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Puzzles (3 cohencoins award for each match):

Puzzle ZkovZ: 863

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/1MBgPKGU"] [Date "2025.08.04"] [White "RoWaN"] [Black "Walker"] [Result "1-0"] [UTCDate "2025.08.04"] [UTCTime "23:13:32"] [WhiteElo "1638"] [BlackElo "1416"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-3"] [WhiteTitle "🎼"] [BlackTitle "⚡"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C45"] [Opening "Scotch Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Nxd4?! { (0.27 → 0.99) Inaccuracy. Nf6 was best. } (4... Nf6 5. Nxc6) 5. Qxd4 Qf6 6. e5 Qb6 7. Qxb6 axb6 8. Bb5? { (0.49 → -0.61) Mistake. Bf4 was best. } (8. Bf4 Ra5 9. Bd3 Ne7 10. O-O Ng6 11. Bg3 h5 12. h4 Be7 13. Re1 Kd8 14. Nd2 Bxh4) 8... c6 9. Bd3 d5 10. exd6 Bxd6 11. O-O Nf6 12. Re1+ Be6 13. Bf5 O-O 14. Bxe6 fxe6 15. Rxe6 Rae8?! { (-0.12 → 0.42) Inaccuracy. Bc5 was best. } (15... Bc5) 16. Rxe8 Rxe8 17. g3?? { (0.66 → -8.92) Blunder. Bd2 was best. } (17. Bd2 b5) 17... Ne4?? { (-8.92 → 1.62) Blunder. Re1+ was best. } (17... Re1+ 18. Kg2 Rxc1 19. a3 Bc5 20. b4 Bd4 21. c3 Bxc3 22. Nxc3 Rxa1 23. b5 Kf7 24. bxc6) 18. Be3 Bc5 19. Bxc5 bxc5 20. Na3 Nd2 21. Rd1?! { (1.25 → 0.50) Inaccuracy. Kg2 was best. } (21. Kg2 Re2) 21... Nf3+? { (0.50 → 1.88) Mistake. Re2 was best. } (21... Re2 22. Kg2) 22. Kg2 Nd4?! { (2.03 → 2.87) Inaccuracy. Ne1+ was best. } (22... Ne1+ 23. Kf1) 23. c3 Nf5 24. Nc4?! { (2.82 → 1.65) Inaccuracy. Rd2 was best. } (24. Rd2 b5) 24... Re4?? { (1.65 → 4.64) Blunder. b5 was best. } (24... b5) 25. Nd2 Re2?! { (3.89 → 5.12) Inaccuracy. Re8 was best. } (25... Re8 26. Nb3) 26. a3?? { (5.12 → 0.34) Blunder. Kf3 was best. } (26. Kf3 Re8) 26... Kf7?? { (0.34 → 4.98) Blunder. Ne3+ was best. } (26... Ne3+ 27. Kf3 Nxd1 28. Kxe2 Nxb2 29. Ne4 b6 30. Nd6 Kf8 31. Kd2 Na4 32. Ne4 Ke7 33. Kc2) 27. b4?? { (4.98 → -0.19) Blunder. Kf3 was best. } (27. Kf3 Re7) 27... cxb4?? { (-0.19 → 1.83) Blunder. Ne3+ was best. } (27... Ne3+ 28. Kf3 Nxd1 29. Kxe2 Nxc3+ 30. Kd3 cxb4 31. axb4 Nd5 32. Kc4 Ke6 33. Ne4 Ke5 34. Ng5) 28. axb4?? { (1.83 → -0.30) Blunder. Kf1 was best. } (28. Kf1 Re5 29. axb4 Rd5 30. Ke2 Nd6 31. f4 c5 32. c4 Rd4 33. bxc5 Nxc4 34. Nxc4 Rxc4) 28... Ke6?? { (-0.30 → 4.35) Blunder. Ne3+ was best. } (28... Ne3+) 29. h3?? { (4.35 → -0.47) Blunder. Kf3 was best. } (29. Kf3 Re5 30. Ne4 Rd5 31. Nc5+ Ke5 32. Rxd5+ cxd5 33. Nxb7 d4 34. Ke2 dxc3 35. Kd3 Ne7) 29... Kd5?? { (-0.47 → 3.10) Blunder. Ne3+ was best. } (29... Ne3+ 30. Kf3 Nxd1 31. Kxe2 Nxc3+ 32. Kd3 Nd1 33. Ne4 Kd5 34. f4 b6 35. f5 Ke5 36. g4) 30. g4?? { (3.10 → -1.95) Blunder. Kf3 was best. } (30. Kf3) 30... Ne3+ 31. Kf3 Nxd1 32. Kxe2?! { (-1.68 → -2.87) Inaccuracy. c4+ was best. } (32. c4+ Kd4 33. Kxe2 Nc3+ 34. Kf3 b6 35. Kf4 Kd3 36. Nf1 Kxc4 37. Ke5 Kxb4 38. f4 Nd5) 32... Nxc3+ 33. Ke3 Nd1+ 34. Ke2 Nc3+ 35. Ke3 Nd1+ 36. Kf3 c5?? { (-3.28 → -0.69) Blunder. b5 was best. } (36... b5 37. h4) 37. b5?? { (-0.69 → -5.23) Blunder. bxc5 was best. } (37. bxc5 Kxc5 38. Ke2 Nb2 39. f4 Kd5 40. Nf1 Kd4 41. Ng3 b5 42. f5 Nd3 43. Nh5 Kc3) 37... Nc3 38. b6 Kd4?? { (-4.57 → -0.74) Blunder. c4 was best. } (38... c4) 39. Nb3+ Kc4 40. Na5+ Kb5 41. Nxb7 Kxb6 42. Nd6 Nd5 43. Nf5 c4 44. Nd4 c3 45. Nc2?? { (-0.21 → -2.70) Blunder. Ke4 was best. } (45. Ke4 Nb4 46. Ne2 c2 47. Ke3 Kc5 48. Kd2 Kc4 49. f4 Kd5 50. Kc3 Ke4 51. Kxb4 Ke3) 45... Nb4?? { (-2.70 → 5.35) Blunder. Kc5 was best. } (45... Kc5) 46. Nxb4 Kc5 47. Nc2 Kc4 48. Ke3 Kb3 49. Kd3 Kb2?! { (6.29 → 9.98) Inaccuracy. Ka4 was best. } (49... Ka4 50. h4 g6 51. f4 Kb5 52. Kd4 Kb6 53. f5 gxf5 54. gxf5 Kc6 55. Ke5 Kc7) 50. f4 g6 51. h4 h6 52. h5 gxh5 53. gxh5 Kb3 54. f5 Kb2 55. f6 Kb3 56. f7 Kb2 57. f8=Q Kc1 58. Qf1+ Kb2 59. Qa1+ Kb3 60. Qa3# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting