Insight · ★★★☆☆ · ~4 min
Domino Covering Impossibility
Remove two opposite corners of a chessboard. Can 31 dominoes cover the rest?
by MindYourPuzzle
An 8×8 chessboard can be covered by 32 dominoes (2×1 tiles). Remove two diagonally opposite corner squares.
Can the remaining 62 squares be covered by 31 dominoes?
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