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Puzzles (3 cohencoins award for each match):

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/p0ejwAcA"] [Date "2026.05.12"] [White "Cora"] [Black "elijah13"] [Result "1-0"] [UTCDate "2026.05.12"] [UTCTime "20:02:50"] [WhiteElo "1397"] [BlackElo "1248"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-20"] [WhiteTitle "๐Ÿงถ"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 Nc6 2. Nf3 d5 { D02 Queen's Pawn Game: Chigorin Variation } 3. Nc3?! { (0.87 โ†’ 0.09) Inaccuracy. c4 was best. } (3. c4 e6 4. Nc3 Nf6 5. a3 a6 6. e3 Be7 7. Qc2 b6 8. b4 dxc4 9. Bxc4 Bb7) 3... Nf6 4. Bg5 h6 5. Bxf6 exf6 6. e3 Bb4 7. Qd2 Bxc3 8. Qxc3 O-O 9. O-O-O Bf5 10. Qb3?! { (0.22 โ†’ -0.44) Inaccuracy. Rg1 was best. } (10. Rg1 Qd6) 10... Qd6 11. Qxb7?? { (-0.54 โ†’ -3.20) Blunder. Bd3 was best. } (11. Bd3 Bxd3) 11... Rab8 12. Qa6 Nb4?? { (-3.67 โ†’ 0.28) Blunder. Bxc2 was best. } (12... Bxc2 13. Rd2 Rb6 14. Qa3 Qxa3 15. bxa3 Be4 16. Rb2 Rxb2 17. Kxb2 Rb8+ 18. Kc3 Rb1 19. Nd2) 13. Qxd6 cxd6 14. Kb1?? { (0.00 โ†’ -9.84) Blunder. b3 was best. } (14. b3 Rfc8 15. Rd2 Nxa2+ 16. Kb2 Nc3 17. Nh4 Bd7 18. Bd3 g6 19. Ra1 Na4+ 20. Ka3 Nc3) 14... Bxc2+ 15. Kc1 Bxd1 16. Kxd1 Nxa2 17. Bd3 Rxb2 18. Rf1 Nc3+ 19. Kc1 Na4 20. Bc2 Nc3?? { (-9.50 โ†’ 6.00) Blunder. Rc8 was best. } (20... Rc8 21. Ne1) 21. Kxb2 Rc8 22. Bf5 Rb8+ 23. Kxc3 g6 24. Bd7 Rd8 25. Bb5 Rb8 26. Rb1 Rc8+ 27. Kb4 g5 28. Ne1 g4 29. g3 Ra8 30. Nd3 a6 31. Bxa6 Rxa6 32. Kc3 Ra3+ 33. Kc2 f5 34. Nf4 Ra2+ 35. Rb2 Ra4 36. Nxd5 Ra5 37. Ne7+ Kf8 38. Nxf5?? { (7.86 โ†’ 1.87) Blunder. Nc6 was best. } (38. Nc6 Ra8) 38... Rxf5 39. Kd3 d5? { (0.97 โ†’ 2.41) Mistake. Ke7 was best. } (39... Ke7 40. Ke4 Ke6 41. Rc2 h5 42. Rd2 h4 43. d5+ Kf6 44. gxh4 Rh5 45. Kf4 Rxh4 46. Rc2) 40. Rb8+ Ke7 41. Ke2 Rh5 42. Rb7+ Kd6?? { (2.54 โ†’ 5.98) Blunder. Ke6 was best. } (42... Ke6 43. Rb6+ Ke7 44. Rb5 Rg5 45. Kf1 Kf6 46. f4 gxf3 47. Kf2 h5 48. Kxf3 Rf5+ 49. Kg2) 43. Rxf7 Rxh2 44. Rf4 h5 45. Rf6+ Ke7 46. Rf5 Ke6 47. Re5+ Kd6 48. Kf1 h4 49. gxh4 Rxh4 50. Kg2 Rh3 51. Rg5 Rh4 52. Kg3 { White wins on time. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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