Event: World Junior Championship
Site: chess24.com
Date: 2022-10-21
White: Winkelman, Albert
WhiteTitle: FM
WhiteElo: 2229
Black: van der Merwe, Alexander
BlackElo: 1746
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Adams Attack
Variant: Standard

1. e4 { [%eval 0.0] [%clk 1:30:53] } 1... c5 { [%eval 0.32] [%clk 1:30:53] } 2. Nf3 { [%eval 0.0] [%clk 1:31:15] } 2... d6 { [%eval 0.0] [%clk 1:31:10] } 3. d4 { [%eval 0.25] [%clk 1:31:27] } 3... cxd4 { [%eval 0.13] [%clk 1:30:46] } 4. Nxd4 { [%eval 0.27] [%clk 1:31:46] } 4... Nf6 { [%eval 0.31] [%clk 1:31:07] } 5. Nc3 { [%eval 0.18] [%clk 1:32:06] } 5... a6 { [%eval 0.39] [%clk 1:31:24] } 6. h3 { [%eval 0.1] [%clk 1:32:21] } 6... e5 { [%eval 0.05] [%clk 1:31:47] } 7. Nb3 { [%eval 0.47] [%clk 1:32:41] } 7... Be7 { [%eval 0.0] [%clk 1:27:31] } 8. g4 { [%eval 0.38] [%clk 1:31:20] } 8... h6 { [%eval 0.57] [%clk 1:27:01] } 9. Be3 { [%eval 0.52] [%clk 1:26:57] } 9... Nbd7 { [%eval 0.67] [%clk 1:24:00] } 10. Qf3 { [%eval 0.24] [%clk 1:22:05] } 10... b5 { [%eval 0.3] [%clk 1:18:28] } 11. a3?! { [%eval -0.46] } { Inaccuracy. O-O-O was best. } { [%clk 1:19:21] } 11... Nb6 { [%eval -0.32] [%clk 1:08:25] } 12. O-O-O { [%eval -0.04] [%clk 1:17:48] } 12... Be6 { [%eval 0.47] [%clk 1:02:47] } 13. Nc5 { [%eval 0.45] [%clk 1:16:33] } 13... Bc4?! { [%eval 1.1] } { Inaccuracy. Rc8 was best. } { [%clk 0:55:16] } 14. Nd3 { [%eval 0.84] [%clk 1:16:25] } 14... Qc7 { [%eval 0.82] [%clk 0:52:54] } 15. h4 { [%eval 0.91] [%clk 1:12:39] } 15... h5? { [%eval 2.1] } { Mistake. a5 was best. } { [%clk 0:42:25] } 16. g5 { [%eval 2.06] [%clk 1:07:42] } 16... Nfd7 { [%eval 2.16] [%clk 0:34:37] } 17. Nb4 { [%eval 2.12] [%clk 1:06:57] } 17... Be6?! { [%eval 3.12] } { Inaccuracy. Qb7 was best. } { [%clk 0:23:40] } 18. g6 { [%eval 3.28] [%clk 0:58:40] } 18... f6? { [%eval 6.07] } { Mistake. O-O was best. } { [%clk 0:19:52] } 19. Bh3 { [%eval 5.5] [%clk 0:56:31] } 19... Bxh3 { [%eval 5.8] [%clk 0:16:13] } 20. Qxh3 { [%eval 5.49] [%clk 0:56:26] } 20... Nf8 { [%eval 5.83] [%clk 0:15:49] } 21. Bxb6 { [%eval 5.45] [%clk 0:44:13] } 21... Qxb6 { [%eval 5.69] [%clk 0:16:18] } 22. Nbd5 { [%eval 5.96] [%clk 0:43:40] } 22... Qb7 { [%eval 5.73] [%clk 0:13:50] } 23. Ne3 { [%eval 5.72] [%clk 0:44:03] } 23... Nxg6 { [%eval 5.87] [%clk 0:09:37] } 24. Qg3 { [%eval 5.65] [%clk 0:44:01] } 24... Nf4 { [%eval 5.84] [%clk 0:08:23] } 25. Qxg7 { [%eval 5.71] [%clk 0:43:50] } 25... Rf8 { [%eval 6.55] [%clk 0:06:22] } 26. Ncd5 { [%eval 6.57] [%clk 0:42:08] } 26... Rf7 { [%eval 6.68] [%clk 0:04:00] } 27. Qh8+ { [%eval 6.45] [%clk 0:34:31] } 27... Kd7 { [%eval 7.85] [%clk 0:01:13] } 28. Qxa8 { [%eval 7.82] [%clk 0:34:56] } 28... Qxa8 { [%eval 7.77] [%clk 0:01:31] } 29. Nb6+ { [%eval 7.91] [%clk 0:35:17] } 29... Kc7 { [%eval 8.17] [%clk 0:01:55] } 30. Nxa8+ { [%eval 8.16] [%clk 0:35:40] } 30... Kb7 { [%eval 8.06] [%clk 0:02:19] } 31. Nf5 { [%eval 8.11] [%clk 0:35:30] } 31... d5 { [%eval 8.3] [%clk 0:01:56] } 32. exd5 { [%eval 8.53] [%clk 0:35:45] } 32... Kxa8 { [%eval 8.54] [%clk 0:02:09] } 33. d6 { [%eval 8.41] [%clk 0:33:34] } 33... Bd8 { [%eval 8.52] [%clk 0:02:34] } 34. Kb1 { [%eval 8.0] [%clk 0:33:32] } 34... Kb7 { [%eval 8.14] [%clk 0:02:26] } 35. Rhg1 { [%eval 8.1] [%clk 0:33:40] } 35... Ne6 { [%eval 8.39] [%clk 0:02:38] } 36. Rg8 { [%eval 8.18] [%clk 0:31:59] } 36... Kc6 { [%eval 8.62] [%clk 0:02:29] } 37. Re8 { [%eval 8.44] [%clk 0:26:48] } 37... Kd7 { [%eval 8.31] [%clk 0:02:10] } 38. Re7+ { [%eval 7.31] [%clk 0:27:07] } 38... Bxe7 { [%eval 7.3] [%clk 0:02:16] } 39. dxe7+ { [%eval 7.25] [%clk 0:27:32] } 39... Ke8 { [%eval 7.74] [%clk 0:02:35] } 40. Rd6 { [%eval 7.18] [%clk 0:27:56] } 40... Rxe7 { [%eval 7.55] [%clk 0:02:07] } 41. Nxe7 { [%eval 7.46] [%clk 0:28:20] } 41... Kxe7 { [%eval 7.32] [%clk 0:02:31] } 42. Rxa6 { [%eval 7.23] [%clk 0:28:39] } 42... Nc5 { [%eval 8.41] [%clk 0:01:58] } 43. Rb6 { [%eval 8.47] [%clk 0:22:50] } 43... Ne4 { [%eval 8.69] [%clk 0:02:20] } 44. Rxb5 { [%eval 8.7] [%clk 0:23:12] } 44... Nxf2 { [%eval 8.35] [%clk 0:02:47] } 45. a4 { [%eval 8.36] [%clk 0:23:35] } 45... e4 { [%eval 9.47] [%clk 0:02:20] } 46. a5 { [%eval 9.25] [%clk 0:23:47] } 46... e3 { [%eval 9.47] [%clk 0:02:34] } 47. Rb3 { [%eval 8.9] [%clk 0:22:55] } 47... Ng4 { [%eval 9.0] [%clk 0:01:48] } 48. Kc1 { [%eval 9.03] [%clk 0:23:13] } 48... f5 { [%eval 10.97] [%clk 0:01:35] } 49. a6 { [%eval 11.64] [%clk 0:23:32] } 49... f4 { [%eval 12.28] [%clk 0:30:26] } 50. a7 { [%clk 0:53:49] } 1-0