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Puzzles (3 cohencoins award for each match):

Puzzle Trtuw: 600

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/sElwfVRi"] [Date "2025.11.03"] [White "ReId3"] [Black "Chris1"] [Result "1-0"] [UTCDate "2025.11.03"] [UTCTime "16:11:55"] [WhiteElo "1140"] [BlackElo "1175"] [WhiteRatingDiff "+17"] [BlackRatingDiff "-161"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. e3 { D00 Queen's Pawn Game } Nc6 3. Nf3 Nf6 4. Bd3?! { (0.78 → -0.03) Inaccuracy. c4 was best. } (4. c4 e6) 4... e5?? { (-0.03 → 1.63) Blunder. Nb4 was best. } (4... Nb4) 5. O-O?? { (1.63 → -5.87) Blunder. Nxe5 was best. } (5. Nxe5) 5... Be6?? { (-5.87 → 1.98) Blunder. e4 was best. } (5... e4) 6. dxe5 Nd7 7. Nc3? { (1.74 → 0.33) Mistake. Bb5 was best. } (7. Bb5 a6) 7... Bd6?? { (0.33 → 9.76) Blunder. Ndxe5 was best. } (7... Ndxe5 8. e4 Nxf3+ 9. Qxf3 d4 10. Ne2 Qd7 11. Nf4 O-O-O 12. Nxe6 Qxe6 13. Qe2 Ne5 14. Bf4) 8. exd6 cxd6 9. Nb5 a6 10. Nxd6+ Ke7 11. Nxb7 Qc7 12. Ne5?? { (9.33 → 0.15) Blunder. b3 was best. } (12. b3 Qxb7) 12... Ndxe5?? { (0.15 → 6.00) Blunder. Ncxe5 was best. } (12... Ncxe5) 13. Nc5 Qd6 14. Nxe6 fxe6 15. e4 dxe4 16. Bxe4 Nb4 17. Bxa8 Qb8 18. Bg5+ Kf7 19. a3 Nbc6 20. Bxc6 Qxb2 21. Bd8 Qb8 22. Rb1 Qc8 23. Bc7 Qxc7 24. Re1 Qxc6 25. Rxe5 Qc7? { (9.53 → Mate in 9) Checkmate is now unavoidable. Rc8 was best. } (25... Rc8) 26. c4?? { (Mate in 9 → 4.84) Lost forced checkmate sequence. Qf3+ was best. } (26. Qf3+ Ke7 27. Qf5 Qxe5 28. Qxe5 Rd8 29. Rb7+ Rd7 30. Qxg7+ Kd6 31. Qd4+ Ke7 32. Rxd7+ Ke8) 26... Qxe5 27. Qd7+ Kf6 28. a4?! { (3.54 → 2.30) Inaccuracy. h3 was best. } (28. h3 Rb8 29. Rxb8 Qxb8 30. c5 Qe5 31. Qc8 Qa1+ 32. Kh2 Qxa3 33. Qf8+ Kg6 34. Qd6 Kf7) 28... Qe4?! { (2.30 → 3.15) Inaccuracy. Rb8 was best. } (28... Rb8 29. Rd1) 29. Rd1? { (3.15 → 1.53) Mistake. Rc1 was best. } (29. Rc1 Rb8 30. g3 Rb1 31. Qd1 Rxc1 32. Qxc1 Ke7 33. c5 Qd5 34. Qc2 g6 35. h3 Kd8) 29... Qe2?? { (1.53 → 4.69) Blunder. Qxc4 was best. } (29... Qxc4) 30. Qd4+ e5? { (3.85 → 7.06) Mistake. Qe5 was best. } (30... Qe5 31. Qh4+) 31. Qd6+ Kf5 32. f3?! { (8.77 → 5.84) Inaccuracy. Qd7+ was best. } (32. Qd7+ Kf4) 32... e4?? { (5.84 → Mate in 1) Checkmate is now unavoidable. Re8 was best. } (32... Re8 33. Qd7+) 33. fxe4+? { (Mate in 1 → 8.52) Lost forced checkmate sequence. Rd5# was best. } (33. Rd5#) 33... Kxe4? { (8.52 → Mate in 3) Checkmate is now unavoidable. Qxe4 was best. } (33... Qxe4 34. Rd5+ Qxd5 35. Qxd5+ Kf6 36. Qd6+ Kf7 37. Qf4+ Kg8 38. Qb8+ Kf7 39. Qb7+ Kg6 40. Qxa6+) 34. Qe6+ Kf4 35. Qxe2 g6 36. Rf1+ Kg5 37. Qe3+ Kg4 38. Qg3+ Kh5 39. Rf4 g5 40. Rg4 Kg6 41. Rxg5+ Kf6 42. Qf4+ Ke6 43. Re5+ Kd6 44. Qd4+ Kc6 45. Rc5+ Kb6 46. Qd6+ Kb7 47. Rf5 Kc8 48. Rf7 a5 49. Qc7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting