Event: World Cup 2021
Site: Sochi
Date: 2021-07-13
White: Sarana Alexey (RUS)
WhiteElo: 2640
Black: Ajibola Olanrewaju (NGR)
BlackElo: 2302
Result: 1-0
ECO: C42
Opening: Petrov's Defense: Karklins-Martinovsky Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:57] } 1... e5 { [%eval 0.12] [%clk 1:30:54] } 2. Nf3 { [%eval 0.18] [%clk 1:31:23] } 2... Nf6 { [%eval 0.21] [%clk 1:31:18] } 3. Nxe5 { [%eval 0.31] [%clk 1:31:46] } 3... d6 { [%eval 0.44] [%clk 1:31:40] } 4. Nd3 { [%eval 0.1] [%clk 1:32:07] } 4... Nxe4 { [%eval 0.18] [%clk 1:31:53] } 5. Qe2 { [%eval 0.16] [%clk 1:32:34] } 5... Qe7 { [%eval 0.25] [%clk 1:32:03] } 6. Nf4 { [%eval 0.05] [%clk 1:33:00] } 6... Nf6 { [%eval 0.4] [%clk 1:32:04] } 7. d4 { [%eval 0.05] [%clk 1:33:24] } 7... Qxe2+ { [%eval 0.24] [%clk 1:31:26] } 8. Bxe2 { [%eval 0.26] [%clk 1:33:50] } 8... Bf5 { [%eval 0.32] [%clk 1:25:10] } 9. c3 { [%eval 0.32] [%clk 1:34:08] } 9... Be7 { [%eval 0.36] [%clk 1:21:14] } 10. Nd2 { [%eval 0.55] [%clk 1:34:30] } 10... h6 { [%eval 0.43] [%clk 1:18:05] } 11. Nf1 { [%eval 0.69] [%clk 1:34:32] } 11... c6 { [%eval 0.66] [%clk 1:17:39] } 12. h4 { [%eval 0.63] [%clk 1:32:40] } 12... Nbd7 { [%eval 0.83] [%clk 1:11:48] } 13. f3 { [%eval 0.66] [%clk 1:31:51] } 13... Nb6 { [%eval 0.78] [%clk 1:12:07] } 14. g4 { [%eval 0.9] [%clk 1:32:06] } 14... Bd7 { [%eval 1.09] [%clk 1:12:30] } 15. Ne3 { [%eval 0.76] [%clk 1:31:31] } 15... O-O-O { [%eval 1.32] [%clk 1:11:54] } 16. Bd3 { [%eval 1.05] [%clk 1:29:57] } 16... Rde8 { [%eval 1.21] [%clk 1:11:42] } 17. Kf2 { [%eval 1.1] [%clk 1:30:06] } 17... d5?! { [%eval 1.75] } { Inaccuracy. g5 was best. } { [%clk 1:10:20] } 18. a4 { [%eval 1.71] [%clk 1:27:41] } 18... Bd6 { [%eval 1.56] [%clk 1:05:06] } 19. Nf5 { [%eval 1.28] [%clk 1:27:22] } 19... Bxf5 { [%eval 1.35] [%clk 1:05:24] } 20. Bxf5+ { [%eval 1.25] [%clk 1:27:50] } 20... Kc7 { [%eval 1.44] [%clk 1:05:40] } 21. Ng2 { [%eval 1.12] [%clk 1:26:29] } 21... a5 { [%eval 1.07] [%clk 1:02:40] } 22. Bd3 { [%eval 1.16] [%clk 1:26:34] } 22... Re6?! { [%eval 1.89] } { Inaccuracy. g6 was best. } { [%clk 1:00:34] } 23. h5 { [%eval 1.83] [%clk 1:26:05] } 23... Rhe8 { [%eval 2.12] [%clk 0:53:35] } 24. Nh4 { [%eval 2.23] [%clk 1:25:58] } 24... c5 { [%eval 2.35] [%clk 0:52:50] } 25. Nf5?! { [%eval 1.29] } { Inaccuracy. dxc5 was best. } { [%clk 1:25:28] } 25... c4 { [%eval 1.6] [%clk 0:52:00] } 26. Bf1 { [%eval 1.67] [%clk 1:25:25] } 26... Bf8 { [%eval 1.35] [%clk 0:51:44] } 27. Bf4+ { [%eval 1.6] [%clk 1:25:50] } 27... Kc6?! { [%eval 2.73] } { Inaccuracy. Kc8 was best. } { [%clk 0:51:42] } 28. b3 { [%eval 2.51] [%clk 1:25:31] } 28... Ng8 { [%eval 2.7] [%clk 0:46:44] } 29. bxc4 { [%eval 2.96] [%clk 1:17:03] } 29... dxc4 { [%eval 2.38] [%clk 0:45:29] } 30. Ne3? { [%eval 0.87] } { Mistake. Bd2 was best. } { [%clk 1:17:03] } 30... Bd6 { [%eval 0.95] [%clk 0:45:54] } 31. Bxd6 { [%eval 1.55] [%clk 1:17:10] } 31... Rxe3 { [%eval 0.96] [%clk 0:45:54] } 32. Be5 { [%eval 1.08] [%clk 1:17:36] } 32... R8xe5 { [%eval 0.88] [%clk 0:43:12] } 33. dxe5 { [%eval 1.13] [%clk 1:17:12] } 33... Rxc3 { [%eval 1.06] [%clk 0:43:33] } 34. Bg2 { [%eval 0.85] [%clk 1:17:28] } 34... Ne7 { [%eval 0.7] [%clk 0:40:15] } 35. f4+ { [%eval 1.03] [%clk 1:17:08] } 35... Kc5 { [%eval 1.3] [%clk 0:37:45] } 36. Rab1? { [%eval 0.11] } { Mistake. Rhb1 was best. } { [%clk 1:09:05] } 36... Rb3 { [%eval 0.0] [%clk 0:33:55] } 37. Rhc1 { [%eval 0.0] [%clk 1:07:40] } 37... Rb4 { [%eval 0.0] [%clk 0:33:28] } 38. f5 { [%eval -0.38] [%clk 1:04:36] } 38... Nbd5? { [%eval 0.85] } { Mistake. Nxa4 was best. } { [%clk 0:20:11] } 39. Be4 { [%eval 0.61] [%clk 0:51:34] } 39... f6?? { [%eval 2.35] } { Blunder. Kd4 was best. } { [%clk 0:18:39] } 40. e6 { [%eval 2.34] [%clk 0:51:21] } 40... b6?! { [%eval 3.48] } { Inaccuracy. c3 was best. } { [%clk 0:18:54] } 41. Bxd5 { [%eval 3.33] [%clk 0:47:10] } 41... Nxd5 { [%eval 4.12] [%clk 0:18:10] } 42. Rd1 { [%eval 4.77] [%clk 0:46:36] } 42... c3?! { [%eval 6.79] } { Inaccuracy. Ne7 was best. } { [%clk 0:13:17] } 43. Rxd5+ { [%eval 6.83] [%clk 0:45:23] } 43... Kxd5 { [%eval 6.64] [%clk 0:13:29] } 44. Rd1+ { [%eval 6.78] [%clk 0:45:50] } 44... Kc6 { [%eval 7.25] [%clk 0:12:47] } 45. Re1 { [%eval 7.79] [%clk 0:46:08] } 45... Rxa4 { [%eval 8.28] [%clk 0:06:35] } 46. e7 { [%eval 8.17] [%clk 0:46:33] } 46... Rxg4 { [%eval 20.57] [%clk 0:06:37] } 47. e8=Q+ { [%eval 9.36] [%clk 0:47:00] } 47... Kc5 { [%eval 21.86] [%clk 0:05:54] } 48. Qc8+ { [%eval 11.33] [%clk 0:47:27] } 48... Kb5 { [%eval 15.0] [%clk 0:05:32] } 49. Qxc3 { [%eval #10] [%clk 0:47:53] } 49... Rf4+ { [%eval 71.59] [%clk 0:05:42] } 50. Ke3 { [%eval #9] [%clk 0:48:10] } 50... Rc4 { [%eval #9] [%clk 0:05:43] } 51. Qb3+ { [%eval #8] [%clk 0:48:35] } 51... Kc5 { [%eval #6] [%clk 0:05:49] } 52. Rb1 { [%eval #5] [%clk 0:49:01] } 52... Rb4 { [%eval #3] [%clk 0:05:46] } 53. Rc1+ { [%eval #2] [%clk 0:49:27] } 53... Kb5 { [%eval #2] [%clk 0:06:01] } 54. Qd5+ { [%eval #5] [%clk 0:49:52] } 54... Ka6 { [%eval #5] [%clk 0:06:17] } 55. Rc8 { [%eval #4] [%clk 0:50:18] } 1-0