diff --git a/src/dev/kske/chess/board/Bishop.java b/src/dev/kske/chess/board/Bishop.java
index 8f2cb9d..4b2d8b0 100644
--- a/src/dev/kske/chess/board/Bishop.java
+++ b/src/dev/kske/chess/board/Bishop.java
@@ -7,7 +7,9 @@ import java.util.List;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Bishop.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Bishop extends Piece {
 
diff --git a/src/dev/kske/chess/board/Board.java b/src/dev/kske/chess/board/Board.java
index fbab10d..93fa907 100644
--- a/src/dev/kske/chess/board/Board.java
+++ b/src/dev/kske/chess/board/Board.java
@@ -16,7 +16,9 @@ import dev.kske.chess.board.Piece.Type;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Board.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Board {
 
diff --git a/src/dev/kske/chess/board/FENString.java b/src/dev/kske/chess/board/FENString.java
index 536cecf..0dbb3e5 100644
--- a/src/dev/kske/chess/board/FENString.java
+++ b/src/dev/kske/chess/board/FENString.java
@@ -14,8 +14,8 @@ import dev.kske.chess.exception.ChessException;
  * Represents a FEN string and enables parsing an existing FEN string or
  * serializing a {@link Board} to one.
  * 
+ * @since Chess v0.5-alpha
  * @author Kai S. K. Engelbart
- * @since Chess v0.4-alpha
  */
 public class FENString {
 
diff --git a/src/dev/kske/chess/board/GameState.java b/src/dev/kske/chess/board/GameState.java
index 07579dd..635a235 100644
--- a/src/dev/kske/chess/board/GameState.java
+++ b/src/dev/kske/chess/board/GameState.java
@@ -4,7 +4,9 @@ package dev.kske.chess.board;
  * Project: <strong>Chess</strong><br>
  * File: <strong>GameState.java</strong><br>
  * Created: <strong>07.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public enum GameState {
 	CHECK, CHECKMATE, STALEMATE, NORMAL;
diff --git a/src/dev/kske/chess/board/King.java b/src/dev/kske/chess/board/King.java
index de90fbf..3e0c913 100644
--- a/src/dev/kske/chess/board/King.java
+++ b/src/dev/kske/chess/board/King.java
@@ -7,7 +7,9 @@ import java.util.List;
  * Project: <strong>Chess</strong><br>
  * File: <strong>King.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class King extends Piece {
 
diff --git a/src/dev/kske/chess/board/Knight.java b/src/dev/kske/chess/board/Knight.java
index b225e14..aba0499 100644
--- a/src/dev/kske/chess/board/Knight.java
+++ b/src/dev/kske/chess/board/Knight.java
@@ -7,7 +7,9 @@ import java.util.List;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Knight.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Knight extends Piece {
 
diff --git a/src/dev/kske/chess/board/Log.java b/src/dev/kske/chess/board/Log.java
index 3ae372e..c2da70b 100644
--- a/src/dev/kske/chess/board/Log.java
+++ b/src/dev/kske/chess/board/Log.java
@@ -11,7 +11,9 @@ import dev.kske.chess.board.Piece.Type;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Log.java</strong><br>
  * Created: <strong>09.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Log implements Iterable<MoveNode> {
 
diff --git a/src/dev/kske/chess/board/Move.java b/src/dev/kske/chess/board/Move.java
index 34cacf9..f1312f4 100644
--- a/src/dev/kske/chess/board/Move.java
+++ b/src/dev/kske/chess/board/Move.java
@@ -6,7 +6,9 @@ import java.util.Objects;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Move.java</strong><br>
  * Created: <strong>02.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Move {
 
diff --git a/src/dev/kske/chess/board/MoveNode.java b/src/dev/kske/chess/board/MoveNode.java
index 600a0c9..a8bf2b8 100644
--- a/src/dev/kske/chess/board/MoveNode.java
+++ b/src/dev/kske/chess/board/MoveNode.java
@@ -11,7 +11,9 @@ import dev.kske.chess.board.Piece.Color;
  * Project: <strong>Chess</strong><br>
  * File: <strong>MoveNode.java</strong><br>
  * Created: <strong>02.10.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.5-alpha
+ * @author Kai S. K. Engelbart
  */
 public class MoveNode {
 
diff --git a/src/dev/kske/chess/board/Pawn.java b/src/dev/kske/chess/board/Pawn.java
index a9cac51..b83a625 100644
--- a/src/dev/kske/chess/board/Pawn.java
+++ b/src/dev/kske/chess/board/Pawn.java
@@ -7,7 +7,9 @@ import java.util.List;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Pawn.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Pawn extends Piece {
 
diff --git a/src/dev/kske/chess/board/Piece.java b/src/dev/kske/chess/board/Piece.java
index ef4ea90..865fb9f 100644
--- a/src/dev/kske/chess/board/Piece.java
+++ b/src/dev/kske/chess/board/Piece.java
@@ -8,7 +8,9 @@ import java.util.Objects;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Piece.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public abstract class Piece implements Cloneable {
 
diff --git a/src/dev/kske/chess/board/Position.java b/src/dev/kske/chess/board/Position.java
index 5edcf7c..15a185a 100644
--- a/src/dev/kske/chess/board/Position.java
+++ b/src/dev/kske/chess/board/Position.java
@@ -4,7 +4,9 @@ package dev.kske.chess.board;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Position.java</strong><br>
  * Created: <strong>02.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Position {
 
diff --git a/src/dev/kske/chess/board/Queen.java b/src/dev/kske/chess/board/Queen.java
index 6fcc401..3932b95 100644
--- a/src/dev/kske/chess/board/Queen.java
+++ b/src/dev/kske/chess/board/Queen.java
@@ -7,7 +7,9 @@ import java.util.List;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Queen.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Queen extends Piece {
 
diff --git a/src/dev/kske/chess/board/Rook.java b/src/dev/kske/chess/board/Rook.java
index affc7b0..590e49e 100644
--- a/src/dev/kske/chess/board/Rook.java
+++ b/src/dev/kske/chess/board/Rook.java
@@ -7,7 +7,9 @@ import java.util.List;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Rook.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Rook extends Piece {
 
diff --git a/src/dev/kske/chess/event/Event.java b/src/dev/kske/chess/event/Event.java
index 88df215..5e31830 100644
--- a/src/dev/kske/chess/event/Event.java
+++ b/src/dev/kske/chess/event/Event.java
@@ -4,7 +4,9 @@ package dev.kske.chess.event;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Event.java</strong><br>
  * Created: <strong>7 Aug 2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.4-alpha
+ * @author Kai S. K. Engelbart
  */
 public interface Event<T> {
 
diff --git a/src/dev/kske/chess/event/EventBus.java b/src/dev/kske/chess/event/EventBus.java
index d652df9..b8cb2df 100644
--- a/src/dev/kske/chess/event/EventBus.java
+++ b/src/dev/kske/chess/event/EventBus.java
@@ -7,7 +7,9 @@ import java.util.List;
  * Project: <strong>Chess</strong><br>
  * File: <strong>EventBus.java</strong><br>
  * Created: <strong>7 Aug 2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.4-alpha
+ * @author Kai S. K. Engelbart
  */
 public class EventBus {
 
diff --git a/src/dev/kske/chess/event/MoveEvent.java b/src/dev/kske/chess/event/MoveEvent.java
index fad5ff3..92eafe6 100644
--- a/src/dev/kske/chess/event/MoveEvent.java
+++ b/src/dev/kske/chess/event/MoveEvent.java
@@ -6,7 +6,9 @@ import dev.kske.chess.board.Move;
  * Project: <strong>Chess</strong><br>
  * File: <strong>MoveEvent.java</strong><br>
  * Created: <strong>7 Aug 2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.4-alpha
+ * @author Kai S. K. Engelbart
  */
 public class MoveEvent implements Event<Move> {
 
diff --git a/src/dev/kske/chess/event/Subscribable.java b/src/dev/kske/chess/event/Subscribable.java
index ff08cc4..4de8380 100644
--- a/src/dev/kske/chess/event/Subscribable.java
+++ b/src/dev/kske/chess/event/Subscribable.java
@@ -6,7 +6,9 @@ import java.util.Set;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Subscribable.java</strong><br>
  * Created: <strong>7 Aug 2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.4-alpha
+ * @author Kai S. K. Engelbart
  */
 public interface Subscribable {
 
diff --git a/src/dev/kske/chess/exception/ChessException.java b/src/dev/kske/chess/exception/ChessException.java
index 2137d96..3bedea7 100644
--- a/src/dev/kske/chess/exception/ChessException.java
+++ b/src/dev/kske/chess/exception/ChessException.java
@@ -4,7 +4,9 @@ package dev.kske.chess.exception;
  * Project: <strong>Chess</strong><br>
  * File: <strong>ChessException.java</strong><br>
  * Created: <strong>22 Sep 2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.5-alpha
+ * @author Kai S. K. Engelbart
  */
 public class ChessException extends Exception {
 
diff --git a/src/dev/kske/chess/game/Game.java b/src/dev/kske/chess/game/Game.java
index feb8781..edaf6d8 100644
--- a/src/dev/kske/chess/game/Game.java
+++ b/src/dev/kske/chess/game/Game.java
@@ -22,7 +22,9 @@ import dev.kske.chess.ui.OverlayComponent;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Game.java</strong><br>
  * Created: <strong>06.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class Game {
 
diff --git a/src/dev/kske/chess/game/NaturalPlayer.java b/src/dev/kske/chess/game/NaturalPlayer.java
index bf4bae8..8670a0e 100644
--- a/src/dev/kske/chess/game/NaturalPlayer.java
+++ b/src/dev/kske/chess/game/NaturalPlayer.java
@@ -16,7 +16,9 @@ import dev.kske.chess.ui.OverlayComponent;
  * Project: <strong>Chess</strong><br>
  * File: <strong>NaturalPlayer.java</strong><br>
  * Created: <strong>06.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class NaturalPlayer extends Player implements MouseListener {
 
diff --git a/src/dev/kske/chess/game/Player.java b/src/dev/kske/chess/game/Player.java
index 8163532..0b88f9d 100644
--- a/src/dev/kske/chess/game/Player.java
+++ b/src/dev/kske/chess/game/Player.java
@@ -7,7 +7,9 @@ import dev.kske.chess.board.Piece.Color;
  * Project: <strong>Chess</strong><br>
  * File: <strong>Player.java</strong><br>
  * Created: <strong>06.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public abstract class Player {
 
diff --git a/src/dev/kske/chess/game/UCIPlayer.java b/src/dev/kske/chess/game/UCIPlayer.java
index 369c16d..2aa320d 100644
--- a/src/dev/kske/chess/game/UCIPlayer.java
+++ b/src/dev/kske/chess/game/UCIPlayer.java
@@ -12,7 +12,9 @@ import dev.kske.chess.uci.UCIListener;
  * Project: <strong>Chess</strong><br>
  * File: <strong>UCIPlayer.java</strong><br>
  * Created: <strong>18.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.3-alpha
+ * @author Kai S. K. Engelbart
  */
 public class UCIPlayer extends Player implements UCIListener {
 
diff --git a/src/dev/kske/chess/game/ai/AIPlayer.java b/src/dev/kske/chess/game/ai/AIPlayer.java
index dcae0c5..7e8c015 100644
--- a/src/dev/kske/chess/game/ai/AIPlayer.java
+++ b/src/dev/kske/chess/game/ai/AIPlayer.java
@@ -19,7 +19,9 @@ import dev.kske.chess.game.Player;
  * Project: <strong>Chess</strong><br>
  * File: <strong>AIPlayer.java</strong><br>
  * Created: <strong>06.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class AIPlayer extends Player {
 
diff --git a/src/dev/kske/chess/game/ai/MoveProcessor.java b/src/dev/kske/chess/game/ai/MoveProcessor.java
index 5042b0d..f683983 100644
--- a/src/dev/kske/chess/game/ai/MoveProcessor.java
+++ b/src/dev/kske/chess/game/ai/MoveProcessor.java
@@ -11,7 +11,9 @@ import dev.kske.chess.board.Piece.Color;
  * Project: <strong>Chess</strong><br>
  * File: <strong>MoveProcessor.java</strong><br>
  * Created: <strong>08.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class MoveProcessor implements Callable<ProcessingResult> {
 
diff --git a/src/dev/kske/chess/game/ai/ProcessingResult.java b/src/dev/kske/chess/game/ai/ProcessingResult.java
index 0740f87..951ac71 100644
--- a/src/dev/kske/chess/game/ai/ProcessingResult.java
+++ b/src/dev/kske/chess/game/ai/ProcessingResult.java
@@ -6,7 +6,9 @@ import dev.kske.chess.board.Move;
  * Project: <strong>Chess</strong><br>
  * File: <strong>ProcessingResult.java</strong><br>
  * Created: <strong>08.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class ProcessingResult {
 
diff --git a/src/dev/kske/chess/io/EngineUtil.java b/src/dev/kske/chess/io/EngineUtil.java
index 608006e..4c82842 100644
--- a/src/dev/kske/chess/io/EngineUtil.java
+++ b/src/dev/kske/chess/io/EngineUtil.java
@@ -16,7 +16,10 @@ import dev.kske.chess.uci.UCIListener;
  * Project: <strong>Chess</strong><br>
  * File: <strong>MenuBar.java</strong><br>
  * Created: <strong>23.07.2019</strong><br>
- * Author: <strong>Leon Hofmeister</strong>
+ * 
+ * @since Chess v0.2-alpha
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
  */
 public class EngineUtil {
 
diff --git a/src/dev/kske/chess/io/TextureUtil.java b/src/dev/kske/chess/io/TextureUtil.java
index 58fc621..25ac288 100644
--- a/src/dev/kske/chess/io/TextureUtil.java
+++ b/src/dev/kske/chess/io/TextureUtil.java
@@ -15,7 +15,9 @@ import dev.kske.chess.board.Piece;
  * Project: <strong>Chess</strong><br>
  * File: <strong>TextureUtil.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class TextureUtil {
 
@@ -39,7 +41,6 @@ public class TextureUtil {
 		return scaledTextures.get(key);
 	}
 
-	
 	/**
 	 * Scales all piece textures to fit the current tile size.
 	 * 
@@ -47,8 +48,7 @@ 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)));
 	}
 
 	/**
diff --git a/src/dev/kske/chess/pgn/PGNDatabase.java b/src/dev/kske/chess/pgn/PGNDatabase.java
index 281e962..c29598e 100644
--- a/src/dev/kske/chess/pgn/PGNDatabase.java
+++ b/src/dev/kske/chess/pgn/PGNDatabase.java
@@ -12,7 +12,9 @@ import dev.kske.chess.exception.ChessException;
  * Project: <strong>Chess</strong><br>
  * File: <strong>PGNDatabase.java</strong><br>
  * Created: <strong>4 Oct 2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.5-alpha
+ * @author Kai S. K. Engelbart
  */
 public class PGNDatabase {
 
diff --git a/src/dev/kske/chess/pgn/PGNGame.java b/src/dev/kske/chess/pgn/PGNGame.java
index 6293976..575fb75 100644
--- a/src/dev/kske/chess/pgn/PGNGame.java
+++ b/src/dev/kske/chess/pgn/PGNGame.java
@@ -14,7 +14,9 @@ import dev.kske.chess.exception.ChessException;
  * Project: <strong>Chess</strong><br>
  * File: <strong>PGNGame.java</strong><br>
  * Created: <strong>22 Sep 2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.5-alpha
+ * @author Kai S. K. Engelbart
  */
 public class PGNGame {
 
diff --git a/src/dev/kske/chess/uci/UCIHandle.java b/src/dev/kske/chess/uci/UCIHandle.java
index d9dd77a..c810166 100644
--- a/src/dev/kske/chess/uci/UCIHandle.java
+++ b/src/dev/kske/chess/uci/UCIHandle.java
@@ -7,7 +7,9 @@ import java.io.PrintWriter;
  * Project: <strong>Chess</strong><br>
  * File: <strong>UCIHandle.java</strong><br>
  * Created: <strong>18.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.3-alpha
+ * @author Kai S. K. Engelbart
  */
 public class UCIHandle {
 
diff --git a/src/dev/kske/chess/uci/UCIInfo.java b/src/dev/kske/chess/uci/UCIInfo.java
index c68f4f4..8909c7d 100644
--- a/src/dev/kske/chess/uci/UCIInfo.java
+++ b/src/dev/kske/chess/uci/UCIInfo.java
@@ -10,12 +10,13 @@ import dev.kske.chess.board.Move;
  * Project: <strong>Chess</strong><br>
  * File: <strong>UCIInfo.java</strong><br>
  * Created: <strong>28.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.3-alpha
+ * @author Kai S. K. Engelbart
  */
 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, refutation, currline;
 	private Move		currmove;
 	private Score		score;
diff --git a/src/dev/kske/chess/uci/UCIListener.java b/src/dev/kske/chess/uci/UCIListener.java
index 736d8ef..9d8b727 100644
--- a/src/dev/kske/chess/uci/UCIListener.java
+++ b/src/dev/kske/chess/uci/UCIListener.java
@@ -6,7 +6,9 @@ import dev.kske.chess.board.Move;
  * Project: <strong>Chess</strong><br>
  * File: <strong>UCIListener.java</strong><br>
  * Created: <strong>19.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.3-alpha
+ * @author Kai S. K. Engelbart
  */
 public interface UCIListener {
 
@@ -53,6 +55,7 @@ public interface UCIListener {
 	 * The engine will check the copy protection now.
 	 */
 	default void onCopyProtectionChecking() {}
+
 	/**
 	 * The engine has successfully checked the copy protection.
 	 */
diff --git a/src/dev/kske/chess/uci/UCIOption.java b/src/dev/kske/chess/uci/UCIOption.java
index eab40bd..ed38017 100644
--- a/src/dev/kske/chess/uci/UCIOption.java
+++ b/src/dev/kske/chess/uci/UCIOption.java
@@ -9,7 +9,9 @@ import java.util.StringJoiner;
  * Project: <strong>Chess</strong><br>
  * File: <strong>UCIOption.java</strong><br>
  * Created: <strong>22.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.3-alpha
+ * @author Kai S. K. Engelbart
  */
 public class UCIOption {
 
diff --git a/src/dev/kske/chess/uci/UCIReceiver.java b/src/dev/kske/chess/uci/UCIReceiver.java
index 06ba8d6..1d80b6b 100644
--- a/src/dev/kske/chess/uci/UCIReceiver.java
+++ b/src/dev/kske/chess/uci/UCIReceiver.java
@@ -13,7 +13,9 @@ import dev.kske.chess.board.Move;
  * Project: <strong>Chess</strong><br>
  * File: <strong>UCIReceiver.java</strong><br>
  * Created: <strong>19.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.3-alpha
+ * @author Kai S. K. Engelbart
  */
 public class UCIReceiver implements Runnable {
 
@@ -129,15 +131,9 @@ public class UCIReceiver implements Runnable {
 		}
 	}
 
-	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)))); }
 
-	public void addListener(UCIListener listener) {
-		listeners.add(listener);
-	}
+	public void addListener(UCIListener listener) { listeners.add(listener); }
 }
diff --git a/src/dev/kske/chess/ui/AIConfigDialog.java b/src/dev/kske/chess/ui/AIConfigDialog.java
index 5086f89..64515cb 100644
--- a/src/dev/kske/chess/ui/AIConfigDialog.java
+++ b/src/dev/kske/chess/ui/AIConfigDialog.java
@@ -12,8 +12,11 @@ import javax.swing.SpinnerNumberModel;
  * Project: <strong>Chess</strong><br>
  * File: <strong>AIConfigDialog.java</strong><br>
  * Created: <strong>16.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
+@Deprecated
 public class AIConfigDialog extends JDialog {
 
 	private static final long serialVersionUID = -8047984368152479992L;
diff --git a/src/dev/kske/chess/ui/BoardComponent.java b/src/dev/kske/chess/ui/BoardComponent.java
index 802af23..b4120c8 100644
--- a/src/dev/kske/chess/ui/BoardComponent.java
+++ b/src/dev/kske/chess/ui/BoardComponent.java
@@ -12,11 +12,13 @@ import dev.kske.chess.io.TextureUtil;
  * Project: <strong>Chess</strong><br>
  * File: <strong>BoardComponent.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong><br>
  * <br>
  * A square panel for rendering the chess board. To work correctly,
  * this must be added to a parent component that allows the child to decide the
  * size.
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class BoardComponent extends JComponent {
 
@@ -48,8 +50,8 @@ public class BoardComponent extends JComponent {
 		// Draw the pieces if a board is present
 		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);
+				if (board.getBoardArr()[i][j] != null)
+					g.drawImage(TextureUtil.getPieceTexture(board.getBoardArr()[i][j]), i * tileSize, j * tileSize, this);
 	}
 
 	public int getTileSize() { return boardPane.getTileSize(); }
diff --git a/src/dev/kske/chess/ui/BoardPane.java b/src/dev/kske/chess/ui/BoardPane.java
index a36ab97..cb9740e 100644
--- a/src/dev/kske/chess/ui/BoardPane.java
+++ b/src/dev/kske/chess/ui/BoardPane.java
@@ -8,7 +8,9 @@ import javax.swing.JLayeredPane;
  * Project: <strong>Chess</strong><br>
  * File: <strong>BoardPane.java</strong><br>
  * Created: <strong>08.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class BoardPane extends JLayeredPane {
 
diff --git a/src/dev/kske/chess/ui/DialogUtil.java b/src/dev/kske/chess/ui/DialogUtil.java
index f591881..9a70d7c 100644
--- a/src/dev/kske/chess/ui/DialogUtil.java
+++ b/src/dev/kske/chess/ui/DialogUtil.java
@@ -23,7 +23,9 @@ import dev.kske.chess.io.EngineUtil;
  * Project: <strong>Chess</strong><br>
  * File: <strong>DialogUtil.java</strong><br>
  * Created: <strong>24.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.3-alpha
+ * @author Kai S. K. Engelbart
  */
 public class DialogUtil {
 
diff --git a/src/dev/kske/chess/ui/GameDropTarget.java b/src/dev/kske/chess/ui/GameDropTarget.java
index c6da82b..4419495 100644
--- a/src/dev/kske/chess/ui/GameDropTarget.java
+++ b/src/dev/kske/chess/ui/GameDropTarget.java
@@ -13,7 +13,9 @@ import java.util.List;
  * Project: <strong>Chess</strong><br>
  * File: <strong>GameDropTarget.java</strong><br>
  * Created: <strong>13 Aug 2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.3-alpha
+ * @author Kai S. K. Engelbart
  */
 public class GameDropTarget extends DropTargetAdapter {
 
diff --git a/src/dev/kske/chess/ui/GamePane.java b/src/dev/kske/chess/ui/GamePane.java
index c07f59e..8d537d2 100644
--- a/src/dev/kske/chess/ui/GamePane.java
+++ b/src/dev/kske/chess/ui/GamePane.java
@@ -29,7 +29,9 @@ import dev.kske.chess.game.NaturalPlayer;
  * Project: <strong>Chess</strong><br>
  * File: <strong>GamePane.java</strong><br>
  * Created: <strong>23.08.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.4-alpha
+ * @author Kai S. K. Engelbart
  */
 public class GamePane extends JComponent {
 
diff --git a/src/dev/kske/chess/ui/MainWindow.java b/src/dev/kske/chess/ui/MainWindow.java
index cb6271f..efa318c 100644
--- a/src/dev/kske/chess/ui/MainWindow.java
+++ b/src/dev/kske/chess/ui/MainWindow.java
@@ -24,7 +24,9 @@ import dev.kske.chess.pgn.PGNGame;
  * Project: <strong>Chess</strong><br>
  * File: <strong>MainWindow.java</strong><br>
  * Created: <strong>01.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class MainWindow extends JFrame {
 
diff --git a/src/dev/kske/chess/ui/MenuBar.java b/src/dev/kske/chess/ui/MenuBar.java
index a224268..84c3c15 100644
--- a/src/dev/kske/chess/ui/MenuBar.java
+++ b/src/dev/kske/chess/ui/MenuBar.java
@@ -17,7 +17,9 @@ import dev.kske.chess.io.EngineUtil;
  * Project: <strong>Chess</strong><br>
  * File: <strong>MenuBar.java</strong><br>
  * Created: <strong>16.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class MenuBar extends JMenuBar {
 
diff --git a/src/dev/kske/chess/ui/MoveNodeRenderer.java b/src/dev/kske/chess/ui/MoveNodeRenderer.java
index 26b1b99..f78bea5 100644
--- a/src/dev/kske/chess/ui/MoveNodeRenderer.java
+++ b/src/dev/kske/chess/ui/MoveNodeRenderer.java
@@ -15,6 +15,7 @@ import dev.kske.chess.board.MoveNode;
  * File: <strong>MoveNodeRenderer.java</strong><br>
  * Created: <strong>9 Oct 2019</strong><br>
  * 
+ * @since Chess v0.5-alpha
  * @author Kai S. K. Engelbart
  */
 public class MoveNodeRenderer extends JLabel implements ListCellRenderer<MoveNode> {
diff --git a/src/dev/kske/chess/ui/OverlayComponent.java b/src/dev/kske/chess/ui/OverlayComponent.java
index a0be894..b011281 100644
--- a/src/dev/kske/chess/ui/OverlayComponent.java
+++ b/src/dev/kske/chess/ui/OverlayComponent.java
@@ -20,7 +20,9 @@ import dev.kske.chess.board.Position;
  * Project: <strong>Chess</strong><br>
  * File: <strong>OverlayComponent.java</strong><br>
  * Created: <strong>08.07.2019</strong><br>
- * Author: <strong>Kai S. K. Engelbart</strong>
+ * 
+ * @since Chess v0.1-alpha
+ * @author Kai S. K. Engelbart
  */
 public class OverlayComponent extends JComponent {