Event: Round 4: Hariharan Ayyar R - Zang, Chen Bi
Date: 2025-07-12
White: Hariharan Ayyar R
WhiteElo: 1661
Black: Zang, Chen Bi
BlackElo: 1596
Result: 0-1
ECO: D01
Opening: Rapport-Jobava System
Variant: Standard
TimeControl: 60+30

1. d4 { [%eval 0.17] [%clk 1:00:51] } 1... d5 { [%eval 0.2] [%clk 1:00:55] } 2. Bf4 { [%eval 0.0] [%clk 1:01:14] } 2... Nf6 { [%eval 0.05] [%clk 1:01:13] } 3. Nc3 { [%eval -0.1] [%clk 1:01:36] } 3... a6 { [%eval 0.0] [%clk 1:01:38] } 4. e3 { [%eval 0.0] [%clk 1:01:57] } 4... Bf5 { [%eval 0.09] [%clk 1:01:52] } 5. f3 { [%eval -0.34] [%clk 1:02:09] } 5... e6 { [%eval -0.23] [%clk 1:02:04] } 6. g4 { [%eval -0.21] [%clk 1:02:33] } 6... Bg6 { [%eval -0.14] [%clk 1:02:26] } 7. h4 { [%eval -0.18] [%clk 1:03:01] } 7... h5 { [%eval -0.14] [%clk 1:02:33] } 8. g5 { [%eval -0.14] [%clk 1:03:25] } 8... Nfd7 { [%eval -0.12] [%clk 1:01:01] } 9. Bd3 { [%eval 0.21] [%clk 1:03:49] } 9... Bxd3 { [%eval 0.21] [%clk 1:01:02] } 10. Qxd3 { [%eval 0.17] [%clk 1:04:11] } 10... c5 { [%eval 0.03] [%clk 1:00:33] } 11. g6 { [%eval 0.1] [%clk 1:04:08] } 11... f6 { [%eval 0.0] [%clk 0:59:26] } 12. Nge2 { [%eval 0.0] [%clk 1:02:25] } 12... Nc6 { [%eval 0.0] [%clk 0:58:07] } 13. a3 { [%eval -0.12] [%clk 1:02:46] } 13... Rc8 { [%eval 0.25] [%clk 0:56:51] } 14. Qd2? { [%eval -1.23] } { Mistake. O-O-O was best. } { [%clk 0:59:00] } 14... Nb6 { [%eval -1.17] [%clk 0:56:36] } 15. b3 { [%eval -1.17] [%clk 0:58:01] } 15... Bd6 { [%eval -1.21] [%clk 0:56:01] } 16. Nd1 { [%eval -1.62] [%clk 0:55:01] } 16... cxd4 { [%eval -1.57] [%clk 0:53:38] } 17. exd4 { [%eval -1.58] [%clk 0:55:14] } 17... e5 { [%eval -1.39] [%clk 0:52:39] } 18. dxe5 { [%eval -1.55] [%clk 0:54:46] } 18... Nxe5 { [%eval -1.59] [%clk 0:51:41] } 19. Bxe5 { [%eval -2.2] [%clk 0:50:52] } 19... Bxe5? { [%eval -0.6] } { Mistake. fxe5 was best. } { [%clk 0:51:29] } 20. Qe3?? { [%eval -2.59] } { Blunder. c3 was best. } { [%clk 0:49:07] } 20... Kf8?? { [%eval 0.6] } { Blunder. O-O was best. } { [%clk 0:49:39] } 21. Nd4?? { [%eval -1.3] } { Blunder. c3 was best. } { [%clk 0:42:05] } 21... Bxd4? { [%eval 0.19] } { Mistake. Qe8 was best. } { [%clk 0:48:15] } 22. Qxd4 { [%eval 0.31] [%clk 0:42:27] } 22... Rxc2 { [%eval 0.42] [%clk 0:48:13] } 23. O-O?? { [%eval -2.67] } { Blunder. Ne3 was best. } { [%clk 0:40:50] } 23... Qd6?? { [%eval -0.69] } { Blunder. Rh6 was best. } { [%clk 0:47:11] } 24. f4 { [%eval -0.68] [%clk 0:38:56] } 24... Rh6 { [%eval -0.78] [%clk 0:43:30] } 25. Qd3 { [%eval -0.79] [%clk 0:35:47] } 25... Qc5+?! { [%eval 0.0] } { Inaccuracy. Qc7 was best. } { [%clk 0:43:26] } 26. Kh1?? { [%eval -2.91] } { Blunder. Rf2 was best. } { [%clk 0:36:05] } 26... d4 { [%eval -3.15] [%clk 0:42:36] } 27. f5 { [%eval -2.99] [%clk 0:35:27] } 27... Nd5?! { [%eval -1.96] } { Inaccuracy. Qd5+ was best. } { [%clk 0:38:35] } 28. Rf2?? { [%eval -4.41] } { Blunder. Qe4 was best. } { [%clk 0:31:08] } 28... Rxf2 { [%eval -4.25] [%clk 0:35:47] } 29. Nxf2 { [%eval -4.24] [%clk 0:31:27] } 29... Ne3 { [%eval -4.21] [%clk 0:35:12] } 30. Re1 { [%eval -4.69] [%clk 0:22:34] } 30... Qd5+ { [%eval -4.39] [%clk 0:32:32] } 31. Qe4 { [%eval -4.93] [%clk 0:21:30] } 31... Qxe4+ { [%eval -4.9] [%clk 0:32:06] } 32. Nxe4 { [%eval -5.02] [%clk 0:21:52] } 32... Nxf5 { [%eval -4.99] [%clk 0:31:44] } 33. Nc5 { [%eval -5.07] [%clk 0:20:39] } 33... Rxg6 { [%eval -5.06] [%clk 0:30:43] } 34. Ne6+ { [%eval -5.39] [%clk 0:20:47] } 34... Kg8 { [%eval -5.31] [%clk 0:30:03] } 35. Rd1 { [%eval -5.29] [%clk 0:16:32] } 35... Rg4 { [%eval -5.42] [%clk 0:29:19] } 36. Rd3 { [%eval -5.66] [%clk 0:15:58] } 36... Rxh4+ { [%eval -5.59] [%clk 0:29:22] } 37. Kg2 { [%eval -5.58] [%clk 0:15:53] } 37... Rg4+ { [%eval -5.62] [%clk 0:29:23] } 38. Kh3 { [%eval -6.53] [%clk 0:15:14] } 38... Re4 { [%eval -6.51] [%clk 0:29:13] } 39. Nc5 { [%eval -6.41] [%clk 0:14:42] } 39... Re3+ { [%eval -6.47] [%clk 0:29:26] } 40. Rxe3 { [%eval -6.41] [%clk 0:15:01] } 40... Nxe3 { [%eval -6.52] [%clk 0:29:14] } 41. Kh4 { [%eval -6.78] [%clk 0:14:40] } 41... g6 { [%eval -6.69] [%clk 0:29:20] } 42. Kg3 { [%eval -6.57] [%clk 0:13:19] } 42... Kf7 { [%eval -6.22] [%clk 0:28:04] } 43. Nxb7 { [%eval -7.19] [%clk 0:15:00] } 43... d3 { [%eval -7.54] [%clk 0:27:15] } 44. Nd6+ { [%eval -7.73] [%clk 0:15:27] } 44... Ke6 { [%eval -7.62] [%clk 0:27:21] } 45. Ne4 { [%eval -7.42] [%clk 0:15:51] } 45... Ke5 { [%eval -7.03] [%clk 0:26:34] } 46. Kf3 { [%eval -7.29] [%clk 0:15:07] } 46... Nd5 { [%eval -6.84] [%clk 0:25:52] } 47. Nd2 { [%eval -7.51] [%clk 0:14:15] } 47... f5 { [%eval -7.57] [%clk 0:25:01] } 48. Kf2 { [%eval -7.47] [%clk 0:12:53] } 48... f4 { [%eval -7.49] [%clk 0:23:57] } 49. Nf3+ { [%eval -7.78] [%clk 0:11:47] } 49... Kf6 { [%eval -7.74] [%clk 0:23:55] } 50. Nd2 { [%eval -7.69] [%clk 0:11:56] } 50... g5 { [%eval -7.34] [%clk 0:23:48] } 51. Kf3 { [%eval -8.65] [%clk 0:12:10] } 51... Kf5 { [%eval -8.77] [%clk 0:23:54] } 52. b4 { [%eval -9.35] [%clk 0:12:06] } 52... g4+ { [%eval -9.94] [%clk 0:24:07] } 53. Kf2 { [%eval -8.66] [%clk 0:12:04] } 53... Nc3 { [%eval -8.55] [%clk 0:23:29] } 54. a4 { [%eval -9.33] [%clk 0:11:57] } 54... Nxa4 { [%eval -8.66] [%clk 0:23:32] } 55. Nc4 { [%eval -10.32] [%clk 0:12:00] } 55... Nc3 { [%eval #-16] [%clk 0:23:19] } 56. Ke1 { [%eval #-14] [%clk 0:12:11] } 56... Ne4 { [%eval #-13] [%clk 0:23:30] } 57. Kf1 { [%eval #-13] [%clk 0:11:05] } 57... d2 { [%eval -15.08] [%clk 0:23:03] } 58. Nxd2?! { [%eval #-11] } { Checkmate is now unavoidable. Nb2 was best. } { [%clk 0:10:03] } 58... Nxd2+ { [%eval #-10] [%clk 0:23:17] } 59. Kg2 { [%eval #-6] [%clk 0:10:17] } 59... f3+ { [%eval #-7] [%clk 0:23:41] } 60. Kh2 { [%eval #-4] [%clk 0:10:28] } 60... Kf4 { [%eval #-3] [%clk 0:23:59] } 61. b5 { [%eval #-3] [%clk 0:10:31] } 61... g3+ { [%eval #-4] [%clk 0:24:12] } 62. Kh3 { [%eval #-4] [%clk 0:10:29] } 62... f2 { [%eval #-4] [%clk 0:24:17] } 0-1