2025-08-15 13:03:03 +0000 UTC

Determine Color of a Chessboard Square

Code

class Solution:
    def squareIsWhite(self, coordinates: str) -> bool:
        col = ord(coordinates[0]) - 97
        row = int(coordinates[1])
        if row % 2 == 0:
            return col % 2 == 0
        return col % 2 != 0