2025-08-15 16:03:03 +0300 MSK

Determine Color of a Chessboard Square
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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