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Puzzles (3 cohencoins award for each match):

Puzzle TQMJT: 851

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Z1AbsaTa"] [Date "2025.12.23"] [White "Trekker"] [Black "xavi"] [Result "0-1"] [UTCDate "2025.12.23"] [UTCTime "15:35:46"] [WhiteElo "1874"] [BlackElo "1790"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+7"] [WhiteTitle "GM🎅"] [BlackTitle "GM🥉"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Symmetrical Variation"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. b3 b6 { A01 Nimzo-Larsen Attack: Symmetrical Variation } 2. Bb2 Bb7 3. Nc3 Nc6 4. e4 e5 5. Nge2?! { (0.47 → -0.23) Inaccuracy. Nf3 was best. } (5. Nf3 Nf6 6. Bc4 Bc5 7. O-O O-O 8. a3 d6 9. b4 Bd4 10. d3 Ne7 11. Nxd4 exd4) 5... Bc5 6. a3 Nf6 7. b4 Bd4 8. Nxd4 Nxd4 9. Ne2? { (-0.07 → -1.43) Mistake. Bd3 was best. } (9. Bd3 d5 10. exd5 Nxd5 11. Qh5 Nf4 12. Qxe5+ Qe7 13. Qxe7+ Kxe7 14. Nd5+ Bxd5 15. Bxd4 Nxg2+) 9... Nxe2? { (-1.43 → -0.11) Mistake. Nxe4 was best. } (9... Nxe4) 10. Qxe2 d6 11. g3?? { (0.09 → -1.53) Blunder. f3 was best. } (11. f3 O-O) 11... Bxe4 12. f3 Bxc2 13. Qc4?! { (-1.76 → -2.97) Inaccuracy. d4 was best. } (13. d4 Ba4) 13... Bg6? { (-2.97 → -1.72) Mistake. Bf5 was best. } (13... Bf5 14. d4 Be6 15. Qc3 exd4 16. Qxd4 O-O 17. Bd3 c5 18. Qh4 h6 19. Rc1 Nh7 20. Qh5) 14. Qc6+ Nd7? { (-1.74 → -0.62) Mistake. Ke7 was best. } (14... Ke7 15. Rc1 Qd7 16. Qxd7+ Nxd7 17. Rxc7 Rhc8 18. Rb7 Rc2 19. Bc3 Bf5 20. Kf2 Ra2 21. Bb5) 15. Bb5?? { (-0.62 → -2.68) Blunder. Ba6 was best. } (15. Ba6 O-O 16. Rc1 Rb8 17. O-O Bf5 18. Qxc7 b5 19. Rfe1 Qxc7 20. Rxc7 Nb6 21. Bc3 Bc8) 15... Bf5? { (-2.68 → -1.47) Mistake. a6 was best. } (15... a6) 16. g4? { (-1.47 → -2.85) Mistake. Ba6 was best. } (16. Ba6 O-O 17. Rc1 b5 18. Bxb5 Rb8 19. a4 Nf6 20. O-O Bd7 21. Qxc7 Bxb5 22. Qxd8 Rfxd8) 16... Be6 17. h4 Ke7?? { (-3.01 → -0.48) Blunder. O-O was best. } (17... O-O) 18. g5? { (-0.48 → -1.92) Mistake. d4 was best. } (18. d4 exd4 19. Bxd4 Ne5 20. Qe4 c6 21. Bxc6 Nxc6 22. Qxc6 Rc8 23. Qe4 Rc4 24. Rd1 Qc7) 18... g6?? { (-1.92 → -0.03) Blunder. a6 was best. } (18... a6 19. Be2) 19. f4 Bg4?? { (-0.51 → 2.57) Blunder. a6 was best. } (19... a6 20. Be2) 20. fxe5 Nxe5?? { (2.19 → 8.67) Blunder. a6 was best. } (20... a6 21. exd6+ cxd6 22. Qb7 Rb8 23. Bf6+ Kf8 24. Bxd8 Rxb7 25. Bxa6 Ra7 26. Bb5 h6 27. Bxd7) 21. Qe4?? { (8.67 → 0.12) Blunder. Bxe5 was best. } (21. Bxe5 dxe5) 21... Bf3?? { (0.12 → 3.35) Blunder. Bf5 was best. } (21... Bf5 22. Qe3) 22. Bxe5?? { (3.35 → -4.95) Blunder. Qf4 was best. } (22. Qf4 Bxh1 23. Qf6+ Kf8 24. Qxh8+ Ke7 25. Qf6+ Kf8 26. Bxe5 dxe5 27. Qh8+ Ke7 28. Qxe5+ Kf8) 22... Bxe4 23. Bf6+ Ke6?! { (-5.02 → -3.92) Inaccuracy. Kf8 was best. } (23... Kf8 24. Bxd8 Rxd8 25. Rf1 c6 26. d3 Bd5 27. Bc4 Bxc4 28. dxc4 h6 29. h5 hxg5 30. hxg6) 24. O-O-O? { (-3.92 → -7.40) Mistake. Bxd8 was best. } (24. Bxd8 Bxh1 25. Bxc7 Rhc8 26. Rc1 a6 27. Bf1 Be4 28. Rc4 Kd7 29. Bxb6 Rxc4 30. Bxc4 d5) 24... Qxf6 25. Bc4+ Kd7 26. gxf6 Bxh1 27. Rxh1 Rhe8 28. Kd1 c6 29. Bxf7 Rf8 30. Bb3 Rxf6 31. h5 Rh8 32. hxg6 Rxg6 33. Bc2 Rg7 34. Rh6 Rg1+ 35. Ke2 Re8+ 36. Kf2 Rg7 37. Bf5+ Kc7 38. Rxh7 Rxh7 39. Bxh7 Rf8+ 40. Ke3 Rf7 41. Be4 Re7 42. Kd3 a5 43. bxa5 bxa5 44. Bf3 Kb6 45. Kc4 d5+ 46. Kc3 Kc5 47. d4+ Kb5 48. Kd3 Ka4 49. Bd1+ Kxa3 50. Bc2 Kb2 51. Ba4 Ka3 52. Bxc6 Kb4?? { (-8.78 → -3.49) Blunder. Kb2 was best. } (52... Kb2) 53. Bxd5?! { (-3.49 → -5.11) Inaccuracy. Bxd5 was best. } (53. Bxd5 Rc7 54. Ba2 Rc3+ 55. Kd2 Rc6 56. d5 Rf6 57. Kc2 Rf2+ 58. Kb1 Kc3 59. Ka1 Rf1+) 53... a4?? { (-5.11 → -1.09) Blunder. Rc7 was best. } (53... Rc7 54. Ba2 a4 55. Be6 Rc6 56. Bg8 a3 57. Kd2 Rg6 58. Bd5 Rg5 59. Be6 Rg2+ 60. Kd3) 54. Kc2 Rd7 55. Ba2 Rxd4 56. Kc1?? { (-0.41 → -64.13) Blunder. Be6 was best. } (56. Be6 Rd6 57. Bg8 Rg6 58. Bf7 Rg7 59. Be6 Re7 60. Bg8 Re8 61. Bf7 Re1 62. Kb2 Re2+) 56... Rh4?? { (-64.13 → -0.46) Blunder. Kc3 was best. } { Black wins on time. } (56... Kc3 57. Bb1 Rg4 58. Kd1 Rg1+ 59. Ke2 Rxb1 60. Kf3 a3 61. Ke4 Kc4 62. Kf5 a2 63. Kg6) 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting