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Puzzles (3 cohencoins award for each match):

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/OQaLxWFw"] [Date "2026.03.27"] [White "Kristofer"] [Black "Benton"] [Result "1/2-1/2"] [UTCDate "2026.03.27"] [UTCTime "20:46:54"] [WhiteElo "1804"] [BlackElo "1990"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-4"] [WhiteTitle "GM😈"] [BlackTitle "GM☾"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nc6 { D02 Queen's Pawn Game: Chigorin Variation } 3. Bf4 Bf5 4. c3 e6 5. e3 Bd6 6. Bg3 Nf6 7. Nbd2 O-O 8. h3?? { (0.22 → -1.76) Blunder. Be2 was best. } (8. Be2 Ne7) 8... Ne4?? { (-1.76 → -0.12) Blunder. Bxg3 was best. } (8... Bxg3 9. fxg3) 9. Nxe4 Bxe4 10. Bd3? { (0.13 → -1.30) Mistake. Bxd6 was best. } (10. Bxd6 Qxd6 11. Be2 Bxf3 12. Bxf3 Ne7 13. O-O c6 14. Re1 g6 15. Qe2 Kg7 16. Rad1 Ng8) 10... Bxg3 11. fxg3 f5? { (-1.57 → -0.22) Mistake. Qd6 was best. } (11... Qd6 12. Kf2) 12. h4? { (-0.22 → -1.58) Mistake. O-O was best. } (12. O-O Qd6) 12... Qf6?! { (-1.58 → -0.70) Inaccuracy. Qd6 was best. } (12... Qd6 13. Kf2 Nd8 14. Rf1 Nf7 15. Be2 b6 16. b4 h6 17. b5 c5 18. bxc6 Qxc6 19. Rc1) 13. Qd2 Qg6 14. O-O-O? { (-0.80 → -1.99) Mistake. Kf2 was best. } (14. Kf2 e5) 14... Qxg3 15. Bxe4? { (-2.17 → -3.97) Mistake. h5 was best. } (15. h5 Rf6 16. Bc2 Qd6 17. h6 Rxh6 18. Rxh6 gxh6 19. Rh1 Kg7 20. Ng1 Ne7 21. Bxe4 dxe4) 15... fxe4 16. Ng5? { (-4.23 → -8.12) Mistake. Rh3 was best. } (16. Rh3) 16... Rf2 17. Qe1 Rxg2?? { (-8.14 → -0.94) Blunder. Qxg2 was best. } (17... Qxg2 18. Qxf2) 18. Qxg3 Rxg3 19. Nxe6 Rxe3 20. Nxc7? { (-0.78 → -1.89) Mistake. Rdg1 was best. } (20. Rdg1 g6) 20... Rc8?? { (-1.89 → 1.29) Blunder. Rd8 was best. } (20... Rd8 21. Rhf1) 21. Nxd5 Re2?? { (0.93 → 2.81) Blunder. Rf3 was best. } (21... Rf3 22. Rhe1 Rd8 23. Nc7 e3 24. Ne6 Re8 25. d5 Ne5 26. Rd4 g6 27. Ng5 h6 28. Ne6) 22. h5?? { (2.81 → 0.97) Blunder. Rhe1 was best. } (22. Rhe1 Rxe1) 22... Na5?? { (0.97 → 8.68) Blunder. Rf8 was best. } (22... Rf8 23. Rd2 Rxd2 24. Kxd2 Rf2+ 25. Ke3 Rxb2 26. a3 Ra2 27. Kxe4 Rxa3 28. Rb1 Nd8 29. Rf1) 23. Ne7+ Kf8 24. Nxc8 Nc4 25. Rhf1+ Ke8 26. Nxa7?! { (8.88 → 6.16) Inaccuracy. Rde1 was best. } (26. Rde1) 26... Rxb2 27. Rfe1 Rxa2 28. Rxe4+ Kd7 29. Nb5 Kc6 30. d5+ Kxb5 31. d6 Ra1+ 32. Kc2 Rxd1 33. Kxd1 Nxd6 34. Re7 g6 35. hxg6?? { (7.36 → 1.69) Blunder. h6 was best. } (35. h6) 35... hxg6 36. Re6?! { (1.75 → 1.05) Inaccuracy. Kc2 was best. } (36. Kc2) 36... Kc5 37. Rxg6 b5 38. Rg5+ Kc6? { (0.66 → 1.99) Mistake. Kc4 was best. } (38... Kc4 39. Kc2 Nb7 40. Rg4+ Kc5 41. Kd3 Na5 42. Rg5+ Kc6 43. Ke4 Nb3 44. Rd5 Kb6 45. Ke5) 39. Kc2 Nc4?? { (1.81 → 5.43) Blunder. Kb6 was best. } (39... Kb6 40. Kd3) 40. Kb3 Nd2+ 41. Kb4 Nc4 42. Rxb5 Nd6?! { (5.95 → 9.50) Inaccuracy. Ne3 was best. } (42... Ne3 43. Re5 Ng2 44. Re4 Kd5 45. Rg4 Ne3 46. c4+ Ke5 47. Rg3 Nxc4 48. Kxc4 Kf4 49. Rc3) 43. Rc5+ Kb6 44. c4 Ne4 45. Re5 Nf2 46. c5+ Kc6 47. Re6+ Kc7 48. Kb5?! { (55.96 → 5.43) Inaccuracy. Kb5 was best. } (48. Kb5 Nd1 49. c6 Nc3+ 50. Kb4 Nb1 51. Kc5 Nc3 52. Re7+ Kb8 53. Re3 Na4+ 54. Kb5 Nb2) 48... Nd3?! { (5.43 → 57.16) Inaccuracy. Nd1 was best. } (48... Nd1 49. Re1 Nc3+ 50. Kc4 Na4 51. Ra1 Nb2+ 52. Kc3 Kc6 53. Kxb2 Kxc5 54. Kc3 Kd5 55. Rg1) 49. c6 Nf4 50. Re7+ Kc8 51. Kb6?? { (66.62 → 0.00) Blunder. Kc5 was best. } (51. Kc5 Ng6 52. Re6 Nf4 53. Re8+ Kc7 54. Re7+ Kb8 55. c7+ Kb7 56. Kd6 Nd5 57. Kxd5 Kc8) 51... Nd5+ 52. Kc5 Nxe7 53. Kd6 Nxc6 { The game is a draw. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
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