Event: Round 4: Arjun C Krishnamachari - Zhou, Jianchao
Site: https://lichess.org/broadcast/chicago-fall-open/round-4/Vsp9btM6/fNua0BH4
Date: 2025-11-02
White: Arjun C Krishnamachari
WhiteElo: 2207
Black: Zhou, Jianchao
BlackTitle: GM
BlackElo: 2591
Result: 0-1
ECO: B22
Opening: Sicilian Defense: Alapin Variation, Smith-Morra Declined
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:26:30] } 1... c5 { [%eval 0.24] [%clk 1:22:08] } 2. c3 { [%eval 0.0] [%clk 1:26:13] } 2... Nf6 { [%eval 0.02] [%clk 1:22:05] } 3. e5 { [%eval 0.07] [%clk 1:26:36] } 3... Nd5 { [%eval 0.1] [%clk 1:22:31] } 4. d4 { [%eval 0.0] [%clk 1:27:02] } 4... cxd4 { [%eval 0.0] [%clk 1:22:51] } 5. Nf3 { [%eval 0.02] [%clk 1:27:24] } 5... Nc6 { [%eval 0.0] [%clk 1:23:08] } 6. Bc4 { [%eval 0.0] [%clk 1:27:48] } 6... e6 { [%eval 0.16] [%clk 1:16:03] } 7. O-O { [%eval -0.3] [%clk 1:28:04] } 7... Nb6 { [%eval 0.22] [%clk 1:13:10] } 8. Bb3 { [%eval 0.21] [%clk 1:28:27] } 8... dxc3 { [%eval 0.15] [%clk 1:07:14] } 9. Nxc3 { [%eval 0.17] [%clk 1:28:51] } 9... d5 { [%eval 0.12] [%clk 1:07:31] } 10. exd6 { [%eval 0.18] [%clk 1:28:49] } 10... Bxd6 { [%eval 0.23] [%clk 1:07:05] } 11. Qe2 { [%eval 0.31] [%clk 1:28:12] } 11... a6? { [%eval 1.51] } { Mistake. O-O was best. } { [%clk 0:59:59] } 12. Rd1 { [%eval 1.62] [%clk 1:28:21] } 12... Qc7 { [%eval 1.53] [%clk 1:00:12] } 13. Be3?! { [%eval 0.64] } { Inaccuracy. Qe4 was best. } { [%clk 1:26:03] } 13... Be7 { [%eval 0.39] [%clk 0:59:59] } 14. Rac1 { [%eval 0.38] [%clk 1:23:54] } 14... O-O { [%eval 0.48] [%clk 0:59:42] } 15. g3 { [%eval 0.25] [%clk 1:22:04] } 15... Nd7 { [%eval 0.36] [%clk 0:58:56] } 16. Ne4 { [%eval 0.16] [%clk 1:15:19] } 16... Nf6 { [%eval 0.19] [%clk 0:57:49] } 17. Nfg5 { [%eval 0.0] [%clk 1:13:49] } 17... Nxe4 { [%eval 0.03] [%clk 0:48:51] } 18. Nxe4 { [%eval 0.1] [%clk 1:14:10] } 18... Rd8 { [%eval 0.0] [%clk 0:47:35] } 19. Rxd8+ { [%eval 0.0] [%clk 1:08:56] } 19... Qxd8 { [%eval 0.05] [%clk 0:46:24] } 20. Qh5 { [%eval -0.15] [%clk 1:08:58] } 20... Qa5 { [%eval -0.1] [%clk 0:41:54] } 21. Qd1 { [%eval -0.12] [%clk 0:54:07] } 21... Qe5 { [%eval -0.14] [%clk 0:37:32] } 22. Nc3 { [%eval -0.21] [%clk 0:54:00] } 22... Qd6 { [%eval -0.12] [%clk 0:28:08] } 23. Qf3 { [%eval -0.24] [%clk 0:31:03] } 23... Nd4 { [%eval -0.23] [%clk 0:24:45] } 24. Qe4?! { [%eval -1.08] } { Inaccuracy. Bxd4 was best. } { [%clk 0:28:18] } 24... Nxb3 { [%eval -0.93] [%clk 0:23:54] } 25. axb3 { [%eval -0.99] [%clk 0:28:46] } 25... Bd7 { [%eval -0.91] [%clk 0:19:11] } 26. Qxb7 { [%eval -0.93] [%clk 0:28:43] } 26... Bc6 { [%eval -0.9] [%clk 0:19:18] } 27. Qb6 { [%eval -1.01] [%clk 0:29:07] } 27... Bf3 { [%eval -0.67] [%clk 0:19:19] } 28. Qxd6 { [%eval -0.6] [%clk 0:28:01] } 28... Bxd6 { [%eval -0.68] [%clk 0:19:04] } 29. Ra1 { [%eval -0.92] [%clk 0:26:13] } 29... h5 { [%eval -0.95] [%clk 0:18:22] } 30. h4 { [%eval -1.04] [%clk 0:26:02] } 30... Bb4 { [%eval -0.92] [%clk 0:15:58] } 31. Na2 { [%eval -0.87] [%clk 0:24:32] } 31... Be7 { [%eval -0.95] [%clk 0:16:12] } 32. Nc3 { [%eval -0.79] [%clk 0:23:50] } 32... f6 { [%eval -0.73] [%clk 0:15:50] } 33. Kf1 { [%eval -0.84] [%clk 0:23:32] } 33... Kf7 { [%eval -1.01] [%clk 0:15:50] } 34. Ra4 { [%eval -0.8] [%clk 0:22:37] } 34... a5 { [%eval -0.77] [%clk 0:13:47] } 35. Rc4?! { [%eval -1.72] } { Inaccuracy. Ra1 was best. } { [%clk 0:19:43] } 35... Rb8 { [%eval -1.52] [%clk 0:13:31] } 36. Rc7?! { [%eval -2.34] } { Inaccuracy. Rf4 was best. } { [%clk 0:19:59] } 36... Rxb3 { [%eval -2.22] [%clk 0:12:21] } 37. Bc5?! { [%eval -3.26] } { Inaccuracy. Ra7 was best. } { [%clk 0:10:16] } 37... Rb7 { [%eval -3.14] [%clk 0:12:04] } 38. Rxb7 { [%eval -3.09] [%clk 0:10:40] } 38... Bxb7 { [%eval -2.9] [%clk 0:12:29] } 39. Bb6 { [%eval -3.43] [%clk 0:10:09] } 39... Bb4 { [%eval -3.25] [%clk 0:11:36] } 40. Ke2 { [%eval -3.96] [%clk 0:10:31] } 40... Bxc3 { [%eval -3.98] [%clk 0:09:22] } 41. bxc3 { [%eval -4.1] [%clk 0:11:00] } 41... Ba6+ { [%eval -3.94] [%clk 0:09:24] } 42. Kd2 { [%eval -4.3] [%clk 0:11:15] } 42... a4 { [%eval -4.13] [%clk 0:09:52] } 43. Bc5 { [%eval -4.43] [%clk 0:11:32] } 43... g5 { [%eval -4.37] [%clk 0:07:50] } 44. Ke3 { [%eval -4.76] [%clk 0:05:54] } 44... e5 { [%eval -4.38] [%clk 0:07:50] } 45. f3?! { [%eval -5.72] } { Inaccuracy. hxg5 was best. } { [%clk 0:02:36] } 45... Ke6?! { [%eval -4.31] } { Inaccuracy. gxh4 was best. } { [%clk 0:07:25] } 46. Kd2?! { [%eval -6.07] } { Inaccuracy. hxg5 was best. } { [%clk 0:01:43] } 46... Bb7 { [%eval -5.56] [%clk 0:07:26] } 47. Ke3 { [%eval -5.53] [%clk 0:01:59] } 47... Bd5 { [%eval -4.94] [%clk 0:07:49] } 48. hxg5 { [%eval -5.02] [%clk 0:01:05] } 48... fxg5 { [%eval -4.97] [%clk 0:08:17] } 49. g4?! { [%eval -6.52] } { Inaccuracy. Kf2 was best. } { [%clk 0:01:35] } 49... h4 { [%eval -6.28] [%clk 0:06:23] } 50. c4 { [%eval -6.79] [%clk 0:02:04] } 50... h3 { [%eval -6.66] [%clk 0:06:03] } 51. Kf2 { [%eval -7.32] [%clk 0:01:26] } 51... Bxc4 { [%eval -7.25] [%clk 0:06:06] } 52. Kg3 { [%eval -7.21] [%clk 0:01:46] } 52... Be2 { [%eval -6.65] [%clk 0:03:36] } 53. Ba3 { [%eval -7.22] [%clk 0:01:41] } 53... Bxf3 { [%eval -7.91] [%clk 0:03:18] } 54. Kxh3 { [%eval -8.57] [%clk 0:01:10] } 54... Kd5 { [%eval -8.14] [%clk 0:03:01] } 55. Kg3 { [%eval -7.09] [%clk 0:00:58] } 55... Be4?? { [%eval -0.37] } { Blunder. e4 was best. } { [%clk 0:00:34] } 56. Bc1?? { [%eval -5.69] } { Blunder. Kf2 was best. } { [%clk 0:01:24] } 56... Bg6?? { [%eval -0.01] } { Blunder. Kc4 was best. } { [%clk 0:00:31] } 57. Bxg5?? { [%eval -8.34] } { Blunder. Kf2 was best. } { [%clk 0:01:33] } 57... a3 { [%eval -8.59] [%clk 0:00:39] } 58. Bc1 { [%eval -7.96] [%clk 0:01:41] } 58... a2 { [%eval -9.86] [%clk 0:01:06] } 59. Bb2 { [%eval -9.29] [%clk 0:02:09] } 59... e4 { [%eval -8.9] [%clk 0:01:30] } 60. Kf4 { [%eval -8.22] [%clk 0:00:42] } 60... Kc4 { [%eval -6.71] [%clk 0:01:56] } 0-1