Kacper Piorun (@gmsolver) header
Kacper Piorun (@gmsolver) profile picture

💫 Double Grandmaster in otb chess and chess solving, 🧩 6 times World Chess Solving Champion ♟️ 2 times Polish Chess Champion ♟️One Titled Tuesday's win

Joined March 2012
Puzzle of the week #44/2026: from Australian website OzProblems. Can You find mate in 3 for White in 2 minutes?
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2,604
Solution: Newly-promoted queen is trapped!
Puzzle of the week (#43/2026) : Small endgame magic by Yochanan Afek. White to play and win, good luck!
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4,152
Puzzle of the week (#43/2026) : Small endgame magic by Yochanan Afek. White to play and win, good luck!
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4,768
Solution: The knight-mare distraction 1.Nd6!!
In my collection of puzzles of the week it deserves the spot! White to play! ( Puzzle of the week #42/2026)
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Solution: It works so fluently on the phone
Puzzle of the week #41/2026: @Wfcc_Chess updated the layout of their website, which looks much better. They also offer daily puzzles. So here is one from today. White to play and mate in 2 moves, gl!
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Puzzle of the week #41/2026: @Wfcc_Chess updated the layout of their website, which looks much better. They also offer daily puzzles. So here is one from today. White to play and mate in 2 moves, gl!
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where 3....0-0 4.Rg1# seals the deal
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and after 1.....Na7 2.Qc6 dxc6 the key move for White is to castle! 3.0-0-0!
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after 1....0-0 2.Qa8! Black can't prevent both 3.Qg2# and 3.Qxf8+ Kxf8 4.Ra8#. The clearance of the long diagonal a8-h1 is called Bristol theme
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