Event: Round 4: Nikhil Parvathaneni - Hanchi Yao
Date: 2023-08-27
White: Nikhil Parvathaneni
Black: Hanchi Yao
Result: 0-1
ECO: E32
Opening: Nimzo-Indian Defense: Classical Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:28:46] } 1... Nf6 { [%eval 0.28] [%clk 1:26:40] } 2. c4 { [%eval 0.16] [%clk 1:28:25] } 2... e6 { [%eval 0.23] [%clk 1:27:02] } 3. Nc3 { [%eval 0.05] [%clk 1:28:20] } 3... Bb4 { [%eval 0.25] [%clk 1:26:59] } 4. Qc2 { [%eval 0.0] [%clk 1:28:37] } 4... b6?! { [%eval 0.67] } { Inaccuracy. O-O was best. } { [%clk 1:26:41] } 5. e4 { [%eval 0.68] [%clk 1:25:15] } 5... Bxc3+ { [%eval 1.22] [%clk 1:23:30] } 6. bxc3 { [%eval 1.24] [%clk 1:25:26] } 6... d6 { [%eval 1.72] [%clk 1:23:17] } 7. Nf3? { [%eval 0.38] } { Mistake. e5 was best. } { [%clk 1:17:15] } 7... Bb7 { [%eval 0.72] [%clk 1:22:13] } 8. Bd3 { [%eval 0.64] [%clk 1:17:09] } 8... Nc6 { [%eval 0.67] [%clk 1:15:35] } 9. Bg5 { [%eval 0.53] [%clk 1:05:02] } 9... h6 { [%eval 0.6] [%clk 1:15:11] } 10. Bh4 { [%eval 0.52] [%clk 1:05:24] } 10... e5 { [%eval 0.51] [%clk 1:14:48] } 11. O-O { [%eval 0.48] [%clk 1:01:48] } 11... Qe7 { [%eval 0.78] [%clk 1:12:36] } 12. Qa4 { [%eval 0.5] [%clk 0:55:42] } 12... g5 { [%eval 0.73] [%clk 1:05:47] } 13. Nxg5?? { [%eval -2.87] } { Blunder. Bg3 was best. } { [%clk 0:54:28] } 13... hxg5 { [%eval -2.86] [%clk 1:05:38] } 14. Bxg5 { [%eval -2.71] [%clk 0:54:53] } 14... O-O-O { [%eval -2.66] [%clk 1:02:34] } 15. d5 { [%eval -3.28] [%clk 0:48:35] } 15... Na5 { [%eval -3.64] [%clk 1:00:46] } 16. Qd1 { [%eval -3.77] [%clk 0:47:43] } 16... Rdg8 { [%eval -3.96] [%clk 0:58:28] } 17. h4 { [%eval -4.23] [%clk 0:47:18] } 17... Rg6?! { [%eval -3.21] } { Inaccuracy. Rxg5 was best. } { [%clk 0:53:21] } 18. Qd2 { [%eval -3.36] [%clk 0:37:29] } 18... Qe8 { [%eval -3.23] [%clk 0:38:04] } 19. f4 { [%eval -3.2] [%clk 0:37:05] } 19... Nd7 { [%eval -3.51] [%clk 0:33:15] } 20. f5 { [%eval -3.83] [%clk 0:36:05] } 20... Rgg8 { [%eval -3.7] [%clk 0:33:34] } 21. c5 { [%eval -3.75] [%clk 0:31:36] } 21... Nxc5 { [%eval -3.65] [%clk 0:24:43] } 22. f6 { [%eval -4.17] [%clk 0:30:11] } 22... Qa4 { [%eval -3.98] [%clk 0:22:08] } 23. Rfe1 { [%eval -4.33] [%clk 0:29:44] } 23... c6 { [%eval -4.16] [%clk 0:14:29] } 24. Bc2 { [%eval -4.04] [%clk 0:28:56] } 24... Qc4 { [%eval -4.17] [%clk 0:14:55] } 25. dxc6 { [%eval -4.16] [%clk 0:28:26] } 25... Bxc6 { [%eval -4.63] [%clk 0:12:59] } 26. Qe3 { [%eval -4.94] [%clk 0:21:53] } 26... Kb8 { [%eval -4.98] [%clk 0:11:10] } 27. Qd2 { [%eval -4.88] [%clk 0:20:23] } 27... Rd8 { [%eval -5.1] [%clk 0:11:14] } 28. Qe3 { [%eval -4.87] [%clk 0:20:35] } 28... Bb7 { [%eval -5.0] [%clk 0:09:32] } 29. a3 { [%eval -5.11] [%clk 0:20:03] } 29... Qe6 { [%eval -5.03] [%clk 0:09:16] } 30. Bb1 { [%eval -5.2] [%clk 0:19:58] } 30... Nc4 { [%eval -4.76] [%clk 0:09:06] } 31. Qe2 { [%eval -4.7] [%clk 0:20:17] } 31... b5 { [%eval -4.13] [%clk 0:08:33] } 32. Ba2?! { [%eval -5.18] } { Inaccuracy. Bc2 was best. } { [%clk 0:18:16] } 32... Rhe8? { [%eval -2.95] } { Mistake. Nxe4 was best. } { [%clk 0:07:35] } 33. a4?! { [%eval -4.0] } { Inaccuracy. Reb1 was best. } { [%clk 0:18:28] } 33... d5?! { [%eval -2.66] } { Inaccuracy. Nxe4 was best. } { [%clk 0:06:39] } 34. axb5?! { [%eval -3.87] } { Inaccuracy. exd5 was best. } { [%clk 0:17:04] } 34... Nb6? { [%eval -1.78] } { Mistake. Nxe4 was best. } { [%clk 0:06:10] } 35. Rad1 { [%eval -2.24] [%clk 0:11:28] } 35... Nca4 { [%eval -2.12] [%clk 0:04:40] } 36. Rd3 { [%eval -2.14] [%clk 0:07:10] } 36... Qc8 { [%eval -2.26] [%clk 0:04:40] } 37. exd5?! { [%eval -3.06] } { Inaccuracy. Qf2 was best. } { [%clk 0:03:28] } 37... Nxd5? { [%eval -1.74] } { Mistake. Nxc3 was best. } { [%clk 0:04:32] } 38. Bxd5?! { [%eval -2.7] } { Inaccuracy. Qd2 was best. } { [%clk 0:02:41] } 38... Bxd5?! { [%eval -2.01] } { Inaccuracy. Rxd5 was best. } { [%clk 0:04:28] } 39. Re3 { [%eval -2.06] [%clk 0:02:52] } 39... Qc5 { [%eval -2.03] [%clk 0:04:32] } 40. Kh1 { [%eval -2.33] [%clk 0:02:52] } 40... Bc4 { [%eval -1.72] [%clk 0:04:48] } 41. Qc2?! { [%eval -2.58] } { Inaccuracy. Qf3 was best. } { [%clk 0:02:32] } 41... Bxb5?! { [%eval -1.89] } { Inaccuracy. Nb6 was best. } { [%clk 0:04:52] } 42. Bf4?? { [%eval -5.74] } { Blunder. Rxe5 was best. } { [%clk 0:02:14] } 42... exf4 { [%eval -5.74] [%clk 0:04:52] } 43. Rxe8 { [%eval -5.9] [%clk 0:02:26] } 43... Rxe8 { [%eval -5.82] [%clk 0:05:09] } 44. Rxe8+ { [%eval -5.83] [%clk 0:02:51] } 44... Bxe8 { [%eval -5.84] [%clk 0:05:36] } 45. Qe4 { [%eval -6.28] [%clk 0:03:15] } 45... Qe3 { [%eval -6.28] [%clk 0:04:27] } 46. Qb4+ { [%eval -6.38] [%clk 0:02:33] } 46... Nb6 { [%eval -6.77] [%clk 0:04:47] } 47. Qd6+ { [%eval -6.13] [%clk 0:02:52] } 47... Kb7 { [%eval -6.97] [%clk 0:05:10] } 48. Qa3?? { [%eval #-10] } { Checkmate is now unavoidable. Qe7+ was best. } { [%clk 0:01:37] } 48... Qe1+ { [%eval #-14] [%clk 0:05:20] } 49. Kh2 { [%eval -45.76] [%clk 0:02:00] } 49... Qxh4+ { [%eval -41.5] [%clk 0:05:45] } 50. Kg1 { [%eval #-15] [%clk 0:02:27] } 50... Qxf6? { [%eval -7.7] } { Lost forced checkmate sequence. Qe1+ was best. } { [%clk 0:05:59] } 0-1