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Puzzles (3 cohencoins award for each match):

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/xGW1dBbA"] [Date "2025.12.09"] [White "Christian1"] [Black "Jett1"] [Result "0-1"] [UTCDate "2025.12.09"] [UTCTime "21:36:38"] [WhiteElo "1683"] [BlackElo "1186"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+32"] [WhiteTitle "NM🐍"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C48"] [Opening "Four Knights Game: Ranken Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 a6?! { (0.01 → 0.81) Inaccuracy. Nd4 was best. } (4... Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Bxe2 Bc5 11. O-O) 5. Bxc6 { C48 Four Knights Game: Ranken Variation } bxc6? { (0.67 → 2.08) Mistake. dxc6 was best. } (5... dxc6 6. Nxe5 Nxe4 7. Nxe4 Qd5 8. O-O Qxe5 9. d4 Qf5 10. Ng3 Qd5 11. Bf4 Bd6 12. Bxd6) 6. d3?? { (2.08 → 0.43) Blunder. Nxe5 was best. } (6. Nxe5) 6... Bb4? { (0.43 → 1.82) Mistake. d6 was best. } (6... d6) 7. Bg5?? { (1.82 → -0.01) Blunder. Nxe5 was best. } (7. Nxe5) 7... O-O?! { (-0.01 → 0.93) Inaccuracy. d6 was best. } (7... d6 8. O-O) 8. O-O?! { (0.93 → 0.10) Inaccuracy. Nxe5 was best. } (8. Nxe5 d5 9. O-O Qd6 10. Bxf6 Qxf6 11. d4 Bxc3 12. bxc3 dxe4 13. Qe2 c5 14. Qxe4 Bf5) 8... Bxc3 9. bxc3 h6 10. Bxf6 Qxf6 11. Qd2 d5 12. exd5?! { (0.04 → -0.72) Inaccuracy. Qe3 was best. } (12. Qe3 Re8) 12... cxd5 13. Rfe1 e4?! { (-0.62 → 0.38) Inaccuracy. Re8 was best. } (13... Re8 14. Qe3) 14. dxe4 dxe4 15. Rxe4 Bf5 16. Rf4 g5 17. Rd4 Rfe8 18. Rd1?! { (0.92 → 0.00) Inaccuracy. h4 was best. } (18. h4 g4 19. Nh2 h5 20. f3 gxf3 21. Nxf3 Bg6 22. Rf1 Re7 23. Rd5 Rae8 24. Nd4 Qxh4) 18... Rad8?? { (0.00 → 8.90) Blunder. Be4 was best. } (18... Be4 19. h4 gxh4 20. Nh2 Qg5 21. f3 Bg6 22. f4 Qg3 23. Nf1 Qg4 24. Ne3 Qg3) 19. Rxd8 Rxd8 20. Qxd8+ Qxd8 21. Rxd8+ Kg7 22. Ne5 Bxc2 23. Rd7 Kf6 24. Rxc7 Kxe5 25. Rxf7 Bb1 { Black offers draw } 26. Rh7?? { (8.37 → -5.72) Blunder. a4 was best. } (26. a4 Kd5 27. a5 Kc4 28. Rc7+ Kb3 29. Rb7+ Kc4 30. Rxb1 Kxc3 31. Rb6 Kc4 32. Kf1 h5) 26... Bxh7 27. Kf1 Bb1 28. Ke2 Bxa2 29. Kd3 Kd5 30. g3 Bc4+ 31. Kc2 Ke4 32. Kb2 Kf3 33. Ka3 Kxf2 34. Kb4 Bd3 35. c4 Be4 36. c5 Kg2 37. Ka5 Kxh2 38. Kxa6 Kxg3 39. Kb6 Bf5 40. c6 h5 41. c7 h4 42. Kb7 h3 43. c8=Q Bxc8+ 44. Kxc8 h2 { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting