Event: Round 4: Lucas Yang - Ted Wang
Site: https://lichess.org/study/ntOLQWTW/LIzUTEeK
Date: 2022-12-10
White: Lucas Yang
Black: Ted Wang
Result: 0-1
ECO: E70
Opening: King's Indian Defense: Kramer Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:00] } 1... Nf6 { [%eval 0.23] [%clk 1:30:00] } 2. c4 { [%eval 0.29] [%clk 1:30:00] } 2... g6 { [%eval 0.3] [%clk 1:30:00] } 3. Nc3 { [%eval 0.31] [%clk 1:29:58] } 3... Bg7 { [%eval 0.7] [%clk 1:30:00] } 4. e4 { [%eval 0.67] [%clk 1:29:58] } 4... d6 { [%eval 0.65] [%clk 1:30:00] } 5. Nge2 { [%eval 0.33] [%clk 1:29:52] } 5... O-O { [%eval 0.35] [%clk 1:27:41] } 6. Ng3 { [%eval 0.39] [%clk 1:29:44] } 6... Nbd7 { [%eval 0.62] [%clk 1:26:46] } 7. Be2 { [%eval 0.67] [%clk 1:27:48] } 7... c5 { [%eval 1.01] [%clk 1:26:19] } 8. d5 { [%eval 0.8] [%clk 1:27:48] } 8... a6 { [%eval 1.07] [%clk 1:25:14] } 9. O-O { [%eval 0.66] [%clk 1:26:39] } 9... b5 { [%eval 0.74] [%clk 1:24:05] } 10. cxb5 { [%eval 0.75] [%clk 1:26:15] } 10... axb5 { [%eval 0.8] [%clk 1:24:05] } 11. Bxb5 { [%eval 0.61] [%clk 1:25:53] } 11... Ba6 { [%eval 0.65] [%clk 1:24:04] } 12. Bxa6 { [%eval 0.87] [%clk 1:24:46] } 12... Rxa6 { [%eval 0.71] [%clk 1:24:04] } 13. Be3 { [%eval 0.65] [%clk 1:24:38] } 13... Qa5 { [%eval 0.6] [%clk 1:16:28] } 14. Nge2 { [%eval 0.66] [%clk 1:20:25] } 14... Ne5 { [%eval 0.88] [%clk 1:14:55] } 15. b3 { [%eval 0.82] [%clk 1:17:45] } 15... Rb8 { [%eval 0.84] [%clk 1:03:25] } 16. Qc2 { [%eval 0.93] [%clk 1:12:58] } 16... Ne8 { [%eval 0.88] [%clk 0:54:49] } 17. Rfb1 { [%eval 0.73] [%clk 1:11:08] } 17... Nc7 { [%eval 0.67] [%clk 0:51:30] } 18. Bc1?! { [%eval -0.23] } { Inaccuracy. Bd2 was best. } { [%clk 1:09:12] } 18... Nb5 { [%eval -0.42] [%clk 0:50:22] } 19. Nxb5?? { [%eval #-1] } { Checkmate is now unavoidable. Bb2 was best. } { [%clk 1:09:12] } 19... Qxb5?? { [%eval -0.01] } { Lost forced checkmate sequence. Qe1# was best. } { [%clk 0:49:15] } 20. Bb2 { [%eval -0.04] [%clk 1:09:04] } 20... Raa8 { [%eval 0.15] [%clk 0:34:46] } 21. Ng3 { [%eval -0.34] [%clk 1:02:57] } 21... Qd3 { [%eval -0.22] [%clk 0:32:39] } 22. Qxd3 { [%eval -0.21] [%clk 1:02:22] } 22... Nxd3 { [%eval -0.22] [%clk 0:32:07] } 23. Bxg7 { [%eval -0.29] [%clk 1:02:22] } 23... Kxg7 { [%eval -0.24] } 24. Nf1?! { [%eval -0.8] } { Inaccuracy. Ne2 was best. } { [%clk 1:01:40] } 24... Ra3 { [%eval -0.7] [%clk 0:31:25] } 25. Ne3?! { [%eval -1.42] } { Inaccuracy. f3 was best. } { [%clk 1:00:14] } 25... Rba8 { [%eval -1.47] [%clk 0:31:07] } 26. Rd1 { [%eval -1.3] [%clk 0:59:50] } 26... Nb4?! { [%eval -0.31] } { Inaccuracy. Nb2 was best. } { [%clk 0:30:59] } 27. Nc4 { [%eval -0.24] [%clk 0:59:29] } 27... Rxa2 { [%eval -0.37] [%clk 0:30:59] } 28. Rxa2 { [%eval -0.24] [%clk 0:59:26] } 28... Rxa2 { [%eval -0.27] [%clk 0:30:59] } 29. Kf1 { [%eval -0.49] [%clk 0:58:26] } 29... Nc2 { [%eval -0.21] [%clk 0:27:33] } 30. g3?! { [%eval -0.96] } { Inaccuracy. e5 was best. } { [%clk 0:56:36] } 30... Nd4 { [%eval -1.0] [%clk 0:23:50] } 31. Rd3 { [%eval -0.9] [%clk 0:56:23] } 31... Ra1+ { [%eval -0.89] [%clk 0:22:05] } 32. Kg2 { [%eval -0.88] [%clk 0:56:23] } 32... Rb1 { [%eval -0.63] [%clk 0:21:58] } 33. Nd2?? { [%eval -3.87] } { Blunder. f4 was best. } { [%clk 0:56:12] } 33... Rb2?? { [%eval -0.93] } { Blunder. Rd1 was best. } { [%clk 0:21:56] } 34. Kh3? { [%eval -2.36] } { Mistake. Nc4 was best. } { [%clk 0:55:13] } 34... Nxb3 { [%eval -2.24] [%clk 0:20:16] } 35. Rxb3? { [%eval -4.21] } { Mistake. Nxb3 was best. } { [%clk 0:55:09] } 35... Rxd2 { [%eval -4.4] [%clk 0:20:16] } 36. f3 { [%eval -4.56] [%clk 0:54:31] } 36... Kf6?! { [%eval -3.28] } { Inaccuracy. f5 was best. } { [%clk 0:20:14] } 37. Rc3?! { [%eval -4.59] } { Inaccuracy. g4 was best. } { [%clk 0:54:28] } 37... Ke5 { [%eval -4.54] [%clk 0:20:14] } 38. Rc4 { [%eval -5.05] [%clk 0:54:28] } 38... Rd4 { [%eval -4.91] [%clk 0:20:05] } 39. Rc3 { [%eval -5.08] [%clk 0:54:24] } 39... Rb4 { [%eval -5.24] [%clk 0:19:58] } 40. Kg2 { [%eval -5.47] [%clk 0:51:47] } 40... Kd4 { [%eval -5.65] [%clk 0:19:57] } 41. Ra3 { [%eval -5.65] [%clk 0:51:18] } 41... c4 { [%eval -5.96] [%clk 0:19:53] } 42. Kf2 { [%eval -6.42] [%clk 0:51:11] } 42... c3 { [%eval -6.3] [%clk 0:19:52] } 43. Ke2 { [%eval -6.58] [%clk 0:50:50] } 43... Rb2+ { [%eval -6.6] [%clk 0:19:52] } 44. Ke1 { [%eval -7.0] } 0-1