Event: FIDE Online Olympiad Play-off Stage
Site: chess24.com
Date: 2020-08-29
White: Kosteniuk, Alexandra
WhiteTitle: GM
WhiteElo: 2471
Black: Zatonskih, Anna
BlackTitle: IM
BlackElo: 2420
Result: 1-0
ECO: C42
Opening: Petrov's Defense: Nimzowitsch Attack
Variant: Standard

1. e4 { [%eval 0.0] [%clk 0:15:04] } 1... e5 { [%eval 0.4] [%clk 0:15:03] } 2. Nf3 { [%eval 0.25] [%clk 0:15:06] } 2... Nf6 { [%eval 0.64] [%clk 0:15:06] } 3. Nxe5 { [%eval 0.4] [%clk 0:15:10] } 3... d6 { [%eval 0.38] [%clk 0:15:08] } 4. Nf3 { [%eval 0.44] [%clk 0:15:14] } 4... Nxe4 { [%eval 0.25] [%clk 0:15:11] } 5. Nc3 { [%eval 0.09] [%clk 0:15:18] } 5... Nf6 { [%eval 0.4] [%clk 0:15:01] } 6. d4 { [%eval 0.52] [%clk 0:15:15] } 6... Be7 { [%eval 0.56] [%clk 0:15:04] } 7. Bd3 { [%eval 0.44] [%clk 0:15:06] } 7... Bg4 { [%eval 0.95] [%clk 0:14:18] } 8. O-O?! { [%eval 0.35] } { Inaccuracy. h3 was best. } { [%clk 0:15:08] } 8... O-O { [%eval 0.55] [%clk 0:14:17] } 9. Re1 { [%eval 0.22] [%clk 0:15:07] } 9... Nbd7 { [%eval 0.72] [%clk 0:13:10] } 10. h3 { [%eval 0.7] [%clk 0:14:44] } 10... Bh5 { [%eval 0.74] [%clk 0:13:12] } 11. g4 { [%eval 0.9] [%clk 0:13:41] } 11... Bg6 { [%eval 0.99] [%clk 0:13:02] } 12. g5 { [%eval 1.22] [%clk 0:12:54] } 12... Nh5 { [%eval 1.21] [%clk 0:12:54] } 13. Nd5 { [%eval 1.03] [%clk 0:11:28] } 13... Re8 { [%eval 1.03] [%clk 0:12:52] } 14. Nh4 { [%eval 0.77] [%clk 0:10:26] } 14... c6?? { [%eval 3.23] } { Blunder. Bxd3 was best. } { [%clk 0:10:42] } 15. Nxe7+ { [%eval 2.84] [%clk 0:10:00] } 15... Rxe7 { [%eval 3.25] [%clk 0:10:43] } 16. Nf5?? { [%eval 0.15] } { Blunder. Rxe7 was best. } { [%clk 0:06:06] } 16... Rxe1+ { [%eval 0.37] [%clk 0:08:47] } 17. Qxe1 { [%eval -0.01] [%clk 0:06:09] } 17... Bxf5 { [%eval 0.48] [%clk 0:08:46] } 18. Bxf5 { [%eval 0.39] [%clk 0:06:13] } 18... g6 { [%eval 0.35] [%clk 0:08:49] } 19. Bg4 { [%eval 0.13] [%clk 0:06:09] } 19... Ng7 { [%eval 0.28] [%clk 0:07:38] } 20. Bf4 { [%eval 0.18] [%clk 0:05:31] } 20... Nb6 { [%eval 0.42] [%clk 0:06:50] } 21. Qa5?! { [%eval -0.21] } { Inaccuracy. Qd2 was best. } { [%clk 0:05:02] } 21... Nd5?! { [%eval 0.44] } { Inaccuracy. f5 was best. } { [%clk 0:06:29] } 22. Qxd8+ { [%eval 0.23] [%clk 0:05:04] } 22... Rxd8 { [%eval 0.22] [%clk 0:06:32] } 23. Bd2 { [%eval 0.0] [%clk 0:05:08] } 23... Ne6 { [%eval 0.48] [%clk 0:04:41] } 24. c3 { [%eval 0.33] [%clk 0:04:28] } 24... Ndf4 { [%eval 0.24] [%clk 0:04:07] } 25. b3 { [%eval 0.0] [%clk 0:03:56] } 25... h5 { [%eval 0.0] [%clk 0:03:22] } 26. gxh6 { [%eval 0.0] [%clk 0:02:51] } 26... f5 { [%eval 0.0] [%clk 0:03:25] } 27. Bf3 { [%eval 0.0] [%clk 0:02:55] } 27... Nxh3+ { [%eval 0.0] [%clk 0:03:28] } 28. Kg2 { [%eval 0.0] [%clk 0:02:00] } 28... Nhf4+ { [%eval 0.0] [%clk 0:03:03] } 29. Kg3 { [%eval -0.1] [%clk 0:01:55] } 29... g5 { [%eval -0.05] [%clk 0:03:06] } 30. Re1?! { [%eval -0.75] } { Inaccuracy. Rh1 was best. } { [%clk 0:01:42] } 30... Kf7 { [%eval -0.52] [%clk 0:03:00] } 31. c4 { [%eval -0.54] [%clk 0:01:46] } 31... Nxd4?! { [%eval 0.0] } { Inaccuracy. d5 was best. } { [%clk 0:01:33] } 32. Bxf4 { [%eval 0.0] [%clk 0:01:45] } 32... gxf4+ { [%eval 0.0] [%clk 0:01:37] } 33. Kxf4 { [%eval 0.0] [%clk 0:01:49] } 33... Kf6 { [%eval 0.0] [%clk 0:01:06] } 34. Rh1 { [%eval 0.0] [%clk 0:01:14] } 34... Ne6+ { [%eval 0.0] [%clk 0:01:03] } 35. Ke3 { [%eval 0.0] [%clk 0:01:12] } 35... Rh8 { [%eval 0.0] [%clk 0:01:05] } 36. Be2 { [%eval 0.0] [%clk 0:00:54] } 36... d5?! { [%eval 0.67] } { Inaccuracy. Kg6 was best. } { [%clk 0:00:45] } 37. cxd5 { [%eval 0.7] [%clk 0:00:53] } 37... cxd5 { [%eval 0.65] [%clk 0:00:50] } 38. Bd3 { [%eval 0.6] [%clk 0:00:53] } 38... d4+ { [%eval 0.7] [%clk 0:00:44] } 39. Kd2?! { [%eval 0.0] } { Inaccuracy. Kf3 was best. } { [%clk 0:00:54] } 39... Ng5?! { [%eval 0.54] } { Inaccuracy. Kg6 was best. } { [%clk 0:00:24] } 40. Kc2?! { [%eval 0.0] } { Inaccuracy. Ke2 was best. } { [%clk 0:00:36] } 40... Nf7?! { [%eval 0.7] } { Inaccuracy. Kg6 was best. } { [%clk 0:00:17] } 41. Rh5 { [%eval 0.23] [%clk 0:00:35] } 41... Nxh6?! { [%eval 1.18] } { Inaccuracy. Rxh6 was best. } { [%clk 0:00:15] } 42. Bxf5 { [%eval 1.01] [%clk 0:00:26] } 42... b6 { [%eval 1.32] [%clk 0:00:17] } 43. Kd2? { [%eval 0.03] } { Mistake. Be4 was best. } { [%clk 0:00:23] } 43... Nf7 { [%eval 0.02] [%clk 0:00:14] } 44. Rxh8 { [%eval 0.14] [%clk 0:00:22] } 44... Nxh8 { [%eval 0.19] [%clk 0:00:19] } 45. Bg4 { [%eval 0.0] [%clk 0:00:22] } 45... Ke5?? { [%eval 3.64] } { Blunder. Ng6 was best. } { [%clk 0:00:20] } 46. Bh5 { [%eval 3.03] [%clk 0:00:24] } 46... Kf5? { [%eval 5.44] } { Mistake. Ke4 was best. } { [%clk 0:00:10] } 47. Kd3 { [%eval 5.07] [%clk 0:00:27] } 47... Ke5 { [%eval 5.71] [%clk 0:00:14] } 48. b4 { [%eval 4.81] [%clk 0:00:25] } 48... a5?! { [%eval 8.09] } { Inaccuracy. Kd5 was best. } { [%clk 0:00:13] } 49. a3 { [%eval 7.03] [%clk 0:00:23] } 49... Kd5 { [%eval 7.68] [%clk 0:00:12] } 50. f4 { [%eval 7.1] [%clk 0:00:25] } 50... axb4 { [%eval 61.62] [%clk 0:00:10] } 51. axb4 { [%eval 61.62] [%clk 0:00:30] } 51... Ke6 { [%eval 61.62] [%clk 0:00:09] } 52. Kxd4 { [%eval 61.11] [%clk 0:00:29] } 52... Kf5 { [%eval 12.5] [%clk 0:00:13] } 53. Ke3 { [%eval 6.61] [%clk 0:00:34] } 53... Kf6 { [%eval 61.62] [%clk 0:00:11] } 54. b5 { [%eval 61.05] [%clk 0:00:28] } 1-0