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Puzzles (3 cohencoins award for each match):

Puzzle ogFEv: 874

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/tdCLklDH"] [Date "2026.01.11"] [White "Diego"] [Black "Ellie2"] [Result "1-0"] [UTCDate "2026.01.11"] [UTCTime "18:24:21"] [WhiteElo "1599"] [BlackElo "1497"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-11"] [WhiteTitle "GM"] [BlackTitle "🪐"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B06"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 g6 2. d4 Bg7 { B06 Modern Defense } 3. Nf3 e6 4. Nc3 Nf6? { (1.18 → 2.47) Mistake. d6 was best. } (4... d6 5. Bd3) 5. Bd3?! { (2.47 → 1.47) Inaccuracy. e5 was best. } (5. e5) 5... d5?! { (1.47 → 2.65) Inaccuracy. d6 was best. } (5... d6 6. e5 Nd5 7. Qe2 Nxc3 8. bxc3 c5 9. O-O dxe5 10. dxe5 Qc7 11. Bf4 b6 12. h4) 6. e5 Nh5?? { (2.32 → 7.35) Blunder. Nfd7 was best. } (6... Nfd7 7. Bg5) 7. O-O?? { (7.35 → 3.02) Blunder. g4 was best. } (7. g4 c5 8. dxc5 O-O 9. gxh5 Nc6 10. Rg1 Nxe5 11. Nxe5 Bxe5 12. Bh6 Bxh2 13. Rh1 Qh4) 7... O-O?? { (3.02 → 6.11) Blunder. f5 was best. } (7... f5 8. Ne2 c5 9. dxc5 Nd7 10. Bb5 O-O 11. Bxd7 Bxd7 12. Ned4 Qc7 13. b4 h6 14. Re1) 8. g4 f5?! { (6.16 → 9.74) Inaccuracy. c5 was best. } (8... c5 9. dxc5) 9. gxh5 gxh5 10. h4 Nc6 11. Bg5 Qd7 12. Qd2 h6 13. Be3 f4 14. Bxf4 Qf7 15. Bxh6?? { (9.92 → 3.75) Blunder. Ne2 was best. } (15. Ne2 Bd7 16. Kh1 Nxd4 17. Nfxd4 Qe7 18. Bg3 c5 19. Rg1 a5 20. Nf4 Rxf4 21. Qxf4 Rf8) 15... Bxh6?? { (3.75 → 9.02) Blunder. Qxf3 was best. } (15... Qxf3 16. Be2 Bxh6 17. Qxh6 Qf5 18. f4 Rf7 19. Kh2 Rh7 20. Rg1+ Kh8 21. Qg5 Qxg5 22. fxg5) 16. Ng5?? { (9.02 → 0.85) Blunder. Qxh6 was best. } (16. Qxh6) 16... Bxg5?? { (0.85 → 4.24) Blunder. Qf4 was best. } (16... Qf4 17. Qxf4) 17. Qxg5+ Qg7 18. Qxg7+ Kxg7 19. Kh2?? { (4.24 → 1.94) Blunder. Ne2 was best. } (19. Ne2 Bd7 20. f3 Kh6 21. Kf2 Ne7 22. Rg1 Be8 23. Rg5 Bg6 24. Ng3 Rf7 25. Bxg6 Nxg6) 19... Rf4? { (1.94 → 3.83) Mistake. Nxd4 was best. } (19... Nxd4) 20. Rg1+ Kf7 21. Bg6+? { (4.14 → 2.44) Mistake. Rg5 was best. } (21. Rg5) 21... Ke7 22. Kh3 Rxd4? { (2.08 → 3.72) Mistake. Nxd4 was best. } (22... Nxd4 23. Bxh5) 23. Bxh5 Nxe5 24. Rg7+ Kf6 25. Rxc7?? { (3.65 → 1.10) Blunder. Rg8 was best. } (25. Rg8 c6 26. Rag1 Rd2 27. f4 Nc4 28. R1g6+ Ke7 29. R6g7+ Kd6 30. Bg4 Rxc2 31. Na4 c5) 25... Rd2?? { (1.10 → 6.12) Blunder. Bd7 was best. } (25... Bd7 26. Ne2 Rc4 27. Rxc4 Nxc4 28. Rg1 e5+ 29. Bg4 Bxg4+ 30. Rxg4 Nxb2 31. Nc3 Ke6 32. h5) 26. Kg3?? { (6.12 → 2.88) Blunder. Rg1 was best. } (26. Rg1 Bd7) 26... d4?? { (2.88 → 12.34) Blunder. Bd7 was best. } (26... Bd7 27. f4 Rg8+ 28. Kh3 Ng6 29. Bxg6 Rxg6 30. Rxd7 Rf2 31. Nxd5+ exd5 32. Rd6+ Kf5 33. Rxg6) 27. Ne4+ Kf5 28. Nxd2 Ng6 29. Bxg6+ Kxg6 30. Nf3 Kf5 31. Nxd4+ Ke5 32. Nf3+ Kd6 33. Rc3 Bd7 34. Rd1+ Ke7 35. Rc7 Rb8?! { (20.46 → Mate in 5) Checkmate is now unavoidable. Kf6 was best. } (35... Kf6 36. Rdxd7 Rh8 37. Rf7+ Kg6 38. Ne5+ Kh6 39. Rfe7 b5 40. Nf7+ Kg7 41. Nxh8+ Kf6 42. Rf7+) 36. Rdxd7+ Ke8 37. Re7+ Kd8 38. h5 { Black resigns. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting