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Puzzles (3 cohencoins award for each match):

Puzzle AqkRu: 747

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/BdntFbS6"] [Date "2025.09.02"] [White "Rhys1"] [Black "Robbie3"] [Result "1-0"] [UTCDate "2025.09.02"] [UTCTime "14:23:22"] [WhiteElo "1400"] [BlackElo "1144"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-6"] [BlackTitle "NM"] [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 Bb4 6. Nxc6 bxc6 7. Bd2 O-O 8. Qf3?? { (0.10 → -1.63) Blunder. Bd3 was best. } (8. Bd3 d5 9. O-O Rb8 10. Re1 Ng4 11. h3 Ne5 12. exd5 Nxd3 13. cxd3 cxd5 14. a3 Bd6) 8... d5 9. exd5?? { (-1.87 → -5.38) Blunder. h3 was best. } (9. h3) 9... cxd5? { (-5.38 → -3.05) Mistake. Bg4 was best. } (9... Bg4) 10. Qf4? { (-3.05 → -5.20) Mistake. Be2 was best. } (10. Be2 Bg4 11. Qf4 Bd6 12. Qa4 Bxe2 13. Nxe2 Re8 14. Be3 c5 15. c3 Qc7 16. h3 Rab8) 10... d4? { (-5.20 → -3.10) Mistake. Re8+ was best. } (10... Re8+ 11. Ne2) 11. Nb1?? { (-3.10 → -7.79) Blunder. Ne2 was best. } (11. Ne2 Nd5 12. Qxd4 c5 13. Qd3 Ba6 14. c4 Bxd2+ 15. Qxd2 Nb4 16. O-O-O Qa5 17. Nc3 Rad8) 11... Nd5?! { (-7.79 → -5.25) Inaccuracy. Re8+ was best. } (11... Re8+ 12. Kd1) 12. Qxd4 Bxd2+?! { (-5.74 → -4.33) Inaccuracy. Re8+ was best. } (12... Re8+) 13. Qxd2 c6?? { (-4.86 → -0.19) Blunder. Qf6 was best. } (13... Qf6 14. Nc3) 14. Nc3? { (-0.19 → -1.37) Mistake. Be2 was best. } (14. Be2 Rb8 15. Nc3 Rxb2 16. Nxd5 cxd5 17. O-O Bf5 18. Bd3 Bxd3 19. Qxd3 g6 20. Rad1 Qa8) 14... Nxc3? { (-1.37 → -0.10) Mistake. Qe7+ was best. } (14... Qe7+ 15. Be2 Nxc3 16. bxc3 Ba6 17. Kf1 Rad8 18. Qe1 Bxe2+ 19. Qxe2 Qc5 20. h4 Rfe8 21. Qf3) 15. Qxc3?? { (-0.10 → -7.34) Blunder. Qxd8 was best. } (15. Qxd8 Rxd8 16. bxc3 Bf5 17. Bd3 Bxd3 18. cxd3 Rxd3 19. Ke2 Rd5 20. Rhd1 Rc5 21. g3 Rxc3) 15... Qd7?? { (-7.34 → 1.00) Blunder. Re8+ was best. } (15... Re8+) 16. Bd3 Qe8+?? { (0.62 → 2.38) Blunder. Re8+ was best. } (16... Re8+ 17. Kf1) 17. Be2?? { (2.38 → -0.35) Blunder. Kf1 was best. } (17. Kf1 Be6) 17... Bb7?? { (-0.35 → 1.90) Blunder. Ba6 was best. } (17... Ba6 18. Qe3 Qb8 19. O-O Re8 20. Qxe8+ Qxe8 21. Bxa6 Qe5 22. b3 Re8 23. Bc4 g6 24. a4) 18. O-O?? { (1.90 → -5.76) Blunder. Qe3 was best. } (18. Qe3 c5 19. O-O Qxe3 20. fxe3 Be4 21. Rac1 Rad8 22. Rfd1 Rxd1+ 23. Rxd1 Bxc2 24. Rc1 Be4) 18... Bc8?? { (-5.76 → 4.89) Blunder. Qxe2 was best. } (18... Qxe2 19. Rfe1) 19. Bd3?! { (4.89 → 3.82) Inaccuracy. Bf3 was best. } (19. Bf3) 19... g6?! { (3.82 → 5.27) Inaccuracy. Be6 was best. } (19... Be6 20. Rfe1 Qd7 21. Rad1 Qc7 22. b3 Rfd8 23. h3 g6 24. Re5 Rd6 25. Rde1 Rad8 26. h4) 20. Rae1 Qd8 21. Qxc6 Bb7? { (4.70 → 8.52) Mistake. Bd7 was best. } (21... Bd7 22. Qc5 a6 23. Re5 Bb5 24. Rd5 Qf6 25. c4 Rfc8 26. Qd4 Qxd4 27. Rxd4 Bc6 28. Bc2) 22. Qxb7 Rb8 23. Qxa7 Ra8 24. Qc5 Rc8 25. Qb5 Rb8 26. Qe5 Re8 27. Qf4 Rxb2 28. Rxe8+ Qxe8 29. Qc1 Rxa2 30. Re1 Qa8 31. Be4 Qa7 32. Bd5 Ra1 33. Qxa1 Qxa1 34. Rxa1 Kg7 35. Ra6 Kh6 36. c4 Kg7 37. c5 Kf8 38. c6 Ke8 39. c7 Kd7 40. Rc6 Kc8 41. Bc4 h6 42. Ba6+ Kd7 43. c8=Q+ Ke7 44. Qb7+ Kf8 45. Rc8+ Kg7 46. Qb2+ Kh7 47. Qh8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting