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Puzzles (3 cohencoins award for each match):

Puzzle LsAOp: 523

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/XpxZOLn9"] [Date "2026.01.30"] [White "Summer"] [Black "David3"] [Result "0-1"] [UTCDate "2026.01.30"] [UTCTime "21:39:20"] [WhiteElo "1417"] [BlackElo "1481"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+11"] [WhiteTitle "🥟"] [BlackTitle "IM🔱"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B10"] [Opening "Caro-Kann Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c6 { B10 Caro-Kann Defense } 2. Qf3 d5 3. exd5 cxd5 4. Nc3 Nf6 5. Bb5+ Nc6 6. Nh3?? { (-0.87 → -2.58) Blunder. d4 was best. } (6. d4 Bg4 7. Qg3 e6 8. Nf3 Bxf3 9. Qxf3 Rc8 10. Qd3 a6 11. Bxc6+ Rxc6 12. Ne2 Bd6) 6... g6?! { (-2.58 → -1.96) Inaccuracy. e5 was best. } (6... e5 7. d3 Be7 8. Bg5 Be6 9. Qg3 h6 10. Bxc6+ bxc6 11. Bd2 Ng4 12. O-O Bh4 13. Qf3) 7. Ng5?! { (-1.96 → -2.81) Inaccuracy. O-O was best. } (7. O-O Bg7 8. Nf4 Bg4 9. Qg3 Bf5 10. d4 Bxc2 11. f3 O-O 12. Qf2 Bf5 13. Rd1) 7... Bg7 8. O-O O-O 9. d3? { (-2.79 → -5.11) Mistake. Bxc6 was best. } (9. Bxc6 bxc6) 9... Bg4?! { (-5.11 → -3.85) Inaccuracy. Nd4 was best. } (9... Nd4) 10. Qf4 e6?? { (-3.62 → -0.78) Blunder. e5 was best. } (10... e5 11. Qd2) 11. h3?! { (-0.78 → -1.34) Inaccuracy. Bxc6 was best. } (11. Bxc6 bxc6 12. h3 Bf5 13. Qh2 h6 14. Nf3 g5 15. Ne5 Rc8 16. g4 Bg6 17. Re1 Re8) 11... Bf5 12. Bxc6 bxc6 13. Re1?! { (-1.03 → -1.68) Inaccuracy. Qh2 was best. } (13. Qh2 d4 14. Na4 h6 15. Nf3 g5 16. Ne5 Nd5 17. b3 Re8 18. f4 Ne3 19. Bxe3 dxe3) 13... Re8?! { (-1.68 → -1.07) Inaccuracy. e5 was best. } (13... e5) 14. Be3?? { (-1.07 → -6.33) Blunder. Nf3 was best. } (14. Nf3 Nd7) 14... Bf8?? { (-6.33 → -0.82) Blunder. e5 was best. } (14... e5 15. Qh4 d4 16. g4 Be6 17. Nce4 dxe3 18. Nxf6+ Qxf6 19. Qxh7+ Kf8 20. Nxe6+ Rxe6 21. Rxe3) 15. a4?? { (-0.82 → -5.09) Blunder. Nf3 was best. } (15. Nf3 Nd7) 15... Bd6?? { (-5.09 → -0.79) Blunder. e5 was best. } (15... e5 16. Qh4) 16. Qf3?? { (-0.79 → -3.19) Blunder. Qh4 was best. } (16. Qh4 h5) 16... Rb8?? { (-3.19 → -0.03) Blunder. e5 was best. } (16... e5 17. Rad1) 17. Reb1?? { (-0.03 → -3.38) Blunder. g4 was best. } (17. g4 h6 18. gxf5 exf5 19. Nxf7 Kxf7 20. Bxa7 Rxb2 21. Rxe8 Nxe8 22. Ne2 Rxc2 23. a5 Nc7) 17... Qe7?? { (-3.38 → -0.99) Blunder. Rb4 was best. } (17... Rb4 18. Ne2 h6 19. Nd4 hxg5 20. Nxc6 g4 21. Nxd8 gxf3 22. Nc6 Rb7 23. g4 Bxg4 24. hxg4) 18. Bxa7?? { (-0.99 → -7.98) Blunder. Nge4 was best. } (18. Nge4) 18... Qxa7 19. Re1 Qe7 20. a5 Rxb2 21. Rec1 Rbb8 22. a6 Ra8 23. d4 c5 24. dxc5 Bxc5 25. Ra5 Bb4 26. Ra4 Bxc3 27. Qxc3 Rec8 28. Qb3 Rcb8 29. Qc3 Qd7?? { (-7.16 → 1.12) Blunder. e5 was best. } (29... e5 30. a7) 30. Rb1?? { (1.12 → -19.31) Blunder. Qxf6 was best. } (30. Qxf6 Ra7 31. Ra3 Qc7 32. Nf3 e5 33. Qxe5 Qxe5 34. Nxe5 Rba8 35. Rca1 Bc8 36. Nc6 Rxa6) 30... Rxb1+ 31. Kh2 Qxa4 32. Qxf6?! { (-19.61 → Mate in 2) Checkmate is now unavoidable. Qc7 was best. } (32. Qc7 Nd7 33. f4 Qc4 34. Qxc4 dxc4 35. g4 Bxc2 36. Nf3 Bd3 37. h4 Rxa6 38. h5 Rc1) 32... Qf4+ 33. g3 Qxf2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting