Event: FIDE Online Olympiad Play-off Stage
Site: chess24.com
Date: 2020-08-30
White: Koneru, Humpy
WhiteTitle: GM
WhiteElo: 2586
Black: Lagno, Kateryna
BlackTitle: GM
BlackElo: 2546
Result: 1/2-1/2
ECO: D86
Opening: Grünfeld Defense: Exchange Variation, Classical Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:15:04] } 1... Nf6 { [%eval 0.21] [%clk 0:15:03] } 2. c4 { [%eval 0.09] [%clk 0:15:07] } 2... g6 { [%eval 0.25] [%clk 0:15:07] } 3. Nc3 { [%eval 0.16] [%clk 0:15:11] } 3... d5 { [%eval 0.13] [%clk 0:15:10] } 4. cxd5 { [%eval 0.0] [%clk 0:15:14] } 4... Nxd5 { [%eval 0.4] [%clk 0:15:14] } 5. e4 { [%eval 0.0] [%clk 0:15:17] } 5... Nxc3 { [%eval 0.52] [%clk 0:15:18] } 6. bxc3 { [%eval 0.13] [%clk 0:15:21] } 6... Bg7 { [%eval 0.17] [%clk 0:15:22] } 7. Bc4 { [%eval 0.0] [%clk 0:15:24] } 7... c5 { [%eval 0.13] [%clk 0:15:24] } 8. Ne2 { [%eval 0.37] [%clk 0:15:27] } 8... Nc6 { [%eval 0.26] [%clk 0:15:27] } 9. Be3 { [%eval 0.4] [%clk 0:15:29] } 9... O-O { [%eval 0.54] [%clk 0:15:30] } 10. O-O { [%eval 0.27] [%clk 0:15:32] } 10... b6 { [%eval 0.36] [%clk 0:15:32] } 11. dxc5 { [%eval 0.34] [%clk 0:15:31] } 11... Qc7 { [%eval 0.32] [%clk 0:15:33] } 12. Nd4 { [%eval 0.41] [%clk 0:15:34] } 12... Ne5 { [%eval 0.3] [%clk 0:15:33] } 13. Nb5 { [%eval 0.23] [%clk 0:15:35] } 13... Qb8 { [%eval 0.33] [%clk 0:15:34] } 14. Bd5 { [%eval 0.0] [%clk 0:15:36] } 14... Ng4 { [%eval 0.0] [%clk 0:15:20] } 15. g3 { [%eval 0.0] [%clk 0:15:38] } 15... a6 { [%eval 0.13] [%clk 0:15:11] } 16. Bxa8 { [%eval 0.0] [%clk 0:14:12] } 16... Nxe3 { [%eval 0.0] [%clk 0:15:04] } 17. fxe3 { [%eval 0.0] [%clk 0:14:14] } 17... axb5 { [%eval 0.0] [%clk 0:14:57] } 18. Bd5 { [%eval 0.0] [%clk 0:14:15] } 18... Qc7 { [%eval 0.0] [%clk 0:14:30] } 19. cxb6 { [%eval 0.0] [%clk 0:14:02] } 19... Qxb6 { [%eval 0.0] [%clk 0:14:29] } 20. Qe2 { [%eval 0.0] [%clk 0:13:49] } 20... e6 { [%eval 0.16] [%clk 0:14:29] } 21. Bb3 { [%eval 0.19] [%clk 0:13:50] } 21... Bb7 { [%eval 0.34] [%clk 0:14:20] } 22. Bc2 { [%eval 0.25] [%clk 0:12:53] } 22... b4 { [%eval 0.28] [%clk 0:12:02] } 23. Rab1 { [%eval 0.35] [%clk 0:08:10] } 23... Bxc3 { [%eval 0.78] [%clk 0:11:45] } 24. a3 { [%eval 0.38] [%clk 0:08:12] } 24... Rd8?! { [%eval 0.91] } { Inaccuracy. Qa6 was best. } { [%clk 0:09:01] } 25. axb4 { [%eval 0.9] [%clk 0:06:45] } 25... Rd2 { [%eval 0.86] [%clk 0:08:39] } 26. Qf3 { [%eval 0.72] [%clk 0:06:46] } 26... f5 { [%eval 0.81] [%clk 0:08:37] } 27. Rf2 { [%eval 0.88] [%clk 0:06:39] } 27... Rxc2 { [%eval 0.91] [%clk 0:07:37] } 28. Rxc2 { [%eval 0.97] [%clk 0:06:41] } 28... Bxe4 { [%eval 1.1] [%clk 0:07:42] } 29. Qxe4?! { [%eval 0.23] } { Inaccuracy. Qe2 was best. } { [%clk 0:03:32] } 29... fxe4 { [%eval 0.0] [%clk 0:07:33] } 30. Rxc3 { [%eval 0.0] [%clk 0:03:36] } 30... Qb5 { [%eval 0.0] [%clk 0:07:13] } 31. Rb2 { [%eval 0.09] [%clk 0:03:23] } 31... h5 { [%eval 0.45] [%clk 0:07:06] } 32. Kg2 { [%eval 0.35] [%clk 0:01:19] } 32... h4 { [%eval 0.0] [%clk 0:05:59] } 33. gxh4 { [%eval 0.0] [%clk 0:00:40] } 33... Qf5?! { [%eval 0.87] } { Inaccuracy. Qh5 was best. } { [%clk 0:05:25] } 34. h3 { [%eval 0.8] [%clk 0:00:42] } 34... Qf6? { [%eval 2.23] } { Mistake. Qb5 was best. } { [%clk 0:04:36] } 35. Rc8+?? { [%eval 0.35] } { Blunder. Rcb3 was best. } { [%clk 0:00:19] } 35... Kh7?? { [%eval 13.32] } { Blunder. Kg7 was best. } { [%clk 0:04:37] } 36. Rf2 { [%eval 8.36] [%clk 0:00:21] } 36... Qe5 { [%eval 13.0] [%clk 0:03:22] } 37. b5 { [%eval 11.44] [%clk 0:00:23] } 37... g5 { [%eval 12.9] [%clk 0:03:21] } 38. h5 { [%eval 11.85] [%clk 0:00:22] } 38... g4 { [%eval 36.93] [%clk 0:02:38] } 39. hxg4 { [%eval 26.39] [%clk 0:00:20] } 39... Qg7?? { [%eval #14] } { Checkmate is now unavoidable. Kh6 was best. } { [%clk 0:02:31] } 40. Kh3 { [%eval #13] [%clk 0:00:19] } 40... Qa7 { [%eval #11] [%clk 0:02:34] } 41. Rc3?! { [%eval 20.61] } { Lost forced checkmate sequence. b6 was best. } { [%clk 0:00:18] } 41... Qa1 { [%eval 25.15] [%clk 0:02:32] } 42. Rc7+ { [%eval 16.54] [%clk 0:00:19] } 42... Kh6 { [%eval 12.66] [%clk 0:02:35] } 43. Kg2?? { [%eval 1.32] } { Blunder. Rcf7 was best. } { [%clk 0:00:20] } 43... Qd1 { [%eval 1.47] [%clk 0:02:27] } 44. Rcf7? { [%eval 0.0] } { Mistake. g5+ was best. } { [%clk 0:00:12] } 44... Qxg4+ { [%eval 0.0] [%clk 0:02:29] } 45. Kf1 { [%eval 0.0] [%clk 0:00:16] } 45... Qd1+ { [%eval 0.0] [%clk 0:02:32] } 46. Kg2 { [%eval 0.0] [%clk 0:00:20] } 46... Qg4+ { [%eval 0.0] [%clk 0:02:36] } 47. Kf1 { [%eval 0.0] [%clk 0:00:21] } 47... Qd1+ { [%eval 0.0] [%clk 0:02:40] } 48. Kg2 { [%clk 0:00:25] } 48... Qg4+ { [%clk 0:02:44] } 1/2-1/2