Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/vij5EdDe"]
[Date "2026.07.03"]
[White "Armaan"]
[Black "Islomjon"]
[Result "1-0"]
[UTCDate "2026.07.03"]
[UTCTime "23:12:17"]
[WhiteElo "1363"]
[BlackElo "1376"]
[WhiteRatingDiff "+11"]
[BlackRatingDiff "-9"]
[BlackTitle "IM🐣"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Four Knights Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 { C46 Four Knights Game } 4. d3?! { (0.22 → -0.31) Inaccuracy. Bb5 was best. } (4. Bb5 Bb4) 4... Bb4 5. a3 Bxc3+ 6. bxc3 O-O 7. d4? { (0.00 → -1.46) Mistake. c4 was best. } (7. c4 d6 8. h3 a6 9. Rb1 Nd7 10. g3 Nc5 11. Bg2 Na4 12. Bd2 Nc5 13. O-O b5) 7... exd4 8. cxd4?! { (-1.22 → -1.87) Inaccuracy. e5 was best. } (8. e5 Re8 9. cxd4 d6 10. Bb5 dxe5 11. Bxc6 bxc6 12. dxe5 Qxd1+ 13. Kxd1 Ng4 14. Ke1 Bf5) 8... d6?? { (-1.87 → 0.22) Blunder. Nxe4 was best. } (8... Nxe4 9. Bd3) 9. d5 Ne5?! { (0.11 → 0.71) Inaccuracy. Nb8 was best. } (9... Nb8 10. Bd3 Re8 11. O-O Bg4 12. h3 Bh5 13. Re1 Nbd7 14. Rb1 Nc5 15. Rb4 Bg6 16. Nd2) 10. Nxe5 dxe5 11. Bg5 h6 12. Bxf6 Qxf6 13. Qf3?! { (0.52 → -0.25) Inaccuracy. Bd3 was best. } (13. Bd3 a5) 13... Qxf3 14. gxf3 b6 15. O-O-O c5?? { (-0.08 → 2.04) Blunder. Bd7 was best. } (15... Bd7) 16. dxc6 Be6 17. Ba6?! { (2.48 → 1.81) Inaccuracy. Ba6 was best. } (17. Ba6) 17... Bc8 18. Bxc8?? { (2.36 → 0.00) Blunder. Bc4 was best. } (18. Bc4 Be6 19. Bd5 Rfc8 20. Kb2 Kf8 21. Rhg1 Rc7 22. a4 g5 23. Rh1 Rd8 24. Rd3 Ke8) 18... Raxc8 19. Rd6 Rfd8?! { (0.00 → 0.69) Inaccuracy. Rc7 was best. } (19... Rc7 20. Rhd1 f6 21. Rg1 Kf7 22. Rgd1) 20. Rxd8+ Rxd8 21. Rd1 Rc8 22. Rd6 Kf8 23. a4?! { (0.76 → 0.00) Inaccuracy. Kd2 was best. } (23. Kd2) 23... Ke7?! { (0.00 → 0.97) Inaccuracy. Rc7 was best. } (23... Rc7 24. f4 exf4 25. Kd2 Ke7 26. e5 f6 27. Kd3 fxe5 28. Rg6 Kf7 29. Rd6) 24. Rd7+ Ke6? { (0.83 → 2.04) Mistake. Ke8 was best. } (24... Ke8 25. Rxa7 Rxc6 26. Kd2 g5 27. Ra6 Kd7 28. c3 Rf6 29. Ke3 Rc6 30. Kd3 Rf6 31. Kc4) 25. Rxa7 Rxc6 26. a5? { (1.45 → 0.00) Mistake. Kb2 was best. } (26. Kb2 h5 27. Kb3 h4 28. h3 g5 29. Rb7 Kf6 30. c4 Rd6 31. c5 bxc5 32. a5 Rd3+) 26... bxa5 27. Rxa5 Kd6?! { (-0.35 → 0.46) Inaccuracy. Rc3 was best. } (27... Rc3 28. Ra6+ Ke7 29. Ra5 Kf6 30. f4 exf4 31. Rf5+ Ke6 32. Rxf4 Rh3 33. c4 Rxh2 34. Kd2) 28. Ra7 Rc3?? { (0.14 → 4.58) Blunder. Ke6 was best. } (28... Ke6 29. Ra3 g6 30. Kd2 h5 31. c3 Kf6 32. Kd3 Rd6+ 33. Kc2 Rc6 34. Ra7 Kg7 35. Ra5) 29. Rxf7 Kc5?! { (4.70 → 7.00) Inaccuracy. g5 was best. } (29... g5 30. Kb2) 30. Ra7?? { (7.00 → 0.00) Blunder. Kb2 was best. } (30. Kb2) 30... Kd4?? { (0.00 → 7.02) Blunder. Rxf3 was best. } (30... Rxf3 31. Rxg7 Rxf2 32. Rd7 Rxh2 33. Rd5+ Kc4 34. Rxe5 h5 35. Re8 h4 36. Kb2 h3 37. Rc8+) 31. Ra2?? { (7.02 → 0.00) Blunder. Rd7+ was best. } (31. Rd7+) 31... g5?! { (0.00 → 0.63) Inaccuracy. Rxf3 was best. } (31... Rxf3 32. Ra4+ Kc5 33. Ra5+ Kd4) 32. h3?! { (0.63 → 0.00) Inaccuracy. Ra4+ was best. } (32. Ra4+ Kc5) 32... Rxf3 33. Kd1?? { (0.00 → -1.89) Blunder. Ra4+ was best. } (33. Ra4+ Kc5 34. Ra5+ Kd6 35. Ra6+ Kc5) 33... Rxh3?? { (-1.89 → 0.00) Blunder. Kxe4 was best. } (33... Kxe4 34. c4) 34. Ra4+ Kc3?? { (0.00 → 10.58) Blunder. Kc5 was best. } (34... Kc5 35. Ra5+ Kd4 36. Ra4+) 35. Ra3+ Kb4 36. Rxh3 Kc4 37. Rxh6 Kd4 38. Rg6 Kxe4 39. Rxg5 Kf4 40. Rg1 e4 41. Rf1 Kf3 42. c4 Kf4 43. c5 Ke5 44. c6 Kd6 45. f3 exf3 46. Rxf3 Kxc6 47. Rf5 Kd6?? { (5.99 → Mate in 27) Checkmate is now unavoidable. Kd6 was best. } (47... Kd6 48. Kc2 Ke6 49. Rh5 Kd6 50. Kd3 Ke6 51. Kd4 Kf6 52. Re5 Kg6 53. Kc5 Kf7 54. Kd5) 48. Ke2 Ke6 49. Ra5 Kd6 50. Kd3 Kc6 51. Kc4 Kb6 52. Rh5 Kc7 53. Rh6 Kd7 54. Kd5 Ke7 55. Ra6 Kf7 56. Ke5 Kg7 57. Kf5 Kh7 58. Kg5 Kg8 59. Ra7 Kf8 60. Kf6 Ke8 61. Ke6 Kd8 62. Kd6 Kc8 63. Rh7 Kb8 64. Kc6 Ka8 65. Kb6 Kb8 66. Rh8# { White wins by checkmate. } 1-0