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Puzzles (3 cohencoins award for each match):

Puzzle Ypy7L: 999999999

GM Nathan4 (1342) +3
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/YBafFZmZ"] [Date "2025.10.17"] [White "Nathan4"] [Black "Terry"] [Result "1-0"] [UTCDate "2025.10.17"] [UTCTime "23:40:19"] [WhiteElo "1342"] [BlackElo "1031"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-5"] [WhiteTitle "GM"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C42"] [Opening "Russian Game: Three Knights Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nf6 3. Nc3?! { (0.75 → 0.07) Inaccuracy. Nxe5 was best. } { C42 Russian Game: Three Knights Game } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 Nf6 9. Nc3 O-O) 3... Bb4?! { (0.07 → 0.74) Inaccuracy. Nc6 was best. } (3... Nc6 4. Bb5 Bd6 5. O-O O-O 6. d3 Nd4 7. Ba4 Nxf3+ 8. Qxf3 c6 9. Bb3 a5 10. Kh1) 4. Bb5? { (0.74 → -0.44) Mistake. Nxe5 was best. } (4. Nxe5 O-O) 4... Bxc3 5. dxc3 O-O 6. Bg5 h6 7. Bxf6?! { (0.11 → -0.56) Inaccuracy. Bh4 was best. } (7. Bh4 d6 8. Nd2 Be6 9. a4 c6 10. Bd3 Nbd7 11. a5 d5 12. exd5 cxd5 13. O-O Qc7) 7... Qxf6 8. Bxd7?? { (-0.53 → -9.00) Blunder. a4 was best. } (8. a4) 8... Bxd7 9. O-O Bg4 10. h3 Bxf3 11. Qxf3 Qxf3 12. gxf3 Nc6 13. Kg2 Rae8 14. Kg3 g5 15. Rg1 f6 16. Kg4 Rd8 17. Kf5 Rd7 18. Rg4 Rfd8 19. f4 Rd1?! { (-11.30 → -6.50) Inaccuracy. Kf7 was best. } (19... Kf7 20. Rxg5 hxg5 21. fxg5 Rd2 22. Kg4 Rxf2 23. h4 fxg5 24. hxg5 Rdd2 25. Rh1 Ne7 26. Rh7+) 20. Rxd1 Rxd1 21. fxg5 hxg5? { (-6.27 → -3.73) Mistake. fxg5 was best. } (21... fxg5 22. h4) 22. Kxf6 Rd6+ 23. Kxg5 Rd2 24. Kf5+?! { (-3.65 → -4.97) Inaccuracy. Kf6+ was best. } (24. Kf6+) 24... Kf7 25. f4 Rxc2 26. fxe5 Rxb2?! { (-5.43 → -3.98) Inaccuracy. Rf2+ was best. } (26... Rf2+ 27. Rf4) 27. e6+ Ke7?? { (-4.23 → 0.00) Blunder. Kf8 was best. } (27... Kf8 28. a4 b5 29. axb5 Rxb5+ 30. Kf6 Rh5 31. Rg3 Rh6+ 32. Kf5 Ne7+ 33. Ke5 Ke8 34. c4) 28. Rg7+ Ke8 29. Kf6?? { (0.00 → -4.99) Blunder. Rg8+ was best. } (29. Rg8+ Ke7 30. Rg7+ Kf8 31. Rxc7 Ke8 32. h4 Rf2+ 33. Kg6 Rxa2 34. h5 Nd8 35. h6 Nxe6) 29... Rxa2?? { (-4.99 → Mate in 1) Checkmate is now unavoidable. Rf2+ was best. } (29... Rf2+ 30. Kg5 Nd8 31. Rg8+ Ke7 32. Rg7+ Kxe6 33. Rxc7 Rxa2 34. h4 a5 35. Rc8 Nf7+ 36. Kf4) 30. Rg8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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