CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/B5V7uK17"] [Date "2026.05.31"] [White "Rishi"] [Black "Zayn1"] [Result "0-1"] [UTCDate "2026.05.31"] [UTCTime "17:31:08"] [WhiteElo "1422"] [BlackElo "1544"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+5"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C44"] [Opening "King's Knight Opening: Konstantinopolsky"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. g3 { C44 King's Knight Opening: Konstantinopolsky } Bc5 4. Bg2 Qf6?! { (0.17 → 1.01) Inaccuracy. d6 was best. } (4... d6 5. c3 Nf6 6. b4 Bb6 7. d3 h6 8. Bb2 a6 9. O-O Ba7 10. Nbd2 O-O 11. a4) 5. O-O g5?? { (0.97 → 2.90) Blunder. d6 was best. } (5... d6 6. c3) 6. d3? { (2.90 → 1.46) Mistake. Nc3 was best. } (6. Nc3) 6... g4 7. Ng5?? { (1.34 → -3.57) Blunder. Nfd2 was best. } (7. Nfd2 d6) 7... d5?? { (-3.57 → 7.56) Blunder. h6 was best. } (7... h6 8. Nxf7 Qxf7 9. Nc3 d6 10. Nd5 Nf6 11. c3 Nxd5 12. exd5 Ne7 13. b4 Bb6 14. a4) 8. Nc3?? { (7.56 → 0.36) Blunder. exd5 was best. } (8. exd5 Nd4) 8... dxe4?? { (0.36 → 8.92) Blunder. d4 was best. } (8... d4 9. Nd5) 9. dxe4?? { (8.92 → -1.64) Blunder. Ngxe4 was best. } (9. Ngxe4 Qe7 10. Nd5 Bf5 11. Nxe7 Bxe7 12. f4 gxf3 13. Qxf3 Bg6 14. Nf2 h5 15. d4 O-O-O) 9... Be6?? { (-1.64 → 3.91) Blunder. h6 was best. } (9... h6 10. Nd5) 10. Qe1?? { (3.91 → -0.65) Blunder. Nd5 was best. } (10. Nd5 Qd8) 10... O-O-O? { (-0.65 → 0.54) Mistake. Bc4 was best. } (10... Bc4 11. Nd5 Qd6 12. Be3 Bd4 13. c3 Bxe3 14. fxe3 f6 15. Ne6 Kf7 16. Rf2 Qxe6 17. b3) 11. Nd5 Bxd5?? { (0.57 → 5.74) Blunder. Qg7 was best. } (11... Qg7 12. c3) 12. exd5 Rxd5?! { (5.66 → 8.87) Inaccuracy. Nd4 was best. } (12... Nd4 13. Ne4) 13. Bd2?? { (8.87 → 2.16) Blunder. Bxd5 was best. } (13. Bxd5 Nge7 14. Bg2 Nd4 15. Qe4 Qc6 16. Qxg4+ f5 17. Qd1 e4 18. c3 Nf3+ 19. Nxf3 exf3) 13... Nh6?? { (2.16 → 8.09) Blunder. Rd7 was best. } (13... Rd7 14. Ne4 Qe7 15. Nxc5 Qxc5 16. Bxc6 bxc6 17. Be3 Qb5 18. a4 Qa6 19. Qc3 Rd5 20. Rad1) 14. Nxf7?? { (8.09 → -0.67) Blunder. Bxd5 was best. } (14. Bxd5 Bb6) 14... Nxf7?? { (-0.67 → 2.59) Blunder. Rxd2 was best. } (14... Rxd2 15. Nxh8 Rd8 16. c3 Rxh8 17. b4 Bb6 18. a4 a5 19. Bxc6 Qxc6 20. Qxe5 Nf7 21. Qf5+) 15. Bxd5 Ng5?? { (3.12 → 7.40) Blunder. Nd4 was best. } (15... Nd4 16. Be3) 16. Bxc6?? { (7.40 → -7.33) Blunder. Bxg5 was best. } (16. Bxg5 Qxg5 17. Bxc6 bxc6 18. Qc3 Qe7 19. b4 Bb6 20. Qxc6 Kb8 21. a4 Qd6 22. Qxd6 cxd6) 16... bxc6?? { (-7.33 → 7.61) Blunder. Nh3+ was best. } (16... Nh3+ 17. Kg2 Qxc6+ 18. f3 Ng1 19. h4 Nxf3 20. Rxf3 gxf3+ 21. Kh2 Bd6 22. Qf2 Qxc2 23. Be3) 17. Bxg5 Qxg5 18. Rd1 Rf8 19. Kh1? { (6.17 → 3.41) Mistake. a4 was best. } (19. a4 Qf5) 19... Qf5 20. Qc3?? { (3.62 → 0.95) Blunder. Qe2 was best. } (20. Qe2) 20... Qf3+?? { (0.95 → 6.39) Blunder. e4 was best. } (20... e4 21. Rde1) 21. Kg1?? { (6.39 → -5.28) Blunder. Qxf3 was best. } (21. Qxf3 gxf3 22. Rde1 Re8 23. Re4 Bb6 24. c3 h5 25. a4 a6 26. a5 Bxa5 27. Rfe1 Bb6) 21... Bxf2+ 22. Rxf2 Qxd1+?! { (-5.09 → -3.30) Inaccuracy. Qxf2+ was best. } (22... Qxf2+ 23. Kh1 e4 24. Qe1 Qxc2 25. Rd2 Qc5 26. Re2 Re8 27. Re3 h5 28. h3 gxh3 29. Kh2) 23. Kg2 Rxf2+ 24. Kxf2 Qd4+ 25. Qxd4 exd4 26. Ke2 c5 27. Kd3 Kd7?? { (-3.15 → -0.50) Blunder. Kb7 was best. } (27... Kb7 28. Kc4 Kb6 29. a3 Kc6 30. b4 cxb4 31. axb4 a6 32. Kxd4 Kb5 33. Kc3 c5 34. bxc5) 28. Kc4?? { (-0.50 → -5.23) Blunder. c3 was best. } (28. c3 dxc3 29. bxc3 Kc6 30. c4 Kb6 31. Kc3 Ka5 32. Kb3 h6 33. Ka3 Kb6 34. Kb3 Kc6) 28... Kd6 29. c3 dxc3 30. Kxc3 c6?? { (-6.88 → 0.00) Blunder. Kd5 was best. } (30... Kd5 31. Kd3 c4+ 32. Kc3 Ke4 33. Kxc4 Kf3 34. Kd5 Kg2 35. Ke5 Kxh2 36. Kf4 Kh3 37. a4) 31. Kc4 a5?? { (0.00 → 4.62) Blunder. a6 was best. } (31... a6 32. b3 h6 33. a3 h5 34. a4 a5 35. Kc3 Kd5 36. Kd3 Ke5 37. Kc4) 32. Kb3?! { (4.62 → 3.55) Inaccuracy. b3 was best. } (32. b3 Kc7 33. Kxc5 Kb7 34. b4 axb4 35. Kxb4 Kb6 36. Kc4 Kb7 37. Kc5 Kc7 38. a4 Kb7) 32... Kd5? { (3.55 → 6.23) Mistake. Kc7 was best. } (32... Kc7 33. Kc4 Kb6 34. b3 Kc7 35. Kxc5 Kb7 36. b4 axb4 37. Kxb4 Kb6 38. a4 Kb7 39. Kc5) 33. Kc3?? { (6.23 → -7.45) Blunder. Ka4 was best. } (33. Ka4) 33... c4 34. a3 h5 35. Kc2 Kd4 36. Kd2 c5 37. Kc2 Ke3 38. a4 Kd4 39. Kd2 Ke4 40. Kc3 Kf3 41. Kxc4 Kg2 42. Kxc5 Kxh2 43. Kb5 Kxg3 44. Kxa5 h4 45. Kb5 h3 46. a5 h2 47. a6 h1=Q 48. Kb6 Qg1+ 49. Kb7 Qg2+ 50. Kb6 Qf2+ 51. Kc6 Qf3+ 52. Kb6 Qe3+?! { (Mate in 14 → -72.59) Lost forced checkmate sequence. Qf6+ was best. } (52... Qf6+ 53. Kb7 Qxb2+ 54. Ka8 Qc3 55. Kb7 Qb4+ 56. Kc7 Qa5+ 57. Kb7 Qb5+ 58. Ka7 Kg2 59. Ka8) 53. Kc6?! { (-72.59 → Mate in 24) Checkmate is now unavoidable. Kb7 was best. } (53. Kb7 Qb3+) 53... Qe4+ 54. Kb6 Qd4+ 55. Kc6 Qc4+ 56. Kb6 Qe6+ 57. Kb7 Qxa6+?! { (Mate in 35 → -59.18) Lost forced checkmate sequence. Qb3+ was best. } (57... Qb3+) 58. Kxa6 Kf3 59. b4 g3 60. b5 g2 61. b6 g1=Q 62. b7 Qa1+ 63. Kb6 Qf6+ 64. Ka7 Qe7 65. Ka8 Qe4 66. Ka7?! { (-60.32 → Mate in 16) Checkmate is now unavoidable. Kb8 was best. } (66. Kb8 Qc4 67. Ka7 Qd4+ 68. Ka8 Qd5 69. Ka7 Qa5+ 70. Kb8 Qc5 71. Ka8 Qa3+ 72. Kb8 Ke4) 66... Qa4+?! { (Mate in 16 → -60.43) Lost forced checkmate sequence. Qd4+ was best. } (66... Qd4+ 67. Ka6 Qb4 68. Ka7 Qa5+ 69. Kb8 Ke4 70. Kc8 Qc5+ 71. Kd7 Qb6 72. Kc8 Qc6+ 73. Kb8) 67. Kb6 Qb4+ 68. Ka7 Qc5+ 69. Kb8 Ke4 70. Ka8 Qc6 71. Ka7 Qc7 72. Ka8 Qa5+ 73. Kb8 Kd5 74. Kc8 Qc5+ 75. Kb8 Kc6 76. Ka8 Qa5+ 77. Kb8 Qc7+ 78. Ka7 Qxb7# { Black wins by checkmate. } 0-1