Event: Round 5: Emma Yang - Harold Zhang
Date: 2023-07-08
White: Emma Yang
Black: Harold Zhang
Result: 1-0
ECO: C42
Opening: Petrov's Defense: Cozio Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:56] } 1... e5 { [%eval 0.35] [%clk 1:30:49] } 2. Nf3 { [%eval 0.29] [%clk 1:31:19] } 2... Nf6 { [%eval 0.5] [%clk 1:30:56] } 3. Nxe5 { [%eval 0.34] [%clk 1:31:24] } 3... d6 { [%eval 0.49] [%clk 1:31:16] } 4. Nf3 { [%eval 0.35] [%clk 1:31:41] } 4... Nxe4 { [%eval 0.25] [%clk 1:31:31] } 5. Qe2 { [%eval 0.17] [%clk 1:31:45] } 5... Qe7 { [%eval 0.14] [%clk 1:31:47] } 6. d3 { [%eval 0.0] [%clk 1:31:22] } 6... Nf6 { [%eval 0.0] [%clk 1:31:32] } 7. Nc3 { [%eval 0.17] [%clk 1:30:41] } 7... Qxe2+ { [%eval 0.13] [%clk 1:31:35] } 8. Bxe2 { [%eval 0.02] [%clk 1:31:02] } 8... Nc6 { [%eval 0.23] [%clk 1:31:23] } 9. Bd2 { [%eval 0.07] [%clk 1:30:50] } 9... Be7 { [%eval 0.1] [%clk 1:31:19] } 10. Nb5 { [%eval 0.17] [%clk 1:30:02] } 10... a6?? { [%eval 5.65] } { Blunder. Bd8 was best. } { [%clk 1:31:34] } 11. Nxc7+ { [%eval 5.73] [%clk 1:29:59] } 11... Kd7 { [%eval 5.69] [%clk 1:31:23] } 12. Nxa8 { [%eval 5.51] [%clk 1:30:04] } 12... Ne5 { [%eval 6.83] [%clk 1:30:54] } 13. Nxe5+ { [%eval 6.7] [%clk 1:30:12] } 13... dxe5 { [%eval 6.7] [%clk 1:30:59] } 14. Nb6+ { [%eval 6.67] [%clk 1:30:21] } 14... Kc7 { [%eval 6.63] [%clk 1:31:15] } 15. Nxc8 { [%eval 6.62] [%clk 1:30:42] } 15... Rxc8 { [%eval 6.6] [%clk 1:31:31] } 16. Be3 { [%eval 6.39] [%clk 1:30:17] } 16... Bb4+ { [%eval 6.61] [%clk 1:31:36] } 17. c3 { [%eval 6.55] [%clk 1:30:33] } 17... Ba5 { [%eval 6.61] [%clk 1:31:42] } 18. O-O { [%eval 6.58] [%clk 1:30:48] } 18... Kd7 { [%eval 6.9] [%clk 1:31:42] } 19. Rac1 { [%eval 6.72] [%clk 1:30:50] } 19... e4 { [%eval 7.07] [%clk 1:31:49] } 20. dxe4 { [%eval 7.01] [%clk 1:30:16] } 20... Nxe4 { [%eval 9.83] [%clk 1:32:00] } 21. Bg4+ { [%eval 10.11] [%clk 1:30:19] } 21... Kc7 { [%eval 10.11] [%clk 1:31:32] } 22. Bxc8 { [%eval 7.61] [%clk 1:30:36] } 22... Kxc8 { [%eval 7.65] [%clk 1:31:43] } 23. Rfe1 { [%eval 7.71] [%clk 1:30:50] } 23... Kc7 { [%eval 11.85] [%clk 1:31:06] } 24. Bd4 { [%eval 8.66] [%clk 1:30:58] } 24... Nd6 { [%eval 8.66] [%clk 1:30:54] } 25. Bxg7 { [%eval 8.61] [%clk 1:30:29] } 25... Nc4 { [%eval 8.97] [%clk 1:29:43] } 26. Be5+ { [%eval 8.97] [%clk 1:30:11] } 26... Nxe5 { [%eval 10.21] [%clk 1:29:56] } 27. Rxe5 { [%eval 10.56] [%clk 1:30:25] } 27... b6 { [%eval 11.88] [%clk 1:30:08] } 28. Rf5 { [%eval 11.39] [%clk 1:30:30] } 28... Kd6 { [%eval 13.44] [%clk 1:30:01] } 29. Re1 { [%eval 11.67] } 29... Kc6 { [%eval 13.4] [%clk 1:29:32] } 30. Rxf7 { [%eval 34.74] [%clk 1:30:05] } 30... b5 { [%eval 44.62] [%clk 1:29:28] } 31. Rf5 { [%eval 13.31] [%clk 1:30:28] } 31... b4?! { [%eval #14] } { Checkmate is now unavoidable. Bc7 was best. } 32. Re6+?! { [%eval 44.24] } { Lost forced checkmate sequence. Rxa5 was best. } 32... Kd7 { [%eval 42.58] [%clk 1:28:46] } 33. Rxa6 { [%eval 48.0] [%clk 1:30:35] } 33... Bc7 { [%eval #6] [%clk 1:28:46] } 34. Rf7+ { [%eval #19] [%clk 1:30:48] } 34... Ke8 { [%eval #3] } 35. Rxc7 { [%eval #2] } 35... Kd8 { [%eval #2] [%clk 1:27:27] } 36. Rg7 { [%eval #1] [%clk 1:31:07] } 36... Kc8 { [%eval #1] [%clk 1:27:32] } 37. Ra8# { [%clk 1:31:28] } 1-0