Event: Online_Olympiad_Final
Site: Chess.com
Date: 2021-09-15
White: Dubov, Daniil
WhiteElo: 2744
Black: Xiong, Jeffery
BlackElo: 2600
Result: 1/2-1/2
ECO: D28
Opening: Queen's Gambit Accepted: Classical Defense, Alekhine System
Variant: Standard
TimeControl: 900+5

1. d4 { [%eval 0.0] [%clk 0:15:04] } 1... d5 { [%eval 0.23] [%clk 0:15:01] } 2. Nf3 { [%eval 0.0] [%clk 0:15:08] } 2... Nf6 { [%eval 0.09] [%clk 0:15:02] } 3. c4 { [%eval 0.0] [%clk 0:15:11] } 3... dxc4 { [%eval 0.25] [%clk 0:14:50] } 4. e3 { [%eval 0.13] [%clk 0:15:14] } 4... e6 { [%eval 0.21] [%clk 0:14:54] } 5. Bxc4 { [%eval 0.18] [%clk 0:15:17] } 5... c5 { [%eval 0.23] [%clk 0:14:58] } 6. O-O { [%eval 0.21] [%clk 0:15:21] } 6... a6 { [%eval 0.36] [%clk 0:15:01] } 7. Qe2 { [%eval 0.01] [%clk 0:15:22] } 7... b5 { [%eval 0.0] [%clk 0:13:29] } 8. Bd3 { [%eval 0.22] [%clk 0:15:23] } 8... Bb7 { [%eval 0.64] [%clk 0:13:29] } 9. dxc5 { [%eval 0.53] [%clk 0:15:24] } 9... Nc6 { [%eval 0.73] [%clk 0:12:57] } 10. Rd1 { [%eval 0.65] [%clk 0:14:11] } 10... Qc7 { [%eval 0.48] [%clk 0:12:55] } 11. a4 { [%eval 0.68] [%clk 0:13:19] } 11... b4 { [%eval 0.77] [%clk 0:12:52] } 12. Nbd2 { [%eval 1.17] [%clk 0:12:41] } 12... Bxc5 { [%eval 1.0] [%clk 0:12:55] } 13. b3?! { [%eval 0.1] } { Inaccuracy. Nb3 was best. } { [%clk 0:11:32] } 13... Na5? { [%eval 1.18] } { Mistake. Nd5 was best. } { [%clk 0:10:22] } 14. Bb2 { [%eval 1.28] [%clk 0:11:20] } 14... Qb6?! { [%eval 2.01] } { Inaccuracy. O-O was best. } { [%clk 0:06:32] } 15. Rac1 { [%eval 1.98] [%clk 0:10:57] } 15... Nd5? { [%eval 3.54] } { Mistake. Rd8 was best. } { [%clk 0:05:58] } 16. Ne4 { [%eval 3.9] [%clk 0:09:36] } 16... Nxb3 { [%eval 2.83] [%clk 0:05:01] } 17. Nxc5 { [%eval 2.45] [%clk 0:08:06] } 17... Nxc5 { [%eval 2.4] [%clk 0:05:06] } 18. Bxg7 { [%eval 2.63] [%clk 0:07:16] } 18... Rg8 { [%eval 2.5] [%clk 0:05:10] } 19. Bd4 { [%eval 2.36] [%clk 0:07:08] } 19... Nc3 { [%eval 2.71] [%clk 0:04:40] } 20. Rxc3 { [%eval 2.19] [%clk 0:05:37] } 20... bxc3 { [%eval 1.87] [%clk 0:04:45] } 21. Bxh7 { [%eval 1.98] [%clk 0:05:40] } 21... Rg4 { [%eval 1.92] [%clk 0:03:28] } 22. h3 { [%eval 1.83] [%clk 0:05:08] } 22... Rxd4 { [%eval 2.16] [%clk 0:03:20] } 23. Rxd4?! { [%eval 1.24] } { Inaccuracy. exd4 was best. } { [%clk 0:04:40] } 23... Rd8 { [%eval 1.21] [%clk 0:03:04] } 24. Qc4 { [%eval 0.81] [%clk 0:03:32] } 24... Bxf3 { [%eval 0.86] [%clk 0:01:42] } 25. gxf3 { [%eval 0.62] [%clk 0:02:12] } 25... Rxd4 { [%eval 0.66] [%clk 0:01:42] } 26. Qxd4 { [%eval 0.79] [%clk 0:01:58] } 26... a5 { [%eval 0.38] [%clk 0:00:37] } 27. Qxc3 { [%eval 0.53] [%clk 0:01:27] } 27... Nxa4 { [%eval 0.5] [%clk 0:00:41] } 28. Qh8+ { [%eval 0.41] [%clk 0:01:26] } 28... Ke7 { [%eval 0.44] [%clk 0:00:44] } 29. Bc2 { [%eval 0.58] [%clk 0:01:09] } 29... Nc5 { [%eval 0.53] [%clk 0:00:41] } 30. h4 { [%eval 0.43] [%clk 0:01:00] } 30... Nd7 { [%eval 0.26] [%clk 0:00:44] } 31. h5 { [%eval 0.0] [%clk 0:00:20] } 31... Qc5 { [%eval 0.0] [%clk 0:00:47] } 32. Ba4 { [%eval 0.0] [%clk 0:00:18] } 32... Nf6 { [%eval -0.02] [%clk 0:00:50] } 33. h6 { [%eval -0.22] [%clk 0:00:13] } 33... Qc4 { [%eval -0.22] [%clk 0:00:44] } 34. h7 { [%eval -0.35] [%clk 0:00:12] } 34... Qxa4 { [%eval -0.28] [%clk 0:00:26] } 35. Qxf6+ { [%eval -0.22] [%clk 0:00:17] } 35... Kxf6 { [%eval -0.26] [%clk 0:00:31] } 36. h8=Q+ { [%eval -0.24] [%clk 0:00:21] } 36... Ke7 { [%eval -0.27] [%clk 0:00:36] } 37. Qe5 { [%eval -0.21] [%clk 0:00:23] } 37... Qb4 { [%eval -0.28] [%clk 0:00:37] } 38. Qc7+ { [%eval 0.0] [%clk 0:00:24] } 38... Ke8 { [%eval -0.3] [%clk 0:00:21] } 39. Qc8+ { [%eval -0.21] [%clk 0:00:28] } 39... Ke7 { [%eval -0.02] [%clk 0:00:26] } 40. Qc7+ { [%eval -0.31] [%clk 0:00:33] } 40... Kf6 { [%eval 0.0] [%clk 0:00:30] } 41. f4 { [%eval -0.2] [%clk 0:00:37] } 41... a4 { [%eval 0.0] [%clk 0:00:13] } 42. Qe5+ { [%eval 0.0] [%clk 0:00:34] } 42... Ke7 { [%eval 0.0] [%clk 0:00:15] } 43. Qc7+ { [%eval 0.0] [%clk 0:00:38] } 43... Ke8 { [%eval 0.0] [%clk 0:00:12] } 44. Qc8+ { [%eval 0.0] [%clk 0:00:42] } 44... Ke7 { [%eval 0.0] [%clk 0:00:17] } 45. Qc7+ { [%eval 0.0] [%clk 0:00:47] } 45... Ke8 { [%eval 0.0] [%clk 0:00:17] } 46. Qc8+ { [%clk 0:00:51] } 46... Ke7 { [%clk 0:00:22] } 47. Qc7+ { [%clk 0:00:55] } 1/2-1/2