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Puzzles (3 cohencoins award for each match):

Puzzle ZOQsl: 437

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/e7r9NqGv"] [Date "2026.04.20"] [White "colton1"] [Black "Caroline1"] [Result "0-1"] [UTCDate "2026.04.20"] [UTCTime "15:42:16"] [WhiteElo "1541"] [BlackElo "1283"] [WhiteRatingDiff "-17"] [BlackRatingDiff "+12"] [WhiteTitle "IM🤔"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense: Bowdler Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Bc4 { B20 Sicilian Defense: Bowdler Attack } Nf6 3. Nf3?? { (0.00 → -1.70) Blunder. e5 was best. } (3. e5 d5 4. Be2 Nfd7 5. f4 Nc6 6. Nf3 Nb6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 Bf5) 3... Nxe4 4. d3 Nd6 5. Nc3 Nxc4 6. dxc4 Nc6 7. Bf4 d6 8. O-O?! { (-1.77 → -2.38) Inaccuracy. Qe2 was best. } (8. Qe2) 8... Bf5 9. Re1 e6? { (-2.23 → -0.77) Mistake. e5 was best. } (9... e5 10. Nd5 Be7 11. Bg3 Qd7 12. Nd2 h5 13. h4 Nb4 14. Ne3 Be6 15. f4 exf4 16. Bxf4) 10. h3? { (-0.77 → -2.24) Mistake. Nb5 was best. } (10. Nb5 Bg4) 10... g6?? { (-2.24 → 3.11) Blunder. Be7 was best. } (10... Be7 11. Qe2) 11. g4 e5? { (3.00 → 4.92) Mistake. Qd7 was best. } (11... Qd7 12. Bg5) 12. Bg5?? { (4.92 → 0.88) Blunder. gxf5 was best. } (12. gxf5 gxf5) 12... f6 13. gxf5?! { (0.86 → 0.00) Inaccuracy. Nxe5 was best. } (13. Nxe5 Nxe5 14. f4 Be6 15. fxe5 fxg5 16. exd6 Qxd6 17. Qxd6 Bxd6 18. Rxe6+ Kd7 19. Re4 Rae8) 13... fxg5 14. fxg6 hxg6 15. Kh2?? { (-0.43 → -3.50) Blunder. Nd5 was best. } (15. Nd5 Kf7) 15... Qe7?? { (-3.50 → -1.23) Blunder. g4 was best. } (15... g4 16. Ng1) 16. Nd5?! { (-1.23 → -1.78) Inaccuracy. Rg1 was best. } (16. Rg1 Qf7) 16... Qe6?? { (-1.78 → 9.38) Blunder. Qf7 was best. } (16... Qf7 17. Rg1) 17. Nc7+ Kd7 18. Nxe6 Kxe6 19. Nxg5+ Kf6? { (8.15 → Mate in 7) Checkmate is now unavoidable. Kd7 was best. } (19... Kd7 20. Re3 Rh4 21. Qd5 Be7 22. Rb3 b6 23. Rd1 Rf8 24. Ne6 a6 25. Nxf8+ Bxf8) 20. Qg4? { (Mate in 7 → 9.99) Lost forced checkmate sequence. Qf3+ was best. } (20. Qf3+ Kg7 21. Qf7+ Kh6 22. Re4 Kh5 23. Rh4+ Kxh4 24. Qxg6 Nd4 25. Rg1 Nf5 26. Rg4#) 20... Nd4 21. h4 Nxc2 22. Qe6+ Kg7 23. Qf7+ Kh6 24. Qxb7?! { (Mate in 8 → 10.49) Lost forced checkmate sequence. h5 was best. } (24. h5 Rg8 25. Qxg8 Kxh5 26. Nf7 Bh6 27. Qh7 Kg4 28. Qxg6+ Kh4 29. Qxh6+ Kg4 30. Qg5+ Kf3) 24... Re8 25. Nf7+ Kg7 26. Nxh8+ Kxh8 27. Rg1 Re6 28. Qd5 Nd4 29. f4 exf4 30. h5 gxh5? { (8.00 → Mate in 7) Checkmate is now unavoidable. Re5 was best. } (30... Re5 31. Rxg6 Rxd5 32. cxd5 c4 33. Rf1 Bg7 34. Rxd6 Nf5 35. Rd7 Ne3 36. Rg1 Be5 37. Rd8+) 31. Qxh5+?? { (Mate in 7 → 6.55) Lost forced checkmate sequence. Rae1 was best. } (31. Rae1 Nf3+ 32. Qxf3 Rf6 33. Re8 Kh7 34. Rxf8 Re6 35. Qxh5+ Rh6 36. Rf7+ Kh8 37. Qxh6#) 31... Bh6?? { (6.55 → Mate in 8) Checkmate is now unavoidable. Rh6 was best. } (31... Rh6 32. Qxh6+) 32. Qe8+?? { (Mate in 8 → -5.54) Lost forced checkmate sequence. Rae1 was best. } (32. Rae1 Rf6 33. Re8+ Kh7 34. Re7+ Kh8 35. Rg6 Rxg6 36. Qxg6 Nf3+ 37. Kh1 Ng5 38. Qxh6+ Kg8) 32... Rxe8 33. Rae1?! { (-5.69 → -12.08) Inaccuracy. Rg6 was best. } (33. Rg6 Kh7 34. Rxd6 f3 35. Kh3 Be3 36. Rf1 Kg7 37. Ra6 Kf7 38. Rxa7+ Ke6 39. Ra3 Kf5) 33... Rxe1 34. Rxe1 Nf3+ 35. Kh3 Nxe1 36. Kg4 Kh7 37. a3 f3 38. Kg3?! { (-80.80 → Mate in 6) Checkmate is now unavoidable. Kf5 was best. } (38. Kf5 f2 39. Ke6 f1=Q 40. b3 Qd3 41. Kd7 Qxb3 42. Ke8 Qxc4 43. Ke7 Qa4 44. Kf6 Qxa3) 38... Be3 39. Kh2 f2 { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting