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Puzzles (3 cohencoins award for each match):

Puzzle nl3Gv: 345

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/zSJ9YHhy"] [Date "2025.10.28"] [White "Bohdan"] [Black "Ezra1"] [Result "1-0"] [UTCDate "2025.10.28"] [UTCTime "20:03:53"] [WhiteElo "1455"] [BlackElo "1501"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-10"] [WhiteTitle "🐍"] [BlackTitle "😼"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B06"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 g6 { B06 Modern Defense } 2. Nc3 Bg7 3. Bc4?! { (0.75 → 0.13) Inaccuracy. d4 was best. } (3. d4 d6) 3... d6 4. Nf3 Bg4?? { (0.28 → 3.31) Blunder. c5 was best. } (4... c5 5. d4) 5. h3?? { (3.31 → 0.12) Blunder. Bxf7+ was best. } (5. Bxf7+ Kxf7 6. Ng5+ Ke8 7. Qxg4 Bxc3 8. bxc3 Nf6 9. Qe6 Qd7 10. Qf7+ Kd8 11. d3 Kc8) 5... Bxf3 6. Qxf3 e6 7. O-O Nf6?! { (0.07 → 0.96) Inaccuracy. Ne7 was best. } (7... Ne7 8. Bb3) 8. d3?! { (0.96 → 0.24) Inaccuracy. d4 was best. } (8. d4 Nbd7 9. a4 c6 10. Bb3 O-O 11. Rd1 a5 12. Bg5 Qc7 13. Bf4 Rae8 14. Bh2 e5) 8... a6?? { (0.24 → 2.67) Blunder. Nc6 was best. } (8... Nc6 9. Be3) 9. Bg5?? { (2.67 → 0.12) Blunder. e5 was best. } (9. e5) 9... O-O?! { (0.12 → 1.12) Inaccuracy. Nc6 was best. } (9... Nc6 10. Bb3 h6 11. Bc1 Nd4 12. Qe3 Nd7 13. Ne2 Nxb3 14. axb3 O-O 15. f4 f5 16. b4) 10. Bxf6?? { (1.12 → -1.20) Blunder. e5 was best. } (10. e5 dxe5) 10... Bxf6 11. e5?! { (-1.20 → -2.10) Inaccuracy. Ne2 was best. } (11. Ne2 Bxb2) 11... dxe5?? { (-2.10 → 0.00) Blunder. Bxe5 was best. } (11... Bxe5 12. Qxb7 Nd7 13. Bb3 c5 14. Na4 a5 15. c3 d5 16. Rae1 Rb8 17. Qc6 Rc8 18. Qb7) 12. Qxb7 Nd7 13. Qf3 Qb8 14. Ne4 Bg7 15. Qg3? { (0.19 → -0.92) Mistake. a4 was best. } (15. a4) 15... Qxb2 16. Qh4 f5?? { (-1.37 → 5.77) Blunder. Nb6 was best. } (16... Nb6 17. Rab1) 17. Ng5 h6 18. Nxe6 Rf7 19. Nxg7 Kxg7 20. Bxf7 Kxf7 21. Qxh6 Qxc2 22. Qh7+ Ke6 23. Qxg6+ Nf6 24. Rac1 Qxd3 25. Rc6+ Kd7 26. Qxf6 e4?! { (12.42 → Mate in 7) Checkmate is now unavoidable. Rf8 was best. } (26... Rf8) 27. Rcc1?! { (Mate in 7 → 13.43) Lost forced checkmate sequence. Rfc1 was best. } (27. Rfc1 Ra7 28. Qe6+ Kd8 29. Qg8+ Kd7 30. Re6 Qf1+ 31. Rxf1 c5 32. Qf7+ Kd8 33. Re8#) 27... e3?! { (13.43 → Mate in 7) Checkmate is now unavoidable. c5 was best. } (27... c5 28. Qxf5+) 28. Rcd1?! { (Mate in 7 → 16.54) Lost forced checkmate sequence. Qf7+ was best. } { Black resigns. } (28. Qf7+ Kd8 29. Rfd1 Qd2 30. fxe3 Qxd1+ 31. Rxd1+ Kc8 32. Qd7+ Kb8 33. Rb1+ Ka7 34. Qxc7#) 1-0
Computer analysisMove timesCrosstableFEN & PGN
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