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Mathematical questions in one way or another related to the game of chess.

5 votes
1 answer
135 views

Time to generate a filled-in sub-checkered board

Take an $m \times n$ checkered board and one-at-a-time add a piece to an empty square. At what point are you guaranteed to have an $s \times t$ sub-board where all of its squares are filled? Here I …
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