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Puzzles (3 cohencoins award for each match):

Puzzle g5JSz: 635

Puzzle 7Q10i: 764

Ayaan (1358) +30
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/tqngSvaE"] [Date "2025.10.03"] [White "Ayaan"] [Black "BENJAMIN4"] [Result "1-0"] [UTCDate "2025.10.03"] [UTCTime "20:36:07"] [WhiteElo "1358"] [BlackElo "1695"] [WhiteRatingDiff "+30"] [BlackRatingDiff "-10"] [BlackTitle "🌊"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Main Line"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5?! { (0.33 → 0.87) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. exd5 Qxd5 3. Nc3 Qa5 { B01 Scandinavian Defense: Main Line } 4. d4 c6 5. Nf3 Nf6 6. Bd3 Bf5 7. Bxf5 Qxf5 8. O-O e6 9. Nh4?! { (0.75 → -0.04) Inaccuracy. Re1 was best. } (9. Re1) 9... Qg4?! { (-0.04 → 0.75) Inaccuracy. Qa5 was best. } (9... Qa5 10. Nf3 Be7 11. Re1 Nbd7 12. Ne4 O-O 13. Nxf6+ Bxf6 14. Qe2 Qf5 15. c3 Rfd8 16. Be3) 10. Qxg4?! { (0.75 → 0.12) Inaccuracy. Nf3 was best. } (10. Nf3 Nbd7) 10... Nxg4 11. Nf3 Bd6 12. Ne4 Be7 13. h3 Nf6 14. Bg5?? { (0.28 → -7.30) Blunder. Nxf6+ was best. } (14. Nxf6+ Bxf6 15. a4 O-O 16. a5 Na6 17. Be3 Be7 18. c3 Rfd8 19. g4 Nc7 20. Rfe1 f6) 14... Nxe4 15. Bxe7 Kxe7 16. Rfe1 Nf6 17. c4 Nbd7 18. d5 cxd5 19. cxd5 Nxd5 20. Nd4 Rac8 21. Rad1 Rc2?? { (-7.69 → 3.09) Blunder. g6 was best. } (21... g6 22. Nf3 N7f6 23. a4 Rhd8 24. h4 Rc2 25. g3 Rxb2 26. Rb1 Rb6 27. a5 Rxb1) 22. Nxc2 Rc8 23. Nd4 Nc5?? { (2.97 → 6.47) Blunder. Kf6 was best. } (23... Kf6) 24. Rc1?? { (6.47 → 2.83) Blunder. Nxe6 was best. } (24. Nxe6) 24... Nb4?! { (2.83 → 3.96) Inaccuracy. b6 was best. } (24... b6 25. Nf5+ Kf6 26. Ne3 Nb4 27. Rc4 a5 28. a3 Nbd3 29. Re2 b5 30. Rd4 Nc1 31. Rc2) 25. a3?? { (3.96 → -1.93) Blunder. Red1 was best. } (25. Red1 a5) 25... Nbd3 26. Red1 Nxc1 27. Rxc1 Rd8?! { (-2.28 → -1.61) Inaccuracy. Kd8 was best. } (27... Kd8 28. Rd1 Kc7 29. Nb5+ Kb6 30. Nd6 Rd8 31. b4 Ne4 32. Nc4+ Kc7 33. Rxd8 Kxd8 34. f3) 28. Nb5? { (-1.61 → -3.52) Mistake. Nc6+ was best. } (28. Nc6+ bxc6) 28... Nb3?? { (-3.52 → -0.21) Blunder. Nd3 was best. } (28... Nd3 29. Rc7+ Rd7 30. Rc2 a6 31. Nc3 Rd6 32. Kf1 Rc6 33. Re2 b5 34. Nd5+ Kd6 35. Nc3) 29. Rc7+?? { (-0.21 → -2.57) Blunder. Rc3 was best. } (29. Rc3 Nd2 30. Nxa7 Ne4 31. Rb3 Rd1+ 32. Kh2 Nxf2 33. Rxb7+ Kf6 34. Nb5 Rh1+ 35. Kg3 Ne4+) 29... Kf6?? { (-2.57 → 0.22) Blunder. Rd7 was best. } (29... Rd7) 30. Rxb7 Rd1+ 31. Kh2 Rd2?? { (0.30 → 3.40) Blunder. Nd2 was best. } (31... Nd2 32. Nc3) 32. Kg3?? { (3.40 → 0.00) Blunder. Nc3 was best. } (32. Nc3 Rxb2) 32... Rxb2?? { (0.00 → 4.56) Blunder. Nc5 was best. } (32... Nc5 33. Rxa7 Ne4+ 34. Kf3 Rxb2 35. Kxe4 Rxb5 36. g3 g5 37. Kf3 h5 38. Kg2 Rb1 39. a4) 33. Nc3?? { (4.56 → 0.10) Blunder. Nd4 was best. } (33. Nd4 h5) 33... a5?? { (0.10 → 3.74) Blunder. Kg6 was best. } (33... Kg6) 34. Nd1?? { (3.74 → -1.37) Blunder. Ne4+ was best. } (34. Ne4+) 34... Rb1?? { (-1.37 → 3.86) Blunder. Rd2 was best. } (34... Rd2 35. Ne3 Nc5 36. Ng4+ Kg6 37. Ra7 f6 38. Rxa5 Ne4+ 39. Kf3 f5 40. Ke3 fxg4 41. Kxe4) 35. Nc3 Rb2 36. Ne4+ Kf5?! { (3.87 → 5.20) Inaccuracy. Ke5 was best. } (36... Ke5 37. Nc5) 37. Nc3?? { (5.20 → 0.00) Blunder. Nc5 was best. } (37. Nc5) 37... Ke5 38. Nd1 Rb1 39. f4+? { (0.46 → -0.72) Mistake. Ne3 was best. } (39. Ne3 f6) 39... Ke4?? { (-0.72 → 7.38) Blunder. Kd4 was best. } (39... Kd4) 40. Nc3+ Kd3 41. Nxb1 Nc5 42. Rc7 Na6 43. Rc3+ Kd4 44. Rc1 a4 45. Nc3 Nc5 46. Nb5+ Kd5 47. Nc7+ Kd6 48. Nb5+ Kc6 49. Nc3 Nb3 50. Rd1 Kc5 51. Nxa4+ Kb5 52. Nc3+ Kc4 53. Ra1?? { (8.02 → 0.83) Blunder. Ne4 was best. } (53. Ne4 f6 54. Rd7 Nd4 55. Kf2 e5 56. g3 exf4 57. gxf4 Nb5 58. Nd2+ Kc5 59. Nb3+ Kc6) 53... Kxc3?? { (0.83 → 7.00) Blunder. Nxa1 was best. } (53... Nxa1 54. Ne4 f6 55. Nd6+ Kd3 56. a4 Nb3 57. Kg4 e5 58. fxe5 fxe5 59. Kf5 Nc5 60. a5) 54. a4?! { (7.00 → 4.24) Inaccuracy. Rd1 was best. } (54. Rd1) 54... Nxa1?! { (4.24 → 5.44) Inaccuracy. Nxa1 was best. } (54... Nxa1) 55. a5 Nb3 56. a6 Nd4 57. a7 Ne2+ 58. Kf3 Ng1+ 59. Ke4 f5+ 60. Ke3 Kc2 61. a8=Q Kd1? { (9.17 → Mate in 3) Checkmate is now unavoidable. Ne2 was best. } (61... Ne2 62. Kxe2) 62. Qa1+ Kc2 63. Qxg1?! { (Mate in 9 → 62.11) Lost forced checkmate sequence. Qa4+ was best. } (63. Qa4+ Kc3 64. Qd4+ Kc2 65. Qc4+ Kb2 66. Kd3 Ne2 67. Qc2+ Ka3 68. Kc4 Nc1 69. Qxc1+ Ka2) 63... Kc3 64. Qd1 Kc4 65. Qd4+ Kb5 66. Qc3?! { (Mate in 48 → 74.96) Lost forced checkmate sequence. Qxg7 was best. } (66. Qxg7) 66... Kb6?! { (74.96 → Mate in 21) Checkmate is now unavoidable. h5 was best. } (66... h5 67. Qxg7) 67. Qc4?! { (Mate in 21 → 75.20) Lost forced checkmate sequence. Qxg7 was best. } (67. Qxg7 Kc6 68. Qe7 e5 69. Qe6+ Kb7 70. Qxe5 h5 71. Qxf5 h4 72. Qh5 Kc7 73. Qxh4 Kc6) 67... Kb7 68. Qc5 Ka6 69. Qb4 Ka7?! { (72.82 → Mate in 22) Checkmate is now unavoidable. h6 was best. } (69... h6 70. Qc4+) 70. Qb5?! { (Mate in 22 → 74.95) Lost forced checkmate sequence. Qd4+ was best. } (70. Qd4+ Ka6 71. Qxg7 Ka5 72. Qe5+ Ka4 73. Qf6 Ka3 74. Qxe6 h5 75. Qxf5 h4 76. Qh5 Ka4) 70... h6 71. Kd4 g5 72. Kc5 gxf4 73. Qb6+ Ka8 74. Qa6+ Kb8 75. Kb6 f3 76. Qb7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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