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Puzzles (3 cohencoins award for each match):

Puzzle ATRwi: 1010

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/6c4IjRxI"] [Date "2025.10.27"] [White "Drew"] [Black "TC"] [Result "1-0"] [UTCDate "2025.10.27"] [UTCTime "23:26:26"] [WhiteElo "1615"] [BlackElo "926"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B06"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 g6 { B06 Modern Defense } 2. Bc4 Nh6?! { (0.53 → 1.32) Inaccuracy. c5 was best. } (2... c5 3. c3 e6 4. d4 d5 5. exd5 exd5 6. Bb5+ Nc6 7. Nf3 c4 8. O-O Bg7 9. Bxc6+) 3. d3?! { (1.32 → 0.76) Inaccuracy. d4 was best. } (3. d4 c6) 3... Bg7 4. Qf3 O-O 5. Bxh6? { (0.57 → -0.75) Mistake. h4 was best. } (5. h4 Ng4) 5... Bxh6 6. Nc3 Bg5?? { (-1.00 → 0.85) Blunder. Nc6 was best. } (6... Nc6) 7. h4 Bf6?! { (0.77 → 1.36) Inaccuracy. Bh6 was best. } (7... Bh6 8. Qg3) 8. h5 Bg7?? { (1.21 → 4.49) Blunder. g5 was best. } (8... g5 9. Qg3) 9. h6?? { (4.49 → 0.22) Blunder. hxg6 was best. } (9. hxg6 e6) 9... Bxh6?? { (0.22 → 9.91) Blunder. Bh8 was best. } (9... Bh8 10. Qg3 c6 11. f4 d5 12. Bb3 a5 13. a4 Na6 14. Nf3 Nc5 15. e5 Nxb3 16. cxb3) 10. Rxh6 Kg7 11. Qh3 f5? { (9.77 → Mate in 5) Checkmate is now unavoidable. Rh8 was best. } (11... Rh8) 12. Rxh7+ Kf6 13. Nd5+ Ke6 14. Nf4+?! { (Mate in 6 → 16.78) Lost forced checkmate sequence. Qg3 was best. } (14. Qg3 d6 15. Nb6+ d5 16. exd5+ Kf6 17. Nf3 Qxd5 18. Nxd5+ Ke6 19. Rxe7#) 14... Kf6?! { (16.78 → Mate in 3) Checkmate is now unavoidable. Kd6 was best. } (14... Kd6 15. e5+) 15. e5+ Kxe5 16. Nxg6+?! { (Mate in 4 → 16.88) Lost forced checkmate sequence. Qe3+ was best. } (16. Qe3+ Kd6 17. Qd4+ Kc6 18. Qd5+ Kb6 19. Qb5#) 16... Kf6?! { (16.88 → Mate in 2) Checkmate is now unavoidable. Kd6 was best. } (16... Kd6 17. Qe3) 17. Nxf8 Qxf8 18. Qh4+ Kg6 19. Qh5+ Kf6 20. Rf7+ Ke5 21. Nf3+ Kd6 22. Qh6+?? { (78.74 → -5.99) Blunder. Qxf5 was best. } (22. Qxf5 c5 23. Qe5+ Kc6 24. Rxf8 Kb6 25. Rxc8 Na6 26. Rxa8 Nb4 27. Qxe7 Nxc2+ 28. Kd1 Ne3+) 22... Qxh6 23. Rd1 a5 24. Nd4 Qh8 25. Nxf5+ Ke5?? { (-6.22 → 9.97) Blunder. Kc5 was best. } (25... Kc5 26. Ne3) 26. Rxe7+?? { (9.97 → -6.53) Blunder. d4+ was best. } (26. d4+ Kf4 27. Nxe7+ Kg5 28. f4+ Kg4 29. Kf2 Qh4+ 30. Kg1 Qxe7 31. Rxe7 d5 32. Bxd5 Nc6) 26... Kxf5 27. Rd2?! { (-5.51 → -8.38) Inaccuracy. d4 was best. } (27. d4 Qh1+) 27... Qd8?! { (-8.38 → -5.41) Inaccuracy. Nc6 was best. } (27... Nc6) 28. Rf7+?! { (-5.41 → -7.99) Inaccuracy. Rde2 was best. } (28. Rde2 d5) 28... Kg6 29. Re2 Ra6?! { (-9.00 → -4.93) Inaccuracy. d5 was best. } (29... d5 30. Ree7 Be6 31. Bxd5 Bxd5 32. Rg7+ Kf6 33. Rxc7 Na6 34. Rxb7 Bxb7 35. Rxb7 Qd5 36. Rb3) 30. Re3?! { (-4.93 → -7.68) Inaccuracy. Ree7 was best. } (30. Ree7 Qh8) 30... c6?? { (-7.68 → 0.00) Blunder. d5 was best. } (30... d5 31. Bxd5 Qxd5 32. Rf8 Qxa2 33. Rxc8 Qb1+ 34. Ke2 Qxc2+ 35. Kf1 Nd7 36. Kg1 Nf6 37. Rg3+) 31. Rg3+ Kh6 32. Rfg7?! { (0.00 → -0.99) Inaccuracy. Rh3+ was best. } (32. Rh3+ Kg5 33. Rg3+ Kh6) 32... Kh5?? { (-0.99 → Mate in 1) Checkmate is now unavoidable. d5 was best. } (32... d5) 33. Rh7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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