Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/KkLE0R18"]
[Date "2026.02.07"]
[White "Henry6"]
[Black "Vladimir"]
[Result "0-1"]
[UTCDate "2026.02.07"]
[UTCTime "18:39:27"]
[WhiteElo "1336"]
[BlackElo "1314"]
[WhiteRatingDiff "-59"]
[BlackRatingDiff "+11"]
[WhiteTitle "IM"]
[BlackTitle "GM🐧"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Three Knights Opening"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 { C46 Three Knights Opening } Nd4?? { (0.18 → 1.83) Blunder. Nf6 was best. } (3... Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2) 4. Nxd4? { (1.83 → 0.44) Mistake. Nxe5 was best. } (4. Nxe5 Bc5 5. d3 Nf6 6. Be3 d6 7. Nf3 Bg4 8. Be2 Bxf3 9. Bxf3 O-O 10. O-O Re8) 4... Nf6?? { (0.44 → 8.09) Blunder. exd4 was best. } (4... exd4 5. Nb5) 5. Nf3 Bc5 6. h3 O-O 7. Be2 d6 8. O-O Be6 9. b3 Bd7 10. Bb2 Nh5 11. Nh4? { (8.15 → 4.41) Mistake. Nxe5 was best. } (11. Nxe5 dxe5 12. Bxh5 Qg5 13. Bg4 Bxg4 14. Qxg4 Qxg4 15. hxg4 Bd4 16. Ba3 Bxc3 17. dxc3 c5) 11... Nf4 12. d3?? { (4.58 → -4.41) Blunder. Nf3 was best. } (12. Nf3) 12... Qxh4 13. Nd5? { (-4.19 → -7.82) Mistake. Bf3 was best. } (13. Bf3 f5) 13... Ne6?? { (-7.82 → 0.50) Blunder. Nxh3+ was best. } (13... Nxh3+ 14. gxh3 Bxh3 15. d4 Qg5+ 16. Bg4 Bxg4 17. Qc1 Qh4 18. Qe3 exd4 19. Qg3 Qxg3+ 20. fxg3) 14. Bg4?! { (0.50 → -0.03) Inaccuracy. b4 was best. } (14. b4 Bb6 15. Bg4 g6 16. Nxb6 axb6 17. Bxe6 Bxe6 18. f4 exf4 19. Qd2 g5 20. Qc3 f6) 14... Nd4?? { (-0.03 → 7.91) Blunder. c6 was best. } (14... c6 15. b4 cxd5 16. bxc5 Nxc5 17. Bxd7 Nxd7 18. exd5 b5 19. f4 exf4 20. Qd2 Qg5 21. Qxf4) 15. Nxc7?? { (7.91 → 1.00) Blunder. Bxd7 was best. } (15. Bxd7 c6) 15... Rac8?! { (1.00 → 1.60) Inaccuracy. f5 was best. } (15... f5 16. exf5 h5 17. Bxh5 Rxf5 18. Qg4 Nf3+ 19. Kh1 Qxh5 20. Qxh5 Rxh5 21. Nxa8 Nh4 22. f3) 16. Bxd7?! { (1.60 → 0.87) Inaccuracy. Nd5 was best. } (16. Nd5 f5 17. exf5 Bxf5 18. b4 Bb6 19. Bxf5 Nxf5 20. Nxb6 axb6 21. c4 Rf6 22. Qf3 Rcf8) 16... Rxc7 17. Bb5?? { (0.64 → -6.78) Blunder. Bf5 was best. } (17. Bf5 d5 18. Qg4 Qxg4 19. Bxg4 dxe4 20. dxe4 Nxc2 21. Bxe5 Re7 22. Rac1 Rxe5 23. Rxc2 Bb6) 17... Nxb5 18. Qf3 Nd4 19. Bxd4 Bxd4 20. Rae1 Bc3 21. g3 Qxh3 22. Re3 Bd4 23. Re2 Rc6 24. c4 Bb6 25. a4 Ba5 26. Re3 Bc3 27. Re2 Re8 28. Re3 Bd4 29. Re2 Re6 30. Ree1 Rh6 31. Qg2 Qh4?? { (-10.03 → 3.82) Blunder. Qg4 was best. } (31... Qg4) 32. Re2?? { (3.82 → -10.21) Blunder. gxh4 was best. } (32. gxh4 Rg6) 32... g6?? { (-10.21 → 6.25) Blunder. Qh5 was best. } (32... Qh5 33. Rc2) 33. gxh4 Rxh4 34. Qg3 Rh5 35. Qg4 Rb6 36. Qc8+ Kg7 37. Qd7 Rxb3 38. Qxd6?! { (4.58 → 3.27) Inaccuracy. Rd2 was best. } (38. Rd2 Bc3 39. Rdd1 Bd4 40. Kg2 Rg5+ 41. Kf3 h5 42. Rd2 Bc5 43. Ke2 Rg4 44. a5 Rh4) 38... Rxd3?! { (3.27 → 4.85) Inaccuracy. Rb6 was best. } (38... Rb6 39. Qd7) 39. Qd7?? { (4.85 → Mate in 1) Checkmate is now unavoidable. Re3 was best. } (39. Re3 Rxe3) 39... Rf3?? { (Mate in 1 → 5.17) Lost forced checkmate sequence. Rg3# was best. } (39... Rg3#) 40. Qd6?? { (5.17 → Mate in 1) Checkmate is now unavoidable. Kg2 was best. } (40. Kg2) 40... Rf4?? { (Mate in 1 → -1.35) Lost forced checkmate sequence. Rg3# was best. } (40... Rg3#) 41. Qa3?? { (-1.35 → Mate in 2) Checkmate is now unavoidable. Kg2 was best. } (41. Kg2 Rg5+ 42. Kh3 Kh6 43. Qa3 Kh5 44. Kh2 Rh4+ 45. Qh3 Rg4 46. Rb1 Rxh3+ 47. Kxh3 b6) 41... Rg4+ 42. Qg3 Rxg3# { Black wins by checkmate. } 0-1