private int getScoreIncrement(int redCount, int blackCount, char player) {
        if (redCount == blackCount) {
            if (player == Board.MARK_RED) {
                return -1;
            }
            return 1;
        } else if (redCount < blackCount) {
            if (player == Board.MARK_RED) {
                return INCREMENT[blackCount] - INCREMENT[redCount];
            }
            return INCREMENT[blackCount + 1] - INCREMENT[redCount];
        } else {
            if (player == Board.MARK_RED) {
                return -INCREMENT[redCount + 1] + INCREMENT[blackCount];
            }
            return -INCREMENT[redCount] + INCREMENT[blackCount];
        }
    }