValue() { return 35; }
 
 	@Override
-	public char firstChar() { return 'n'; }
+	public char firstChar() {
+		return 'n';
+	}
 }

src/dev/kske/chess/board/Log.java

@@ -29,14 +29,18 @@ public class Log implements Iterable<MoveNode> {
 	/**
 	 * Creates an instance of {@link Log} in the default state.
 	 */
-	public Log() { reset(); }
+	public Log() {
+		reset();
+	}
 
 	/**
-	 * Creates a (partially deep) copy of another {@link Log} instance which begins
+	 * Creates a (partially deep) copy of another {@link Log} instance which
+	 * begins
 	 * with the current {@link MoveNode}.
 	 *
 	 * @param other          The {@link Log} instance to copy
-	 * @param copyVariations If set to {@code true}, subsequent variations of the
+	 * @param copyVariations If set to {@code true}, subsequent variations of
+	 *                       the
 	 *                       current {@link MoveNode} are copied with the
 	 *                       {@link Log}
 	 */
@@ -68,13 +72,17 @@ public class Log implements Iterable<MoveNode> {
 			private boolean hasNext = !isEmpty();
 
 			@Override
-			public boolean hasNext() { return hasNext; }
+			public boolean hasNext() {
+				return hasNext;
+			}
 
 			@Override
 			public MoveNode next() {
 				MoveNode result = current;
-				if (current.hasVariations()) current = current.getVariations().get(0);
+				if (current.hasVariations())
-				else hasNext = false;
+					current = current.getVariations().get(0);
+				else
+					hasNext = false;
 				return result;
 			}
 		};
@@ -88,16 +96,30 @@ public class Log implements Iterable<MoveNode> {
 	 * @param capturedPiece The piece captured with the move
 	 */
 	public void add(Move move, Piece piece, Piece capturedPiece) {
-		enPassant = piece instanceof Pawn && move.getyDist() == 2 ? new Position(move.getPos().x, move.getPos().y + move.getySign()) : null;
+		enPassant = piece instanceof Pawn && move.getyDist() == 2
-		if (activeColor == Color.BLACK) ++fullmoveNumber;
+			? new Position(move.getPos().x, move.getPos().y + move.getySign())
-		if (piece instanceof Pawn || capturedPiece != null) halfmoveClock = 0;
+			: null;
-		else++halfmoveClock;
+		if (activeColor == Color.BLACK)
+			++fullmoveNumber;
+		if (piece instanceof Pawn || capturedPiece != null)
+			halfmoveClock = 0;
+		else
+			++halfmoveClock;
 		activeColor = activeColor.opposite();
 
 		// Disable castling rights if a king or a rook has been moved
-		if (piece instanceof King || piece instanceof Rook) disableCastlingRights(piece, move.getPos());
+		if (piece instanceof King || piece instanceof Rook)
+			disableCastlingRights(piece, move.getPos());
 
-		final MoveNode leaf = new MoveNode(move, capturedPiece, castlingRights.clone(), enPassant, activeColor, fullmoveNumber, halfmoveClock);
+		final MoveNode leaf = new MoveNode(
+			move,
+			capturedPiece,
+			castlingRights.clone(),
+			enPassant,
+			activeColor,
+			fullmoveNumber,
+			halfmoveClock
+		);
 
 		if (isEmpty()) {
 			root = leaf;
@@ -117,7 +139,8 @@ public class Log implements Iterable<MoveNode> {
 			current.getParent().getVariations().remove(current);
 			current = current.getParent();
 			update();
-		} else reset();
+		} else
+			reset();
 	}
 
 	/**
@@ -128,7 +151,9 @@ public class Log implements Iterable<MoveNode> {
 	/**
 	 * @return {@code true} if the current node has a parent node
 	 */
-	public boolean hasParent() { return !isEmpty() && current.hasParent(); }
+	public boolean hasParent() {
+		return !isEmpty() && current.hasParent();
+	}
 
 	/**
 	 * Reverts the log to its initial state corresponding to the default board
@@ -137,7 +162,9 @@ public class Log implements Iterable<MoveNode> {
 	public void reset() {
 		root = null;
 		current = null;
-		castlingRights	= new boolean[] { true, true, true, true };
+		castlingRights = new boolean[] {
+			true, true, true, true
+		};
 		enPassant = null;
 		activeColor = Color.WHITE;
 		fullmoveNumber = 1;
@@ -150,7 +177,10 @@ public class Log implements Iterable<MoveNode> {
 	 * @param index the index of the variation to select
 	 */
 	public void selectNextNode(int index) {
-		if (!isEmpty() && current.hasVariations() && index < current.getVariations().size()) {
+		if (
+			!isEmpty() && current.hasVariations()
+				&& index < current.getVariations().size()
+		) {
 			current = current.getVariations().get(index);
 			update();
 		}
@@ -177,7 +207,8 @@ public class Log implements Iterable<MoveNode> {
 	}
 
 	/**
-	 * Sets the active color, castling rights, en passant target square, fullmove
+	 * Sets the active color, castling rights, en passant target square,
+	 * fullmove
 	 * number and halfmove clock to those of the current {@link MoveNode}.
 	 */
 	private void update() {
@@ -189,22 +220,35 @@ public class Log implements Iterable<MoveNode> {
 	}
 
 	/**
-	 * Removed the castling rights bound to a rook or king for the rest of the game.
+	 * Removed the castling rights bound to a rook or king for the rest of the
+	 * game.
 	 * This method should be called once the piece has been moved, as a castling
 	 * move involving this piece is forbidden afterwards.
 	 *
-	 * @param piece           the rook or king to disable the castling rights for
+	 * @param piece           the rook or king to disable the castling rights
-	 * @param initialPosition the initial position of the piece during the start of
+	 *                        for
+	 * @param initialPosition the initial position of the piece during the start
+	 *                        of
 	 *                        the game
 	 */
 	private void disableCastlingRights(Piece piece, Position initialPosition) {
 		// Kingside
-		if (piece instanceof King || piece instanceof Rook && initialPosition.x == 7)
+		if (
-			castlingRights[piece.getColor() == Color.WHITE ? MoveNode.WHITE_KINGSIDE : MoveNode.BLACK_KINGSIDE] = false;
+			piece instanceof King
+				|| piece instanceof Rook && initialPosition.x == 7
+		)
+			castlingRights[piece.getColor() == Color.WHITE
+				? MoveNode.WHITE_KINGSIDE
+				: MoveNode.BLACK_KINGSIDE] = false;
 
 		// Queenside
-		if (piece instanceof King || piece instanceof Rook && initialPosition.x == 0)
+		if (
-			castlingRights[piece.getColor() == Color.WHITE ? MoveNode.WHITE_QUEENSIDE : MoveNode.BLACK_QUEENSIDE] = false;
+			piece instanceof King
+				|| piece instanceof Rook && initialPosition.x == 0
+		)
+			castlingRights[piece.getColor() == Color.WHITE
+				? MoveNode.WHITE_QUEENSIDE
+				: MoveNode.BLACK_QUEENSIDE] = false;
 	}
 
 	@Override
@@ -212,17 +256,28 @@ public class Log implements Iterable<MoveNode> {
 		final int prime = 31;
 		int result = 1;
 		result = prime * result + Arrays.hashCode(castlingRights);
-		result	= prime * result + Objects.hash(activeColor, current, enPassant, fullmoveNumber, halfmoveClock);
+		result = prime * result + Objects.hash(
+			activeColor,
+			current,
+			enPassant,
+			fullmoveNumber,
+			halfmoveClock
+		);
 		return result;
 	}
 
 	@Override
 	public boolean equals(Object obj) {
-		if (this == obj) return true;
+		if (this == obj)
-		if (obj == null) return false;
+			return true;
-		if (getClass() != obj.getClass()) return false;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
 		Log other = (Log) obj;
-		return activeColor == other.activeColor && Arrays.equals(castlingRights, other.castlingRights) && Objects.equals(current, other.current)
+		return activeColor == other.activeColor && Arrays
+			.equals(castlingRights, other.castlingRights)
+			&& Objects.equals(current, other.current)
 			&& Objects.equals(enPassant, other.enPassant) && fullmoveNumber == other.fullmoveNumber && halfmoveClock == other.halfmoveClock;
 	}
 
@@ -246,10 +301,13 @@ public class Log implements Iterable<MoveNode> {
 	 *
 	 * @param castlingRights the castling rights to set
 	 */
-	public void setCastlingRights(boolean[] castlingRights) { this.castlingRights = castlingRights; }
+	public void setCastlingRights(boolean[] castlingRights) {
+		this.castlingRights = castlingRights;
+	}
 
 	/**
-	 * @return the en passant target position of the current move or {@code null} if
+	 * @return the en passant target position of the current move or
+	 *         {@code null} if
 	 *         the current move is not an en passant move.
 	 */
 	public Position getEnPassant() { return enPassant; }
@@ -259,7 +317,9 @@ public class Log implements Iterable<MoveNode> {
 	 *
 	 * @param enPassant the en passant target position to set
 	 */
-	public void setEnPassant(Position enPassant) { this.enPassant = enPassant; }
+	public void setEnPassant(Position enPassant) {
+		this.enPassant = enPassant;
+	}
 
 	/**
 	 * @return the color active during the current move
@@ -271,7 +331,9 @@ public class Log implements Iterable<MoveNode> {
 	 *
 	 * @param activeColor the active color to set
 	 */
-	public void setActiveColor(Color activeColor) { this.activeColor = activeColor; }
+	public void setActiveColor(Color activeColor) {
+		this.activeColor = activeColor;
+	}
 
 	/**
 	 * @return the number of moves made until the current move
@@ -283,7 +345,9 @@ public class Log implements Iterable<MoveNode> {
 	 *
 	 * @param fullmoveNumber the fullmove number to set
 	 */
-	public void setFullmoveNumber(int fullmoveNumber) { this.fullmoveNumber = fullmoveNumber; }
+	public void setFullmoveNumber(int fullmoveNumber) {
+		this.fullmoveNumber = fullmoveNumber;
+	}
 
 	/**
 	 * @return the number of halfmoves since the last capture move or pawn move
@@ -295,5 +359,7 @@ public class Log implements Iterable<MoveNode> {
 	 *
 	 * @param halfmoveClock the halfmove clock to set
 	 */
-	public void setHalfmoveClock(int halfmoveClock) { this.halfmoveClock = halfmoveClock; }
+	public void setHalfmoveClock(int halfmoveClock) {
+		this.halfmoveClock = halfmoveClock;
+	}
 }

src/dev/kske/chess/board/Move.java

@@ -44,7 +44,9 @@ public class Move {
 	 * @param xDest the horizontal destination of this move
 	 * @param yDest the vertical destination of this move
 	 */
-	public Move(int xPos, int yPos, int xDest, int yDest) { this(new Position(xPos, yPos), new Position(xDest, yDest)); }
+	public Move(int xPos, int yPos, int xDest, int yDest) {
+		this(new Position(xPos, yPos), new Position(xDest, yDest));
+	}
 
 	/**
 	 * Executed this move on a board.
@@ -52,7 +54,8 @@ public class Move {
 	 * @param board the board to execute this move on.
 	 */
 	public void execute(Board board) {
-		// Move the piece to the move's destination square and clean the old position
+		// Move the piece to the move's destination square and clean the old
+		// position
 		board.set(dest, board.get(pos));
 		board.set(pos, null);
 	}
@@ -61,11 +64,13 @@ public class Move {
 	 * Reverts this move on a board.
 	 *
 	 * @param board         the board to revert this move on
-	 * @param capturedPiece the piece to place at the destination of this move (used
+	 * @param capturedPiece the piece to place at the destination of this move
+	 *                      (used
 	 *                      for reinstating captured pieces)
 	 */
 	public void revert(Board board, Piece capturedPiece) {
-		// Move the piece to the move's position square and clean the destination
+		// Move the piece to the move's position square and clean the
+		// destination
 		board.set(pos, board.get(dest));
 		board.set(dest, capturedPiece);
 	}
@@ -74,7 +79,9 @@ public class Move {
 	 * @return a new move containing this move's destination as its position and
 	 *         this move's position as its destination
 	 */
-	public Move invert() { return new Move(dest, pos); }
+	public Move invert() {
+		return new Move(dest, pos);
+	}
 
 	/**
 	 * Constructs a move from a string representation in Long Algebraic Notation
@@ -86,14 +93,17 @@ public class Move {
 	public static Move fromLAN(String move) {
 		Position pos = Position.fromLAN(move.substring(0, 2));
 		Position dest = Position.fromLAN(move.substring(2));
-		if (move.length() == 5) {
+		if (move.length() == 5)
 			try {
-				return new PawnPromotion(pos, dest, Piece.fromFirstChar(move.charAt(4)));
+				return new PawnPromotion(
+					pos,
+					dest,
+					Piece.fromFirstChar(move.charAt(4))
+				);
 			} catch (Exception e) {
 				e.printStackTrace();
 				return null;
 			}
-		}
 		return new Move(pos, dest);
 	}
 
@@ -103,7 +113,9 @@ public class Move {
 	 *
 	 * @return the LAN string
 	 */
-	public String toLAN() { return getPos().toLAN() + getDest().toLAN(); }
+	public String toLAN() {
+		return getPos().toLAN() + getDest().toLAN();
+	}
 
 	/**
 	 * Converts a move string from standard algebraic notation to a {@link Move}
@@ -115,13 +127,30 @@ public class Move {
 	 */
 	public static Move fromSAN(String sanMove, Board board) {
 		Map<String, Pattern> patterns = new HashMap<>();
-		patterns.put("pieceMove",
+		patterns.put(
+			"pieceMove",
 			Pattern.compile(
-						"^(?<pieceType>[NBRQK])(?:(?<fromFile>[a-h])|(?<fromRank>[1-8])|(?<fromSquare>[a-h][1-8]))?x?(?<toSquare>[a-h][1-8])(?:\\+{0,2}|\\#)$"));
+				"^(?<pieceType>[NBRQK])(?:(?<fromFile>[a-h])|(?<fromRank>[1-8])|(?<fromSquare>[a-h][1-8]))?x?(?<toSquare>[a-h][1-8])(?:\\+{0,2}|\\#)$"
-		patterns.put("pawnCapture",
+			)
-				Pattern.compile("^(?<fromFile>[a-h])(?<fromRank>[1-8])?x(?<toSquare>[a-h][1-8])(?<promotedTo>[NBRQ])?(?:\\+{0,2}|\\#)?$"));
+		);
-		patterns.put("pawnPush", Pattern.compile("^(?<toSquare>[a-h][1-8])(?<promotedTo>[NBRQ])?(?:\\+{0,2}|\\#)$"));
+		patterns.put(
-		patterns.put("castling", Pattern.compile("^(?<queenside>O-O-O)|(?<kingside>O-O)(?:\\+{0,2}|\\#)?$"));
+			"pawnCapture",
+			Pattern.compile(
+				"^(?<fromFile>[a-h])(?<fromRank>[1-8])?x(?<toSquare>[a-h][1-8])(?<promotedTo>[NBRQ])?(?:\\+{0,2}|\\#)?$"
+			)
+		);
+		patterns.put(
+			"pawnPush",
+			Pattern.compile(
+				"^(?<toSquare>[a-h][1-8])(?<promotedTo>[NBRQ])?(?:\\+{0,2}|\\#)$"
+			)
+		);
+		patterns.put(
+			"castling",
+			Pattern.compile(
+				"^(?<queenside>O-O-O)|(?<kingside>O-O)(?:\\+{0,2}|\\#)?$"
+			)
+		);
 
 		for (Map.Entry<String, Pattern> entry : patterns.entrySet()) {
 			Matcher m = entry.getValue().matcher(sanMove);
@@ -131,59 +160,92 @@ public class Move {
 				switch (entry.getKey()) {
 					case "pieceMove":
 						dest = Position.fromLAN(m.group("toSquare"));
-						if (m.group("fromSquare") != null) pos = Position.fromLAN(m.group("fromSquare"));
+						if (m.group("fromSquare") != null)
+							pos = Position.fromLAN(m.group("fromSquare"));
 						else {
-							Class<? extends Piece>	pieceClass	= Piece.fromFirstChar(m.group("pieceType").charAt(0));
+							Class<? extends Piece> pieceClass = Piece
+								.fromFirstChar(m.group("pieceType").charAt(0));
 							char file;
 							int rank;
 							if (m.group("fromFile") != null) {
 								file = m.group("fromFile").charAt(0);
 								rank = board.get(pieceClass, file);
-								pos		= Position.fromLAN(String.format("%c%d", file, rank));
+								pos = Position
-							} else if (m.group("fromRank") != null) {
+									.fromLAN(String.format("%c%d", file, rank));
-								rank	= Integer.parseInt(m.group("fromRank").substring(0, 1));
+							} else
+								if (m.group("fromRank") != null) {
+									rank = Integer.parseInt(
+										m.group("fromRank").substring(0, 1)
+									);
 									file = board.get(pieceClass, rank);
-								pos		= Position.fromLAN(String.format("%c%d", file, rank));
+									pos = Position.fromLAN(
-							} else pos = board.get(pieceClass, dest);
+										String.format("%c%d", file, rank)
+									);
+								} else
+									pos = board.get(pieceClass, dest);
 						}
 						move = new Move(pos, dest);
 						break;
 					case "pawnCapture":
 						char file = m.group("fromFile").charAt(0);
-						int rank = m.group("fromRank") == null ? board.get(Pawn.class, file) : Integer.parseInt(m.group("fromRank"));
+						int rank = m.group("fromRank") == null
+							? board.get(Pawn.class, file)
+							: Integer.parseInt(m.group("fromRank"));
 
 						dest = Position.fromLAN(m.group("toSquare"));
-						pos = Position.fromLAN(String.format("%c%d", file, rank));
+						pos = Position
+							.fromLAN(String.format("%c%d", file, rank));
 
-						if (m.group("promotedTo") != null) {
+						if (m.group("promotedTo") != null)
 							try {
-								move = new PawnPromotion(pos, dest, Piece.fromFirstChar(m.group("promotedTo").charAt(0)));
+								move = new PawnPromotion(
+									pos,
+									dest,
+									Piece.fromFirstChar(m.group("promotedTo").charAt(0))
+								);
 							} catch (Exception e) {
 								e.printStackTrace();
 							}
-						} else move = new Move(pos, dest);
+						else
+							move = new Move(pos, dest);
 						break;
 					case "pawnPush":
 						dest = Position.fromLAN(m.group("toSquare"));
-						int step = board.getLog().getActiveColor() == Color.WHITE ? 1 : -1;
+						int step
+							= board.getLog().getActiveColor() == Color.WHITE ? 1
+								: -1;
 
 						// One step forward
-						if (board.getBoardArr()[dest.x][dest.y + step] != null) pos = new Position(dest.x, dest.y + step);
+						if (board.getBoardArr()[dest.x][dest.y + step] != null)
+							pos = new Position(dest.x, dest.y + step);
 
 						// Double step forward
-						else pos = new Position(dest.x, dest.y + 2 * step);
+						else
+							pos = new Position(dest.x, dest.y + 2 * step);
 
-						if (m.group("promotedTo") != null) {
+						if (m.group("promotedTo") != null)
 							try {
-								move = new PawnPromotion(pos, dest, Piece.fromFirstChar(m.group("promotedTo").charAt(0)));
+								move = new PawnPromotion(
+									pos,
+									dest,
+									Piece.fromFirstChar(m.group("promotedTo").charAt(0))
+								);
 							} catch (Exception e) {
 								e.printStackTrace();
 							}
-						} else move = new Move(pos, dest);
+						else
+							move = new Move(pos, dest);
 						break;
 					case "castling":
-						pos = new Position(4, board.getLog().getActiveColor() == Color.WHITE ? 7 : 0);
+						pos = new Position(
-						dest = new Position(m.group("kingside") != null ? 6 : 2, pos.y);
+							4,
+							board.getLog().getActiveColor() == Color.WHITE ? 7
+								: 0
+						);
+						dest = new Position(
+							m.group("kingside") != null ? 6 : 2,
+							pos.y
+						);
 						move = new Castling(pos, dest);
 						break;
 				}
@@ -194,7 +256,8 @@ public class Move {
 	}
 
 	/**
-	 * Generates a string representation of this move in Standard Algebraic Notation
+	 * Generates a string representation of this move in Standard Algebraic
+	 * Notation
 	 * (SAN).
 	 *
 	 * @param board the {@link Board} providing the context of this move
@@ -205,15 +268,18 @@ public class Move {
 		StringBuilder sb = new StringBuilder(8);
 
 		// Piece symbol
-		if (!(piece instanceof Pawn)) sb.append(Character.toUpperCase(piece.firstChar()));
+		if (!(piece instanceof Pawn))
+			sb.append(Character.toUpperCase(piece.firstChar()));
 
 		// Position
 		// TODO: Deconstruct position into optional file or rank
 		// Omit position if the move is a pawn push
-		if (!(piece instanceof Pawn && xDist == 0)) sb.append(pos.toLAN());
+		if (!(piece instanceof Pawn && xDist == 0))
+			sb.append(pos.toLAN());
 
 		// Capture indicator
-		if (board.get(dest) != null) sb.append('x');
+		if (board.get(dest) != null)
+			sb.append('x');
 
 		// Destination
 		sb.append(dest.toLAN());
@@ -237,19 +303,35 @@ public class Move {
 	public boolean isDiagonal() { return getxDist() == getyDist(); }
 
 	@Override
-	public String toString() { return toLAN(); }
+	public String toString() {
+		return toLAN();
+	}
 
 	@Override
-	public int hashCode() { return Objects.hash(getDest(), getPos(), getxDist(), getxSign(), getyDist(), getySign()); }
+	public int hashCode() {
+		return Objects.hash(
+			getDest(),
+			getPos(),
+			getxDist(),
+			getxSign(),
+			getyDist(),
+			getySign()
+		);
+	}
 
 	@Override
 	public boolean equals(Object obj) {
-		if (this == obj) return true;
+		if (this == obj)
-		if (obj == null) return false;
+			return true;
-		if (getClass() != obj.getClass()) return false;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
 		Move other = (Move) obj;
-		return Objects.equals(getDest(), other.getDest()) && Objects.equals(getPos(), other.getPos()) && getxDist() == other.getxDist()
+		return Objects.equals(getDest(), other.getDest()) && Objects
-				&& getxSign() == other.getxSign() && getyDist() == other.getyDist() && getySign() == other.getySign();
+			.equals(getPos(), other.getPos()) && getxDist() == other.getxDist()
+			&& getxSign() == other.getxSign() && getyDist() == other.getyDist()
+			&& getySign() == other.getySign();
 	}
 
 	/**
@@ -265,20 +347,28 @@ public class Move {
 	/**
 	 * @return the x distance
 	 */
-	public int getxDist() { return xDist; }
+	public int getxDist() {
+		return xDist;
+	}
 
 	/**
 	 * @return the y distance
 	 */
-	public int getyDist() { return yDist; }
+	public int getyDist() {
+		return yDist;
+	}
 
 	/**
 	 * @return the sign of the x distance
 	 */
-	public int getxSign() { return xSign; }
+	public int getxSign() {
+		return xSign;
+	}
 
 	/**
 	 * @return the sign of the y distance
 	 */
-	public int getySign() { return ySign; }
+	public int getySign() {
+		return ySign;
+	}
 }

src/dev/kske/chess/board/MoveNode.java

@@ -77,17 +77,24 @@ public class MoveNode {
 	 * Creates a new {@link MoveNode}.
 	 *
 	 * @param move            the logged {@link Move}
-	 * @param capturedPiece   the {@link Piece} captures by the logged {@link Move}
+	 * @param capturedPiece   the {@link Piece} captures by the logged
+	 *                        {@link Move}
 	 * @param castlingRights  the castling rights present during the move
-	 * @param enPassant       the en passant {@link Position} valid after the logged
+	 * @param enPassant       the en passant {@link Position} valid after the
+	 *                        logged
 	 *                        {@link Move}, or {@code null} if there is none
-	 * @param activeColor     the {@link Color} active after the logged {@link Move}
+	 * @param activeColor     the {@link Color} active after the logged
+	 *                        {@link Move}
 	 * @param fullmoveCounter the number of moves made until the current move
-	 * @param halfmoveClock   the number of halfmoves since the last capture move or
+	 * @param halfmoveClock   the number of halfmoves since the last capture
+	 *                        move or
 	 *                        pawn move
 	 */
-	public MoveNode(Move move, Piece capturedPiece, boolean castlingRights[], Position enPassant, Color activeColor, int fullmoveCounter,
+	public MoveNode(
-			int halfmoveClock) {
+		Move move, Piece capturedPiece, boolean castlingRights[],
+		Position enPassant, Color activeColor, int fullmoveCounter,
+		int halfmoveClock
+	) {
 		this.move = move;
 		this.capturedPiece = capturedPiece;
 		this.castlingRights = castlingRights;
@@ -106,10 +113,18 @@ public class MoveNode {
 	 *                       considers subsequent variations
 	 */
 	public MoveNode(MoveNode other, boolean copyVariations) {
-		this(other.move, other.capturedPiece, other.castlingRights.clone(), other.enPassant, other.activeColor, other.fullmoveCounter,
+		this(
-				other.halfmoveClock);
+			other.move,
+			other.capturedPiece,
+			other.castlingRights.clone(),
+			other.enPassant,
+			other.activeColor,
+			other.fullmoveCounter,
+			other.halfmoveClock
+		);
 		if (copyVariations && other.variations != null) {
-			if (variations == null) variations = new ArrayList<>();
+			if (variations == null)
+				variations = new ArrayList<>();
 			for (MoveNode variation : other.variations) {
 				MoveNode copy = new MoveNode(variation, true);
 				copy.parent = this;
@@ -124,7 +139,8 @@ public class MoveNode {
 	 * @param variation The {@link MoveNode} to append to this {@link MoveNode}
 	 */
 	public void addVariation(MoveNode variation) {
-		if (variations == null) variations = new ArrayList<>();
+		if (variations == null)
+			variations = new ArrayList<>();
 		if (!variations.contains(variation)) {
 			variations.add(variation);
 			variation.parent = this;
@@ -139,7 +155,9 @@ public class MoveNode {
 	/**
 	 * @return {@code true} if this move node has any variations
 	 */
-	public boolean hasVariations() { return variations != null && variations.size() > 0; }
+	public boolean hasVariations() {
+		return variations != null && variations.size() > 0;
+	}
 
 	/**
 	 * @return the parent node of this move node
@@ -156,18 +174,22 @@ public class MoveNode {
 	/**
 	 * @return {@code true} if this move node has a parent
 	 */
-	public boolean hasParent() { return parent != null; }
+	public boolean hasParent() {
+		return parent != null;
+	}
 
 	@Override
 	public String toString() {
-		return String.format("MoveNode[move=%s,capturedPiece=%s,castlingRights=%s,enPassant=%s,activeColor=%s,fullmoveCounter=%d,halfmoveClock=%d]",
+		return String.format(
+			"MoveNode[move=%s,capturedPiece=%s,castlingRights=%s,enPassant=%s,activeColor=%s,fullmoveCounter=%d,halfmoveClock=%d]",
 			move,
 			capturedPiece,
 			Arrays.toString(castlingRights),
 			enPassant,
 			activeColor,
 			fullmoveCounter,
-				halfmoveClock);
+			halfmoveClock
+		);
 	}
 
 	@Override
@@ -175,18 +197,31 @@ public class MoveNode {
 		final int prime = 31;
 		int result = 1;
 		result = prime * result + Arrays.hashCode(castlingRights);
-		result	= prime * result + Objects.hash(activeColor, capturedPiece, enPassant, fullmoveCounter, halfmoveClock, move);
+		result = prime * result + Objects.hash(
+			activeColor,
+			capturedPiece,
+			enPassant,
+			fullmoveCounter,
+			halfmoveClock,
+			move
+		);
 		return result;
 	}
 
 	@Override
 	public boolean equals(Object obj) {
-		if (this == obj) return true;
+		if (this == obj)
-		if (obj == null) return false;
+			return true;
-		if (getClass() != obj.getClass()) return false;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
 		MoveNode other = (MoveNode) obj;
-		return activeColor == other.activeColor && Objects.equals(capturedPiece, other.capturedPiece)
+		return activeColor == other.activeColor
+			&& Objects.equals(capturedPiece, other.capturedPiece)
 			&& Arrays.equals(castlingRights, other.castlingRights) && Objects.equals(enPassant, other.enPassant)
-				&& fullmoveCounter == other.fullmoveCounter && halfmoveClock == other.halfmoveClock && Objects.equals(move, other.move);
+			&& fullmoveCounter == other.fullmoveCounter
+			&& halfmoveClock == other.halfmoveClock
+			&& Objects.equals(move, other.move);
 	}
 }

src/dev/kske/chess/board/Pawn.java

@@ -19,62 +19,101 @@ public class Pawn extends Piece {
 	 * @param color the color of this pawn
 	 * @param board the board on which this pawn will be placed
 	 */
-	public Pawn(Color color, Board board) { super(color, board); }
+	public Pawn(Color color, Board board) {
+		super(color, board);
+	}
 
 	@Override
 	public boolean isValidMove(Move move) {
 		boolean step = move.isVertical() && move.getyDist() == 1;
 		boolean doubleStep = move.isVertical() && move.getyDist() == 2;
 		boolean strafe = move.isDiagonal() && move.getxDist() == 1;
-		boolean	enPassant	= strafe && move.getDest().equals(board.getLog().getEnPassant());
+		boolean enPassant
-		if (getColor() == Color.WHITE) doubleStep &= move.getPos().y == 6;
+			= strafe && move.getDest().equals(board.getLog().getEnPassant());
-		else doubleStep &= move.getPos().y == 1;
+		if (getColor() == Color.WHITE)
+			doubleStep &= move.getPos().y == 6;
+		else
+			doubleStep &= move.getPos().y == 1;
 
-		return enPassant || (step ^ doubleStep ^ strafe) && move.getySign() == (getColor() == Color.WHITE ? -1 : 1) && isFreePath(move);
+		return enPassant || step ^ doubleStep ^ strafe
+			&& move.getySign() == (getColor() == Color.WHITE ? -1 : 1)
+			&& isFreePath(move);
 	}
 
 	@Override
 	protected boolean isFreePath(Move move) {
 		// Two steps forward
 		if (move.getyDist() == 2)
-			return board.getBoardArr()[move.getPos().x][move.getDest().y - move.getySign()] == null && board.getDest(move) == null;
+			return board.getBoardArr()[move.getPos().x][move.getDest().y
+				- move.getySign()] == null && board.getDest(move) == null;
 		// One step forward
-		else if (move.getxDist() == 0) return board.getDest(move) == null;
+		else
+			if (move.getxDist() == 0)
+				return board.getDest(move) == null;
 			// Capture move
-		else return board.getDest(move) != null && board.getDest(move).getColor() != getColor();
+			else
+				return board.getDest(move) != null
+					&& board.getDest(move).getColor() != getColor();
 	}
 
 	@Override
 	protected List<Move> getPseudolegalMoves(Position pos) {
 		List<Move> moves = new ArrayList<>();
 		int sign = getColor() == Color.WHITE ? -1 : 1;
-		boolean		pawnPromotion	= sign == 1 && pos.y == 6 || sign == -1 && pos.y == 1;
+		boolean pawnPromotion
+			= sign == 1 && pos.y == 6 || sign == -1 && pos.y == 1;
 
 		// Strafe left
-		if (pos.x > 0) addMoveIfValid(moves, pos, new Position(pos.x - 1, pos.y + sign), pawnPromotion);
+		if (pos.x > 0)
+			addMoveIfValid(
+				moves,
+				pos,
+				new Position(pos.x - 1, pos.y + sign),
+				pawnPromotion
+			);
 
 		// Strafe right
-		if (pos.x < 7) addMoveIfValid(moves, pos, new Position(pos.x + 1, pos.y + sign), pawnPromotion);
+		if (pos.x < 7)
+			addMoveIfValid(
+				moves,
+				pos,
+				new Position(pos.x + 1, pos.y + sign),
+				pawnPromotion
+			);
 
 		// Step forward
-		if (sign == 1 && pos.y < 7 || sign == -1 && pos.y > 0) addMoveIfValid(moves, pos, new Position(pos.x, pos.y + sign), pawnPromotion);
+		if (sign == 1 && pos.y < 7 || sign == -1 && pos.y > 0)
+			addMoveIfValid(
+				moves,
+				pos,
+				new Position(pos.x, pos.y + sign),
+				pawnPromotion
+			);
 
 		// Double step forward
-		if (sign == 1 && pos.y == 1 || sign == -1 && pos.y == 6) addMoveIfValid(moves, pos, new Position(pos.x, pos.y + 2 * sign), pawnPromotion);
+		if (sign == 1 && pos.y == 1 || sign == -1 && pos.y == 6)
+			addMoveIfValid(
+				moves,
+				pos,
+				new Position(pos.x, pos.y + 2 * sign),
+				pawnPromotion
+			);
 
 		// Add en passant move if necessary
 		if (board.getLog().getEnPassant() != null) {
 			Move move = new EnPassant(pos, board.getLog().getEnPassant());
-			if (move.isDiagonal() && move.getxDist() == 1) moves.add(move);
+			if (move.isDiagonal() && move.getxDist() == 1)
+				moves.add(move);
 		}
-
 		return moves;
 	}
 
-	private void addMoveIfValid(List<Move> moves, Position pos, Position dest, boolean pawnPromotion) {
+	private void addMoveIfValid(
+		List<Move> moves, Position pos, Position dest, boolean pawnPromotion
+	) {
 		Move move = new Move(pos, dest);
-		if (isFreePath(move)) {
+		if (isFreePath(move))
-			if (pawnPromotion) {
+			if (pawnPromotion)
 				try {
 					moves.add(new PawnPromotion(pos, dest, Queen.class));
 					moves.add(new PawnPromotion(pos, dest, Rook.class));
@@ -83,8 +122,8 @@ public class Pawn extends Piece {
 				} catch (Exception e) {
 					e.printStackTrace();
 				}
-			} else moves.add(move);
+			else
-		}
+				moves.add(move);
 	}
 
 	@Override

src/dev/kske/chess/board/PawnPromotion.java

@@ -26,26 +26,28 @@ public class PawnPromotion extends Move {
 	 * @param dest                the destination of this move
 	 * @param promotionPieceClass the class of the piece to which the pawn is
 	 *                            promoted
-	 *
 	 * @throws ReflectiveOperationException if the promotion piece could not be
 	 *                                      instantiated
 	 * @throws RuntimeException             if the promotion piece could not be
 	 *                                      instantiated
 	 */
-	public PawnPromotion(Position pos, Position dest, Class<? extends Piece> promotionPieceClass)
+	public PawnPromotion(
+		Position pos, Position dest, Class<? extends Piece> promotionPieceClass
+	)
 		throws ReflectiveOperationException, RuntimeException {
 		super(pos, dest);
 
 		// Cache piece constructor
-		promotionPieceConstructor = promotionPieceClass.getDeclaredConstructor(Color.class, Board.class);
+		promotionPieceConstructor = promotionPieceClass
+			.getDeclaredConstructor(Color.class, Board.class);
 		promotionPieceConstructor.setAccessible(true);
 
 		// Get piece char
-		promotionPieceChar = (char) promotionPieceClass.getMethod("firstChar").invoke(promotionPieceConstructor.newInstance(null, null));
+		promotionPieceChar = (char) promotionPieceClass.getMethod("firstChar")
+			.invoke(promotionPieceConstructor.newInstance(null, null));
 	}
 
 	/**
-	 *
 	 * Creates an instance of {@link PawnPromotion}.
 	 *
 	 * @param xPos                the horizontal position of this move
@@ -59,17 +61,33 @@ public class PawnPromotion extends Move {
 	 * @throws RuntimeException             if the promotion piece could not be
 	 *                                      instantiated
 	 */
-	public PawnPromotion(int xPos, int yPos, int xDest, int yDest, Class<? extends Piece> promotionPieceClass)
+	public PawnPromotion(
+		int xPos, int yPos, int xDest, int yDest,
+		Class<? extends Piece> promotionPieceClass
+	)
 		throws ReflectiveOperationException, RuntimeException {
-		this(new Position(xPos, yPos), new Position(xDest, yDest), promotionPieceClass);
+		this(
+			new Position(xPos, yPos),
+			new Position(xDest, yDest),
+			promotionPieceClass
+		);
 	}
 
 	@Override
 	public void execute(Board board) {
 		try {
-			board.set(pos, promotionPieceConstructor.newInstance(board.get(pos).getColor(), board));
+			board.set(
+				pos,
+				promotionPieceConstructor.newInstance(board.get(pos).getColor(), board)
+			);
 			super.execute(board);
-		} catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException | SecurityException e) {
+		} catch (
+			InstantiationException
+			| IllegalAccessException
+			| IllegalArgumentException
+			| InvocationTargetException
+			| SecurityException e
+		) {
 			e.printStackTrace();
 		}
 	}
@@ -81,7 +99,9 @@ public class PawnPromotion extends Move {
 	}
 
 	@Override
-	public String toLAN() { return pos.toLAN() + dest.toLAN() + promotionPieceChar; }
+	public String toLAN() {
+		return pos.toLAN() + dest.toLAN() + promotionPieceChar;
+	}
 
 	@Override
 	public String toSAN(Board board) {
@@ -93,16 +113,21 @@ public class PawnPromotion extends Move {
 	public int hashCode() {
 		final int prime = 31;
 		int result = super.hashCode();
-		result = prime * result + Objects.hash(promotionPieceChar, promotionPieceConstructor);
+		result = prime * result
+			+ Objects.hash(promotionPieceChar, promotionPieceConstructor);
 		return result;
 	}
 
 	@Override
 	public boolean equals(Object obj) {
-		if (this == obj) return true;
+		if (this == obj)
-		if (!super.equals(obj)) return false;
+			return true;
-		if (!(obj instanceof PawnPromotion)) return false;
+		if (!super.equals(obj))
+			return false;
+		if (!(obj instanceof PawnPromotion))
+			return false;
 		PawnPromotion other = (PawnPromotion) obj;
-		return promotionPieceChar == other.promotionPieceChar && Objects.equals(promotionPieceConstructor, other.promotionPieceConstructor);
+		return promotionPieceChar == other.promotionPieceChar && Objects
+			.equals(promotionPieceConstructor, other.promotionPieceConstructor);
 	}
 }

src/dev/kske/chess/board/Piece.java

@@ -41,7 +41,8 @@ public abstract class Piece implements Cloneable {
 		for (Iterator<Move> iterator = moves.iterator(); iterator.hasNext();) {
 			Move move = iterator.next();
 			board.move(move);
-			if (board.checkCheck(getColor())) iterator.remove();
+			if (board.checkCheck(getColor()))
+				iterator.remove();
 			board.revert();
 		}
 		return moves;
@@ -64,16 +65,23 @@ public abstract class Piece implements Cloneable {
 	public abstract boolean isValidMove(Move move);
 
 	/**
-	 * Checks, if the squares between the position and the destination of a move are
+	 * Checks, if the squares between the position and the destination of a move
+	 * are
 	 * free.
 	 *
 	 * @param move The move to check
 	 * @return {@true} if the path is free
 	 */
 	protected boolean isFreePath(Move move) {
-		for (int i = move.getPos().x + move.getxSign(), j = move.getPos().y + move.getySign(); i != move.getDest().x
+		for (
-				|| j != move.getDest().y; i += move.getxSign(), j += move.getySign())
+			int i = move.getPos().x + move.getxSign(), j
-			if (board.getBoardArr()[i][j] != null) return false;
+				= move.getPos().y + move.getySign();
+			i != move.getDest().x
+				|| j != move.getDest().y;
+			i += move.getxSign(), j += move.getySign()
+		)
+			if (board.getBoardArr()[i][j] != null)
+				return false;
 		return checkDestination(move);
 	}
 
@@ -84,7 +92,10 @@ public abstract class Piece implements Cloneable {
 	 * @param move The move to check
 	 * @return {@code false} if the move's destination is from the same team
 	 */
-	protected final boolean checkDestination(Move move) { return board.getDest(move) == null || board.getDest(move).getColor() != getColor(); }
+	protected final boolean checkDestination(Move move) {
+		return board.getDest(move) == null
+			|| board.getDest(move).getColor() != getColor();
+	}
 
 	@Override
 	public Object clone() {
@@ -98,35 +109,47 @@ public abstract class Piece implements Cloneable {
 	}
 
 	@Override
-	public String toString() { return String.format("%s[color=%s]", getClass().getSimpleName(), color); }
+	public String toString() {
+		return String.format("%s[color=%s]", getClass().getSimpleName(), color);
+	}
 
 	@Override
-	public int hashCode() { return Objects.hash(color); }
+	public int hashCode() {
+		return Objects.hash(color);
+	}
 
 	@Override
 	public boolean equals(Object obj) {
-		if (this == obj) return true;
+		if (this == obj)
-		if (obj == null) return false;
+			return true;
-		if (getClass() != obj.getClass()) return false;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
 		Piece other = (Piece) obj;
 		return color == other.color;
 	}
 
 	/**
-	 * @return the standard value of this {@link Piece} that can be used for board
+	 * @return the standard value of this {@link Piece} that can be used for
+	 *         board
 	 *         evaluation
 	 */
 	public abstract int getValue();
 
 	/**
-	 * @return The first character of this {@link Piece} in algebraic notation and
+	 * @return The first character of this {@link Piece} in algebraic notation
+	 *         and
 	 *         lower case
 	 */
-	public char firstChar() { return Character.toLowerCase(getClass().getSimpleName().charAt(0)); }
+	public char firstChar() {
+		return Character.toLowerCase(getClass().getSimpleName().charAt(0));
+	}
 
 	/**
 	 * @param firstChar the first character of a piece's name
-	 * @return the class of the piece associated with that character or {@code null}
+	 * @return the class of the piece associated with that character or
+	 *         {@code null}
 	 *         if no piece is associated with the given character
 	 */
 	public static Class<? extends Piece> fromFirstChar(char firstChar) {
@@ -175,19 +198,26 @@ public abstract class Piece implements Cloneable {
 
 		/**
 		 * @param c the first character of a color's name
-		 * @return {@code WHITE} if the character is {@code w} or {@code W}, else
+		 * @return {@code WHITE} if the character is {@code w} or {@code W},
+		 *         else
 		 *         {@code BLACK}
 		 */
-		public static Color fromFirstChar(char c) { return Character.toLowerCase(c) == 'w' ? WHITE : BLACK; }
+		public static Color fromFirstChar(char c) {
+			return Character.toLowerCase(c) == 'w' ? WHITE : BLACK;
+		}
 
 		/**
 		 * @return the first character (lower case) of this color
 		 */
-		public char firstChar() { return this == WHITE ? 'w' : 'b'; }
+		public char firstChar() {
+			return this == WHITE ? 'w' : 'b';
+		}
 
 		/**
 		 * @return the opposite of this color
 		 */
-		public Color opposite() { return this == WHITE ? BLACK : WHITE; }
+		public Color opposite() {
+			return this == WHITE ? BLACK : WHITE;
+		}
 	}
 }

src/dev/kske/chess/board/Position.java

@@ -37,17 +37,26 @@ public class Position {
 	 * @param pos the LAN string to construct a position from
 	 * @return the position constructed from LAN
 	 */
-	public static Position fromLAN(String pos) { return new Position(pos.charAt(0) - 97, 8 - Character.getNumericValue(pos.charAt(1))); }
+	public static Position fromLAN(String pos) {
+		return new Position(
+			pos.charAt(0) - 97,
+			8 - Character.getNumericValue(pos.charAt(1))
+		);
+	}
 
 	/**
 	 * Converts this position to Long Algebraic Notation (LAN)
 	 *
 	 * @return a LAN string representing this position
 	 */
-	public String toLAN() { return String.valueOf((char) (x + 97)) + String.valueOf(8 - y); }
+	public String toLAN() {
+		return String.valueOf((char) (x + 97)) + String.valueOf(8 - y);
+	}
 
 	@Override
-	public String toString() { return String.format("[%d, %d]", x, y); }
+	public String toString() {
+		return String.format("[%d, %d]", x, y);
+	}
 
 	@Override
 	public int hashCode() {
@@ -60,12 +69,17 @@ public class Position {
 
 	@Override
 	public boolean equals(Object obj) {
-		if (this == obj) return true;
+		if (this == obj)
-		if (obj == null) return false;
+			return true;
-		if (getClass() != obj.getClass()) return false;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
 		Position other = (Position) obj;
-		if (x != other.x) return false;
+		if (x != other.x)
-		if (y != other.y) return false;
+			return false;
+		if (y != other.y)
+			return false;
 		return true;
 	}
 }

src/dev/kske/chess/board/Queen.java

@@ -25,7 +25,8 @@ public class Queen extends Piece {
 
 	@Override
 	public boolean isValidMove(Move move) {
-		return ((move.isHorizontal() || move.isVertical()) || move.isDiagonal()) && isFreePath(move);
+		return (move.isHorizontal() || move.isVertical() || move.isDiagonal())
+			&& isFreePath(move);
 	}
 
 	@Override
@@ -35,73 +36,106 @@ public class Queen extends Piece {
 		// Horizontal moves to the right
 		for (int i = pos.x + 1; i < 8; i++) {
 			Move move = new Move(pos, new Position(i, pos.y));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Horizontal moves to the left
 		for (int i = pos.x - 1; i >= 0; i--) {
 			Move move = new Move(pos, new Position(i, pos.y));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Vertical moves to the top
 		for (int i = pos.y - 1; i >= 0; i--) {
 			Move move = new Move(pos, new Position(pos.x, i));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Vertical moves to the bottom
 		for (int i = pos.y + 1; i < 8; i++) {
 			Move move = new Move(pos, new Position(pos.x, i));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Diagonal moves to the lower right
 		for (int i = pos.x + 1, j = pos.y + 1; i < 8 && j < 8; i++, j++) {
 			Move move = new Move(pos, new Position(i, j));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Diagonal moves to the lower left
 		for (int i = pos.x - 1, j = pos.y + 1; i >= 0 && j < 8; i--, j++) {
 			Move move = new Move(pos, new Position(i, j));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Diagonal moves to the upper right
 		for (int i = pos.x + 1, j = pos.y - 1; i < 8 && j >= 0; i++, j--) {
 			Move move = new Move(pos, new Position(i, j));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Diagonal moves to the upper left
 		for (int i = pos.x - 1, j = pos.y - 1; i >= 0 && j >= 0; i--, j--) {
 			Move move = new Move(pos, new Position(i, j));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
 		return moves;
 	}

src/dev/kske/chess/board/Rook.java

@@ -35,37 +35,54 @@ public class Rook extends Piece {
 		// Horizontal moves to the right
 		for (int i = pos.x + 1; i < 8; i++) {
 			Move move = new Move(pos, new Position(i, pos.y));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Horizontal moves to the left
 		for (int i = pos.x - 1; i >= 0; i--) {
 			Move move = new Move(pos, new Position(i, pos.y));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Vertical moves to the top
 		for (int i = pos.y - 1; i >= 0; i--) {
 			Move move = new Move(pos, new Position(pos.x, i));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Vertical moves to the bottom
 		for (int i = pos.y + 1; i < 8; i++) {
 			Move move = new Move(pos, new Position(pos.x, i));
-			if (board.getDest(move) == null || board.getDest(move).getColor() != getColor()) {
+			if (
+				board.getDest(move) == null
+					|| board.getDest(move).getColor() != getColor()
+			) {
 				moves.add(move);
-				if (board.getDest(move) != null) break;
+				if (board.getDest(move) != null)
-			} else break;
+					break;
+			} else
+				break;
 		}
 		return moves;
 	}

src/dev/kske/chess/event/EventBus.java

@@ -23,18 +23,23 @@ public class EventBus {
 	 * @return a singleton instance of {@link EventBus}
 	 */
 	public static EventBus getInstance() {
-		if (instance == null) instance = new EventBus();
+		if (instance == null)
+			instance = new EventBus();
 		return instance;
 	}
 
-	private EventBus() { subscribers = new ArrayList<>(); }
+	private EventBus() {
+		subscribers = new ArrayList<>();
+	}
 
 	/**
 	 * Registers a subscriber to which future events will be dispatched.
 	 *
 	 * @param subscribable the subscriber to register
 	 */
-	public void register(Subscriber subscribable) { subscribers.add(subscribable); }
+	public void register(Subscriber subscribable) {
+		subscribers.add(subscribable);
+	}
 
 	/**
 	 * Dispatches an event to all {@Subscriber}s registered at this event bus.
@@ -42,7 +47,9 @@ public class EventBus {
 	 * @param event the event to dispatch
 	 */
 	public void dispatch(Event<?> event) {
-		subscribers.stream().filter(e -> e.supports().contains(event.getClass())).forEach(e -> e.handle(event));
+		subscribers.stream()
+			.filter(e -> e.supports().contains(event.getClass()))
+			.forEach(e -> e.handle(event));
 	}
 
 	/**

src/dev/kske/chess/event/GameStartEvent.java

@@ -19,7 +19,9 @@ public class GameStartEvent implements Event<Game> {
 	 *
 	 * @param source the game started
 	 */
-	public GameStartEvent(Game source) { game = source; }
+	public GameStartEvent(Game source) {
+		game = source;
+	}
 
 	@Override
 	public Game getData() { return game; }

src/dev/kske/chess/event/Subscriber.java

@@ -19,7 +19,8 @@ public interface Subscriber {
 	/**
 	 * Consumes an event dispatched by an event bus.
 	 *
-	 * @param event The event dispatched by the event bus, only of supported type
+	 * @param event The event dispatched by the event bus, only of supported
+	 *              type
 	 */
 	void handle(Event<?> event);
 

src/dev/kske/chess/game/Game.java

@@ -37,7 +37,8 @@ public class Game {
 	/**
 	 * Initializes game with a new {@link Board}.
 	 *
-	 * @param boardPane the board pane which will display the newly created board
+	 * @param boardPane the board pane which will display the newly created
+	 *                  board
 	 * @param whiteName the name of the player controlling the white pieces
 	 * @param blackName the name of the player controlling the black pieces
 	 */
@@ -49,12 +50,15 @@ public class Game {
 	/**
 	 * Initializes game with an existing {@link Board}.
 	 *
-	 * @param boardPane the board pane which will display the newly created board
+	 * @param boardPane the board pane which will display the newly created
+	 *                  board
 	 * @param whiteName the name of the player controlling the white pieces
 	 * @param blackName the name of the player controlling the black pieces
 	 * @param board     the board on which the game will be played
 	 */
-	public Game(BoardPane boardPane, String whiteName, String blackName, Board board) {
+	public Game(
+		BoardPane boardPane, String whiteName, String blackName, Board board
+	) {
 		this.board = board;
 		init(boardPane, whiteName, blackName);
 	}
@@ -74,9 +78,11 @@ public class Game {
 	/**
 	 * Initializes player subclass.
 	 *
-	 * @param name  the name of the player. {@code Natural Player} will initialize a
+	 * @param name  the name of the player. {@code Natural Player} will
+	 *              initialize a
 	 *              {@link NaturalPlayer}, {@code AI Player} will initialize an
-	 *              {@link AIPlayer}. Everything else will attempt to load an engine
+	 *              {@link AIPlayer}. Everything else will attempt to load an
+	 *              engine
 	 *              with that name
 	 * @param color the color of the player
 	 * @return the instantiated player or {@code null} if the name could not be
@@ -90,7 +96,8 @@ public class Game {
 				return new AIPlayer(this, color, 4, -10);
 			default:
 				for (EngineInfo info : EngineUtil.getEngineInfos())
-					if (info.name.equals(name)) return new UCIPlayer(this, color, info.path);
+					if (info.name.equals(name))
+						return new UCIPlayer(this, color, info.path);
 				System.err.println("Invalid player name: " + name);
 				return null;
 		}
@@ -98,14 +105,18 @@ public class Game {
 
 	/**
 	 * Should be called once a player makes a move. Depending on the legality of
-	 * that move and the state of the game another move might be requested from one
+	 * that move and the state of the game another move might be requested from
+	 * one
 	 * of the players.
 	 *
 	 * @param player the player who generated the move
 	 * @param move   the generated move
 	 */
 	public synchronized void onMove(Player player, Move move) {
-		if (board.getPos(move).getColor() == player.color && board.attemptMove(move)) {
+		if (
+			board.getPos(move).getColor() == player.color
+				&& board.attemptMove(move)
+		) {
 
 			// Redraw
 			boardComponent.repaint();
@@ -114,25 +125,33 @@ public class Game {
 			// Run garbage collection
 			System.gc();
 
-			BoardState boardState = board.getState(board.getDest(move).getColor().opposite());
+			BoardState boardState
+				= board.getState(board.getDest(move).getColor().opposite());
 			EventBus.getInstance().dispatch(new MoveEvent(move, boardState));
 			switch (boardState) {
 				case CHECKMATE:
 				case STALEMATE:
-					String result = String.format("%s in %s!%n", player.color.opposite(), boardState);
+					String result = String.format(
+						"%s in %s!%n",
+						player.color.opposite(),
+						boardState
+					);
 					System.out.print(result);
 					JOptionPane.showMessageDialog(boardComponent, result);
 					break;
 				case CHECK:
-					System.out.printf("%s in check!%n", player.color.opposite());
+					System.out
+						.printf("%s in check!%n", player.color.opposite());
 				default:
 					players.get(board.getLog().getActiveColor()).requestMove();
 			}
-		} else player.requestMove();
+		} else
+			player.requestMove();
 	}
 
 	/**
-	 * Starts the game by requesting a move from the player of the currently active
+	 * Starts the game by requesting a move from the player of the currently
+	 * active
 	 * color.
 	 */
 	public synchronized void start() {
@@ -141,7 +160,8 @@ public class Game {
 	}
 
 	/**
-	 * Cancels move calculations, initializes the default position and clears the
+	 * Cancels move calculations, initializes the default position and clears
+	 * the
 	 * {@link OverlayComponent}.
 	 */
 	public synchronized void reset() {
@@ -155,7 +175,9 @@ public class Game {
 	/**
 	 * Stops the game by disconnecting its players from the UI.
 	 */
-	public synchronized void stop() { players.values().forEach(Player::disconnect); }
+	public synchronized void stop() {
+		players.values().forEach(Player::disconnect);
+	}
 
 	/**
 	 * Assigns the players their opposite colors.

src/dev/kske/chess/game/NaturalPlayer.java

@@ -39,10 +39,13 @@ public class NaturalPlayer extends Player implements MouseListener {
 	 *
 	 * @param game             the game in which this player will be used
 	 * @param color            the piece color this player will control
-	 * @param overlayComponent the overlay component that will be used to display
+	 * @param overlayComponent the overlay component that will be used to
+	 *                         display
 	 *                         possible moves to the user
 	 */
-	public NaturalPlayer(Game game, Color color, OverlayComponent overlayComponent) {
+	public NaturalPlayer(
+		Game game, Color color, OverlayComponent overlayComponent
+	) {
 		super(game, color);
 		this.overlayComponent = overlayComponent;
 		name = "Player";
@@ -52,41 +55,58 @@ public class NaturalPlayer extends Player implements MouseListener {
 	}
 
 	@Override
-	public void requestMove() { moveRequested = true; }
+	public void requestMove() {
+		moveRequested = true;
+	}
 
 	@Override
-	public void cancelMove() { moveRequested = false; }
+	public void cancelMove() {
+		moveRequested = false;
+	}
 
 	@Override
-	public void disconnect() { overlayComponent.removeMouseListener(this); }
+	public void disconnect() {
+		overlayComponent.removeMouseListener(this);
+	}
 
 	@Override
 	public void mousePressed(MouseEvent evt) {
-		if (!moveRequested) return;
+		if (!moveRequested)
+			return;
 		if (selectedPiece == null) {
 
 			// Get selected Piece
-			final Position pos = new Position(evt.getPoint().x / overlayComponent.getTileSize(), evt.getPoint().y / overlayComponent.getTileSize());
+			final Position pos = new Position(
+				evt.getPoint().x / overlayComponent.getTileSize(),
+				evt.getPoint().y / overlayComponent.getTileSize()
+			);
 			selectedPiece = board.get(pos);
 
 			// Check if a piece was selected
-			if (selectedPiece != null) {
+			if (selectedPiece != null)
-
 				// Discard selection if the piece has the wrong color
-				if (selectedPiece.getColor() == color.opposite()) selectedPiece = null;
+				if (selectedPiece.getColor() == color.opposite())
+					selectedPiece = null;
 				else {
 
-					// Generate all moves possible with the selected piece and display their
+					// Generate all moves possible with the selected piece and
+					// display their
 					// destinations
 					possibleMoves = selectedPiece.getMoves(pos);
-					overlayComponent.displayDots(possibleMoves.stream().map(move -> move.getDest()).collect(Collectors.toList()));
+					overlayComponent.displayDots(
-				}
+						possibleMoves.stream().map(Move::getDest).collect(Collectors.toList())
+					);
 				}
 		} else {
-			Position dest = new Position(evt.getPoint().x / overlayComponent.getTileSize(), evt.getPoint().y / overlayComponent.getTileSize());
+			Position dest = new Position(
+				evt.getPoint().x / overlayComponent.getTileSize(),
+				evt.getPoint().y / overlayComponent.getTileSize()
+			);
 
 			// Get all moves leading to the specified destination
-			List<Move> selectedMoves = possibleMoves.stream().filter(m -> m.getDest().equals(dest)).collect(Collectors.toList());
+			List<Move> selectedMoves = possibleMoves.stream()
+				.filter(m -> m.getDest().equals(dest))
+				.collect(Collectors.toList());
 			if (!selectedMoves.isEmpty()) {
 				Move move;
 
@@ -94,17 +114,22 @@ public class NaturalPlayer extends Player implements MouseListener {
 				if (selectedMoves.size() > 1) {
 
 					// Let the user select a promotion piece
-					JComboBox<Move> comboBox = new JComboBox<>(selectedMoves.toArray(new Move[0]));
+					JComboBox<Move> comboBox
-					JOptionPane.showMessageDialog(overlayComponent, comboBox, "Select a promotion", JOptionPane.QUESTION_MESSAGE);
+						= new JComboBox<>(selectedMoves.toArray(new Move[0]));
+					JOptionPane.showMessageDialog(
+						overlayComponent,
+						comboBox,
+						"Select a promotion",
+						JOptionPane.QUESTION_MESSAGE
+					);
 
 					move = selectedMoves.get(comboBox.getSelectedIndex());
-				} else move = selectedMoves.get(0);
+				} else
-
+					move = selectedMoves.get(0);
 				// Tell the game to execute the move
 				moveRequested = false;
 				game.onMove(NaturalPlayer.this, move);
 			}
-
 			// Discard the selection
 			overlayComponent.clearDots();
 			selectedPiece = null;

src/dev/kske/chess/game/UCIPlayer.java

@@ -49,13 +49,19 @@ public class UCIPlayer extends Player implements UCIListener {
 	}
 
 	@Override
-	public void cancelMove() { handle.stop(); }
+	public void cancelMove() {
+		handle.stop();
+	}
 
 	@Override
-	public void disconnect() { handle.quit(); }
+	public void disconnect() {
+		handle.quit();
+	}
 
 	@Override
-	public void onIdName(String name) { this.name = name; }
+	public void onIdName(String name) {
+		this.name = name;
+	}
 
 	@Override
 	public void onBestMove(String move) {
@@ -64,23 +70,37 @@ public class UCIPlayer extends Player implements UCIListener {
 	}
 
 	@Override
-	public void onBestMove(String move, Move ponderMove) { onBestMove(move); }
+	public void onBestMove(String move, Move ponderMove) {
-
+		onBestMove(move);
-	@Override
+	}
-	public void onCopyProtectionChecking() { System.out.println("Copy protection checking..."); }
+
-
+	@Override
-	@Override
+	public void onCopyProtectionChecking() {
-	public void onCopyProtectionOk() { System.out.println("Copy protection ok"); }
+		System.out.println("Copy protection checking...");
-
+	}
-	@Override
+
-	public void onCopyProtectionError() { System.err.println("Copy protection error!"); }
+	@Override
-
+	public void onCopyProtectionOk() {
-	@Override
+		System.out.println("Copy protection ok");
-	public void onRegistrationChecking() { System.out.println("Registration checking..."); }
+	}
-
+
-	@Override
+	@Override
-	public void onRegistrationOk() { System.out.println("Registration ok"); }
+	public void onCopyProtectionError() {
-
+		System.err.println("Copy protection error!");
-	@Override
+	}
-	public void onRegistrationError() { System.err.println("Registration error!"); }
+
+	@Override
+	public void onRegistrationChecking() {
+		System.out.println("Registration checking...");
+	}
+
+	@Override
+	public void onRegistrationOk() {
+		System.out.println("Registration ok");
+	}
+
+	@Override
+	public void onRegistrationError() {
+		System.err.println("Registration error!");
+	}
 }

src/dev/kske/chess/game/ai/AIPlayer.java

@@ -39,7 +39,9 @@ public class AIPlayer extends Player {
 	 *                           reached to continue searching the children of a
 	 *                           move
 	 */
-	public AIPlayer(Game game, Color color, int maxDepth, int alphaBetaThreshold) {
+	public AIPlayer(
+		Game game, Color color, int maxDepth, int alphaBetaThreshold
+	) {
 		super(game, color);
 		name = "AIPlayer";
 		availableProcessors = Runtime.getRuntime().availableProcessors();
@@ -51,7 +53,8 @@ public class AIPlayer extends Player {
 	public void requestMove() {
 		exitRequested = false;
 
-		// Define some processing threads, split the available moves between them and
+		// Define some processing threads, split the available moves between
+		// them and
 		// retrieve the result after their execution.
 		new Thread(() -> {
 
@@ -59,24 +62,28 @@ public class AIPlayer extends Player {
 			Board board = new Board(this.board, false);
 			List<Move> moves = board.getMoves(color);
 
-			// Define move processors and split the available moves between them.
+			// Define move processors and split the available moves between
+			// them.
 			int numThreads = Math.min(moves.size(), availableProcessors);
 			List<MoveProcessor> processors = new ArrayList<>(numThreads);
 			final int step = moves.size() / numThreads;
 			int rem = moves.size() % numThreads;
 			int beginIndex = 0, endIndex = 0;
 			for (int i = 0; i < numThreads; i++) {
-				if (rem-- > 0) ++endIndex;
+				if (rem-- > 0)
+					++endIndex;
 				endIndex += step;
-				processors.add(new MoveProcessor(new Board(board, false), moves.subList(beginIndex, endIndex), color, maxDepth, alphaBetaThreshold));
+				processors
+					.add(new MoveProcessor(new Board(board, false), moves.subList(beginIndex, endIndex), color, maxDepth, alphaBetaThreshold));
 				beginIndex = endIndex;
 			}
-
+			// Execute processors, get the best result and pass it back to the
-			// Execute processors, get the best result and pass it back to the Game class
+			// Game class
 			executor = Executors.newFixedThreadPool(numThreads);
 			List<ProcessingResult> results = new ArrayList<>(numThreads);
 			try {
-				List<Future<ProcessingResult>> futures = executor.invokeAll(processors);
+				List<Future<ProcessingResult>> futures
+					= executor.invokeAll(processors);
 				for (Future<ProcessingResult> f : futures)
 					results.add(f.get());
 			} catch (InterruptedException | ExecutionException ex) {
@@ -85,7 +92,9 @@ public class AIPlayer extends Player {
 				executor.shutdown();
 			}
 			results.sort((r1, r2) -> Integer.compare(r2.score, r1.score));
-			if (!exitRequested) SwingUtilities.invokeLater(() -> game.onMove(this, results.get(0).move));
+			if (!exitRequested)
+				SwingUtilities
+					.invokeLater(() -> game.onMove(this, results.get(0).move));
 		}, "AIPlayer calculation setup").start();
 	}
 

src/dev/kske/chess/game/ai/MoveProcessor.java

@@ -32,34 +32,172 @@ public class MoveProcessor implements Callable<ProcessingResult> {
 
 	static {
 		positionScores = new HashMap<>();
-		positionScores.put(King.class,
+		positionScores.put(
-				new int[][] { new int[] { -3, -4, -4, -5, -5, -4, -4, -3 }, new int[] { -3, -4, -4, -5, -4, -4, -4, -3 },
+			King.class,
-						new int[] { -3, -4, -4, -5, -4, -4, -4, -3 }, new int[] { -3, -4, -4, -5, -4, -4, -4, -3 },
+			new int[][] {
-						new int[] { -2, -3, -3, -2, -2, -2, -2, -1 }, new int[] { -1, -2, -2, -2, -2, -2, -2, -1 },
+				new int[] {
-						new int[] { 2, 2, 0, 0, 0, 0, 2, 2 }, new int[] { 2, 3, 1, 0, 0, 1, 3, 2 } });
+					-3, -4, -4, -5, -5, -4, -4, -3
-		positionScores.put(Queen.class,
+				}, new int[] {
-				new int[][] { new int[] { -2, -1, -1, -1, -1, -1, -1, -2 }, new int[] { -1, 0, 0, 0, 0, 0, 0, -1 },
+					-3, -4, -4, -5, -4, -4, -4, -3
-						new int[] { -1, 0, 1, 1, 1, 1, 0, -1 }, new int[] { -1, 0, 1, 1, 1, 1, 0, -1 }, new int[] { 0, 0, 1, 1, 1, 1, 0, -1 },
+				},
-						new int[] { -1, 1, 1, 1, 1, 1, 0, -1 }, new int[] { -1, 0, 1, 0, 0, 0, 0, -1 },
+				new int[] {
-						new int[] { -2, -1, -1, -1, -1, -1, -1, -2 } });
+					-3, -4, -4, -5, -4, -4, -4, -3
-		positionScores.put(Rook.class,
+				},
-				new int[][] { new int[] { 0, 0, 0, 0, 0, 0, 0, 0 }, new int[] { 1, 1, 1, 1, 1, 1, 1, 1 }, new int[] { -1, 0, 0, 0, 0, 0, 0, -1 },
+				new int[] {
-						new int[] { -1, 0, 0, 0, 0, 0, 0, -1 }, new int[] { -1, 0, 0, 0, 0, 0, 0, -1 }, new int[] { -1, 0, 0, 0, 0, 0, 0, -1 },
+					-3, -4, -4, -5, -4, -4, -4, -3
-						new int[] { -1, 0, 0, 0, 0, 0, 0, -1 }, new int[] { 0, 0, 0, 1, 1, 0, 0, 0 } });
+				},
-		positionScores.put(Knight.class,
+				new int[] {
-				new int[][] { new int[] { -5, -4, -3, -3, -3, -3, -4, -5 }, new int[] { -4, -2, 0, 0, 0, 0, -2, -4 },
+					-2, -3, -3, -2, -2, -2, -2, -1
-						new int[] { -3, 0, 1, 2, 2, 1, 0, -3 }, new int[] { -3, 1, 2, 2, 2, 2, 1, -3 }, new int[] { -3, 0, 2, 2, 2, 2, 0, -1 },
+				},
-						new int[] { -3, 1, 1, 2, 2, 1, 1, -3 }, new int[] { -4, -2, 0, 1, 1, 0, -2, -4 },
+				new int[] {
-						new int[] { -5, -4, -3, -3, -3, -3, -4, -5 } });
+					-1, -2, -2, -2, -2, -2, -2, -1
-		positionScores.put(Bishop.class,
+				},
-				new int[][] { new int[] { -2, -1, -1, -1, -1, -1, -1, 2 }, new int[] { -1, 0, 0, 0, 0, 0, 0, -1 },
+				new int[] {
-						new int[] { -1, 0, 1, 1, 1, 1, 0, -1 }, new int[] { -1, 1, 1, 1, 1, 1, 1, -1 }, new int[] { -1, 0, 1, 1, 1, 1, 0, -1 },
+					2, 2, 0, 0, 0, 0, 2, 2
-						new int[] { -1, 1, 1, 1, 1, 1, 1, -1 }, new int[] { -1, 1, 0, 0, 0, 0, 1, -1 },
+				},
-						new int[] { -2, -1, -1, -1, -1, -1, -1, -2 } });
+				new int[] {
-		positionScores.put(Pawn.class,
+					2, 3, 1, 0, 0, 1, 3, 2
-				new int[][] { new int[] { 0, 0, 0, 0, 0, 0, 0, 0 }, new int[] { 5, 5, 5, 5, 5, 5, 5, 5 }, new int[] { 1, 1, 2, 3, 3, 2, 1, 1 },
+				}
-						new int[] { 0, 0, 1, 3, 3, 1, 0, 0 }, new int[] { 0, 0, 0, 2, 2, 0, 0, 0 }, new int[] { 0, 0, -1, 0, 0, -1, 0, 0 },
+			}
-						new int[] { 0, 1, 1, -2, -2, 1, 1, 0 }, new int[] { 0, 0, 0, 0, 0, 0, 0, 0 } });
+		);
+		positionScores.put(
+			Queen.class,
+			new int[][] {
+				new int[] {
+					-2, -1, -1, -1, -1, -1, -1, -2
+				}, new int[] {
+					-1, 0, 0, 0, 0, 0, 0, -1
+				},
+				new int[] {
+					-1, 0, 1, 1, 1, 1, 0, -1
+				},
+				new int[] {
+					-1, 0, 1, 1, 1, 1, 0, -1
+				},
+				new int[] {
+					0, 0, 1, 1, 1, 1, 0, -1
+				},
+				new int[] {
+					-1, 1, 1, 1, 1, 1, 0, -1
+				},
+				new int[] {
+					-1, 0, 1, 0, 0, 0, 0, -1
+				},
+				new int[] {
+					-2, -1, -1, -1, -1, -1, -1, -2
+				}
+			}
+		);
+		positionScores.put(
+			Rook.class,
+			new int[][] {
+				new int[] {
+					0, 0, 0, 0, 0, 0, 0, 0
+				}, new int[] {
+					1, 1, 1, 1, 1, 1, 1, 1
+				}, new int[] {
+					-1, 0, 0, 0, 0, 0, 0, -1
+				},
+				new int[] {
+					-1, 0, 0, 0, 0, 0, 0, -1
+				},
+				new int[] {
+					-1, 0, 0, 0, 0, 0, 0, -1
+				},
+				new int[] {
+					-1, 0, 0, 0, 0, 0, 0, -1
+				},
+				new int[] {
+					-1, 0, 0, 0, 0, 0, 0, -1
+				},
+				new int[] {
+					0, 0, 0, 1, 1, 0, 0, 0
+				}
+			}
+		);
+		positionScores.put(
+			Knight.class,
+			new int[][] {
+				new int[] {
+					-5, -4, -3, -3, -3, -3, -4, -5
+				}, new int[] {
+					-4, -2, 0, 0, 0, 0, -2, -4
+				},
+				new int[] {
+					-3, 0, 1, 2, 2, 1, 0, -3
+				},
+				new int[] {
+					-3, 1, 2, 2, 2, 2, 1, -3
+				},
+				new int[] {
+					-3, 0, 2, 2, 2, 2, 0, -1
+				},
+				new int[] {
+					-3, 1, 1, 2, 2, 1, 1, -3
+				},
+				new int[] {
+					-4, -2, 0, 1, 1, 0, -2, -4
+				},
+				new int[] {
+					-5, -4, -3, -3, -3, -3, -4, -5
+				}
+			}
+		);
+		positionScores.put(
+			Bishop.class,
+			new int[][] {
+				new int[] {
+					-2, -1, -1, -1, -1, -1, -1, 2
+				}, new int[] {
+					-1, 0, 0, 0, 0, 0, 0, -1
+				},
+				new int[] {
+					-1, 0, 1, 1, 1, 1, 0, -1
+				},
+				new int[] {
+					-1, 1, 1, 1, 1, 1, 1, -1
+				},
+				new int[] {
+					-1, 0, 1, 1, 1, 1, 0, -1
+				},
+				new int[] {
+					-1, 1, 1, 1, 1, 1, 1, -1
+				},
+				new int[] {
+					-1, 1, 0, 0, 0, 0, 1, -1
+				},
+				new int[] {
+					-2, -1, -1, -1, -1, -1, -1, -2
+				}
+			}
+		);
+		positionScores.put(
+			Pawn.class,
+			new int[][] {
+				new int[] {
+					0, 0, 0, 0, 0, 0, 0, 0
+				}, new int[] {
+					5, 5, 5, 5, 5, 5, 5, 5
+				}, new int[] {
+					1, 1, 2, 3, 3, 2, 1, 1
+				},
+				new int[] {
+					0, 0, 1, 3, 3, 1, 0, 0
+				},
+				new int[] {
+					0, 0, 0, 2, 2, 0, 0, 0
+				},
+				new int[] {
+					0, 0, -1, 0, 0, -1, 0, 0
+				},
+				new int[] {
+					0, 1, 1, -2, -2, 1, 1, 0
+				},
+				new int[] {
+					0, 0, 0, 0, 0, 0, 0, 0
+				}
+			}
+		);
 	}
 
 	/**
@@ -69,10 +207,14 @@ public class MoveProcessor implements Callable<ProcessingResult> {
 	 * @param rootMoves          the moves on which the search is based
 	 * @param color              the color for which to search
 	 * @param maxDepth           the maximal recursion depth to search to
-	 * @param alphaBetaThreshold the threshold necessary to continue a search for a
+	 * @param alphaBetaThreshold the threshold necessary to continue a search
+	 *                           for a
 	 *                           specific move
 	 */
-	public MoveProcessor(Board board, List<Move> rootMoves, Color color, int maxDepth, int alphaBetaThreshold) {
+	public MoveProcessor(
+		Board board, List<Move> rootMoves, Color color, int maxDepth,
+		int alphaBetaThreshold
+	) {
 		this.board = board;
 		this.rootMoves = rootMoves;
 		this.color = color;
@@ -95,13 +237,18 @@ public class MoveProcessor implements Callable<ProcessingResult> {
 			int valueChange = teamValue - enemyValue;
 
 			if (depth < maxDepth && valueChange >= alphaBetaThreshold)
-				valueChange -= miniMax(board, board.getMoves(color.opposite()), color.opposite(), depth + 1);
+				valueChange -= miniMax(
+					board,
+					board.getMoves(color.opposite()),
+					color.opposite(),
+					depth + 1
+				);
 
 			if (valueChange > bestValue) {
 				bestValue = valueChange;
-				if (depth == 0) bestMove = move;
+				if (depth == 0)
+					bestMove = move;
 			}
-
 			board.revert();
 		}
 		return bestValue;
@@ -118,10 +265,18 @@ public class MoveProcessor implements Callable<ProcessingResult> {
 		int score = 0;
 		for (int i = 0; i < 8; i++)
 			for (int j = 0; j < 8; j++)
-				if (board.getBoardArr()[i][j] != null && board.getBoardArr()[i][j].getColor() == color) {
+				if (
+					board.getBoardArr()[i][j] != null
+						&& board.getBoardArr()[i][j].getColor() == color
+				) {
 					score += board.getBoardArr()[i][j].getValue();
-					if (positionScores.containsKey(board.getBoardArr()[i][j].getClass()))
+					if (
-						score += positionScores.get(board.getBoardArr()[i][j].getClass())[i][color == Color.WHITE ? j : 7 - j];
+						positionScores
+							.containsKey(board.getBoardArr()[i][j].getClass())
+					)
+						score += positionScores.get(
+							board.getBoardArr()[i][j].getClass()
+						)[i][color == Color.WHITE ? j : 7 - j];
 				}
 		return score;
 	}

src/dev/kske/chess/game/ai/ProcessingResult.java

@@ -36,5 +36,8 @@ public class ProcessingResult {
 	}
 
 	@Override
-	public String toString() { return String.format("ProcessingResult[Move = %s,Score = %d]", move, score); }
+	public String toString() {
+		return String
+			.format("ProcessingResult[Move = %s,Score = %d]", move, score);
+	}
 }

src/dev/kske/chess/io/EngineUtil.java

@@ -40,10 +40,14 @@ public class EngineUtil {
 			handle.registerListener(new UCIListener() {
 
 				@Override
-				public void onIdName(String name) { info.name = name; }
+				public void onIdName(String name) {
+					info.name = name;
+				}
 
 				@Override
-				public void onIdAuthor(String author) { info.author = author; }
+				public void onIdAuthor(String author) {
+					info.author = author;
+				}
 
 				@Override
 				public void onUCIOk() {
@@ -60,17 +64,25 @@ public class EngineUtil {
 
 	@SuppressWarnings("unchecked")
 	private static void loadEngineInfos() {
-		try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(engineInfoFile))) {
+		try (
+			ObjectInputStream in
+				= new ObjectInputStream(new FileInputStream(engineInfoFile))
+		) {
 			Object obj = in.readObject();
-			if (obj instanceof ArrayList<?>) engineInfos = (ArrayList<EngineInfo>) obj;
+			if (obj instanceof ArrayList<?>)
-			else throw new IOException("Serialized object has the wrong class.");
+				engineInfos = (ArrayList<EngineInfo>) obj;
+			else
+				throw new IOException("Serialized object has the wrong class.");
 		} catch (ClassNotFoundException | IOException ex) {
 			engineInfos = new ArrayList<>();
 		}
 	}
 
 	private static void saveEngineInfos() {
-		try (ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(engineInfoFile))) {
+		try (
+			ObjectOutputStream out
+				= new ObjectOutputStream(new FileOutputStream(engineInfoFile))
+		) {
 			out.writeObject(engineInfos);
 		} catch (IOException ex) {
 			ex.printStackTrace();
@@ -112,10 +124,14 @@ public class EngineUtil {
 		 *
 		 * @param path the path of the engine executable
 		 */
-		public EngineInfo(String path) { this.path = path; }
+		public EngineInfo(String path) {
+			this.path = path;
+		}
 
 		@Override
-		public String toString() { return name + " by " + author + " at " + path; }
+		public String toString() {
+			return name + " by " + author + " at " + path;
+		}
 	}
 
 	/**

src/dev/kske/chess/io/TextureUtil.java

@@ -21,7 +21,8 @@ import dev.kske.chess.board.Piece;
  */
 public class TextureUtil {
 
-	private static Map<String, Image> textures = new HashMap<>(), scaledTextures = new HashMap<>();
+	private static Map<String, Image> textures = new HashMap<>(),
+		scaledTextures = new HashMap<>();
 
 	static {
 		loadPieceTextures();
@@ -37,7 +38,8 @@ public class TextureUtil {
 	 * @return The fitting texture
 	 */
 	public static Image getPieceTexture(Piece piece) {
-		String key = piece.getClass().getSimpleName().toLowerCase() + "_" + piece.getColor().toString().toLowerCase();
+		String key = piece.getClass().getSimpleName().toLowerCase() + "_"
+			+ piece.getColor().toString().toLowerCase();
 		return scaledTextures.get(key);
 	}
 
@@ -48,7 +50,9 @@ public class TextureUtil {
 	 */
 	public static void scalePieceTextures(int tileSize) {
 		scaledTextures.clear();
-		textures.forEach((key, img) -> scaledTextures.put(key, img.getScaledInstance(tileSize, tileSize, Image.SCALE_SMOOTH)));
+		textures.forEach(
+			(key, img) -> scaledTextures.put(key, img.getScaledInstance(tileSize, tileSize, Image.SCALE_SMOOTH))
+		);
 	}
 
 	/**
@@ -73,7 +77,8 @@ public class TextureUtil {
 	 */
 	private static void loadPieceTextures() {
 		Arrays
-			.asList("king_white",
+			.asList(
+				"king_white",
 				"king_black",
 				"queen_white",
 				"queen_black",
@@ -84,7 +89,10 @@ public class TextureUtil {
 				"bishop_white",
 				"bishop_black",
 				"pawn_white",
-					"pawn_black")
+				"pawn_black"
-			.forEach(name -> textures.put(name, loadImage("/pieces/" + name + ".png")));
+			)
+			.forEach(
+				name -> textures.put(name, loadImage("/pieces/" + name + ".png"))
+			);
 	}
 }

src/dev/kske/chess/pgn/PGNDatabase.java

@@ -29,7 +29,8 @@ public class PGNDatabase {
 	 * @throws FileNotFoundException if the specified file is not found
 	 * @throws ChessException        if an error occurs while parsing the file
 	 */
-	public void load(File pgnFile) throws FileNotFoundException, ChessException {
+	public void load(File pgnFile)
+		throws FileNotFoundException, ChessException {
 		try (Scanner sc = new Scanner(pgnFile)) {
 			while (sc.hasNext())
 				games.add(PGNGame.parse(sc));

src/dev/kske/chess/pgn/PGNGame.java

@@ -24,17 +24,22 @@ public class PGNGame {
 	private final Board board;
 
 	/**
-	 * Creates an instance of {@link PGNGame}. A new default {@link Board} will be
+	 * Creates an instance of {@link PGNGame}. A new default {@link Board} will
+	 * be
 	 * created.
 	 */
-	public PGNGame() { board = new Board(); }
+	public PGNGame() {
+		board = new Board();
+	}
 
 	/**
 	 * Creates an instance of {@link PGNGame}.
 	 *
 	 * @param board the board associated with the game
 	 */
-	public PGNGame(Board board) { this.board = board; }
+	public PGNGame(Board board) {
+		this.board = board;
+	}
 
 	/**
 	 * Parses a game in {@code PGN} format from a {@link Scanner} instance
@@ -48,17 +53,20 @@ public class PGNGame {
 
 		MatchResult matchResult;
 		Pattern tagPairPattern = Pattern.compile("\\[(\\w+) \"(.*)\"]"),
-				movePattern = Pattern.compile("\\d+\\.\\s+(?:(?:(\\S+)\\s+(\\S+))|(?:O-O-O)|(?:O-O))(?:\\+{0,2}|\\#)"),
+			movePattern = Pattern.compile(
+				"\\d+\\.\\s+(?:(?:(\\S+)\\s+(\\S+))|(?:O-O-O)|(?:O-O))(?:\\+{0,2}|\\#)"
+			),
 			nagPattern = Pattern.compile("(\\$\\d{1,3})*"), terminationMarkerPattern = Pattern.compile("1-0|0-1|1\\/2-1\\/2|\\*");
 
 		// Parse tag pairs
 		while (sc.findInLine(tagPairPattern) != null) {
 			matchResult = sc.match();
-			if (matchResult.groupCount() == 2) game.setTag(matchResult.group(1), matchResult.group(2));
+			if (matchResult.groupCount() == 2)
-			else break;
+				game.setTag(matchResult.group(1), matchResult.group(2));
+			else
+				break;
 			sc.nextLine();
 		}
-
 		// Parse movetext
 		while (true) {
 			// Skip NAG (Numeric Annotation Glyph)
@@ -68,16 +76,22 @@ public class PGNGame {
 
 			if (sc.findWithinHorizon(movePattern, 20) != null) {
 				matchResult = sc.match();
-				if (matchResult.groupCount() > 0) for (int i = 1; i < matchResult.groupCount() + 1; i++) {
+				if (matchResult.groupCount() > 0)
+					for (int i = 1; i < matchResult.groupCount() + 1; i++) {
 						game.board.move(matchResult.group(i));
-					System.out.println(game.getBoard().getLog().getLast().move.toLAN() + ": " + new FENString(game.board).toString());
+						System.out.println(
+							game.getBoard().getLog().getLast().move.toLAN()
+								+ ": " + new FENString(game.board).toString()
+						);
 					}
-				else break;
+				else
-			} else break;
+					break;
+			} else
+				break;
 		}
-
 		// Parse game termination marker
-		if (sc.findWithinHorizon(terminationMarkerPattern, 20) == null) System.err.println("Termination marker expected");
+		if (sc.findWithinHorizon(terminationMarkerPattern, 20) == null)
+			System.err.println("Termination marker expected");
 
 		return game;
 	}
@@ -95,7 +109,8 @@ public class PGNGame {
 		tagPairs.forEach((k, v) -> pw.printf("[%s \"%s\"]%n", k, v));
 
 		// Insert newline if tags were printed
-		if (!tagPairs.isEmpty()) pw.println();
+		if (!tagPairs.isEmpty())
+			pw.println();
 
 		if (!board.getLog().isEmpty()) {
 			// Collect SAN moves
@@ -106,7 +121,9 @@ public class PGNGame {
 				Move move = clone.getLog().getLast().move;
 				flag = clone.getLog().hasParent();
 				clone.revert();
-				String chunk = clone.getLog().getActiveColor() == Color.WHITE ? String.format(" %d. ", clone.getLog().getFullmoveNumber()) : " ";
+				String chunk = clone.getLog().getActiveColor() == Color.WHITE
+					? String.format(" %d. ", clone.getLog().getFullmoveNumber())
+					: " ";
 				chunk += move.toSAN(clone);
 				chunks.add(chunk);
 			}
@@ -115,12 +132,14 @@ public class PGNGame {
 			// Write movetext
 			String line = "";
 			for (String chunk : chunks)
-				if (line.length() + chunk.length() <= 80) line += chunk;
+				if (line.length() + chunk.length() <= 80)
+					line += chunk;
 				else {
 					pw.println(line);
 					line = chunk;
 				}
-			if (!line.isEmpty()) pw.println(line);
+			if (!line.isEmpty())
+				pw.println(line);
 		}
 		// Write game termination marker
 		pw.print(tagPairs.get("Result"));
@@ -130,13 +149,17 @@ public class PGNGame {
 	 * @param tagName the name of a game tag
 	 * @return the value of the game tag
 	 */
-	public String getTag(String tagName) { return tagPairs.get(tagName); }
+	public String getTag(String tagName) {
+		return tagPairs.get(tagName);
+	}
 
 	/**
 	 * @param tagName the name of a game tag
 	 * @return {@code true} if the tag is present
 	 */
-	public boolean hasTag(String tagName) { return tagPairs.containsKey(tagName); }
+	public boolean hasTag(String tagName) {
+		return tagPairs.containsKey(tagName);
+	}
 
 	/**
 	 * Sets a game tag.
@@ -144,7 +167,9 @@ public class PGNGame {
 	 * @param tagName  the name of the tag
 	 * @param tagValue the value of the tag
 	 */
-	public void setTag(String tagName, String tagValue) { tagPairs.put(tagName, tagValue); }
+	public void setTag(String tagName, String tagValue) {
+		tagPairs.put(tagName, tagValue);
+	}
 
 	/**
 	 * @return the board associated with this game

src/dev/kske/chess/uci/UCIHandle.java

@@ -22,7 +22,8 @@ public class UCIHandle {
 	private final UCIReceiver receiver;
 
 	/**
-	 * Creates an instance of {@link UCIHandle}. The engine process is started and
+	 * Creates an instance of {@link UCIHandle}. The engine process is started
+	 * and
 	 * passed to a new {@link UCIReceiver}.
 	 *
 	 * @param enginePath the path to the engine executable
@@ -45,26 +46,35 @@ public class UCIHandle {
 	/**
 	 * Tells the engine to use UCI.
 	 */
-	public void uci() { out.println("uci"); }
+	public void uci() {
+		out.println("uci");
+	}
 
 	/**
 	 * Switches the debug mode of the engine on or off.
 	 *
-	 * @param debug Enables debugging if set to {@code true}, disables it otherwise
+	 * @param debug Enables debugging if set to {@code true}, disables it
+	 *              otherwise
 	 */
-	public void debug(boolean debug) { out.println("debug " + (debug ? "on" : "off")); }
+	public void debug(boolean debug) {
+		out.println("debug " + (debug ? "on" : "off"));
+	}
 
 	/**
 	 * Synchronized the engine with the GUI
 	 */
-	public void isready() { out.println("isready"); }
+	public void isready() {
+		out.println("isready");
+	}
 
 	/**
 	 * Signifies a button press to the engine.
 	 *
 	 * @param name The name of the button
 	 */
-	public void setOption(String name) { out.println("setoption name " + name); }
+	public void setOption(String name) {
+		out.println("setoption name " + name);
+	}
 
 	/**
 	 * Changes an internal parameter of the engine.
@@ -72,7 +82,9 @@ public class UCIHandle {
 	 * @param name  The name of the parameter
 	 * @param value The value of the parameter
 	 */
-	public void setOption(String name, String value) { out.printf("setoption name %s value %s%n", name, value); }
+	public void setOption(String name, String value) {
+		out.printf("setoption name %s value %s%n", name, value);
+	}
 
 	/**
 	 * Registers the engine
@@ -80,29 +92,39 @@ public class UCIHandle {
 	 * @param name The name the engine should be registered with
 	 * @param code The code the engine should be registered with
 	 */
-	public void register(String name, String code) { out.printf("register %s %s%n", name, code); }
+	public void register(String name, String code) {
+		out.printf("register %s %s%n", name, code);
+	}
 
 	/**
 	 * Tells the engine to postpone the registration.
 	 */
-	public void registerLater() { out.println("register later"); }
+	public void registerLater() {
+		out.println("register later");
+	}
 
 	/**
 	 * Tells the engine that the next search will be from a different game.
 	 */
-	public void uciNewGame() { out.println("ucinewgame"); }
+	public void uciNewGame() {
+		out.println("ucinewgame");
+	}
 
 	/**
 	 * Sets up the position in its initial state.
 	 */
-	public void positionStartpos() { out.println("position startpos"); }
+	public void positionStartpos() {
+		out.println("position startpos");
+	}
 
 	/**
 	 * Sets up the position described in the FEN string.
 	 *
 	 * @param fen FEN representation of the current board
 	 */
-	public void positionFEN(String fen) { out.println("position fen " + fen); }
+	public void positionFEN(String fen) {
+		out.println("position fen " + fen);
+	}
 
 	/**
 	 * Sets up the position described by a list of moves.
@@ -119,12 +141,16 @@ public class UCIHandle {
 	/**
 	 * Starts calculating on the current position.
 	 */
-	public void go() { out.println("go"); }
+	public void go() {
+		out.println("go");
+	}
 
 	/**
 	 * Starts calculating on the current position.
-	 * This command has multiple optional parameters which will only be included in
+	 * This command has multiple optional parameters which will only be included
-	 * the call if they are not {@code null}, greater than zero or {@code true} for
+	 * in
+	 * the call if they are not {@code null}, greater than zero or {@code true}
+	 * for
 	 * {@code searchMoves}, all integer parameters and all boolean parameters
 	 * respectively.
 	 *
@@ -141,8 +167,11 @@ public class UCIHandle {
 	 * @param moveTime    the exact search time
 	 * @param infinite    search until the {@code stop} command
 	 */
-	public void go(List<Move> searchMoves, boolean ponder, int wTime, int bTime, int wInc, int bInc, int movesToGo, int depth, int nodes, int mate,
+	public void go(
-			int moveTime, boolean infinite) {
+		List<Move> searchMoves, boolean ponder, int wTime, int bTime, int wInc,
+		int bInc, int movesToGo, int depth, int nodes, int mate,
+		int moveTime, boolean infinite
+	) {
 		StringJoiner joiner = new StringJoiner(" ");
 		joiner.add("go");
 
@@ -150,7 +179,8 @@ public class UCIHandle {
 			joiner.add("searchmoves");
 			searchMoves.forEach(m -> joiner.add(m.toLAN()));
 		}
-		if (ponder) joiner.add("ponder");
+		if (ponder)
+			joiner.add("ponder");
 		if (wTime > 0) {
 			joiner.add("wtime");
 			joiner.add(String.valueOf(wTime));
@@ -187,29 +217,38 @@ public class UCIHandle {
 			joiner.add("movetime");
 			joiner.add(String.valueOf(moveTime));
 		}
-		if (infinite) joiner.add("infinite");
+		if (infinite)
+			joiner.add("infinite");
 		out.println(joiner);
 	}
 
 	/**
 	 * Stops calculation as soon as possible.
 	 */
-	public void stop() { out.println("stop"); }
+	public void stop() {
+		out.println("stop");
+	}
 
 	/**
 	 * Tells the engine that the user has played the expected move.
 	 */
-	public void ponderHit() { out.println("ponderhit"); }
+	public void ponderHit() {
+		out.println("ponderhit");
+	}
 
 	/**
 	 * Quits the engine process as soon as possible.
 	 */
-	public void quit() { out.println("quit"); }
+	public void quit() {
+		out.println("quit");
+	}
 
 	/**
 	 * Registers a UCI listener.
 	 *
 	 * @param listener the UCI listener to register
 	 */
-	public void registerListener(UCIListener listener) { receiver.registerListener(listener); }
+	public void registerListener(UCIListener listener) {
+		receiver.registerListener(listener);
+	}
 }

src/dev/kske/chess/uci/UCIInfo.java

@@ -14,7 +14,8 @@ import dev.kske.chess.board.Move;
  */
 public class UCIInfo {
 
-	private int							depth, seldepth, time, nodes, multipv, currmovenumber, hashfull, nps, tbhits, sbhits, cpuload, cpunr;
+	private int depth, seldepth, time, nodes, multipv, currmovenumber, hashfull,
+		nps, tbhits, sbhits, cpuload, cpunr;
 	private List<Move> pv = new ArrayList<>(), refutation = new ArrayList<>();
 	private Map<Integer, List<Move>> currline = new HashMap<>();
 	private Move currmove;
@@ -25,7 +26,8 @@ public class UCIInfo {
 	 * Contains every parameter for the UCI info command. Helpful for parsing
 	 * multi-value parameters.
 	 */
-	private static final List<String> params = Arrays.asList("depth",
+	private static final List<String> params = Arrays.asList(
+		"depth",
 		"seldepth",
 		"time",
 		"nodes",
@@ -41,10 +43,12 @@ public class UCIInfo {
 		"score",
 		"pv",
 		"refutation",
-			"currline");
+		"currline"
+	);
 
 	/**
-	 * Creates an instance of {@link UCIInfo} by parsing the argument list of a UCI
+	 * Creates an instance of {@link UCIInfo} by parsing the argument list of a
+	 * UCI
 	 * info command generated from an engine.
 	 *
 	 * @param line the UCI info argument list to parse
@@ -95,7 +99,8 @@ public class UCIInfo {
 					displayString = tokens[++i];
 					break;
 				case "score":
-					score = new Score(line.substring(line.indexOf("score") + tokens[i].length() + 1));
+					score
+						= new Score(line.substring(line.indexOf("score") + tokens[i].length() + 1));
 					i += score.getLength() + 1;
 					break;
 				case "pv":
@@ -108,15 +113,22 @@ public class UCIInfo {
 					break;
 				case "currline":
 					// A CPU number of 1 can be omitted
-					final Integer cpu = tokens[i].matches("\\d+") ? Integer.parseInt(tokens[i++]) : 1;
+					final Integer cpu = tokens[i].matches("\\d+")
+						? Integer.parseInt(tokens[i++])
+						: 1;
 					final ArrayList<Move> moves = new ArrayList<>();
 					while (i < tokens.length && !params.contains(tokens[i]))
 						moves.add(Move.fromLAN(tokens[i++]));
 					currline.put(cpu, moves);
-					System.err.println("The parameter 'currline' for command 'info' is not yet implemented");
+					System.err.println(
+						"The parameter 'currline' for command 'info' is not yet implemented"
+					);
 					break;
 				default:
-					System.err.printf("Unknown parameter '%s' for command 'info' found!%n", tokens[i]);
+					System.err.printf(
+						"Unknown parameter '%s' for command 'info' found!%n",
+						tokens[i]
+					);
 			}
 	}
 
@@ -166,7 +178,8 @@ public class UCIInfo {
 			String[] tokens = line.split(" ");
 			int i = 0;
 			for (; i < tokens.length; i++) {
-				if (params.contains(tokens[i])) break;
+				if (params.contains(tokens[i]))
+					break;
 				switch (tokens[i]) {
 					case "cp":
 						cp = Integer.parseInt(tokens[++i]);
@@ -181,7 +194,10 @@ public class UCIInfo {
 						upperbound = true;
 						break;
 					default:
-						System.err.printf("Unknown parameter '%s' for command 'score' found!%n", tokens[i]);
+						System.err.printf(
+							"Unknown parameter '%s' for command 'score' found!%n",
+							tokens[i]
+						);
 				}
 			}
 			length = i + 1;

src/dev/kske/chess/uci/UCIOption.java

@@ -1,9 +1,6 @@
 package dev.kske.chess.uci;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Arrays;
-import java.util.List;
-import java.util.StringJoiner;
 
 /**
  * Project: <strong>Chess</strong><br>
@@ -27,7 +24,10 @@ public class UCIOption {
 			switch (tokens[i]) {
 				case "name":
 					StringJoiner nameJoiner = new StringJoiner(" ");
-					while (!Arrays.asList("type", "default", "min", "max", "var").contains(tokens[i + 1]))
+					while (
+						!Arrays.asList("type", "default", "min", "max", "var")
+							.contains(tokens[i + 1])
+					)
 						nameJoiner.add(tokens[++i]);
 					name = nameJoiner.toString();
 					break;
@@ -48,7 +48,10 @@ public class UCIOption {
 					varList.add(tokens[++i]);
 					break;
 				default:
-					System.err.printf("Unknown parameter '%s' for command 'option' found!%n", tokens[i]);
+					System.err.printf(
+						"Unknown parameter '%s' for command 'option' found!%n",
+						tokens[i]
+					);
 			}
 	}
 
@@ -64,7 +67,7 @@ public class UCIOption {
 
 	public List<String> getVarList() { return varList; }
 
-	public static enum GUIType {
+	public enum GUIType {
 		CHECK, SPIN, COMBO, BUTTON, STRING
 	}
 }

src/dev/kske/chess/uci/UCIReceiver.java

@@ -38,7 +38,8 @@ public class UCIReceiver implements Runnable {
 		String line;
 		while (!Thread.currentThread().isInterrupted())
 			try {
-				if ((line = in.readLine()) != null && !line.isEmpty()) parse(line);
+				if ((line = in.readLine()) != null && !line.isEmpty())
+					parse(line);
 			} catch (IndexOutOfBoundsException ex) {
 				System.err.println("Too few arguments were provided!");
 				ex.printStackTrace();
@@ -49,7 +50,8 @@ public class UCIReceiver implements Runnable {
 
 	private void parse(String line) {
 		int spaceIndex = line.indexOf(' ');
-		String	command		= spaceIndex == -1 ? line : line.substring(0, spaceIndex);
+		String command
+			= spaceIndex == -1 ? line : line.substring(0, spaceIndex);
 		switch (command) {
 			case "id":
 				parseId(line.substring(command.length() + 1));
@@ -91,7 +93,10 @@ public class UCIReceiver implements Runnable {
 				listeners.forEach(l -> l.onIdAuthor(arg));
 				break;
 			default:
-				System.err.printf("Unknown parameter '%s' for command 'id' found!%n", param);
+				System.err.printf(
+					"Unknown parameter '%s' for command 'id' found!%n",
+					param
+				);
 		}
 	}
 
@@ -100,8 +105,10 @@ public class UCIReceiver implements Runnable {
 		String move = tokens[0];
 
 		// Ponder move
-		if (tokens.length == 3) listeners.forEach(l -> l.onBestMove(move, Move.fromLAN(tokens[2])));
+		if (tokens.length == 3)
-		else listeners.forEach(l -> l.onBestMove(move));
+			listeners.forEach(l -> l.onBestMove(move, Move.fromLAN(tokens[2])));
+		else
+			listeners.forEach(l -> l.onBestMove(move));
 	}
 
 	private void parseCopyProtection(String line) {
@@ -116,7 +123,10 @@ public class UCIReceiver implements Runnable {
 				listeners.forEach(UCIListener::onCopyProtectionError);
 				break;
 			default:
-				System.err.printf("Unknown parameter '%s' for command 'copyprotection' found!%n", line);
+				System.err.printf(
+					"Unknown parameter '%s' for command 'copyprotection' found!%n",
+					line
+				);
 		}
 	}
 
@@ -132,18 +142,27 @@ public class UCIReceiver implements Runnable {
 				listeners.forEach(UCIListener::onRegistrationError);
 				break;
 			default:
-				System.err.printf("Unknown parameter '%s' for command 'registration' found!%n", line);
+				System.err.printf(
+					"Unknown parameter '%s' for command 'registration' found!%n",
+					line
+				);
 		}
 	}
 
-	private void parseInfo(String line) { listeners.forEach(l -> l.onInfo(new UCIInfo(line))); }
+	private void parseInfo(String line) {
+		listeners.forEach(l -> l.onInfo(new UCIInfo(line)));
+	}
 
-	private void parseOption(String line) { listeners.forEach(l -> l.onOption(new UCIOption((line)))); }
+	private void parseOption(String line) {
+		listeners.forEach(l -> l.onOption(new UCIOption(line)));
+	}
 
 	/**
 	 * Registers a UCI listener
 	 *
 	 * @param listener the UCI listener to register
 	 */
-	public void registerListener(UCIListener listener) { listeners.add(listener); }
+	public void registerListener(UCIListener listener) {
+		listeners.add(listener);
+	}
 }

src/dev/kske/chess/ui/BoardComponent.java

@@ -49,15 +49,25 @@ public class BoardComponent extends JComponent {
 		g.setColor(Color.white);
 		for (int i = 0; i < 8; i++)
 			for (int j = 0; j < 8; j++) {
-				if (j > 0) g.setColor(g.getColor().equals(Color.white) ? Color.lightGray : Color.white);
+				if (j > 0)
+					g.setColor(
+						g.getColor().equals(Color.white) ? Color.lightGray : Color.white
+					);
 				g.fillRect(tileSize * i, tileSize * j, tileSize, tileSize);
 			}
 
 		// Draw the pieces if a board is present
-		if (board != null) for (int i = 0; i < 8; i++)
+		if (board != null)
+			for (int i = 0; i < 8; i++)
 				for (int j = 0; j < 8; j++)
 					if (board.getBoardArr()[i][j] != null)
-					g.drawImage(TextureUtil.getPieceTexture(board.getBoardArr()[i][j]), i * tileSize, j * tileSize, this);
+						g.drawImage(
+							TextureUtil
+								.getPieceTexture(board.getBoardArr()[i][j]),
+							i * tileSize,
+							j * tileSize,
+							this
+						);
 	}
 
 	/**
@@ -66,7 +76,8 @@ public class BoardComponent extends JComponent {
 	public Board getBoard() { return board; }
 
 	/**
-	 * Sets the board rendered by this board component and repaints the component
+	 * Sets the board rendered by this board component and repaints the
+	 * component
 	 *
 	 * @param board the board rendered by this board component
 	 */

src/dev/kske/chess/ui/BoardPane.java

@@ -51,7 +51,9 @@ public class BoardPane extends JLayeredPane {
 	/**
 	 * @return overlay component contained inside this board pane
 	 */
-	public OverlayComponent getOverlayComponent() { return overlayComponent; }
+	public OverlayComponent getOverlayComponent() {
+		return overlayComponent;
+	}
 
 	/**
 	 * @return the size of an individual board tile in pixels

src/dev/kske/chess/ui/DialogUtil.java

@@ -28,7 +28,8 @@ public class DialogUtil {
 	/**
 	 * Saves the last accessed folder for loading and saving game files.
 	 */
-	private static Preferences preferences = Preferences.userNodeForPackage(DialogUtil.class);
+	private static Preferences preferences
+		= Preferences.userNodeForPackage(DialogUtil.class);
 
 	/**
 	 * Displays a parameterized file opening dialog.
@@ -37,7 +38,10 @@ public class DialogUtil {
 	 * @param action  the action executed with the selected files a its argument
 	 * @param filters the file extension filters passed to the dialog
 	 */
-	public static void showFileSelectionDialog(Component parent, Consumer<List<File>> action, Collection<FileNameExtensionFilter> filters) {
+	public static void showFileSelectionDialog(
+		Component parent, Consumer<List<File>> action,
+		Collection<FileNameExtensionFilter> filters
+	) {
 		JFileChooser fileChooser = createFileChooser(filters);
 		if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) {
 			action.accept(Arrays.asList(fileChooser.getSelectedFile()));
@@ -52,18 +56,29 @@ public class DialogUtil {
 	 * @param action  the action executed with the selected file a its argument
 	 * @param filters the file extension filters passed to the dialog
 	 */
-	public static void showFileSaveDialog(Component parent, Consumer<File> action, Collection<FileNameExtensionFilter> filters) {
+	public static void showFileSaveDialog(
+		Component parent, Consumer<File> action,
+		Collection<FileNameExtensionFilter> filters
+	) {
 		JFileChooser fileChooser = createFileChooser(filters);
 		if (fileChooser.showSaveDialog(parent) == JFileChooser.APPROVE_OPTION) {
-			action.accept(new File(fileChooser.getSelectedFile().getAbsolutePath() + "."
+			action.accept(
-					+ ((FileNameExtensionFilter) fileChooser.getFileFilter()).getExtensions()[0]));
+				new File(
+					fileChooser.getSelectedFile().getAbsolutePath() + "."
+						+ ((FileNameExtensionFilter) fileChooser
+							.getFileFilter()).getExtensions()[0]
+				)
+			);
 			preferences.put("path", fileChooser.getSelectedFile().getParent());
 		}
 	}
 
-	private static JFileChooser createFileChooser(Collection<FileNameExtensionFilter> filters) {
+	private static JFileChooser
+		createFileChooser(Collection<FileNameExtensionFilter> filters) {
 		JFileChooser fileChooser = new JFileChooser();
-		fileChooser.setCurrentDirectory(new File(preferences.get("path", System.getProperty("user.home"))));
+		fileChooser.setCurrentDirectory(
+			new File(preferences.get("path", System.getProperty("user.home")))
+		);
 		fileChooser.setAcceptAllFileFilterUsed(false);
 		filters.forEach(fileChooser::addChoosableFileFilter);
 		return fileChooser;
@@ -73,16 +88,21 @@ public class DialogUtil {
 	 * Displays a dialog in which the user can select the player types for a
 	 * game.<br>
 	 * <br>
-	 * The dialog will always display {@code Natural Player} and {@code AIPlayer},
+	 * The dialog will always display {@code Natural Player} and
+	 * {@code AIPlayer},
 	 * as well as all engine names stored by {@link EngineUtil}.
 	 *
 	 * @param parent the parent component of the dialog
-	 * @param action the action executed with the two selected names as arguments
+	 * @param action the action executed with the two selected names as
+	 *               arguments
 	 */
-	public static void showGameConfigurationDialog(Component parent, BiConsumer<String, String> action) {
+	public static void showGameConfigurationDialog(
+		Component parent, BiConsumer<String, String> action
+	) {
 		JPanel dialogPanel = new JPanel();
 
-		List<String> options = new ArrayList<>(Arrays.asList("Natural Player", "AI Player"));
+		List<String> options
+			= new ArrayList<>(Arrays.asList("Natural Player", "AI Player"));
 		EngineUtil.getEngineInfos().forEach(info -> options.add(info.name));
 
 		JLabel lblWhite = new JLabel("White:");
@@ -105,7 +125,15 @@ public class DialogUtil {
 		cbBlack.setBounds(98, 36, 159, 22);
 		dialogPanel.add(cbBlack);
 
-		JOptionPane.showMessageDialog(parent, dialogPanel, "Game configuration", JOptionPane.QUESTION_MESSAGE);
+		JOptionPane.showMessageDialog(
-		action.accept(options.get(cbWhite.getSelectedIndex()), options.get(cbBlack.getSelectedIndex()));
+			parent,
+			dialogPanel,
+			"Game configuration",
+			JOptionPane.QUESTION_MESSAGE
+		);
+		action.accept(
+			options.get(cbWhite.getSelectedIndex()),
+			options.get(cbBlack.getSelectedIndex())
+		);
 	}
 }

src/dev/kske/chess/ui/GameDropTarget.java

@@ -30,14 +30,19 @@ public class GameDropTarget extends DropTargetAdapter {
 	 * @param mainWindow the {@link MainWindow} onto which {@code FEN} and
 	 *                   {@code PGN} files can be dropped
 	 */
-	public GameDropTarget(MainWindow mainWindow) { this.mainWindow = mainWindow; }
+	public GameDropTarget(MainWindow mainWindow) {
+		this.mainWindow = mainWindow;
+	}
 
 	@SuppressWarnings("unchecked")
 	@Override
 	public void drop(DropTargetDropEvent evt) {
 		try {
 			evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
-			mainWindow.loadFiles((List<File>) evt.getTransferable().getTransferData(DataFlavor.javaFileListFlavor));
+			mainWindow.loadFiles(
+				(List<File>) evt.getTransferable()
+					.getTransferData(DataFlavor.javaFileListFlavor)
+			);
 		} catch (UnsupportedFlavorException | IOException ex) {
 			ex.printStackTrace();
 			evt.rejectDrop();

src/dev/kske/chess/ui/GamePane.java

@@ -45,15 +45,23 @@ public class GamePane extends JComponent {
 		activeColor = Color.WHITE;
 
 		GridBagLayout gridBagLayout = new GridBagLayout();
-		gridBagLayout.columnWidths	= new int[] { 450, 1, 0 };
+		gridBagLayout.columnWidths = new int[] {
-		gridBagLayout.rowHeights	= new int[] { 33, 267, 1, 0 };
+			450, 1, 0
-		gridBagLayout.columnWeights	= new double[] { 0.0, 1.0, 1.0 };
+		};
-		gridBagLayout.rowWeights	= new double[] { 1.0, 1.0, 1.0, Double.MIN_VALUE };
+		gridBagLayout.rowHeights = new int[] {
+			33, 267, 1, 0
+		};
+		gridBagLayout.columnWeights = new double[] {
+			0.0, 1.0, 1.0
+		};
+		gridBagLayout.rowWeights = new double[] {
+			1.0, 1.0, 1.0, Double.MIN_VALUE
+		};
 		setLayout(gridBagLayout);
 
 		JPanel toolPanel = new JPanel();
 		btnRestart = new JButton("Restart");
-		btnRestart.addActionListener((evt) -> {
+		btnRestart.addActionListener(evt -> {
 			if (game != null) {
 				game.reset();
 				game.start();
@@ -61,9 +69,10 @@ public class GamePane extends JComponent {
 		});
 
 		btnSwapColors = new JButton("Play as black");
-		btnSwapColors.addActionListener((evt) -> {
+		btnSwapColors.addActionListener(evt -> {
 			game.swapColors();
-			btnSwapColors.setText("Play as " + activeColor.toString().toLowerCase());
+			btnSwapColors
+				.setText("Play as " + activeColor.toString().toLowerCase());
 			activeColor = activeColor.opposite();
 		});
 
@@ -90,7 +99,7 @@ public class GamePane extends JComponent {
 		moveSelectionPanel.add(btnFirst);
 
 		btnPrevious = new JButton("Previous");
-		btnPrevious.addActionListener((evt) -> {
+		btnPrevious.addActionListener(evt -> {
 			if (game != null) {
 				game.getBoard().selectPreviousNode();
 				getBoardPane().getOverlayComponent().clearArrow();
@@ -100,12 +109,19 @@ public class GamePane extends JComponent {
 		moveSelectionPanel.add(btnPrevious);
 
 		btnNext = new JButton("Next");
-		btnNext.addActionListener((evt) -> {
+		btnNext.addActionListener(evt -> {
 			if (game != null) {
-				int	numVariations	= game.getBoard().getLog().getLast().getVariations().size();
+				int numVariations
+					= game.getBoard().getLog().getLast().getVariations().size();
 				int index;
-				if (numVariations == 1) index = 1;
+				if (numVariations == 1)
-				else index = Integer.parseInt(JOptionPane.showInputDialog("Enter the variation index."));
+					index = 1;
+				else
+					index
+						= Integer.parseInt(
+							JOptionPane
+								.showInputDialog("Enter the variation index.")
+						);
 				game.getBoard().selectNextNode(index);
 				getBoardPane().getOverlayComponent().clearArrow();
 				repaint();
@@ -147,7 +163,6 @@ public class GamePane extends JComponent {
 			letterLabel.setHorizontalAlignment(SwingConstants.CENTER);
 			letterPanel.add(letterLabel);
 		}
-
 		JScrollPane scrollPane = new JScrollPane();
 		GridBagConstraints gbc_scrollPane = new GridBagConstraints();
 		gbc_scrollPane.fill = GridBagConstraints.BOTH;
@@ -162,19 +177,28 @@ public class GamePane extends JComponent {
 		pgnList.setCellRenderer(new MoveNodeRenderer());
 		scrollPane.setViewportView(pgnList);
 
-		// Listen to moves and game (re-)starts and update the move list or disable the
+		// Listen to moves and game (re-)starts and update the move list or
+		// disable the
 		// color switching buttons if necessary
 		EventBus.getInstance().register(new Subscriber() {
 
 			@Override
 			public void handle(Event<?> event) {
-				if (event instanceof MoveEvent && (((MoveEvent) event).getBoardState() == BoardState.CHECKMATE
+				if (
-						|| ((MoveEvent) event).getBoardState() == BoardState.STALEMATE))
+					event instanceof MoveEvent && (((MoveEvent) event)
+						.getBoardState() == BoardState.CHECKMATE
+						|| ((MoveEvent) event)
+							.getBoardState() == BoardState.STALEMATE)
+				)
 					btnSwapColors.setEnabled(false);
-				else if (event instanceof GameStartEvent) btnSwapColors.setEnabled(
+				else
-						game.getPlayers().get(Color.WHITE) instanceof NaturalPlayer ^ game.getPlayers().get(Color.BLACK) instanceof NaturalPlayer);
+					if (event instanceof GameStartEvent)
+						btnSwapColors.setEnabled(
+							game.getPlayers().get(Color.WHITE) instanceof NaturalPlayer ^ game.getPlayers().get(Color.BLACK) instanceof NaturalPlayer
+						);
 
-				if (game.getBoard().getLog() == null) return;
+				if (game.getBoard().getLog() == null)
+					return;
 
 				DefaultListModel<MoveNode> model = new DefaultListModel<>();
 				game.getBoard().getLog().forEach(model::addElement);
@@ -182,7 +206,11 @@ public class GamePane extends JComponent {
 			}
 
 			@Override
-			public Set<Class<?>> supports() { return new HashSet<>(Arrays.asList(MoveEvent.class, GameStartEvent.class)); }
+			public Set<Class<?>> supports() {
+				return new HashSet<>(
+					Arrays.asList(MoveEvent.class, GameStartEvent.class)
+				);
+			}
 		});
 	}
 
@@ -197,13 +225,15 @@ public class GamePane extends JComponent {
 	public Game getGame() { return game; }
 
 	/**
-	 * Assigns a new {@link Game} instance to this game pane. If exactly one of the
+	 * Assigns a new {@link Game} instance to this game pane. If exactly one of
+	 * the
 	 * players is natural, color swapping functionality is enabled.
 	 *
 	 * @param game The {@link Game} to assign to this game pane.
 	 */
 	public void setGame(Game game) {
-		if (this.game != null) this.game.stop();
+		if (this.game != null)
+			this.game.stop();
 		this.game = game;
 	}
 }

src/dev/kske/chess/ui/GameTabComponent.java

@@ -30,7 +30,8 @@ public class GameTabComponent extends JPanel {
 	 */
 	public GameTabComponent(JTabbedPane tabbedPane) {
 		super(new FlowLayout(FlowLayout.LEFT, 0, 0));
-		if (tabbedPane == null) throw new NullPointerException("TabbedPane is null");
+		if (tabbedPane == null)
+			throw new NullPointerException("TabbedPane is null");
 		this.tabbedPane = tabbedPane;
 
 		// Create title JLabel
@@ -68,13 +69,21 @@ public class GameTabComponent extends JPanel {
 			addMouseListener(new MouseAdapter() {
 
 				@Override
-				public void mouseEntered(MouseEvent evt) { setBorderPainted(true); }
+				public void mouseEntered(MouseEvent evt) {
+					setBorderPainted(true);
+				}
 
 				@Override
-				public void mouseExited(MouseEvent evt) { setBorderPainted(false); }
+				public void mouseExited(MouseEvent evt) {
+					setBorderPainted(false);
+				}
 			});
 			setRolloverEnabled(true);
-			addActionListener((evt) -> { int i = tabbedPane.indexOfTabComponent(GameTabComponent.this); if (i != -1) tabbedPane.remove(i); });
+			addActionListener(evt -> {
+				int i = tabbedPane.indexOfTabComponent(GameTabComponent.this);
+				if (i != -1)
+					tabbedPane.remove(i);
+			});
 		}
 
 		@Override
@@ -85,13 +94,25 @@ public class GameTabComponent extends JPanel {
 			super.paintComponent(g);
 			Graphics2D g2 = (Graphics2D) g.create();
 			// shift the image for pressed buttons
-			if (getModel().isPressed()) { g2.translate(1, 1); }
+			if (getModel().isPressed())
+				g2.translate(1, 1);
 			g2.setStroke(new BasicStroke(2));
 			g2.setColor(Color.BLACK);
-			if (getModel().isRollover()) { g2.setColor(Color.MAGENTA); }
+			if (getModel().isRollover())
+				g2.setColor(Color.MAGENTA);
 			final int delta = 6;
-			g2.drawLine(delta, delta, getWidth() - delta - 1, getHeight() - delta - 1);
+			g2.drawLine(
-			g2.drawLine(getWidth() - delta - 1, delta, delta, getHeight() - delta - 1);
+				delta,
+				delta,
+				getWidth() - delta - 1,
+				getHeight() - delta - 1
+			);
+			g2.drawLine(
+				getWidth() - delta - 1,
+				delta,
+				delta,
+				getHeight() - delta - 1
+			);
 			g2.dispose();
 		}
 	}

src/dev/kske/chess/ui/MainWindow.java

@@ -37,7 +37,9 @@ public class MainWindow extends JFrame {
 	 *
 	 * @param args command line arguments are ignored
 	 */
-	public static void main(String[] args) { SwingUtilities.invokeLater(MainWindow::new); }
+	public static void main(String[] args) {
+		SwingUtilities.invokeLater(MainWindow::new);
+	}
 
 	/**
 	 * Create the application.
@@ -48,8 +50,11 @@ public class MainWindow extends JFrame {
 		// Configure frame
 		setResizable(false);
 		setBounds(100, 100, 494, 565);
-		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
-		setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().getResource("/pieces/queen_white.png")));
+		setIconImage(
+			Toolkit.getDefaultToolkit()
+				.getImage(getClass().getResource("/pieces/queen_white.png"))
+		);
 
 		// Add tabbed pane, menu bar and drop target
 		getContentPane().add(tabbedPane);
@@ -65,7 +70,9 @@ public class MainWindow extends JFrame {
 	/**
 	 * @return the currently selected {@link GamePane} component
 	 */
-	public GamePane getSelectedGamePane() { return (GamePane) tabbedPane.getSelectedComponent(); }
+	public GamePane getSelectedGamePane() {
+		return (GamePane) tabbedPane.getSelectedComponent();
+	}
 
 	/**
 	 * Creates a new {@link GamePane}, adds it to the tabbed pane and opens it.
@@ -73,7 +80,9 @@ public class MainWindow extends JFrame {
 	 *
 	 * @return the new {@link GamePane}
 	 */
-	public GamePane addGamePane() { return addGamePane("Game " + (tabbedPane.getTabCount() + 1)); }
+	public GamePane addGamePane() {
+		return addGamePane("Game " + (tabbedPane.getTabCount() + 1));
+	}
 
 	/**
 	 * Creates a new {@link GamePane}, adds it to the tabbed pane and opens it.
@@ -84,13 +93,17 @@ public class MainWindow extends JFrame {
 	public GamePane addGamePane(String title) {
 		GamePane gamePane = new GamePane();
 		tabbedPane.add(title, gamePane);
-		tabbedPane.setTabComponentAt(tabbedPane.getTabCount() - 1, new GameTabComponent(tabbedPane));
+		tabbedPane.setTabComponentAt(
+			tabbedPane.getTabCount() - 1,
+			new GameTabComponent(tabbedPane)
+		);
 		tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
 		return gamePane;
 	}
 
 	/**
-	 * Creates a new {@link GamePane}, adds it to the tabbed pane and immediately
+	 * Creates a new {@link GamePane}, adds it to the tabbed pane and
+	 * immediately
 	 * displays a game configuration dialog for a new game on an existing
 	 * {@link Board}.
 	 *
@@ -100,12 +113,19 @@ public class MainWindow extends JFrame {
 	 */
 	public GamePane addGamePane(String title, Board board) {
 		GamePane gamePane = addGamePane(title);
-		DialogUtil.showGameConfigurationDialog(this,
+		DialogUtil.showGameConfigurationDialog(
+			this,
 			(whiteName, blackName) -> {
-					Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, board);
+				Game game = new Game(
+					gamePane.getBoardPane(),
+					whiteName,
+					blackName,
+					board
+				);
 				gamePane.setGame(game);
 				game.start();
-				});
+			}
+		);
 		return gamePane;
 	}
 
@@ -114,7 +134,9 @@ public class MainWindow extends JFrame {
 	 *
 	 * @param index The index of the {@link GamePane} to remove
 	 */
-	public void removeGamePane(int index) { tabbedPane.remove(index); }
+	public void removeGamePane(int index) {
+		tabbedPane.remove(index);
+	}
 
 	/**
 	 * Loads a game file (FEN or PGN) and adds it to a new {@link GamePane}.
@@ -123,38 +145,66 @@ public class MainWindow extends JFrame {
 	 */
 	public void loadFiles(List<File> files) {
 		files.forEach(file -> {
-			final String	name		= file.getName().substring(0, file.getName().lastIndexOf('.'));
+			final String name
-			final String	extension	= file.getName().substring(file.getName().lastIndexOf('.')).toLowerCase();
+				= file.getName().substring(0, file.getName().lastIndexOf('.'));
+			final String extension = file.getName()
+				.substring(file.getName().lastIndexOf('.'))
+				.toLowerCase();
 			try {
 				Board board;
 				switch (extension) {
 					case ".fen":
-						board = new FENString(new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8)).getBoard();
+						board = new FENString(
+							new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8)
+						).getBoard();
 						break;
 					case ".pgn":
 						PGNDatabase pgnDB = new PGNDatabase();
 						pgnDB.load(file);
 						if (pgnDB.getGames().size() > 0) {
-							String[] gameNames = new String[pgnDB.getGames().size()];
+							String[] gameNames
+								= new String[pgnDB.getGames().size()];
 							for (int i = 0; i < gameNames.length; i++) {
 								final PGNGame game = pgnDB.getGames().get(i);
-								gameNames[i] = String.format("%s vs %s: %s", game.getTag("White"), game.getTag("Black"), game.getTag("Result"));
+								gameNames[i] = String.format(
+									"%s vs %s: %s",
+									game.getTag("White"),
+									game.getTag("Black"),
+									game.getTag("Result")
+								);
 							}
-							JComboBox<String> comboBox = new JComboBox<>(gameNames);
+							JComboBox<String> comboBox
-							JOptionPane.showMessageDialog(this, comboBox, "Select a game", JOptionPane.QUESTION_MESSAGE);
+								= new JComboBox<>(gameNames);
-							board = pgnDB.getGames().get(comboBox.getSelectedIndex()).getBoard();
+							JOptionPane.showMessageDialog(
-						} else throw new ChessException("The PGN database '" + name + "' is empty!");
+								this,
+								comboBox,
+								"Select a game",
+								JOptionPane.QUESTION_MESSAGE
+							);
+							board = pgnDB.getGames()
+								.get(comboBox.getSelectedIndex())
+								.getBoard();
+						} else
+							throw new ChessException(
+								"The PGN database '" + name + "' is empty!"
+							);
 						break;
 					default:
-						throw new ChessException("The file extension '" + extension + "' is not supported!");
+						throw new ChessException(
+							"The file extension '" + extension
+								+ "' is not supported!"
+						);
 				}
 				addGamePane(name, board);
 			} catch (Exception e) {
 				e.printStackTrace();
-				JOptionPane.showMessageDialog(this,
+				JOptionPane.showMessageDialog(
-						"Failed to load the file " + file.getName() + ": " + e.toString(),
+					this,
+					"Failed to load the file " + file.getName() + ": "
+						+ e.toString(),
 					"File loading error",
-						JOptionPane.ERROR_MESSAGE);
+					JOptionPane.ERROR_MESSAGE
+				);
 			}
 		});
 	}
@@ -167,27 +217,39 @@ public class MainWindow extends JFrame {
 	 */
 	public void saveFile(File file) {
 		final int dotIndex = file.getName().lastIndexOf('.');
-		final String	extension	= file.getName().substring(dotIndex).toLowerCase();
+		final String extension
+			= file.getName().substring(dotIndex).toLowerCase();
 
-		if (extension.equals(".pgn")) try {
+		if (extension.equals(".pgn"))
-			PGNGame pgnGame = new PGNGame(getSelectedGamePane().getGame().getBoard());
+			try {
-			pgnGame.setTag("Event", tabbedPane.getTitleAt(tabbedPane.getSelectedIndex()));
+				PGNGame pgnGame
+					= new PGNGame(getSelectedGamePane().getGame().getBoard());
+				pgnGame.setTag(
+					"Event",
+					tabbedPane.getTitleAt(tabbedPane.getSelectedIndex())
+				);
 				pgnGame.setTag("Result", "*");
 				PGNDatabase pgnDB = new PGNDatabase();
 				pgnDB.getGames().add(pgnGame);
 				pgnDB.save(file);
 
-			if (JOptionPane.showConfirmDialog(this,
+				if (
+					JOptionPane.showConfirmDialog(
+						this,
 						"Game export finished. Do you want to view the created file?",
 						"Game export finished",
-					JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION)
+						JOptionPane.YES_NO_OPTION
+					) == JOptionPane.YES_OPTION
+				)
 					Desktop.getDesktop().open(file);
 			} catch (IOException e) {
 				e.printStackTrace();
-			JOptionPane.showMessageDialog(this,
+				JOptionPane.showMessageDialog(
+					this,
 					"Failed to save the file " + file.getName() + ": " + e,
 					"File saving error",
-					JOptionPane.ERROR_MESSAGE);
+					JOptionPane.ERROR_MESSAGE
+				);
 			}
 	}
 }

src/dev/kske/chess/ui/MenuBar.java

@@ -43,25 +43,52 @@ public class MenuBar extends JMenuBar {
 		JMenu gameMenu = new JMenu("Game");
 
 		JMenuItem newGameMenuItem = new JMenuItem("New Game");
-		newGameMenuItem.addActionListener((evt) -> DialogUtil.showGameConfigurationDialog(mainWindow, (whiteName, blackName) -> {
+		newGameMenuItem.addActionListener(
+			evt -> DialogUtil.showGameConfigurationDialog(
+				mainWindow,
+				(whiteName, blackName) -> {
 					GamePane gamePane = mainWindow.addGamePane();
-			Game		game		= new Game(gamePane.getBoardPane(), whiteName, blackName);
+					Game game = new Game(
+						gamePane.getBoardPane(),
+						whiteName,
+						blackName
+					);
 					gamePane.setGame(game);
 					game.start();
-		}));
+				}
+			)
+		);
 		gameMenu.add(newGameMenuItem);
 
 		JMenuItem loadFileMenu = new JMenuItem("Load game file");
-		loadFileMenu.addActionListener((evt) -> DialogUtil
+		loadFileMenu.addActionListener(
-			.showFileSelectionDialog(mainWindow,
+			evt -> DialogUtil
+				.showFileSelectionDialog(
+					mainWindow,
 					mainWindow::loadFiles,
-					Arrays.asList(new FileNameExtensionFilter("FEN and PGN files", "fen", "pgn"))));
+					Arrays.asList(
+						new FileNameExtensionFilter(
+							"FEN and PGN files",
+							"fen",
+							"pgn"
+						)
+					)
+				)
+		);
 		gameMenu.add(loadFileMenu);
 
 		JMenuItem saveFileMenu = new JMenuItem("Save game file");
 		saveFileMenu
-			.addActionListener((evt) -> DialogUtil
+			.addActionListener(
-				.showFileSaveDialog(mainWindow, mainWindow::saveFile, Arrays.asList(new FileNameExtensionFilter("PGN file", "pgn"))));
+				evt -> DialogUtil
+					.showFileSaveDialog(
+						mainWindow,
+						mainWindow::saveFile,
+						Arrays.asList(
+							new FileNameExtensionFilter("PGN file", "pgn")
+						)
+					)
+			);
 		gameMenu.add(saveFileMenu);
 
 		add(gameMenu);
@@ -72,10 +99,16 @@ public class MenuBar extends JMenuBar {
 		JMenu engineMenu = new JMenu("Engine");
 
 		JMenuItem addEngineMenuItem = new JMenuItem("Add engine");
-		addEngineMenuItem.addActionListener((evt) -> {
+		addEngineMenuItem.addActionListener(evt -> {
 			String enginePath = JOptionPane
-				.showInputDialog(getParent(), "Enter the path to a UCI-compatible chess engine:", "Engine selection", JOptionPane.QUESTION_MESSAGE);
+				.showInputDialog(
-			if (enginePath != null) EngineUtil.addEngine(enginePath);
+					getParent(),
+					"Enter the path to a UCI-compatible chess engine:",
+					"Engine selection",
+					JOptionPane.QUESTION_MESSAGE
+				);
+			if (enginePath != null)
+				EngineUtil.addEngine(enginePath);
 		});
 
 		JMenuItem showInfoMenuItem = new JMenuItem("Show engine info");
@@ -89,29 +122,50 @@ public class MenuBar extends JMenuBar {
 		JMenu toolsMenu = new JMenu("Tools");
 
 		JMenuItem exportFENMenuItem = new JMenuItem("Export board to FEN");
-		exportFENMenuItem.addActionListener((evt) -> {
+		exportFENMenuItem.addActionListener(evt -> {
-			final String fen = new FENString(mainWindow.getSelectedGamePane().getGame().getBoard()).toString();
+			final String fen = new FENString(
-			Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(fen), null);
+				mainWindow.getSelectedGamePane().getGame().getBoard()
-			JOptionPane.showMessageDialog(mainWindow, String.format("FEN-string copied to clipboard!%n%s", fen));
+			).toString();
+			Toolkit.getDefaultToolkit()
+				.getSystemClipboard()
+				.setContents(new StringSelection(fen), null);
+			JOptionPane.showMessageDialog(
+				mainWindow,
+				String.format("FEN-string copied to clipboard!%n%s", fen)
+			);
 		});
 		toolsMenu.add(exportFENMenuItem);
 
 		JMenuItem loadFromFENMenuItem = new JMenuItem("Load board from FEN");
-		loadFromFENMenuItem.addActionListener((evt) -> {
+		loadFromFENMenuItem.addActionListener(evt -> {
 			final GamePane gamePane = mainWindow.addGamePane();
-			final String	fen			= JOptionPane.showInputDialog("Enter a FEN string: ");
+			final String fen
-			DialogUtil.showGameConfigurationDialog(mainWindow, (whiteName, blackName) -> {
+				= JOptionPane.showInputDialog("Enter a FEN string: ");
+			DialogUtil.showGameConfigurationDialog(
+				mainWindow,
+				(whiteName, blackName) -> {
 					Game game;
 					try {
-					game = new Game(gamePane.getBoardPane(), whiteName, blackName, new FENString(fen).getBoard());
+						game = new Game(
+							gamePane.getBoardPane(),
+							whiteName,
+							blackName,
+							new FENString(fen).getBoard()
+						);
 						gamePane.setGame(game);
 						game.start();
 					} catch (ChessException e) {
 						e.printStackTrace();
 						JOptionPane
-						.showMessageDialog(mainWindow, "Failed to load FEN string: " + e.toString(), "FEN loading error", JOptionPane.ERROR_MESSAGE);
+							.showMessageDialog(
+								mainWindow,
+								"Failed to load FEN string: " + e.toString(),
+								"FEN loading error",
+								JOptionPane.ERROR_MESSAGE
+							);
 					}
-			});
+				}
+			);
 		});
 		toolsMenu.add(loadFromFENMenuItem);
 

src/dev/kske/chess/ui/MoveNodeRenderer.java

@@ -18,16 +18,20 @@ import dev.kske.chess.board.MoveNode;
  * @since Chess v0.5-alpha
  * @author Kai S. K. Engelbart
  */
-public class MoveNodeRenderer extends JLabel implements ListCellRenderer<MoveNode> {
+public class MoveNodeRenderer extends JLabel
+	implements ListCellRenderer<MoveNode> {
 
 	private static final long serialVersionUID = 5242015788752442446L;
 
 	@Override
-	public Component getListCellRendererComponent(JList<? extends MoveNode> list, MoveNode node, int index,
+	public Component getListCellRendererComponent(
-			boolean isSelected, boolean cellHasFocus) {
+		JList<? extends MoveNode> list, MoveNode node, int index,
+		boolean isSelected, boolean cellHasFocus
+	) {
 		setBorder(new EmptyBorder(5, 5, 5, 5));
 
-		int numVariations = node.hasVariations() ? node.getVariations().size() : 0; 
+		int numVariations
+			= node.hasVariations() ? node.getVariations().size() : 0;
 		setText(String.format("%s (%d)", node.move.toLAN(), numVariations));
 
 		setBackground(isSelected ? Color.red : Color.white);

src/dev/kske/chess/ui/OverlayComponent.java

@@ -48,15 +48,31 @@ public class OverlayComponent extends JComponent {
 		// Draw an arrow representing the last move and mark its position and
 		// destination
 		if (arrow != null) {
-			Point	pos		= new Point(arrow.getPos().x * tileSize + tileSize / 2, arrow.getPos().y * tileSize + tileSize / 2);
+			Point pos = new Point(
-			Point	dest	= new Point(arrow.getDest().x * tileSize + tileSize / 2, arrow.getDest().y * tileSize + tileSize / 2);
+				arrow.getPos().x * tileSize + tileSize / 2,
+				arrow.getPos().y * tileSize + tileSize / 2
+			);
+			Point dest = new Point(
+				arrow.getDest().x * tileSize + tileSize / 2,
+				arrow.getDest().y * tileSize + tileSize / 2
+			);
 
 			Graphics2D g2d = (Graphics2D) g;
 			g2d.setStroke(new BasicStroke(3));
 
 			g2d.setColor(Color.yellow);
-			g2d.drawRect(arrow.getPos().x * tileSize, arrow.getPos().y * tileSize, tileSize, tileSize);
+			g2d.drawRect(
-			g2d.drawRect(arrow.getDest().x * tileSize, arrow.getDest().y * tileSize, tileSize, tileSize);
+				arrow.getPos().x * tileSize,
+				arrow.getPos().y * tileSize,
+				tileSize,
+				tileSize
+			);
+			g2d.drawRect(
+				arrow.getDest().x * tileSize,
+				arrow.getDest().y * tileSize,
+				tileSize,
+				tileSize
+			);
 
 			Shape arrowShape = createArrowShape(pos, dest);
 			g.setColor(new Color(255, 0, 0, 127));
@@ -64,16 +80,17 @@ public class OverlayComponent extends JComponent {
 			g2d.setColor(Color.black);
 			g2d.draw(arrowShape);
 		}
-
 		// Draw possible moves if a piece was selected
 		if (!dots.isEmpty()) {
 			g.setColor(Color.green);
 			int radius = tileSize / 4;
 			for (Position dot : dots)
-				g.fillOval(dot.x * tileSize + tileSize / 2 - radius / 2,
+				g.fillOval(
+					dot.x * tileSize + tileSize / 2 - radius / 2,
 					dot.y * tileSize + tileSize / 2 - radius / 2,
 					radius,
-						radius);
+					radius
+				);
 		}
 	}
 
@@ -91,7 +108,8 @@ public class OverlayComponent extends JComponent {
 
 		double rotate = Math.atan2(dest.y - pos.y, dest.x - pos.x);
 		double ptDistance = pos.distance(dest);
-		double	scale		= ptDistance / 12.0;							// 12 because it's the length of the arrow
+		double scale = ptDistance / 12.0; // 12 because it's the length of the
+											// arrow
 											// polygon.
 
 		AffineTransform transform = new AffineTransform();
@@ -104,7 +122,10 @@ public class OverlayComponent extends JComponent {
 	}
 
 	private Point midpoint(Point p1, Point p2) {
-		return new Point((int) ((p1.x + p2.x) / 2.0), (int) ((p1.y + p2.y) / 2.0));
+		return new Point(
+			(int) ((p1.x + p2.x) / 2.0),
+			(int) ((p1.y + p2.y) / 2.0)
+		);
 	}
 
 	/**

test/dev/kske/chess/board/BoardTest.java

@@ -37,6 +37,9 @@ class BoardTest {
 		clone.getBoardArr()[0][0] = new Queen(Color.BLACK, clone);
 		clone.move(new Move(1, 1, 1, 2));
 		assertNotEquals(clone.getBoardArr()[0][0], board.getBoardArr()[0][0]);
-		assertNotEquals(clone.getLog().getActiveColor(), board.getLog().getActiveColor());
+		assertNotEquals(
+			clone.getLog().getActiveColor(),
+			board.getLog().getActiveColor()
+		);
 	}
 }

test/dev/kske/chess/board/FENStringTest.java

@@ -40,7 +40,11 @@ class FENStringTest {
 	 */
 	@BeforeEach
 	void setUp() throws Exception {
-		fenStrings.addAll(Arrays.asList("rnbqkbnr/pp1ppppp/8/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2"));
+		fenStrings.addAll(
+			Arrays.asList(
+				"rnbqkbnr/pp1ppppp/8/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2"
+			)
+		);
 		Board board = new Board();
 		board.set(Position.fromLAN("c7"), null);
 		board.set(Position.fromLAN("c5"), new Pawn(Color.BLACK, board));
@@ -61,7 +65,10 @@ class FENStringTest {
 	@Test
 	void testToString() {
 		for (int i = 0; i < fenStrings.size(); i++)
-			assertEquals(fenStrings.get(i), new FENString(boards.get(i)).toString());
+			assertEquals(
+				fenStrings.get(i),
+				new FENString(boards.get(i)).toString()
+			);
 	}
 
 	/**
@@ -72,6 +79,9 @@ class FENStringTest {
 	@Test
 	void testGetBoard() throws ChessException {
 		for (int i = 0; i < boards.size(); i++)
-			assertEquals(boards.get(i), new FENString(fenStrings.get(i)).getBoard());
+			assertEquals(
+				boards.get(i),
+				new FENString(fenStrings.get(i)).getBoard()
+			);
 	}
 }

test/dev/kske/chess/board/LogTest.java

@@ -44,7 +44,10 @@ class LogTest {
 		other.add(Move.fromLAN("a2a4"), new Pawn(Color.WHITE, null), null);
 		other.add(Move.fromLAN("a4a5"), new Pawn(Color.WHITE, null), null);
 		assertNotEquals(log.getRoot(), other.getRoot());
-		assertNotEquals(log.getRoot().getVariations(), other.getRoot().getVariations());
+		assertNotEquals(
+			log.getRoot().getVariations(),
+			other.getRoot().getVariations()
+		);
 	}
 
 	/**
@@ -120,7 +123,8 @@ class LogTest {
 	}
 
 	/**
-	 * Test method for {@link Log#setActiveColor(dev.kske.chess.board.Piece.Color)}.
+	 * Test method for
+	 * {@link Log#setActiveColor(dev.kske.chess.board.Piece.Color)}.
 	 */
 	@Test
 	void testSetActiveColor() {

test/dev/kske/chess/board/PositionTest.java

@@ -13,9 +13,18 @@ import org.junit.jupiter.api.Test;
 class PositionTest {
 
 	private final int n = 4;
-	private Position[]	positions	= new Position[] { new Position(0, 0), new Position(7, 7), new Position(0, 7), new Position(7, 0) };
+	private Position[] positions = new Position[] {
-	private String[]	sans		= new String[] { "a8", "h1", "a1", "h8" };
+		new Position(0, 0),
-	private String[]	strings		= new String[] { "[0, 0]", "[7, 7]", "[0, 7]", "[7, 0]" };
+		new Position(7, 7),
+		new Position(0, 7),
+		new Position(7, 0)
+	};
+	private String[] sans = new String[] {
+		"a8", "h1", "a1", "h8"
+	};
+	private String[] strings = new String[] {
+		"[0, 0]", "[7, 7]", "[0, 7]", "[7, 0]"
+	};
 
 	/**
 	 * Test method for

test/dev/kske/chess/pgn/PGNDatabaseTest.java

@@ -16,7 +16,8 @@ import dev.kske.chess.exception.ChessException;
 class PGNDatabaseTest {
 
 	/**
-	 * Test method for {@link dev.kske.chess.pgn.PGNDatabase#load(java.io.File)}.
+	 * Test method for
+	 * {@link dev.kske.chess.pgn.PGNDatabase#load(java.io.File)}.
 	 *
 	 * @throws ChessException        if an error occurs while parsing the file
 	 * @throws FileNotFoundException if the test file {@code test.pgn} is not
@@ -25,6 +26,8 @@ class PGNDatabaseTest {
 	@Test
 	void testLoad() throws FileNotFoundException, ChessException {
 		PGNDatabase db = new PGNDatabase();
-		db.load(new File(getClass().getClassLoader().getResource("test.pgn").getFile()));
+		db.load(
+			new File(getClass().getClassLoader().getResource("test.pgn").getFile())
+		);
 	}
 }