Event: Round 8: Aryan Chopra - Cheparinov, Ivan
Date: 2025-06-29
White: Aryan Chopra
WhiteTitle: GM
WhiteElo: 2620
Black: Cheparinov, Ivan
BlackTitle: GM
BlackElo: 2641
Result: 1/2-1/2
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:26:00] } 1... c5 { [%eval 0.25] [%clk 1:30:53] } 2. Nf3 { [%eval 0.2] [%clk 1:26:14] } 2... d6 { [%eval 0.31] [%clk 1:31:15] } 3. d4 { [%eval 0.22] [%clk 1:26:41] } 3... cxd4 { [%eval 0.19] [%clk 1:31:45] } 4. Nxd4 { [%eval 0.18] [%clk 1:27:07] } 4... Nf6 { [%eval 0.31] [%clk 1:32:09] } 5. Nc3 { [%eval 0.32] [%clk 1:27:33] } 5... a6 { [%eval 0.28] [%clk 1:32:35] } 6. Be3 { [%eval 0.25] [%clk 1:27:58] } 6... e5 { [%eval 0.15] [%clk 1:32:57] } 7. Nb3 { [%eval 0.21] [%clk 1:28:19] } 7... Be6 { [%eval 0.2] [%clk 1:33:21] } 8. Qd2 { [%eval 0.46] [%clk 1:28:39] } 8... Nbd7 { [%eval 0.41] [%clk 1:33:43] } 9. O-O-O { [%eval 0.41] [%clk 1:28:57] } 9... Be7 { [%eval 0.19] [%clk 1:33:36] } 10. h3 { [%eval 0.32] [%clk 1:29:14] } 10... b5 { [%eval 0.28] [%clk 1:32:49] } 11. g4 { [%eval 0.17] [%clk 1:29:34] } 11... O-O { [%eval 0.21] [%clk 1:31:15] } 12. Kb1 { [%eval -0.09] [%clk 1:29:04] } 12... b4 { [%eval -0.08] [%clk 1:24:59] } 13. Nd5 { [%eval -0.07] [%clk 1:29:22] } 13... Bxd5 { [%eval -0.09] [%clk 1:24:08] } 14. exd5 { [%eval -0.04] [%clk 1:29:45] } 14... a5 { [%eval 0.43] [%clk 1:23:52] } 15. Bb5 { [%eval 0.38] [%clk 1:26:11] } 15... a4 { [%eval 0.39] [%clk 1:18:46] } 16. Nc1 { [%eval 0.46] [%clk 1:23:06] } 16... a3 { [%eval 0.47] [%clk 1:13:59] } 17. Qxb4 { [%eval 0.48] [%clk 1:12:52] } 17... axb2 { [%eval 0.19] [%clk 1:13:51] } 18. Nb3 { [%eval 0.17] [%clk 1:13:09] } 18... Qc7 { [%eval 0.58] [%clk 1:01:52] } 19. g5 { [%eval 0.86] [%clk 0:47:01] } 19... Rfc8 { [%eval 0.77] [%clk 0:59:26] } 20. c3 { [%eval 0.7] [%clk 0:47:10] } 20... Ne8 { [%eval 0.83] [%clk 0:50:58] } 21. a4?! { [%eval 0.0] } { Inaccuracy. Bc6 was best. } { [%clk 0:45:36] } 21... Nc5 { [%eval 0.0] [%clk 0:48:03] } 22. c4 { [%eval 0.0] [%clk 0:32:27] } 22... Rcb8 { [%eval 0.0] [%clk 0:45:36] } 23. Nxc5 { [%eval 0.0] [%clk 0:29:02] } 23... dxc5 { [%eval 0.0] [%clk 0:45:04] } 24. Qb3 { [%eval 0.0] [%clk 0:29:28] } 24... Nd6 { [%eval 0.0] [%clk 0:44:57] } 25. Kxb2 { [%eval -0.24] [%clk 0:28:43] } 25... Nf5 { [%eval -0.06] [%clk 0:34:01] } 26. Rhe1 { [%eval -0.41] [%clk 0:20:58] } 26... Bd6 { [%eval -0.2] [%clk 0:33:52] } 27. f3 { [%eval -0.61] [%clk 0:15:36] } 27... g6 { [%eval -0.42] [%clk 0:27:40] } 28. Kc2 { [%eval -0.57] [%clk 0:14:15] } 28... Qc8 { [%eval -0.75] [%clk 0:24:09] } 29. Ra1 { [%eval -0.59] [%clk 0:11:17] } 29... Nd4+ { [%eval -0.44] [%clk 0:20:19] } 30. Bxd4 { [%eval -0.63] [%clk 0:11:43] } 30... cxd4 { [%eval -0.53] [%clk 0:20:47] } 31. Qd3 { [%eval -0.5] [%clk 0:11:59] } 31... Ra5? { [%eval 0.84] } { Mistake. Qxh3 was best. } { [%clk 0:13:13] } 32. f4 { [%eval 0.88] [%clk 0:07:11] } 32... Bb4 { [%eval 0.88] [%clk 0:09:24] } 33. Reb1 { [%eval 1.01] [%clk 0:05:47] } 33... Bc3?! { [%eval 2.16] } { Inaccuracy. Bd6 was best. } { [%clk 0:09:53] } 34. Ra3 { [%eval 1.96] [%clk 0:06:12] } 34... exf4 { [%eval 2.22] [%clk 0:07:25] } 35. d6 { [%eval 2.41] [%clk 0:05:42] } 35... Qc5 { [%eval 2.54] [%clk 0:06:56] } 36. Rxc3 { [%eval 2.42] [%clk 0:05:50] } 36... dxc3 { [%eval 2.26] [%clk 0:07:24] } 37. d7 { [%eval 2.01] [%clk 0:05:58] } 37... Qf2+?! { [%eval 2.93] } { Inaccuracy. Raa8 was best. } { [%clk 0:02:33] } 38. Kxc3 { [%eval 3.1] [%clk 0:06:24] } 38... Raa8 { [%eval 3.08] [%clk 0:03:00] } 39. Rf1 { [%eval 2.75] [%clk 0:04:37] } 39... Qb6?! { [%eval 3.85] } { Inaccuracy. Qh4 was best. } { [%clk 0:01:07] } 40. Qd4 { [%eval 3.86] [%clk 0:04:05] } 40... Qa5+ { [%eval 4.71] [%clk 0:00:59] } 41. Kd3?! { [%eval 3.41] } { Inaccuracy. Kc2 was best. } { [%clk 0:03:27] } 41... Qb4 { [%eval 3.52] [%clk 0:00:42] } 42. Qxf4 { [%eval 3.49] [%clk 0:03:08] } 42... Rf8 { [%eval 4.08] [%clk 0:00:48] } 43. Qd4 { [%eval 4.05] [%clk 0:02:54] } 43... Qa3+ { [%eval 3.94] [%clk 0:01:02] } 44. Qc3 { [%eval 3.95] [%clk 0:03:13] } 44... Qc5 { [%eval 3.89] [%clk 0:00:42] } 45. Kc2 { [%eval 3.82] [%clk 0:03:21] } 45... Qxg5 { [%eval 3.98] [%clk 0:00:55] } 46. c5? { [%eval 2.0] } { Mistake. Rd1 was best. } { [%clk 0:03:04] } 46... Rxa4 { [%eval 2.06] [%clk 0:00:34] } 47. Bxa4 { [%eval 1.95] [%clk 0:03:24] } 47... Qg2+ { [%eval 2.16] [%clk 0:01:02] } 48. Qd2 { [%eval 1.94] [%clk 0:01:28] } 48... Qxf1 { [%eval 2.07] [%clk 0:01:30] } 49. d8=Q { [%eval 1.88] [%clk 0:01:56] } 49... Qc4+ { [%eval 2.11] [%clk 0:01:55] } 50. Kb2 { [%eval 1.88] [%clk 0:02:14] } 50... Qxa4 { [%eval 1.58] [%clk 0:02:09] } 51. Q8d4? { [%eval 0.32] } { Mistake. Q8d6 was best. } { [%clk 0:01:18] } 51... Rb8+ { [%eval 0.48] [%clk 0:02:11] } 52. Kc1 { [%eval 0.72] [%clk 0:01:47] } 52... Qa3+ { [%eval 0.27] [%clk 0:02:26] } 53. Kd1 { [%eval 0.31] [%clk 0:02:15] } 53... Qxh3 { [%eval 0.45] [%clk 0:00:45] } 54. Q2d3 { [%eval 0.51] [%clk 0:01:10] } 54... Qh1+ { [%eval 0.7] [%clk 0:00:55] } 55. Kd2 { [%eval 1.18] [%clk 0:01:36] } 55... Re8 { [%eval 1.11] [%clk 0:00:35] } 56. Kc2? { [%eval 0.0] } { Mistake. Qg3 was best. } { [%clk 0:00:50] } 56... Qg2+ { [%eval 0.12] [%clk 0:00:51] } 57. Kc3 { [%eval 0.25] [%clk 0:01:15] } 57... Rb8 { [%eval 0.0] [%clk 0:00:41] } 58. Qd2 { [%eval 0.0] [%clk 0:01:05] } 58... Qh1 { [%eval 0.06] [%clk 0:00:58] } 59. Qd1 { [%eval 0.0] [%clk 0:00:48] } 59... Qg2 { [%eval 0.28] [%clk 0:01:13] } 60. Qc2 { [%eval 0.0] [%clk 0:00:42] } 60... Qf3+ { [%eval 0.03] [%clk 0:01:23] } 61. Qcd3 { [%eval 0.16] [%clk 0:01:04] } 61... Qg2 { [%eval 0.14] [%clk 0:01:46] } 62. Qc2 { [%eval 0.0] [%clk 0:01:04] } 62... Qf3+ { [%eval 0.0] [%clk 0:02:12] } 63. Kd2 { [%eval 0.0] [%clk 0:01:24] } 63... Qg2+ { [%eval 0.02] [%clk 0:01:58] } 64. Kc1 { [%eval 0.0] [%clk 0:01:47] } 64... Qf1+?! { [%eval 0.7] } { Inaccuracy. Qh1+ was best. } { [%clk 0:02:02] } 65. Qcd1 { [%eval 0.42] [%clk 0:02:15] } 65... Qg2 { [%eval 0.47] [%clk 0:02:05] } 66. Qe5 { [%eval 0.45] [%clk 0:02:20] } 66... Ra8 { [%eval 0.57] [%clk 0:01:59] } 67. Qc3?! { [%eval 0.0] } { Inaccuracy. Qde2 was best. } { [%clk 0:00:42] } 67... Qg5+ { [%eval 0.0] [%clk 0:01:58] } 68. Kb2 { [%eval 0.23] [%clk 0:00:59] } 68... Qg2+ { [%eval 0.0] [%clk 0:02:09] } 69. Qdd2 { [%eval 0.0] [%clk 0:01:04] } 69... Rb8+ { [%eval 0.0] [%clk 0:02:13] } 70. Kc2 { [%eval 0.1] [%clk 0:01:18] } 70... Qe4+ { [%eval 0.0] [%clk 0:02:30] } 71. Qdd3 { [%eval 0.13] [%clk 0:01:46] } 71... Qg2+ { [%eval 0.0] [%clk 0:02:14] } 72. Qcd2 { [%eval 0.0] [%clk 0:02:04] } 72... Qg1 { [%eval 0.0] [%clk 0:01:52] } 73. Qa3 { [%eval 0.0] [%clk 0:02:19] } 73... Qb1+ { [%eval 0.0] [%clk 0:01:48] } 74. Kc3 { [%eval 0.0] [%clk 0:02:48] } 74... Qe4 { [%eval 0.0] [%clk 0:02:07] } 75. Qa5 { [%eval 0.0] [%clk 0:01:01] } 75... Qe5+ { [%eval 0.0] [%clk 0:01:37] } 76. Kc4 { [%eval 0.0] [%clk 0:01:11] } 76... Qe4+ { [%eval 0.0] [%clk 0:01:18] } 77. Qd4 { [%eval 0.0] [%clk 0:01:17] } 77... Qe2+ { [%eval 0.0] [%clk 0:01:19] } 78. Qd3 { [%eval 0.0] [%clk 0:01:28] } 78... Qe6+ { [%eval 0.0] [%clk 0:01:46] } 79. Kd4 { [%eval 0.0] [%clk 0:01:33] } 79... Qf6+ { [%eval 0.0] [%clk 0:01:54] } 80. Kc4 { [%eval 0.0] [%clk 0:01:53] } 80... Qe6+ { [%eval 0.0] [%clk 0:02:22] } 81. Kd4 { [%eval 0.0] [%clk 0:02:08] } 81... Qf6+ { [%eval 0.0] [%clk 0:02:48] } 82. Kc4 { [%eval 0.0] [%clk 0:01:43] } 1/2-1/2