Chess.com on X: This mate in four is rated an insane 3952 by our puzzle algorithm. Can you solve it? 🤔 White to move. / X
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Mate in 290: This Was The Longest Checkmate Ever!
Virality_predictor/workset.csv at master · keshav1998

The longest checkmate problem - 290 move - Chess Forums

Mate in 290: This Was The Longest Checkmate Ever!

Chess Puzzle Nr. 319, Mate in three, White to move.

Fernando Bonito (@fbbonito) / X
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Mate in 290: This Was The Longest Checkmate Ever!

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