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Puzzles (3 cohencoins award for each match):

Puzzle TfvZL: 461

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/O54xb1VH"] [Date "2026.01.13"] [White "Aden1"] [Black "Asher"] [Result "0-1"] [UTCDate "2026.01.13"] [UTCTime "21:12:54"] [WhiteElo "1109"] [BlackElo "1037"] [WhiteRatingDiff "-66"] [BlackRatingDiff "+65"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A45"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nc3 Nf6 { A45 Queen's Pawn Game: Chigorin Variation } 3. Nf3 e5?? { (-0.15 → 3.51) Blunder. e6 was best. } (3... e6 4. Bf4 Bb4 5. Qd3 Ne4 6. Nd2 Nxc3 7. bxc3 Bd6 8. Bxd6 cxd6 9. e3 O-O 10. Be2) 4. Qd3?? { (3.51 → -4.54) Blunder. dxe5 was best. } (4. dxe5 Ne4) 4... c5?? { (-4.54 → 3.88) Blunder. e4 was best. } (4... e4 5. Qe3) 5. a3?? { (3.88 → -7.48) Blunder. dxe5 was best. } (5. dxe5 d4 6. exf6 dxc3 7. Qxc3 gxf6 8. e4 Rg8 9. Be3 Nc6 10. Bxc5 Be6 11. g3 Bxc5) 5... e4 6. Qe3 Be7? { (-6.10 → -3.28) Mistake. Nc6 was best. } (6... Nc6 7. Ne5 Nxd4 8. Qd2 Bd6 9. e3 Bxe5 10. exd4 Bxd4 11. Nb5 e3 12. Qe2 O-O 13. Nxd4) 7. Ne5 O-O 8. b4?! { (-3.38 → -4.88) Inaccuracy. Qd2 was best. } (8. Qd2 Ne8) 8... Ng4?? { (-4.88 → -1.63) Blunder. cxb4 was best. } (8... cxb4) 9. Qf4?? { (-1.63 → -7.62) Blunder. Nxg4 was best. } (9. Nxg4 cxb4) 9... h5?? { (-7.62 → -2.74) Blunder. cxd4 was best. } (9... cxd4) 10. Nxg4 hxg4?? { (-2.20 → -0.56) Blunder. cxd4 was best. } (10... cxd4 11. Nh6+ gxh6 12. Nb5 Nc6 13. Bb2 Bg5 14. Qd6 e3 15. fxe3 Bxe3 16. Qxd8 Rxd8 17. Rd1) 11. Qxg4?? { (-0.56 → -10.45) Blunder. bxc5 was best. } (11. bxc5) 11... g6?? { (-10.45 → -2.96) Blunder. Bxg4 was best. } (11... Bxg4 12. bxc5) 12. Qf4 f5?? { (-2.76 → 1.46) Blunder. cxd4 was best. } (12... cxd4 13. Nb5 Nc6 14. Bb2 Bf6 15. Qc7 a6 16. Qxd8 Rxd8 17. Nc7 Rb8 18. b5 Be5 19. b6) 13. bxc5 Kg7?? { (1.41 → 5.85) Blunder. Nc6 was best. } (13... Nc6 14. Rb1 g5 15. Qd2 f4 16. e3 fxe3 17. Qxe3 Bf6 18. Ne2 b6 19. cxb6 axb6 20. Qc3) 14. Nxd5?? { (5.85 → 0.38) Blunder. Qh6+ was best. } (14. Qh6+ Kf7) 14... Bd6?? { (0.38 → 11.25) Blunder. Qxd5 was best. } (14... Qxd5 15. Qh6+ Kf7 16. Qh7+ Ke8 17. Qxg6+ Qf7 18. Qxf7+ Kxf7 19. e3 Be6 20. c4 Bd7 21. Rb1) 15. cxd6 g5 16. Qe5+ Kf7 17. Ne3 Qe8 18. Nxf5 Kg6 19. Qd5 Be6 20. Qxb7 Bxf5 21. Qxa8 Rf7 22. Qxa7?? { (12.40 → -1.61) Blunder. c4 was best. } (22. c4 Rf8 23. Qxa7 Nc6 24. Qc5 g4 25. Bf4 Nd8 26. d5 Bd7 27. e3 Rf5 28. Qb6) 22... Rxa7 23. f3?? { (-1.80 → -4.78) Blunder. g4 was best. } (23. g4 Be6 24. Be3 Qc6 25. c4 Bxc4 26. h4 Rh7 27. Bxg5 e3 28. Rh3 exf2+ 29. Kxf2 Qd5) 23... Qd7?? { (-4.78 → -2.34) Blunder. Qc6 was best. } (23... Qc6 24. g4) 24. fxe4?? { (-2.34 → -5.07) Blunder. g4 was best. } (24. g4 Be6 25. f4 gxf4 26. Bxf4 Qa4 27. Bg2 Qxd4 28. Rd1 Qc4 29. h3 Nd7 30. O-O Ra4) 24... Bxe4 25. Rb1 Ra8? { (-5.22 → -3.24) Mistake. Qxd6 was best. } (25... Qxd6 26. Rb5 Qxd4 27. Rxg5+ Kf7 28. Bf4 Rxa3 29. e3 Ra1+ 30. Kf2 Qd2+ 31. Kg3 Rxf1 32. Rxf1) 26. g4?? { (-3.24 → -7.29) Blunder. h4 was best. } (26. h4 Qxd6 27. Rh3 g4 28. Re3 Qc6 29. d5 Qxc2 30. Rb6+ Kf7 31. Rb7+ Kg8 32. Bd2 Na6) 26... Qxd6 27. a4 Rxa4 28. Rxb8 Qxb8 29. Rg1 Ra1 30. Kd1 Qb1 31. Kd2 Qxc1+ 32. Kc3 Ra3+ 33. Kb4 Qb2+ 34. Kc5 Qxc2+ 35. Kd6 Ra5 36. Ke6 Qc6+ 37. Ke7 Ra7+ 38. Kf8 Qc8# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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