Event: Round 2: Carlos Nava Pereda - William Olsson
Date: 2023-10-30
White: Carlos Nava Pereda
WhiteTitle: FM
WhiteElo: 2182
Black: William Olsson
BlackTitle: FM
BlackElo: 2378
Result: 0-1
ECO: A07
Opening: King's Indian Attack: Yugoslav Variation
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:30:57] } 1... d5 { [%eval 0.34] [%clk 1:30:27] } 2. g3 { [%eval 0.12] [%clk 1:30:47] } 2... Nf6 { [%eval 0.33] [%clk 1:30:51] } 3. Bg2 { [%eval 0.32] [%clk 1:30:59] } 3... c6 { [%eval 0.33] [%clk 1:31:00] } 4. O-O { [%eval 0.29] [%clk 1:30:25] } 4... Bg4 { [%eval 0.47] [%clk 1:31:25] } 5. c4 { [%eval 0.13] [%clk 1:28:30] } 5... Nbd7 { [%eval 0.48] [%clk 1:30:41] } 6. cxd5 { [%eval 0.48] [%clk 1:24:58] } 6... cxd5 { [%eval 0.58] [%clk 1:31:00] } 7. d4 { [%eval 0.26] [%clk 1:25:21] } 7... e6 { [%eval 0.24] [%clk 1:30:22] } 8. Nc3 { [%eval 0.26] [%clk 1:25:27] } 8... Bd6 { [%eval 0.45] [%clk 1:28:25] } 9. Qb3 { [%eval 0.51] [%clk 1:19:36] } 9... Nb6 { [%eval 0.77] [%clk 1:23:37] } 10. Bd2 { [%eval 0.25] [%clk 1:06:39] } 10... Nc4 { [%eval 0.47] [%clk 1:15:11] } 11. Rfd1?! { [%eval -0.26] } { Inaccuracy. Bg5 was best. } { [%clk 1:01:02] } 11... a6 { [%eval 0.14] [%clk 1:10:38] } 12. a4?! { [%eval -0.73] } { Inaccuracy. Bg5 was best. } { [%clk 0:51:56] } 12... O-O { [%eval -0.7] [%clk 1:09:43] } 13. Ne1 { [%eval -1.12] [%clk 0:44:07] } 13... Na5 { [%eval -0.91] [%clk 1:08:53] } 14. Qa2 { [%eval -0.96] [%clk 0:42:22] } 14... Qb6 { [%eval -0.69] [%clk 1:08:41] } 15. Bg5 { [%eval -0.94] [%clk 0:26:28] } 15... Nd7?! { [%eval -0.35] } { Inaccuracy. Be7 was best. } { [%clk 1:04:43] } 16. Bf3 { [%eval -0.61] [%clk 0:25:17] } 16... Bf5?! { [%eval 0.13] } { Inaccuracy. Bxf3 was best. } { [%clk 0:57:49] } 17. e4 { [%eval 0.12] [%clk 0:24:47] } 17... dxe4 { [%eval 0.1] [%clk 0:58:17] } 18. Nxe4 { [%eval 0.2] [%clk 0:25:02] } 18... Bxe4 { [%eval 0.24] [%clk 0:57:37] } 19. Bxe4 { [%eval 0.19] [%clk 0:25:25] } 19... h6 { [%eval 0.08] [%clk 0:58:04] } 20. Be3 { [%eval 0.15] [%clk 0:25:30] } 20... Nf6 { [%eval 0.12] [%clk 0:58:12] } 21. Bf3 { [%eval 0.14] [%clk 0:23:41] } 21... Qd8 { [%eval 0.57] [%clk 0:54:46] } 22. Nd3 { [%eval 0.28] [%clk 0:23:52] } 22... Qe7 { [%eval 0.28] [%clk 0:52:01] } 23. Rac1 { [%eval 0.29] } 23... Rac8 { [%eval 0.28] [%clk 0:51:17] } 24. Nc5 { [%eval 0.17] [%clk 0:20:33] } 24... Rfd8 { [%eval 0.14] [%clk 0:43:25] } 25. b4 { [%eval 0.12] [%clk 0:20:09] } 25... Nc6 { [%eval 0.09] [%clk 0:43:45] } 26. Qb3 { [%eval 0.0] [%clk 0:17:17] } 26... Nd5 { [%eval 0.0] [%clk 0:41:49] } 27. Bxd5 { [%eval -0.04] [%clk 0:16:05] } 27... exd5 { [%eval 0.0] [%clk 0:42:14] } 28. b5 { [%eval -0.18] [%clk 0:15:51] } 28... Nxd4 { [%eval -0.12] [%clk 0:36:02] } 29. Bxd4 { [%eval -0.11] [%clk 0:09:45] } 29... Bxc5 { [%eval -0.17] [%clk 0:36:25] } 30. Bxc5 { [%eval -0.22] [%clk 0:06:43] } 30... Rxc5 { [%eval -0.21] [%clk 0:36:50] } 31. bxa6?! { [%eval -0.87] } { Inaccuracy. Qb4 was best. } { [%clk 0:06:26] } 31... Rxc1 { [%eval -0.76] [%clk 0:36:55] } 32. Rxc1 { [%eval -0.81] [%clk 0:06:40] } 32... bxa6 { [%eval -0.96] [%clk 0:37:22] } 33. Qb6 { [%eval -0.92] [%clk 0:06:30] } 33... d4 { [%eval -0.72] [%clk 0:34:31] } 34. Qc7?? { [%eval -2.55] } { Blunder. Qxa6 was best. } { [%clk 0:02:55] } 34... Rd7? { [%eval -1.08] } { Mistake. Qxc7 was best. } { [%clk 0:33:16] } 35. Qb8+? { [%eval -2.29] } { Mistake. Qc8+ was best. } { [%clk 0:02:25] } 35... Kh7 { [%eval -2.25] [%clk 0:33:40] } 36. Qb1+?! { [%eval -3.4] } { Inaccuracy. Qc8 was best. } { [%clk 0:02:10] } 36... d3 { [%eval -3.49] [%clk 0:34:00] } 37. Re1 { [%eval -3.46] [%clk 0:02:09] } 37... Qc5 { [%eval -3.62] [%clk 0:32:54] } 38. Rc1 { [%eval -3.26] [%clk 0:02:11] } 38... Qd4 { [%eval -2.98] [%clk 0:30:42] } 39. Rd1 { [%eval -3.03] [%clk 0:02:35] } 39... g6 { [%eval -3.38] [%clk 0:30:46] } 40. Rd2 { [%eval -2.77] [%clk 0:02:54] } 40... Qe4 { [%eval -2.45] [%clk 0:30:15] } 41. Qd1 { [%eval -2.21] [%clk 0:02:59] } 41... a5 { [%eval -2.17] [%clk 0:29:40] } 42. h3 { [%eval -2.38] [%clk 0:03:20] } 42... h5 { [%eval -1.79] [%clk 0:28:50] } 43. Kh2? { [%eval -3.21] } { Mistake. h4 was best. } { [%clk 0:03:29] } 43... Rd4?! { [%eval -2.01] } { Inaccuracy. h4 was best. } { [%clk 0:29:12] } 44. Qb3 { [%eval -2.43] [%clk 0:03:41] } 44... Rd7 { [%eval -2.73] [%clk 0:27:31] } 45. Qb5 { [%eval -2.37] [%clk 0:02:56] } 45... Rd5 { [%eval -2.47] [%clk 0:27:52] } 46. Qb7 { [%eval -2.28] [%clk 0:03:09] } 46... Qf3 { [%eval -2.06] [%clk 0:25:17] } 47. Qe7?! { [%eval -2.79] } { Inaccuracy. h4 was best. } { [%clk 0:02:53] } 47... Rd4 { [%eval -2.78] [%clk 0:24:47] } 48. Qe3 { [%eval -3.24] [%clk 0:03:12] } 48... Qd5 { [%eval -2.88] [%clk 0:25:02] } 49. h4 { [%eval -2.84] [%clk 0:01:10] } 49... Kg7 { [%eval -3.32] [%clk 0:25:19] } 50. f3 { [%eval -3.53] [%clk 0:01:33] } 50... Kh7 { [%eval -3.26] [%clk 0:25:21] } 51. Kg2?! { [%eval -4.32] } { Inaccuracy. f4 was best. } { [%clk 0:01:49] } 51... Qd7 { [%eval -4.38] [%clk 0:25:46] } 52. Kh2 { [%eval -4.75] [%clk 0:02:09] } 52... Qxa4 { [%eval -4.69] [%clk 0:26:10] } 0-1