Method castlingAllowanceFen

src/main/java/game/Board.java:946–961

(boolean[][] canCastle)

    }

    private String castlingAllowanceFen(boolean[][] canCastle) {
        String result = "";
        if (canCastle[0][1]) {
            result = result + "K";
        }
        if (canCastle[0][0]) {
            result = result + "Q";
        }
        if (canCastle[1][1]) {
            result = result + "k";
        }
        if (canCastle[1][0]) {
            result = result + "q";
        }
        return result.equals("") ? "-" : result;
    }

    private static class Reference<T> {
        T object;