refactor game

app/src/main/java/chess/model/Game.java

@@ -52,9 +52,8 @@ public class Game {
 		if (destY != enemyLine)
 			return false;
 
-		OnPromote.emit(pieceCoords);
+		this.OnPromote.emit(pieceCoords);
 		return true;
-
 	}
 
 	/**
@@ -62,22 +61,21 @@ public class Game {
 	 * @return true if game should end
 	 */
 	public boolean checkGameStatus() {
-		final ChessBoard board = getBoard();
-
 		final Color enemy = Color.getEnemy(getPlayerTurn());
 
-		if (board.isKingInCheck(enemy)) {
-			if (board.hasAllowedMoves(enemy)) {
-				OnCheck.emit();
+		if (this.board.isKingInCheck(enemy)) {
+			if (this.board.hasAllowedMoves(enemy)) {
+				this.OnCheck.emit();
 			} else {
-				OnMat.emit();
-				OnWin.emit(getPlayerTurn());
+				this.OnMat.emit();
+				this.OnWin.emit(getPlayerTurn());
 				return true;
 			}
 		} else if (!board.hasAllowedMoves(enemy)) {
-			OnPat.emit();
+			this.OnPat.emit();
 			return true;
 		}
+
 		return false;
 	}
 
@@ -91,7 +89,7 @@ public class Game {
 		int enemyLineY = color == Color.White ? 0 : 7;
 
 		for (int x = 0; x < Coordinate.VALUE_MAX; x++) {
-			if(checkPromotion(new Coordinate(x, enemyLineY)))
+			if (checkPromotion(new Coordinate(x, enemyLineY)))
 				return true;
 		}