diff --git a/src/main/java/com/fathzer/jchess/swing/GameSession.java b/src/main/java/com/fathzer/jchess/swing/GameSession.java
index 659035a..90acba0 100644
--- a/src/main/java/com/fathzer/jchess/swing/GameSession.java
+++ b/src/main/java/com/fathzer/jchess/swing/GameSession.java
@@ -29,7 +29,7 @@
 @Slf4j
 public class GameSession {
 	public enum State {
-		PAUSED, RUNNING, ENDED
+		CREATED, PAUSED, RUNNING, ENDED
 	}
 	
 	private final GamePanel panel;
@@ -44,7 +44,7 @@ public enum State {
 
 	public GameSession(GamePanel panel, GameSettings settings) {
 		this.panel = panel;
-		this.state = new Observable<>(State.ENDED);
+		this.state = new Observable<>(State.CREATED);
 		state.addListener(this::onStateChanged);
 		panel.getBoard().addPropertyChangeListener(ChessBoardPanel.TARGET, evt -> onMove((Move) evt.getNewValue()));
 		panel.setResignationHandler(this::resign);
@@ -52,19 +52,6 @@ public GameSession(GamePanel panel, GameSettings settings) {
 		gameCount = 0;
 	}
 	
-	private void firstGame() {
-		this.gameCount = 0;
-		initGame();
-		panel.getBoard().setReverted(Color.BLACK.equals(player1Color));
-		setEngine(player1Color, getEngine(settings.getVariant(), settings.getPlayer1().getEngine()));
-		setEngine(player1Color.opposite(), getEngine(settings.getVariant(), settings.getPlayer2().getEngine()));
-		if (onlyHumans()) {
-			panel.getBoard().setUpsideDownColor(player1Color.opposite());
-		}
-		panel.getBoard().setShowPossibleMoves(settings.isShowPossibleMoves());
-		panel.getBoard().setTouchMove(settings.isTouchMove());
-	}
-	
 	private void onStateChanged(State old, State current) {
 		log.debug("State changed from {} to {}", old,current);
 		if (State.RUNNING.equals(current)) {
@@ -186,7 +173,14 @@ private Function<Board<Move>, Move> getEngine(Color color) {
 	
 	public void start() {
 		if (State.ENDED.equals(getState())) {
-			firstGame();
+			this.gameCount = 0;
+			initGame();
+		}
+		setEngine(player1Color, getEngine(settings.getVariant(), settings.getPlayer1().getEngine()));
+		setEngine(player1Color.opposite(), getEngine(settings.getVariant(), settings.getPlayer2().getEngine()));
+		panel.getBoard().setReverted(Color.BLACK.equals(player1Color));
+		if (onlyHumans()) {
+			panel.getBoard().setUpsideDownColor(player1Color.opposite());
 		}
 		setState(State.RUNNING);
 	}
@@ -216,12 +210,11 @@ private void play(Game game, Move move) {
 		});
 	}
 
-	
 	public State getState() {
 		return this.state.getValue();
 	}
 	
-	public void setState(State state) {
+	private void setState(State state) {
 		this.state.setValue(state);
 	}
 
@@ -301,15 +294,20 @@ public void stop() {
 	}
 
 	public void setSettings(GameSettings settings) {
-		if (!State.ENDED.equals(getState())) {
-			throw new IllegalStateException("Can't change the game settings dutring the game");
+		if (State.RUNNING.equals(getState()) || State.PAUSED.equals(getState())) {
+			throw new IllegalStateException("Can't change the game settings during the game");
 		}
 		this.settings = settings;
 		this.rules = settings.getVariant().getRules();
 		panel.getBoard().setChessRules(rules);
 		panel.setPlayer1Human(settings.getPlayer1().getEngine()==null);
 		panel.setPlayer2Human(settings.getPlayer2().getEngine()==null);
+		panel.getBoard().setShowPossibleMoves(settings.isShowPossibleMoves());
+		panel.getBoard().setTouchMove(settings.isTouchMove());
 		player1Color = settings.getPlayer1Color().getColor();
+		if (onlyHumans()) {
+			panel.getBoard().setUpsideDownColor(player1Color.opposite());
+		}
 		initGame();
 	}
 }
diff --git a/src/main/java/com/fathzer/jchess/swing/JChess.java b/src/main/java/com/fathzer/jchess/swing/JChess.java
index d71b446..445430f 100644
--- a/src/main/java/com/fathzer/jchess/swing/JChess.java
+++ b/src/main/java/com/fathzer/jchess/swing/JChess.java
@@ -53,7 +53,7 @@ public void actionPerformed(ActionEvent e) {
 
 			@Override
 			public void actionPerformed(ActionEvent e) {
-				newGame();
+				startGame();
 			}
 		};
 		panel.setPlayAction(() -> this.startAction.actionPerformed(null));
@@ -118,7 +118,7 @@ protected JMenuBar buildMenuBar() {
 		return bar;
 	}
 
-	private void newGame() {
+	private void startGame() {
 		this.startAction.setEnabled(false);
 		this.panel.setMenuVisible(false);
 		this.game.start();
diff --git a/src/main/java/com/fathzer/jchess/swing/MenuPanel.java b/src/main/java/com/fathzer/jchess/swing/MenuPanel.java
index c2dfe43..a93d1f6 100644
--- a/src/main/java/com/fathzer/jchess/swing/MenuPanel.java
+++ b/src/main/java/com/fathzer/jchess/swing/MenuPanel.java
@@ -21,10 +21,10 @@ public class MenuPanel extends JPanel {
 
 	private final JButton settings;
 	@Setter
-	private Runnable settingsAction;
+	private transient Runnable settingsAction;
 	private final JButton play;
 	@Setter
-	private Runnable playAction;
+	private transient Runnable playAction;
 
 	/**
 	 * Create the panel.