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Puzzles (3 cohencoins award for each match):

Puzzle tcGoN: 241

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/oNeIquRv"] [Date "2026.03.07"] [White "Matilda"] [Black "Rishi"] [Result "1-0"] [UTCDate "2026.03.07"] [UTCTime "18:45:26"] [WhiteElo "1401"] [BlackElo "1385"] [WhiteRatingDiff "+18"] [BlackRatingDiff "-9"] [WhiteTitle "⛸"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C41"] [Opening "Philidor Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 d6 3. Bc4 { C41 Philidor Defense } Be6 4. d3 Bxc4 5. dxc4 Nc6 6. Nc3 Qd7 7. Bg5 Be7 8. O-O?! { (0.56 → -0.11) Inaccuracy. Be3 was best. } (8. Be3 f5) 8... O-O-O?! { (-0.11 → 0.75) Inaccuracy. Bxg5 was best. } (8... Bxg5 9. Nxg5) 9. Nb5? { (0.75 → -0.67) Mistake. Be3 was best. } (9. Be3 f5 10. exf5 Qxf5 11. Nd5 Bf6 12. c3 Nge7 13. Qa4 a6 14. b4 Nxd5 15. cxd5 e4) 9... Kb8 10. a4 Nb4?? { (-0.60 → 1.09) Blunder. Bxg5 was best. } (10... Bxg5 11. Nxg5 f5 12. Nc3 Qe7 13. Nf3 fxe4 14. Nd2 Qf7 15. b3 Nf6 16. Ndxe4 Nd4 17. Qd2) 11. a5?! { (1.09 → 0.09) Inaccuracy. Be3 was best. } (11. Be3 c5) 11... Nf6? { (0.09 → 1.22) Mistake. Bxg5 was best. } (11... Bxg5 12. Nxg5) 12. c3 Nc6?! { (1.06 → 1.70) Inaccuracy. Na6 was best. } (12... Na6 13. Re1) 13. a6 bxa6?? { (1.56 → 8.66) Blunder. b6 was best. } (13... b6) 14. Rxa6 Kb7 15. Ra4?! { (8.67 → 5.44) Inaccuracy. Qa4 was best. } (15. Qa4 Ra8) 15... Nxe4?! { (5.44 → 8.61) Inaccuracy. a5 was best. } (15... a5 16. Qb3) 16. Bxe7 Qxe7 17. Qb3?? { (10.94 → -2.77) Blunder. Nxa7 was best. } (17. Nxa7 Nd2) 17... Nc5 18. Nxd6+?? { (-2.30 → -4.67) Blunder. Qa2 was best. } (18. Qa2) 18... Ka8 19. Rxa7+? { (-4.16 → -7.53) Mistake. Qa2 was best. } (19. Qa2) 19... Kxa7?? { (-7.53 → Mate in 3) Checkmate is now unavoidable. Nxa7 was best. } (19... Nxa7 20. Nf5) 20. Ra1+ Na6 21. Qb7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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