Added log resetting, disabled resizing in MainFrame

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

@@ -168,8 +168,6 @@ public class Board implements Cloneable {
 				// Move the rook
 				Move rookMove = move.dest.x == 6 ? new Move(5, move.pos.y, 7, move.pos.y) // Kingside
 						: new Move(3, move.pos.y, 0, move.pos.y); // Queenside
-
-				// Move the rook
 				setDest(rookMove, getPos(rookMove));
 				setPos(rookMove, null);
 
@@ -278,7 +276,8 @@ public class Board implements Cloneable {
 
 	public GameState getGameEventType(Color color) {
 		return checkCheck(color) ? checkCheckmate(color) ? GameState.CHECKMATE : GameState.CHECK
-				: getMoves(color).isEmpty() ? GameState.STALEMATE : GameState.NORMAL;
+				: getMoves(color).isEmpty() || log.getLast().halfmoveClock >= 50 ? GameState.STALEMATE
+						: GameState.NORMAL;
 	}
 
 	/**
@@ -369,6 +368,8 @@ public class Board implements Cloneable {
 		blackCastling.put(Type.QUEEN, true);
 		castlingRights.put(Color.WHITE, whiteCastling);
 		castlingRights.put(Color.BLACK, blackCastling);
+
+		log.reset();
 	}
 
 	/**

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

@@ -49,6 +49,11 @@ public class Log implements Cloneable {
 		}
 	}
 
+	public void reset() {
+		moves.clear();
+		activeColor = Color.WHITE;
+	}
+	
 	@Override
 	public Object clone() {
 		Log log = null;

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

@@ -24,10 +24,10 @@ public class MoveProcessor implements Callable<ProcessingResult> {
 	private Move bestMove;
 
 	public MoveProcessor(Board board, List<Move> rootMoves, Color color, int maxDepth, int alphaBetaThreshold) {
-		this.board		= board;
+		this.board				= board;
-		this.rootMoves	= rootMoves;
+		this.rootMoves			= rootMoves;
-		this.color		= color;
+		this.color				= color;
-		this.maxDepth	= maxDepth;
+		this.maxDepth			= maxDepth;
 		this.alphaBetaThreshold	= alphaBetaThreshold;
 	}
 
@@ -41,9 +41,9 @@ public class MoveProcessor implements Callable<ProcessingResult> {
 		int bestValue = Integer.MIN_VALUE;
 		for (Move move : moves) {
 			board.move(move);
-			int		teamValue		= board.evaluate(color);
+			int	teamValue	= board.evaluate(color);
-			int		enemyValue		= board.evaluate(color.opposite());
+			int	enemyValue	= board.evaluate(color.opposite());
-			int		valueChange		= teamValue - enemyValue;
+			int	valueChange	= teamValue - enemyValue;
 
 			if (depth < maxDepth && valueChange >= alphaBetaThreshold)
 				valueChange -= miniMax(board, board.getMoves(color.opposite()), color.opposite(), depth + 1);

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

@@ -55,7 +55,7 @@ public class MainWindow {
 	 */
 	private void initialize() {
 		mframe = new JFrame("Chess by Kai S. K. Engelbart");
-		mframe.setResizable(true);
+		mframe.setResizable(false);
 		mframe.setBounds(100, 100, 494, 565);
 		mframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);