Event: Online_Olympiad_QF1
Site: Chess.com
Date: 2021-09-13
White: Cyfka, Karina
WhiteElo: 2302
Black: Hou, Yifan
BlackElo: 2549
Result: 0-1
ECO: E46
Opening: Nimzo-Indian Defense: Normal Variation
Variant: Standard
TimeControl: 900+5

1. d4 { [%eval 0.0] [%clk 0:15:04] } 1... Nf6 { [%eval 0.27] [%clk 0:14:57] } 2. c4 { [%eval 0.11] [%clk 0:15:07] } 2... e6 { [%eval 0.39] [%clk 0:14:59] } 3. Nc3 { [%eval 0.0] [%clk 0:15:09] } 3... Bb4 { [%eval 0.25] [%clk 0:14:58] } 4. e3 { [%eval 0.02] [%clk 0:15:11] } 4... O-O { [%eval 0.21] [%clk 0:14:43] } 5. Bd2 { [%eval 0.05] [%clk 0:15:05] } 5... b6 { [%eval 0.05] [%clk 0:14:12] } 6. Nf3 { [%eval 0.13] [%clk 0:14:53] } 6... Bb7 { [%eval 0.09] [%clk 0:14:15] } 7. Bd3 { [%eval 0.0] [%clk 0:14:47] } 7... d5 { [%eval 0.0] [%clk 0:13:08] } 8. cxd5 { [%eval 0.16] [%clk 0:14:47] } 8... exd5 { [%eval 0.19] [%clk 0:13:12] } 9. O-O { [%eval 0.11] [%clk 0:14:45] } 9... Bd6 { [%eval -0.03] [%clk 0:13:06] } 10. Qb1 { [%eval 0.2] [%clk 0:14:37] } 10... Re8 { [%eval 0.4] [%clk 0:11:14] } 11. b4 { [%eval 0.28] [%clk 0:13:59] } 11... Ne4 { [%eval 0.41] [%clk 0:10:58] } 12. Be1 { [%eval 0.18] [%clk 0:13:28] } 12... Nd7 { [%eval 0.25] [%clk 0:09:49] } 13. a3 { [%eval -0.07] [%clk 0:12:29] } 13... a6 { [%eval -0.14] [%clk 0:09:51] } 14. Qa2 { [%eval -0.46] [%clk 0:10:41] } 14... Ndf6 { [%eval -0.55] [%clk 0:09:26] } 15. Rc1 { [%eval -0.34] [%clk 0:10:39] } 15... Re6 { [%eval -0.02] [%clk 0:08:55] } 16. h3 { [%eval 0.04] [%clk 0:09:47] } 16... h6 { [%eval 0.0] [%clk 0:08:21] } 17. Nd2?! { [%eval -0.83] } { Inaccuracy. Ne2 was best. } { [%clk 0:09:30] } 17... Nxc3 { [%eval -0.82] [%clk 0:07:22] } 18. Rxc3 { [%eval -0.96] [%clk 0:09:32] } 18... Re7?! { [%eval -0.13] } { Inaccuracy. Qe8 was best. } { [%clk 0:06:12] } 19. Rc1 { [%eval -0.05] [%clk 0:09:08] } 19... Qd7 { [%eval -0.09] [%clk 0:05:53] } 20. Qb3?! { [%eval -0.62] } { Inaccuracy. Nf3 was best. } { [%clk 0:08:33] } 20... Ne4?! { [%eval 0.15] } { Inaccuracy. Bc6 was best. } { [%clk 0:05:01] } 21. Nxe4?! { [%eval -0.65] } { Inaccuracy. f4 was best. } { [%clk 0:07:25] } 21... dxe4 { [%eval -0.47] [%clk 0:05:04] } 22. Bc4? { [%eval -1.76] } { Mistake. Be2 was best. } { [%clk 0:07:27] } 22... b5 { [%eval -2.33] [%clk 0:05:08] } 23. Be2 { [%eval -1.74] [%clk 0:07:27] } 23... Bd5 { [%eval -2.01] [%clk 0:05:12] } 24. Qb2 { [%eval -1.96] [%clk 0:07:17] } 24... c6 { [%eval -1.54] [%clk 0:04:06] } 25. Qc2?! { [%eval -2.55] } { Inaccuracy. Bg4 was best. } { [%clk 0:06:41] } 25... Rae8 { [%eval -2.61] [%clk 0:03:23] } 26. Bd2 { [%eval -2.55] [%clk 0:06:16] } 26... Bb8 { [%eval -3.06] [%clk 0:03:23] } 27. Rfe1?! { [%eval -4.67] } { Inaccuracy. a4 was best. } { [%clk 0:05:29] } 27... Qd6?! { [%eval -3.3] } { Inaccuracy. Re6 was best. } { [%clk 0:03:24] } 28. g3 { [%eval -3.37] [%clk 0:05:31] } 28... Qg6 { [%eval -2.82] [%clk 0:03:25] } 29. Bf1?! { [%eval -3.94] } { Inaccuracy. Kh2 was best. } { [%clk 0:05:00] } 29... Re6 { [%eval -4.65] [%clk 0:03:15] } 30. Bg2 { [%eval -4.23] [%clk 0:04:45] } 30... h5 { [%eval -4.05] [%clk 0:03:16] } 31. h4?! { [%eval -5.52] } { Inaccuracy. Rf1 was best. } { [%clk 0:04:12] } 31... Qf5?! { [%eval -3.9] } { Inaccuracy. Rf6 was best. } { [%clk 0:03:15] } 32. Qd1 { [%eval -3.15] [%clk 0:02:48] } 32... Rf6 { [%eval -3.35] [%clk 0:03:12] } 33. Rf1 { [%eval -2.53] [%clk 0:02:45] } 33... Bd6 { [%eval -2.85] [%clk 0:02:36] } 34. Qe2 { [%eval -3.03] [%clk 0:02:21] } 34... Rg6 { [%eval -2.61] [%clk 0:02:03] } 35. Rc2 { [%eval -2.64] [%clk 0:02:00] } 35... Be7 { [%eval -2.56] [%clk 0:01:31] } 36. Kh2 { [%eval -2.54] [%clk 0:01:37] } 36... Bd6? { [%eval -0.93] } { Mistake. Rh6 was best. } { [%clk 0:01:09] } 37. Kg1? { [%eval -2.52] } { Mistake. Bh3 was best. } { [%clk 0:01:00] } 37... Ree6 { [%eval -3.0] [%clk 0:00:58] } 38. Rfc1?! { [%eval -3.96] } { Inaccuracy. Be1 was best. } { [%clk 0:00:55] } 38... Bc7?! { [%eval -2.52] } { Inaccuracy. Be7 was best. } { [%clk 0:00:38] } 39. Be1?! { [%eval -3.55] } { Inaccuracy. a4 was best. } { [%clk 0:00:51] } 39... Rh6? { [%eval -1.91] } { Mistake. Bd8 was best. } { [%clk 0:00:31] } 40. Kh2?? { [%eval -4.02] } { Blunder. Qf1 was best. } { [%clk 0:00:37] } 40... Qf6 { [%eval -3.44] [%clk 0:00:32] } 41. Kg1 { [%eval -4.0] [%clk 0:00:33] } 41... g5 { [%eval -3.87] [%clk 0:00:36] } 42. hxg5?! { [%eval -5.0] } { Inaccuracy. Rc5 was best. } { [%clk 0:00:30] } 42... Qxg5 { [%eval -5.31] [%clk 0:00:40] } 43. f4?! { [%eval -8.57] } { Inaccuracy. Rc5 was best. } { [%clk 0:00:20] } 43... exf3 { [%eval -8.08] [%clk 0:00:43] } 44. Bxf3 { [%eval -7.68] [%clk 0:00:23] } 44... Rxe3 { [%eval -7.91] [%clk 0:00:28] } 45. Bd2 { [%eval -7.61] [%clk 0:00:18] } 45... Bxf3 { [%eval -5.8] [%clk 0:00:22] } 46. Qxe3?? { [%eval #-4] } { Checkmate is now unavoidable. Bxe3 was best. } { [%clk 0:00:16] } 46... Qxg3+ { [%eval #-3] [%clk 0:00:24] } 47. Kf1 { [%eval #-3] [%clk 0:00:20] } 47... Qg2+ { [%eval #-2] [%clk 0:00:22] } 48. Ke1 { [%eval #-2] [%clk 0:00:23] } 48... Re6 { [%eval #-2] [%clk 0:00:26] } 0-1