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Puzzles (3 cohencoins award for each match):

Puzzle mCbui: 381

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/HgtydzZK"] [Date "2026.02.28"] [White "Mark2"] [Black "Robbie3"] [Result "1-0"] [UTCDate "2026.02.28"] [UTCTime "00:29:12"] [WhiteElo "1187"] [BlackElo "1235"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-11"] [WhiteTitle "࿄"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C42"] [Opening "Russian Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 { C42 Russian Game } Bd6? { (0.69 → 2.00) Mistake. d6 was best. } (3... d6 4. Nf3) 4. Ng4? { (2.00 → 0.66) Mistake. Nc4 was best. } (4. Nc4 Nxe4) 4... Nxe4 5. d3 Nf6?! { (0.26 → 1.28) Inaccuracy. Ng5 was best. } (5... Ng5 6. h4 Ne6 7. d4 O-O 8. Ne3 Re8 9. g3 c6 10. Bg2 Bf8 11. d5 cxd5 12. Bxd5) 6. Bg5? { (1.28 → 0.04) Mistake. Qe2+ was best. } (6. Qe2+) 6... Be7 7. Bxf6 Bxf6 8. Nxf6+ Qxf6 9. Nc3 Nc6?! { (-0.18 → 0.33) Inaccuracy. O-O was best. } (9... O-O 10. Be2) 10. Nb5? { (0.33 → -1.16) Mistake. Qe2+ was best. } (10. Qe2+ Ne7) 10... a6? { (-1.16 → 0.17) Mistake. Qxb2 was best. } (10... Qxb2 11. Rb1) 11. Nxc7+ Kd8 12. Nxa8 Qd6?? { (0.00 → 8.96) Blunder. Re8+ was best. } (12... Re8+ 13. Be2 Nd4 14. O-O Nxe2+ 15. Kh1 b6 16. Qd2 Bb7 17. Rae1 Qf3 18. Qg5+ f6 19. Qxg7) 13. Nb6 Qc5 14. Na4 Qb5 15. Nc3 Qxb2 16. Nd5 Qe5+ 17. Ne3?? { (5.92 → -1.11) Blunder. Be2 was best. } (17. Be2 Qxd5 18. O-O Re8 19. Bf3 Qc5 20. Bxc6 dxc6 21. Re1 Be6 22. Qb1 Kc8 23. Qb2 Rd8) 17... d5?? { (-1.11 → 8.42) Blunder. Qc3+ was best. } (17... Qc3+ 18. Qd2) 18. c4?? { (8.42 → -1.99) Blunder. d4 was best. } (18. d4 Nxd4) 18... d4?? { (-1.99 → 3.86) Blunder. Qc3+ was best. } (18... Qc3+ 19. Qd2 Qxa1+ 20. Qd1 Qxa2 21. cxd5 Nd4 22. Be2 f5 23. Bh5 f4 24. Nc4 Nc2+ 25. Kf1) 19. f4?? { (3.86 → -0.19) Blunder. Be2 was best. } (19. Be2 dxe3 20. O-O Nd4 21. fxe3 Qxe3+ 22. Rf2 Re8 23. Bf1 f5 24. Qd2 Qxd2 25. Rxd2 f4) 19... Qxe3+ 20. Be2?? { (-0.21 → -2.19) Blunder. Qe2 was best. } (20. Qe2 Qxf4) 20... Qxf4?? { (-2.19 → 2.49) Blunder. Re8 was best. } (20... Re8 21. Rb1 Bg4 22. Rb2 Nb4 23. Rxb4 Qxe2+ 24. Qxe2 Rxe2+ 25. Kf1 Rxa2 26. Rg1 Kc7 27. Ke1) 21. Rf1?? { (2.49 → 0.33) Blunder. Qd2 was best. } (21. Qd2) 21... Qxh2 22. Rxf7?? { (0.26 → -2.05) Blunder. Qb3 was best. } (22. Qb3 Re8) 22... Qh5?? { (-2.05 → 11.61) Blunder. Re8 was best. } (22... Re8 23. Kd2 Ne5 24. Rf1 Qxg2 25. Kc1 Nxc4 26. dxc4 Rxe2 27. Qxd4+ Ke8 28. Rd1 Rc2+ 29. Kb1) 23. Bxh5 g6 24. Qg4 Bxg4 25. Bxg4 h5 26. Rd7+ Ke8 27. Be6 Nd8 28. Bh3 Nf7 29. Rb1 Ne5 30. Rc7 Kd8 31. Rg7 Nxd3+ 32. Kd2 Nf4? { (8.89 → Mate in 2) Checkmate is now unavoidable. Nc5 was best. } (32... Nc5 33. Rb6 h4 34. Rf7 Rh5 35. Rxg6 Re5 36. Kd1 Re3 37. Rg8+ Re8 38. Rg5 Re7 39. Rf8+) 33. Rbxb7 Nxh3 34. Rb8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting