CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/9kNhiu6P"] [Date "2026.01.20"] [White "Aden1"] [Black "Asher"] [Result "0-1"] [UTCDate "2026.01.20"] [UTCTime "21:28:47"] [WhiteElo "980"] [BlackElo "1040"] [WhiteRatingDiff "-28"] [BlackRatingDiff "+25"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C46 Four Knights Game } 4. Qe2? { (0.31 → -0.84) Mistake. Bb5 was best. } (4. Bb5) 4... d5 5. d4?! { (-0.83 → -1.63) Inaccuracy. exd5 was best. } (5. exd5 Nxd5 6. Qe4 Nf6 7. Qh4 Nd4 8. Nxd4 exd4 9. Ne4 Qe7 10. f3 Bf5 11. Bb5+ c6) 5... dxe4 6. Nxe4 Nd5?? { (-1.71 → 1.53) Blunder. Nxd4 was best. } (6... Nxd4 7. Nxd4) 7. Nc3?? { (1.53 → -0.62) Blunder. dxe5 was best. } (7. dxe5 Be7 8. Bd2 Be6 9. O-O-O Qd7 10. Qe1 O-O-O 11. Bb5 Ndb4 12. Bxb4 Qxd1+ 13. Qxd1 Rxd1+) 7... Bg4 8. h3?? { (-0.58 → -2.32) Blunder. Bd2 was best. } (8. Bd2 Bb4 9. Nxd5 Bxd2+ 10. Qxd2 Qxd5 11. Nxe5 Nxe5 12. dxe5 Qxe5+ 13. Qe3 Qxe3+ 14. fxe3 O-O-O) 8... Bxf3 9. gxf3 Nxc3?! { (-2.30 → -1.62) Inaccuracy. Bb4 was best. } (9... Bb4 10. Bd2 O-O 11. dxe5 Nxe5 12. O-O-O Bxc3 13. bxc3 Qf6 14. f4 Ng6 15. Qf3 Rad8 16. Rg1) 10. bxc3 Qd7?? { (-1.61 → 0.44) Blunder. Qd5 was best. } (10... Qd5) 11. Ba3?? { (0.44 → -8.87) Blunder. Rb1 was best. } (11. Rb1 O-O-O 12. Qb5 b6 13. Bd3 f6 14. Be3 Kb8 15. Be4 Ne7 16. Qxd7 Rxd7 17. dxe5 fxe5) 11... Bxa3 12. Qe3 Bb2 13. Rb1 Ba3 14. Rb3 Bf8?! { (-8.38 → -5.18) Inaccuracy. Be7 was best. } (14... Be7 15. Rxb7) 15. Rg1?! { (-5.18 → -8.67) Inaccuracy. f4 was best. } (15. f4 O-O-O) 15... O-O-O 16. Bd3 h5 17. Kf1 Rh6 18. Bh7 Bd6 19. Be4 Rg6?! { (-8.22 → -5.09) Inaccuracy. f5 was best. } (19... f5 20. Bxc6 Qxc6 21. Rxg7 Bf8 22. Rg5 exd4 23. cxd4 Qxc2 24. Kg2 Qc4 25. Qe5 Qe6 26. Qxe6+) 20. Qd3?! { (-5.09 → -7.40) Inaccuracy. Rxg6 was best. } (20. Rxg6) 20... Rxg1+?? { (-7.40 → -3.18) Blunder. Qxh3+ was best. } (20... Qxh3+) 21. Kxg1 g6?? { (-3.24 → 0.13) Blunder. Qe7 was best. } (21... Qe7) 22. a4?? { (0.13 → -7.07) Blunder. Rxb7 was best. } (22. Rxb7 Nb8) 22... f5?? { (-7.07 → 0.14) Blunder. a6 was best. } (22... a6 23. Qc4) 23. Rb5?? { (0.14 → -10.24) Blunder. Qb5 was best. } (23. Qb5 Qe7) 23... fxe4 24. Qxe4 Ne7?? { (-10.87 → Mate in 1) Checkmate is now unavoidable. a6 was best. } (24... a6 25. Rb1) 25. f4?? { (Mate in 1 → -10.58) Lost forced checkmate sequence. Qxb7# was best. } (25. Qxb7#) 25... a6?? { (-10.58 → Mate in 1) Checkmate is now unavoidable. c6 was best. } (25... c6 26. fxe5 cxb5 27. exd6 Qxd6 28. axb5 Nf5 29. Kg2 Kc7 30. c4 Qxd4 31. Qxd4 Nxd4 32. c3) 26. dxe5?? { (Mate in 1 → -11.30) Lost forced checkmate sequence. Qxb7# was best. } (26. Qxb7#) 26... axb5 27. axb5 c6 28. bxc6 bxc6 29. exd6 Qxd6 30. f5 Qd5 31. Qg2 Qxg2+ 32. Kxg2 Nxf5 33. c4 Rd2 34. Kf1 Rxc2 35. Kg2 Rxc4 36. Kf3 Rc3+ 37. Kf4 Rxh3 38. Kg5?! { (-69.44 → Mate in 12) Checkmate is now unavoidable. Ke4 was best. } (38. Ke4 g5 39. Ke5 Rf3 40. Kf6 Rxf2 41. Kxg5 h4 42. Kg4 h3 43. Kxh3 c5 44. Kg4 c4) 38... Rh2?! { (Mate in 12 → -69.97) Lost forced checkmate sequence. Rf3 was best. } (38... Rf3 39. Kf6 c5 40. Ke5 c4 41. Kf6 c3 42. Kf7 Rxf2 43. Kg8 c2 44. Kf7 c1=Q 45. Ke6) 39. Kxg6?! { (-69.97 → Mate in 9) Checkmate is now unavoidable. f4 was best. } (39. f4 Rf2 40. Kxg6 Rxf4 41. Kxh5 Rf2 42. Kg5 c5 43. Kf6 c4 44. Ke5 c3 45. Kf6 c2) 39... Rxf2 40. Kxh5 Ng7+ 41. Kg6 Rg2+ 42. Kf7 Kd8 43. Kf8 Kd7 44. Kg8 Ke8 45. Kh8 Kf8 46. Kh7 Rh2+ 47. Kg6 Rg2+ 48. Kf6 Rf2+ 49. Ke5 Ke7?! { (Mate in 12 → -65.78) Lost forced checkmate sequence. Rd2 was best. } (49... Rd2 50. Ke4 c5 51. Kf3 c4 52. Ke4 c3 53. Ke3 Rd1 54. Ke2 c2 55. Kf2 c1=Q 56. Ke2) 50. Kd4 Nf5+ 51. Kc5?! { (-69.97 → Mate in 7) Checkmate is now unavoidable. Ke5 was best. } (51. Ke5 c5 52. Kd5 Rc2 53. Ke4 Nd6+ 54. Kd3 Ra2 55. Kc3 Rf2 56. Kd3 Nf5 57. Ke4 c4) 51... Kd7 52. Kb6 Rb2+ 53. Kc5 Nd6?! { (Mate in 6 → -67.16) Lost forced checkmate sequence. Rc2+ was best. } (53... Rc2+ 54. Kb6 c5 55. Kb5 Kc7 56. Ka4 Nd4 57. Ka3 Kb7 58. Ka4 Ra2#) 54. Kd4 Rd2+ 55. Kc3 Rd5 56. Kb4 Rd4+ 57. Kc5 Rc4+ 58. Kb6 Nc8+ 59. Kb7 Rb4+ 60. Ka6 Nd6 61. Ka5 Rc4 62. Kb6 Nb5 63. Ka5 Rc3 64. Kb4 Kd6 65. Ka4 Kc5 66. Ka5 Kd6 67. Ka4 Kc7 68. Kb4 Kb6 69. Ka4 Ka6 70. Kb4 c5+ 71. Ka4 Ra3# { Black wins by checkmate. } 0-1