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Puzzles (3 cohencoins award for each match):

Puzzle KZdOn: 557

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/qoaeg41Q"] [Date "2026.04.06"] [White "Jhaedon"] [Black "Luka"] [Result "1-0"] [UTCDate "2026.04.06"] [UTCTime "15:05:41"] [WhiteElo "1132"] [BlackElo "1126"] [WhiteRatingDiff "+33"] [BlackRatingDiff "-29"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "English Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 b6?! { (0.43 → 1.13) Inaccuracy. Nf6 was best. } { A40 English Defense } (1... Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Bxc3+ 7. bxc3 Qxf6 8. cxd5) 2. e4 c5?! { (0.95 → 1.54) Inaccuracy. e6 was best. } (2... e6 3. Nf3 Bb7 4. Bd3 c5 5. c3 Nf6 6. Qe2 d5 7. e5 Nfd7 8. Na3 c4 9. Bc2) 3. c3?! { (1.54 → 0.87) Inaccuracy. d5 was best. } (3. d5 d6 4. Nc3 a6 5. a4 Nf6 6. Bc4 g6 7. f4 Bg7 8. Nf3 O-O 9. O-O Ne8) 3... cxd4 4. cxd4 Nc6?! { (1.33 → 2.39) Inaccuracy. e6 was best. } (4... e6 5. a3 Bb7 6. Bd3 f5 7. exf5 Bxg2 8. Qh5+ g6 9. fxg6 Bg7 10. gxh7+ Kf8 11. hxg8=Q+) 5. Nf3 e5?! { (1.90 → 2.78) Inaccuracy. e6 was best. } (5... e6 6. Nc3 Bb4 7. d5 exd5 8. exd5 Na5 9. Bd3 Nf6 10. O-O Bxc3 11. bxc3 O-O 12. Bg5) 6. Bc4? { (2.78 → 1.34) Mistake. dxe5 was best. } (6. dxe5 Nge7) 6... Nf6?? { (1.34 → 3.93) Blunder. exd4 was best. } (6... exd4 7. Nxd4 Bc5 8. Nf5 Qf6 9. Be3 Bxe3 10. fxe3 Nh6 11. O-O O-O 12. Qd6 Nxf5 13. Qxf6) 7. Nc3?? { (3.93 → 1.04) Blunder. dxe5 was best. } (7. dxe5 Ng4 8. Qd5 Bb4+ 9. Nc3 Qe7 10. h3 Ngxe5 11. Nxe5 Qxe5 12. Qxf7+ Kd8 13. O-O Bd6) 7... d5?? { (1.04 → 6.10) Blunder. exd4 was best. } (7... exd4) 8. Bxd5?? { (6.10 → 2.22) Blunder. exd5 was best. } (8. exd5 exd4) 8... Nxd5 9. exd5 Bb4?? { (2.66 → 9.00) Blunder. exd4 was best. } (9... exd4 10. Nxd4) 10. dxc6 Bxc3+ 11. bxc3 O-O 12. Bg5 Qd5 13. O-O Bg4 14. h3 Bxf3 15. gxf3 f6 16. Bh4 g5 17. Bg3 f5 18. Bxe5 Rf7 19. Rc1 Re7 20. c4 Qxc6 21. Bf6?? { (9.14 → 2.15) Blunder. Qb3 was best. } (21. Qb3 Rxe5) 21... Qxf6 22. d5?! { (2.77 → 1.85) Inaccuracy. c5 was best. } (22. c5) 22... g4 23. fxg4 fxg4 24. hxg4 Qg5?! { (1.45 → 2.49) Inaccuracy. Re4 was best. } (24... Re4) 25. d6? { (2.49 → 1.30) Mistake. Rc3 was best. } (25. Rc3 Rf8) 25... Re6? { (1.30 → 2.66) Mistake. Re4 was best. } (25... Re4 26. f3 Qe3+ 27. Rf2 Rd4 28. Qe1 Qf4 29. Qe6+ Kh8 30. Re1 Rxd6 31. Qe5+ Qxe5 32. Rxe5) 26. Re1?? { (2.66 → 0.00) Blunder. Rc3 was best. } (26. Rc3 Rd8) 26... Rh6?? { (0.00 → 8.98) Blunder. Rxe1+ was best. } (26... Rxe1+ 27. Qxe1 Qxg4+ 28. Kh2 Qh4+ 29. Kg1) 27. Kf1?? { (8.98 → 0.00) Blunder. d7 was best. } (27. d7 Kg7 28. Qd4+ Kf7 29. Rc3 Rd8 30. Rce3 Rg6 31. Rf3+ Rf6 32. Rxf6+ Qxf6 33. Qd3 Kf8) 27... Rh1+ 28. Ke2?? { (0.00 → -5.66) Blunder. Kg2 was best. } (28. Kg2 Rxe1 29. Qxe1 Qxg4+ 30. Kf1 Qh3+ 31. Kg1 Qg4+) 28... Rxe1+?? { (-5.66 → 3.62) Blunder. Re8+ was best. } (28... Re8+ 29. Kf3 Rhxe1 30. Qxe1 Qf6+ 31. Kg2 Rxe1 32. Rxe1 Qxd6 33. Re8+ Kg7 34. Re3 Qc6+ 35. Kh2) 29. Qxe1?? { (3.62 → -5.85) Blunder. Kxe1 was best. } (29. Kxe1) 29... Qxg4+?? { (-5.85 → 0.00) Blunder. Re8+ was best. } (29... Re8+) 30. Kd2 Rd8 31. c5?? { (0.00 → -1.56) Blunder. Qe5 was best. } (31. Qe5 Qg6 32. Kc3 Rxd6 33. Kb4 Rf6 34. Qb8+ Rf8 35. Qg3 Qxg3 36. fxg3 Rf3 37. Rg1 Rf7) 31... Qd4+ 32. Ke2?? { (-1.59 → -6.80) Blunder. Kc2 was best. } (32. Kc2 Qxc5+ 33. Kb1 Qf5+ 34. Ka1 Qf6+ 35. Kb1 Qg6+ 36. Ka1 Qxd6 37. Qg1+ Kh8 38. Qg3 Qd7) 32... bxc5?? { (-6.80 → -0.08) Blunder. Re8+ was best. } (32... Re8+) 33. Rd1?? { (-0.08 → -7.21) Blunder. Kf1 was best. } (33. Kf1 Qd3+) 33... Qe4+ 34. Kf1 Qg6?? { (-7.42 → 3.39) Blunder. Qh1+ was best. } (34... Qh1+ 35. Ke2 Re8+ 36. Kd2 Rxe1 37. Rxe1 Qd5+ 38. Ke2 Qxd6 39. Kf1 c4 40. Re8+ Kf7 41. Re3) 35. Qe7?? { (3.39 → 0.68) Blunder. Qe5 was best. } (35. Qe5 h6) 35... Rf8?? { (0.68 → 6.65) Blunder. Re8 was best. } (35... Re8 36. Qh4 Kh8 37. d7 Qa6+ 38. Kg2 Qg6+ 39. Qg3 Rd8 40. Qxg6 hxg6 41. Kf3 Kg7 42. Rd6) 36. d7 Qf5 37. Rd2?? { (7.76 → 0.00) Blunder. Qh4 was best. } (37. Qh4 Kf7 38. d8=Q Rxd8 39. Rxd8 Qb1+ 40. Kg2 Qg6+ 41. Kh2 Qf5 42. Rd2 Qf6 43. Qh5+ Qg6) 37... c4?? { (0.00 → 8.97) Blunder. Qh3+ was best. } (37... Qh3+ 38. Ke1 Qh1+ 39. Ke2 Qf3+ 40. Kf1) 38. d8=Q?? { (8.97 → 0.00) Blunder. Qxf8+ was best. } (38. Qxf8+) 38... Rxd8?? { (0.00 → Mate in 2) Checkmate is now unavoidable. Qh3+ was best. } (38... Qh3+ 39. Kg1 Qg4+ 40. Kh2 Qf4+ 41. Kh3 Qf3+ 42. Kh4 Qh1+ 43. Kg5 Qg1+ 44. Kh5 Qg6+ 45. Kh4) 39. Qxd8+? { (Mate in 2 → 8.82) Lost forced checkmate sequence. Rxd8+ was best. } (39. Rxd8+ Qf8 40. Rxf8#) 39... Kf7 40. Qc7+ Ke6? { (9.28 → Mate in 6) Checkmate is now unavoidable. Kg6 was best. } (40... Kg6 41. Qxc4) 41. Rd6+ Ke5 42. Qc5+ Kf4 43. Rd4+? { (Mate in 8 → 9.18) Lost forced checkmate sequence. Qe3+ was best. } (43. Qe3+ Kg4 44. Kg2 Qg5 45. Qe4+ Qf4 46. f3+ Kg5 47. Qe7+ Kh5 48. Qxh7+ Kg5 49. Qh6+ Kf5) 43... Kf3? { (9.18 → Mate in 1) Checkmate is now unavoidable. Kg5 was best. } (43... Kg5 44. Qxc4) 44. Qxf5# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting