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Puzzles (3 cohencoins award for each match):

Puzzle S5b08: 799

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/qN0H0j6U"] [Date "2026.07.25"] [White "Vladimir"] [Black "Zayn1"] [Result "0-1"] [UTCDate "2026.07.25"] [UTCTime "17:22:06"] [WhiteElo "1322"] [BlackElo "1560"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+4"] [WhiteTitle "GM🦑"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C47"] [Opening "Four Knights Game: Scotch Variation Accepted"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 { C47 Four Knights Game: Scotch Variation Accepted } 5. Nxd4 d6?! { (0.11 → 0.76) Inaccuracy. Bb4 was best. } (5... Bb4 6. Nxc6) 6. Bc4 Nxd4 7. Qxd4 Be6 8. Bxe6 fxe6 9. e5 dxe5 10. Qe3? { (0.65 → -0.62) Mistake. Qxe5 was best. } (10. Qxe5 Qd7) 10... Bb4 11. a3?! { (-0.72 → -1.25) Inaccuracy. O-O was best. } (11. O-O Qd4) 11... Ba5?! { (-1.25 → -0.36) Inaccuracy. Nd5 was best. } (11... Nd5 12. Qxe5 Bxc3+ 13. bxc3 Qf6 14. Qxf6 gxf6 15. c4 Nb6 16. Bb2 e5 17. c5 Nc4 18. O-O-O) 12. O-O Bb6?! { (-0.21 → 0.34) Inaccuracy. Qd4 was best. } (12... Qd4 13. Qg3) 13. Qe2 Nd5? { (0.01 → 1.34) Mistake. Qd6 was best. } (13... Qd6 14. Na4) 14. Nxd5 Qxd5 15. Be3?! { (0.82 → 0.13) Inaccuracy. Rd1 was best. } (15. Rd1 Qc6) 15... O-O 16. Bxb6 cxb6 17. Rfd1 Qc5 18. Rac1 Rf6 19. h3 Raf8 20. Rf1 e4 21. Qxe4 Rxf2 22. Rxf2 Qxf2+ 23. Kh2 Qd2? { (-0.73 → 0.38) Mistake. Qf5 was best. } (23... Qf5 24. Qe3 Qf4+ 25. Qxf4 Rxf4 26. Rd1 g6 27. Rd8+ Rf8 28. Rd6 Rf2 29. b3 e5 30. c4) 24. Ra1? { (0.38 → -0.87) Mistake. Qxe6+ was best. } (24. Qxe6+ Kh8 25. Rf1 Qd8 26. Rxf8+ Qxf8 27. h4 h6 28. Kh3 Qd8 29. b4 Qd2 30. Qe8+ Kh7) 24... Rf2? { (-0.87 → 0.48) Mistake. Qd6+ was best. } (24... Qd6+ 25. Kg1) 25. Qxe6+ Kf8 26. Qc8+ Kf7 27. Qxb7+ Kg6 28. Qc6+ Kf7 29. Qc7+ Ke6?? { (0.80 → 5.10) Blunder. Kf6 was best. } (29... Kf6) 30. Qc6+?? { (5.10 → 0.31) Blunder. Qxg7 was best. } (30. Qxg7) 30... Ke5?? { (0.31 → 7.81) Blunder. Qd6+ was best. } (30... Qd6+ 31. Qxd6+ Kxd6 32. Rd1+ Ke6 33. Rc1 Re2 34. b3 g6 35. c4 Re3 36. c5 bxc5 37. Rxc5) 31. Qb5+?? { (7.81 → 0.51) Blunder. Re1+ was best. } (31. Re1+ Qxe1) 31... Kd4?? { (0.51 → 3.79) Blunder. Kf6 was best. } (31... Kf6 32. Qc6+) 32. Qa4+? { (3.79 → 2.04) Mistake. Rg1 was best. } (32. Rg1 g5) 32... Kc5 33. b4+?? { (1.72 → 0.00) Blunder. Qg4 was best. } (33. Qg4) 33... Kd6 34. Qxa7?? { (0.00 → Mate in 3) Checkmate is now unavoidable. Rg1 was best. } (34. Rg1 Rxg2+ 35. Rxg2 Qf4+ 36. Kg1 Qc1+ 37. Kf2 Qd2+ 38. Kg3 Qg5+ 39. Kf3 Qd5+ 40. Kf2) 34... Rxg2+ 35. Kh1 Rh2+ 36. Kg1 Qg2# { Black wins by checkmate. } 0-1
RapidOverall
1001011010010101100101010101
410
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