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Puzzles (3 cohencoins award for each match):

Puzzle exVFE: 678

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/MJtX43RU"] [Date "2025.08.08"] [White "RoWaN"] [Black "Kristofer"] [Result "1-0"] [UTCDate "2025.08.08"] [UTCTime "20:12:39"] [WhiteElo "1677"] [BlackElo "1687"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-14"] [WhiteTitle "NM🎼"] [BlackTitle "GM😈"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5?! { (0.33 → 0.96) Inaccuracy. c5 was best. } { B01 Scandinavian Defense } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. e5? { (0.96 → -0.29) Mistake. exd5 was best. } (2. exd5 Nf6 3. d4 Bf5 4. Nf3 Nxd5 5. Bd3 Bxd3 6. Qxd3 e6 7. O-O c5 8. Qe2 cxd4) 2... Nc6? { (-0.29 → 0.73) Mistake. c5 was best. } (2... c5 3. c3 Nc6 4. d4 cxd4 5. cxd4 Bf5 6. Nf3 e6 7. Be2 Nge7 8. O-O Bg4 9. Nbd2) 3. Nf3 Bg4 4. d4 e6?! { (0.10 → 0.76) Inaccuracy. Bxf3 was best. } (4... Bxf3) 5. c3 f6 6. Bf4?! { (0.55 → -0.19) Inaccuracy. Nbd2 was best. } (6. Nbd2 fxe5) 6... Be7?! { (-0.19 → 0.57) Inaccuracy. fxe5 was best. } (6... fxe5 7. dxe5 Bc5 8. h3 Bh5 9. Nbd2 Nge7 10. Be2 O-O 11. Bh2 Bb6 12. O-O a5 13. a4) 7. Nbd2 h6? { (0.62 → 1.84) Mistake. fxe5 was best. } (7... fxe5 8. dxe5 Bc5 9. b4 Bb6 10. h3 Bh5 11. a4 a6 12. Be2 Nge7 13. O-O O-O 14. Bh2) 8. Be2 g5 9. Bg3?! { (1.88 → 1.30) Inaccuracy. Be3 was best. } (9. Be3) 9... h5 10. h3 Bxf3 11. Bxf3 h4 12. Bh2 Nh6?! { (1.86 → 2.50) Inaccuracy. f5 was best. } (12... f5) 13. Qb3?! { (2.50 → 1.78) Inaccuracy. exf6 was best. } (13. exf6 Bd6 14. Qe2 Kd7 15. Be5 Nf7 16. Bxd6 cxd6 17. a4 Qxf6 18. O-O Nh6 19. Rae1 Rae8) 13... Qc8?? { (1.78 → 4.17) Blunder. fxe5 was best. } (13... fxe5 14. Qxb7) 14. O-O-O?? { (4.17 → 1.18) Blunder. exf6 was best. } (14. exf6 Bxf6 15. O-O Ne7 16. Rae1 O-O 17. Qd1 Nef5 18. Bh5 Ng7 19. f4 gxf4 20. Bxf4 Nhf5) 14... f5 15. Bh5+?! { (1.20 → 0.52) Inaccuracy. Kb1 was best. } (15. Kb1 a5) 15... Kd7?? { (0.52 → 2.14) Blunder. Nf7 was best. } (15... Nf7 16. Be2) 16. f4?! { (2.14 → 1.08) Inaccuracy. c4 was best. } (16. c4 Nb4 17. a3 dxc4 18. Nxc4 Nd5 19. Ne3 c6 20. Nxd5 cxd5+ 21. Kb1 Qc6 22. Rc1 Qb6) 16... g4?! { (1.08 → 2.10) Inaccuracy. a5 was best. } (16... a5 17. Qa4 g4 18. Bg1 b5 19. Qxb5 a4 20. hxg4 fxg4 21. f5 Nxf5 22. Bxg4 Qb8 23. Qd3) 17. hxg4?! { (2.10 → 1.50) Inaccuracy. c4 was best. } (17. c4) 17... fxg4 18. g3?? { (1.22 → -3.94) Blunder. f5 was best. } (18. f5 Nxf5) 18... h3?? { (-3.94 → -0.04) Blunder. Qg8 was best. } (18... Qg8) 19. Nf1?? { (-0.04 → -2.70) Blunder. Bg6 was best. } (19. Bg6 Qg8) 19... Rg8?? { (-2.70 → 3.14) Blunder. Qg8 was best. } (19... Qg8 20. Ne3) 20. Ne3 a5?! { (3.24 → 4.40) Inaccuracy. Qf8 was best. } (20... Qf8 21. c4) 21. c4?? { (4.40 → 1.34) Blunder. Nxd5 was best. } (21. Nxd5 a4) 21... a4 22. Qc3 Bb4? { (2.16 → 3.90) Mistake. Nb4 was best. } (22... Nb4 23. Kb1) 23. Qc2 a3 24. b3?? { (4.14 → 1.18) Blunder. cxd5 was best. } (24. cxd5 exd5) 24... Ne7 25. Qh7?? { (1.57 → -1.04) Blunder. cxd5 was best. } (25. cxd5 exd5) 25... Qf8? { (-1.04 → 0.16) Mistake. Nf5 was best. } (25... Nf5) 26. Rhf1?? { (0.16 → -4.40) Blunder. cxd5 was best. } (26. cxd5) 26... Rh8?? { (-4.40 → 0.89) Blunder. Nf5 was best. } (26... Nf5) 27. Qc2? { (0.89 → -0.44) Mistake. Qd3 was best. } (27. Qd3 Kc8) 27... Qg7? { (-0.44 → 0.87) Mistake. Nhf5 was best. } (27... Nhf5 28. Nxg4) 28. f5?? { (0.87 → -4.57) Blunder. cxd5 was best. } (28. cxd5 Nxd5 29. Nxd5 exd5 30. Kb1 Ra6 31. Qd3 Rc6 32. f5 Qg5 33. Bg6 Rg8 34. Bh7 Rh8) 28... exf5?? { (-4.57 → 0.19) Blunder. Nhxf5 was best. } (28... Nhxf5 29. Nxg4) 29. Nxf5?? { (0.19 → -8.22) Blunder. cxd5 was best. } (29. cxd5 Qg5) 29... Nexf5?? { (-8.22 → -3.58) Blunder. Qg5+ was best. } (29... Qg5+) 30. Rxf5 Nxf5 31. Qxf5+ Kc6?? { (-4.10 → 2.51) Blunder. Kd8 was best. } (31... Kd8) 32. Qe6+ Bd6 33. Qxd5+?? { (2.32 → 0.00) Blunder. exd6 was best. } (33. exd6 Qh6+) 33... Kb6?! { (0.00 → 0.88) Inaccuracy. Kb6 was best. } (33... Kb6 34. Qb5+ Ka7 35. exd6 cxd6 36. Qa5+ Kb8 37. Qd5 Ka7) 34. Qb5+?! { (0.88 → 0.00) Inaccuracy. Qb5+ was best. } (34. Qb5+ Ka7) 34... Ka7 35. exd6 Qh6+ 36. Kc2? { (-0.39 → -1.87) Mistake. Rd2 was best. } (36. Rd2 Qxh5) 36... Qxh5? { (-1.87 → -0.40) Mistake. Qxh5 was best. } (36... Qxh5 37. c5) 37. Qa4+?? { (-0.40 → -5.64) Blunder. c5 was best. } (37. c5 Qh7+) 37... Kb8?! { (-5.64 → -4.36) Inaccuracy. Kb8 was best. } (37... Kb8) 38. dxc7+?! { (-4.36 → -5.73) Inaccuracy. Qd7 was best. } (38. Qd7 Qh7+) 38... Kxc7 39. Qb4 Qf5+ 40. Kc3?! { (-4.88 → -7.70) Inaccuracy. Rd3 was best. } (40. Rd3 Rhe8) 40... Qf3+?? { (-7.70 → -0.37) Blunder. Rhe8 was best. } (40... Rhe8 41. Rd3) 41. Rd3 Qc6?! { (-0.78 → 0.00) Inaccuracy. Qe4 was best. } (41... Qe4) 42. Qe7+ Qd7 43. Qe5+ Qd6 44. Qg7+ Qd7 45. Qe5+ Kc8?? { (0.00 → 9.74) Blunder. Qd6 was best. } (45... Qd6 46. Qg7+ Qd7 47. Qe5+) 46. Qc5+?? { (9.74 → 0.00) Blunder. Qxh8+ was best. } (46. Qxh8+ Qd8 47. Qg7 b5 48. Qxg4+ Kb7 49. Qf3+ Ka7 50. Qf7+ Ka6 51. Qe6+ Ka7 52. Rf3 Qa5+) 46... Kb8 47. Qe5+ Qc7?? { (0.00 → 7.19) Blunder. Ka7 was best. } (47... Ka7 48. Qa5+ Kb8 49. Qe5+) 48. Qxh8+ Ka7 49. Qh5 Re8?! { (6.00 → 12.84) Inaccuracy. Rf8 was best. } (49... Rf8 50. Qb5 b6 51. Re3 Rf3 52. Qe8 Rxe3+ 53. Qxe3 Qf7 54. Kb4 Qf3 55. Qe8 Qf5 56. Qe5) 50. Qxe8 { Black resigns. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting