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Hard Chess Puzzles

Play and solve advanced, hard, difficult and plain nasty chess puzzles for advanced chess players. You’ll find solutions and historical details and you can play each puzzle live against the computer.

diagram of Viktor Korchnoi vs. Peterson chess puzzle

Viktor Korchnoi vs. Peterson

Viktor Korchnoi vs. Peterson, Kiev, 1964. White to move and win in 4.

diagram of Li vs. Alitha chess puzzle

Li vs. Alitha

Hard puzzle, mate in 5, white to move.

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