Event: Round 4: Theodore Biyiasas - Ethan Sun
Date: 2023-08-27
White: Theodore Biyiasas
Black: Ethan Sun
Result: 1-0
ECO: E32
Opening: Nimzo-Indian Defense: Classical Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:27:13] } 1... Nf6 { [%eval 0.28] [%clk 1:31:00] } 2. c4 { [%eval 0.16] [%clk 1:27:25] } 2... e6 { [%eval 0.23] [%clk 1:31:18] } 3. Nc3 { [%eval 0.05] [%clk 1:27:41] } 3... Bb4 { [%eval 0.25] [%clk 1:31:42] } 4. Qc2 { [%eval 0.0] [%clk 1:27:37] } 4... O-O { [%eval 0.0] [%clk 1:31:51] } 5. e4 { [%eval 0.0] [%clk 1:27:45] } 5... Bxc3+?! { [%eval 0.89] } { Inaccuracy. d5 was best. } { [%clk 1:30:28] } 6. bxc3 { [%eval 1.07] [%clk 1:28:07] } 6... d6 { [%eval 1.12] [%clk 1:30:29] } 7. Bd3 { [%eval 0.87] [%clk 1:22:19] } 7... e5 { [%eval 0.78] [%clk 1:30:04] } 8. Ne2 { [%eval 0.84] [%clk 1:22:15] } 8... Re8 { [%eval 0.85] [%clk 1:28:10] } 9. O-O { [%eval 0.66] [%clk 1:18:47] } 9... Nbd7 { [%eval 0.98] [%clk 1:26:59] } 10. f4 { [%eval 1.1] } 10... Qe7?! { [%eval 1.75] } { Inaccuracy. c5 was best. } { [%clk 1:15:09] } 11. Ng3 { [%eval 1.7] [%clk 1:10:53] } 11... Nf8?! { [%eval 2.69] } { Inaccuracy. c5 was best. } { [%clk 1:11:54] } 12. fxe5 { [%eval 2.75] [%clk 1:03:47] } 12... dxe5 { [%eval 2.92] [%clk 1:12:08] } 13. Bg5 { [%eval 2.75] [%clk 1:04:09] } 13... N8d7 { [%eval 2.92] [%clk 1:08:26] } 14. Rf3 { [%eval 2.81] [%clk 0:51:23] } 14... h6 { [%eval 3.23] [%clk 0:57:55] } 15. Nf5 { [%eval 3.38] [%clk 0:51:18] } 15... Qe6 { [%eval 4.05] [%clk 0:56:26] } 16. d5 { [%eval 3.39] [%clk 0:45:24] } 16... Qb6+ { [%eval 3.79] [%clk 0:55:53] } 17. Be3 { [%eval 4.02] [%clk 0:45:41] } 17... Qa5 { [%eval 4.15] [%clk 0:45:23] } 18. Rg3?! { [%eval 3.13] } { Inaccuracy. Nxh6+ was best. } { [%clk 0:39:38] } 18... Nh5 { [%eval 5.05] [%clk 0:36:09] } 19. Nxh6+?! { [%eval 3.89] } { Inaccuracy. Qf2 was best. } { [%clk 0:34:30] } 19... Kf8 { [%eval 4.19] [%clk 0:34:20] } 20. Rg5? { [%eval 2.28] } { Mistake. Qf2 was best. } { [%clk 0:32:51] } 20... Ndf6? { [%eval 4.35] } { Mistake. Nf4 was best. } { [%clk 0:31:22] } 21. Nf5? { [%eval 2.28] } { Mistake. Qf2 was best. } { [%clk 0:32:17] } 21... Bxf5 { [%eval 2.07] [%clk 0:30:25] } 22. Rxf5 { [%eval 1.95] [%clk 0:30:10] } 22... c6?! { [%eval 2.83] } { Inaccuracy. Ng4 was best. } { [%clk 0:27:58] } 23. Raf1 { [%eval 2.95] [%clk 0:25:05] } 23... Qc7?! { [%eval 4.37] } { Inaccuracy. Kg8 was best. } { [%clk 0:26:29] } 24. Qe2?! { [%eval 3.29] } { Inaccuracy. c5 was best. } { [%clk 0:22:10] } 24... Nf4 { [%eval 3.62] [%clk 0:25:45] } 25. Bxf4?! { [%eval 2.48] } { Inaccuracy. R1xf4 was best. } { [%clk 0:10:15] } 25... exf4 { [%eval 2.63] [%clk 0:25:53] } 26. R1xf4 { [%eval 2.17] [%clk 0:08:34] } 26... cxd5 { [%eval 2.66] [%clk 0:25:58] } 27. cxd5 { [%eval 2.2] [%clk 0:06:40] } 27... Qxc3?! { [%eval 3.11] } { Inaccuracy. Re5 was best. } { [%clk 0:24:38] } 28. e5 { [%eval 2.93] [%clk 0:04:17] } 28... Rad8 { [%eval 2.91] [%clk 0:13:52] } 29. Bc4 { [%eval 2.83] [%clk 0:02:09] } 29... Kg8 { [%eval 3.6] [%clk 0:10:15] } 30. h3 { [%eval 4.46] [%clk 0:01:08] } 30... a6 { [%eval 4.83] [%clk 0:08:24] } 31. Kh2 { [%eval 4.55] [%clk 0:00:40] } 31... b5 { [%eval 4.59] [%clk 0:08:39] } 32. Bb3 { [%eval 4.39] [%clk 0:01:07] } 32... Qc7?! { [%eval 6.94] } { Inaccuracy. Rxd5 was best. } { [%clk 0:07:46] } 33. Qb2?! { [%eval 4.8] } { Inaccuracy. d6 was best. } { [%clk 0:01:11] } 33... Nxd5 { [%eval 5.1] [%clk 0:05:56] } 34. Rxf7 { [%eval 5.17] [%clk 0:00:46] } 34... Qxf7 { [%eval 5.14] [%clk 0:04:05] } 35. Rxf7 { [%eval 5.23] [%clk 0:01:13] } 35... Kxf7 { [%eval 5.2] [%clk 0:04:33] } 36. Qd4?! { [%eval 4.01] } { Inaccuracy. Qc3 was best. } { [%clk 0:01:23] } 36... Ke6 { [%eval 3.9] [%clk 0:04:14] } 37. Qc5 { [%eval 4.02] [%clk 0:00:41] } 37... Re7?! { [%eval 5.46] } { Inaccuracy. Rg8 was best. } { [%clk 0:03:19] } 38. Qb6+ { [%eval 5.48] [%clk 0:01:10] } 38... Kxe5 { [%eval 6.25] [%clk 0:03:13] } 39. Qxd8 { [%eval 7.43] [%clk 0:01:37] } 39... Rc7? { [%eval #8] } { Checkmate is now unavoidable. Nf4 was best. } { [%clk 0:03:31] } 40. Qxd5+ { [%eval #6] [%clk 0:02:04] } 40... Kf6 { [%eval #6] [%clk 0:03:56] } 41. Qd6+ { [%eval #6] [%clk 0:02:28] } 1-0