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Puzzles (3 cohencoins award for each match):

Puzzle DIkuE: 783

NM Zayn1 (1215) +16
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/UyWVrFBS"] [Date "2025.07.13"] [White "Damon"] [Black "Zayn1"] [Result "0-1"] [UTCDate "2025.07.13"] [UTCTime "17:41:18"] [WhiteElo "1413"] [BlackElo "1215"] [WhiteRatingDiff "-65"] [BlackRatingDiff "+16"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4?! { (0.31 → -0.23) Inaccuracy. Bb5 was best. } { C46 Four Knights Game: Italian Variation } (4. Bb5) 4... d5?? { (-0.23 → 1.66) Blunder. Nxe4 was best. } (4... Nxe4) 5. exd5 Nd4 6. Nxe5? { (1.76 → 0.69) Mistake. h3 was best. } (6. h3) 6... Qe7?? { (0.69 → 5.84) Blunder. Bd6 was best. } (6... Bd6) 7. f4?? { (5.84 → 0.75) Blunder. O-O was best. } (7. O-O Qc5 8. Re1 Be7 9. b4 Qxb4 10. Rb1 Qc5 11. Nb5 O-O 12. Ba3 Qxa3 13. Nxa3 Bxa3) 7... Bg4 8. Bb5+?? { (0.87 → -7.91) Blunder. Be2 was best. } (8. Be2 h5 9. h3 Bf5 10. d3 O-O-O 11. Bf3 g5 12. Be3 Nxf3+ 13. Qxf3 g4 14. Qf2 gxh3) 8... Kd8?? { (-7.91 → 2.29) Blunder. Nxb5 was best. } (8... Nxb5 9. Nxb5 Bxd1 10. Kxd1 a6 11. Nc3 O-O-O 12. Re1 Qc5 13. d3 Qf2 14. Bd2 Bc5 15. a3) 9. Be2 Bxe2 10. Nxe2 Nxe2 11. Qxe2 Nxd5 12. O-O?! { (2.61 → 1.75) Inaccuracy. Qd3 was best. } (12. Qd3 c6 13. c4 f6 14. cxd5 fxe5 15. dxc6+ Kc7 16. O-O bxc6 17. fxe5 Qc5+ 18. Qe3 Qxe3+) 12... f6 13. Re1?? { (1.83 → -0.88) Blunder. c4 was best. } (13. c4 Nb6) 13... fxe5 14. Qxe5?? { (-0.43 → -5.74) Blunder. fxe5 was best. } (14. fxe5 Qe6 15. d4 Nb6 16. Bg5+ Be7 17. Bxe7+ Kxe7 18. a4 Rhf8 19. a5 Nd5 20. c4 Nf4) 14... Qxe5 15. Rxe5 Nxf4 16. d4 Bd6?? { (-5.61 → -2.11) Blunder. Ng6 was best. } (16... Ng6 17. Rf5) 17. Rd5?? { (-2.11 → -10.59) Blunder. Bxf4 was best. } (17. Bxf4 Bxe5) 17... Re8?? { (-10.59 → 1.24) Blunder. Nxd5 was best. } (17... Nxd5) 18. Bxf4 c6?? { (1.35 → 8.32) Blunder. Kd7 was best. } (18... Kd7 19. Bxd6 cxd6 20. Rb5 b6 21. Rf1 Re7 22. h4 Rae8 23. Rg5 g6 24. h5 Re2 25. Rf7+) 19. Rf5?? { (8.32 → 2.52) Blunder. Rxd6+ was best. } (19. Rxd6+ Ke7) 19... Bxf4 20. Rxf4 Kc7 21. Rf7+ Kb6 22. Kf2 Rf8 23. Rxf8 Rxf8+ 24. Ke3 Re8+ 25. Kd3 c5 26. dxc5+ Kxc5 27. Kc3?? { (2.57 → 0.31) Blunder. Rf1 was best. } (27. Rf1) 27... b5? { (0.31 → 1.78) Mistake. Re2 was best. } (27... Re2 28. Rg1 g5 29. Rf1 Rxg2 30. Rf5+ Kc6 31. Rf6+ Kc7 32. Rh6 g4 33. Rxh7+ Kb6 34. Rh6+) 28. b4+ Kd5?? { (1.50 → 3.45) Blunder. Kb6 was best. } (28... Kb6 29. Rd1 Kc6 30. g3 h5 31. Rd2 Re3+ 32. Kd4 Ra3 33. c3 a5 34. Re2 axb4 35. cxb4) 29. Rd1+? { (3.45 → 1.67) Mistake. a4 was best. } (29. a4 Re3+ 30. Kd2 Re7 31. Kd3 Kc6 32. axb5+ Kxb5 33. c3 Rd7+ 34. Kc2 Re7 35. Kb3 Kb6) 29... Kc6 30. Kd4?? { (1.60 → -8.15) Blunder. a3 was best. } (30. a3 a6) 30... Rd8+ 31. Kc3 Rxd1 32. a3 Rh1 33. h3 Rg1 34. g4 Rh1 35. h4 Rxh4 36. Kd4 Rxg4+ 37. Kc3 h5 38. Kd2 h4 39. Ke2 h3 40. Kf2 h2 41. Kf3 Rxb4 42. axb4 h1=Q+ 43. Kg4 Kd5 44. Kf5 Kc4 45. Kg6 Qh6+ 46. Kf5 Kxb4 47. Ke5 Kc3 48. Kd5 Kxc2 49. Kc5 Qh5+ 50. Kc6 a5 51. Kb6 a4 52. Ka5 Qc5 53. Ka6 b4 54. Kb7 b3 55. Ka6 a3 56. Kb7 b2 57. Ka6 a2 58. Kb7 b1=Q+ 59. Ka8 a1=Q# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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