Event: 16th Calgary International
Site: https://lichess.org/broadcast/16th-calgary-international/round-4/vKNUVnpN/cZa4d1aY
White: Zheng, Yanchen
WhiteTitle: GM
WhiteElo: 1877
Black: Bai, Jinghui
BlackTitle: GM
BlackElo: 2031
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Portsmouth Gambit
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:51] } 2. Nf3 { [%eval 0.2] [%clk 1:31:22] } 2... Nc6 { [%eval 0.3] [%clk 1:29:03] } 3. b4?! { [%eval -0.28] } { Inaccuracy. Bb5 was best. } { [%clk 1:31:45] } 3... d5 { [%eval 0.19] [%clk 1:24:38] } 4. e5? { [%eval -0.97] } { Mistake. exd5 was best. } { [%clk 1:29:06] } 4... Bg4?! { [%eval -0.07] } { Inaccuracy. Nxb4 was best. } { [%clk 1:22:04] } 5. bxc5 { [%eval -0.11] [%clk 1:29:00] } 5... Qa5 { [%eval 0.42] [%clk 1:18:16] } 6. Bb2?! { [%eval -0.62] } { Inaccuracy. c3 was best. } { [%clk 1:26:16] } 6... d4? { [%eval 0.61] } { Mistake. e6 was best. } { [%clk 1:09:56] } 7. c3 { [%eval 0.42] [%clk 1:23:29] } 7... O-O-O? { [%eval 1.56] } { Mistake. d3 was best. } { [%clk 1:05:58] } 8. cxd4 { [%eval 1.69] [%clk 1:08:45] } 8... Nxd4 { [%eval 1.66] [%clk 0:48:53] } 9. Be2?! { [%eval 0.78] } { Inaccuracy. Bxd4 was best. } { [%clk 1:07:51] } 9... Nxe2 { [%eval 0.85] [%clk 0:48:40] } 10. Qxe2 { [%eval 0.82] [%clk 1:08:10] } 10... e6 { [%eval 0.65] [%clk 0:38:19] } 11. c6 { [%eval 0.47] [%clk 1:06:32] } 11... b6?? { [%eval 2.69] } { Blunder. bxc6 was best. } { [%clk 0:37:05] } 12. O-O { [%eval 2.64] [%clk 1:04:16] } 12... Kc7?! { [%eval 3.73] } { Inaccuracy. Ne7 was best. } { [%clk 0:24:30] } 13. h3 { [%eval 3.61] [%clk 0:57:16] } 13... Bxf3 { [%eval 3.67] [%clk 0:23:13] } 14. Qxf3 { [%eval 3.63] [%clk 0:57:34] } 14... Nh6 { [%eval 3.47] [%clk 0:18:34] } 15. d4 { [%eval 3.51] [%clk 0:51:45] } 15... Qb5?! { [%eval 4.57] } { Inaccuracy. Nf5 was best. } { [%clk 0:18:06] } 16. Nc3?! { [%eval 3.32] } { Inaccuracy. a4 was best. } { [%clk 0:48:25] } 16... Qxc6 { [%eval 3.29] [%clk 0:17:43] } 17. Qd3 { [%eval 3.3] [%clk 0:46:37] } 17... Kb8 { [%eval 2.95] [%clk 0:17:10] } 18. Rfc1 { [%eval 3.27] [%clk 0:46:19] } 18... Rd7 { [%eval 3.35] [%clk 0:13:05] } 19. a4 { [%eval 3.27] [%clk 0:43:50] } 19... Bb4? { [%eval 5.5] } { Mistake. Nf5 was best. } { [%clk 0:13:26] } 20. Nb5? { [%eval 3.45] } { Mistake. Na2 was best. } { [%clk 0:41:57] } 20... Qd5 { [%eval 3.82] [%clk 0:13:17] } 21. Rc4 { [%eval 3.42] [%clk 0:40:27] } 21... a5 { [%eval 3.18] [%clk 0:12:21] } 22. Qc2 { [%eval 3.09] [%clk 0:34:54] } 22... Nf5 { [%eval 3.08] [%clk 0:12:09] } 23. Rc1 { [%eval 3.07] [%clk 0:33:23] } 23... Qb7 { [%eval 3.62] [%clk 0:07:52] } 24. Qd3?! { [%eval 2.21] } { Inaccuracy. d5 was best. } { [%clk 0:22:08] } 24... Bc5?! { [%eval 3.08] } { Inaccuracy. Rhd8 was best. } { [%clk 0:03:21] } 25. Qc2 { [%eval 3.02] [%clk 0:21:51] } 25... Bb4 { [%eval 3.61] [%clk 0:03:32] } 26. Qe2?! { [%eval 2.27] } { Inaccuracy. d5 was best. } { [%clk 0:22:12] } 26... Qd5? { [%eval 4.4] } { Mistake. h5 was best. } { [%clk 0:03:18] } 27. Rc6?! { [%eval 2.96] } { Inaccuracy. Nc7 was best. } { [%clk 0:11:39] } 27... Bc5 { [%eval 2.48] [%clk 0:02:51] } 28. R6xc5 { [%eval 2.67] [%clk 0:11:27] } 28... bxc5 { [%eval 2.87] [%clk 0:03:13] } 29. Rxc5 { [%eval 2.76] [%clk 0:11:53] } 29... Qb7 { [%eval 2.34] [%clk 0:02:17] } 30. Na3?? { [%eval 0.24] } { Blunder. Nd6 was best. } { [%clk 0:11:51] } 30... Rd5 { [%eval 0.27] [%clk 0:02:31] } 31. Rb5 { [%eval 0.1] [%clk 0:11:25] } 31... Rxb5 { [%eval 0.25] [%clk 0:02:56] } 32. Nxb5 { [%eval 0.2] [%clk 0:11:47] } 32... Rd8 { [%eval 0.26] [%clk 0:02:55] } 33. Bc3 { [%eval 0.17] [%clk 0:11:00] } 33... Rd7 { [%eval 0.25] [%clk 0:02:26] } 34. Bxa5?! { [%eval -0.58] } { Inaccuracy. Kh2 was best. } { [%clk 0:09:25] } 34... Nxd4 { [%eval -0.77] [%clk 0:01:57] } 35. Bc7+?? { [%eval -5.89] } { Blunder. Nxd4 was best. } { [%clk 0:07:49] } 35... Qxc7 { [%eval -5.74] [%clk 0:02:07] } 36. Nxd4 { [%eval -7.24] [%clk 0:07:25] } 36... Qc1+ { [%eval -7.21] [%clk 0:02:12] } 37. Kh2 { [%eval -7.09] [%clk 0:07:50] } 37... Qf4+ { [%eval -7.03] [%clk 0:02:38] } 38. g3 { [%eval -6.98] [%clk 0:08:14] } 38... Qxd4 { [%eval -6.76] [%clk 0:03:03] } 39. Qb5+ { [%eval -7.25] [%clk 0:08:36] } 39... Kc8 { [%eval -5.69] [%clk 0:03:11] } 40. Qc6+ { [%eval -6.07] [%clk 0:08:31] } 40... Kd8 { [%eval -5.84] [%clk 0:03:32] } 0-1