Event: World Junior Championship
Site: chess24.com
Date: 2022-10-13
White: van der Merwe, Alexander
WhiteElo: 1746
Black: Oye-Stromberg, Alexander
BlackTitle: FM
BlackElo: 2233
Result: 0-1
ECO: B57
Opening: Sicilian Defense: Classical Variation, Anti-Sozin Variation
Variant: Standard

1. e4 { [%eval 0.0] [%clk 1:30:54] } 1... c5 { [%eval 0.32] [%clk 1:30:24] } 2. Nf3 { [%eval 0.0] [%clk 1:31:18] } 2... d6 { [%eval 0.0] [%clk 1:30:40] } 3. d4 { [%eval 0.25] [%clk 1:31:39] } 3... cxd4 { [%eval 0.13] [%clk 1:31:04] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:03] } 4... Nf6 { [%eval 0.31] [%clk 1:31:14] } 5. Nc3 { [%eval 0.18] [%clk 1:32:24] } 5... Nc6 { [%eval 0.47] [%clk 1:31:06] } 6. Bc4 { [%eval 0.25] [%clk 1:29:14] } 6... Qb6 { [%eval 0.38] [%clk 1:28:07] } 7. Nb3 { [%eval 0.0] [%clk 1:22:44] } 7... e6 { [%eval 0.19] [%clk 1:27:55] } 8. Be3 { [%eval 0.03] [%clk 1:22:26] } 8... Qc7 { [%eval 0.32] [%clk 1:26:21] } 9. Nb5 { [%eval 0.0] [%clk 1:16:02] } 9... Qb8 { [%eval 0.11] [%clk 1:24:35] } 10. Nc3 { [%eval 0.02] [%clk 1:14:11] } 10... Qc7 { [%eval 0.35] [%clk 1:17:17] } 11. Nb5 { [%eval 0.0] [%clk 1:14:10] } 11... Qb8 { [%eval 0.15] [%clk 1:17:43] } 12. Nc3 { [%eval 0.0] [%clk 1:09:45] } 12... Bd7?! { [%eval 0.71] } { Inaccuracy. Qc7 was best. } { [%clk 1:18:05] } 13. O-O { [%eval 0.42] [%clk 1:04:32] } 13... Ne5 { [%eval 0.47] [%clk 1:12:19] } 14. Be2 { [%eval 0.37] [%clk 1:03:53] } 14... b5 { [%eval 0.54] [%clk 1:11:43] } 15. f4 { [%eval 0.63] [%clk 0:45:39] } 15... Nc4 { [%eval 0.52] [%clk 1:09:51] } 16. Bc1?! { [%eval -0.08] } { Inaccuracy. Bxc4 was best. } { [%clk 0:44:36] } 16... Qc7?! { [%eval 0.53] } { Inaccuracy. Be7 was best. } { [%clk 0:59:15] } 17. Bf3? { [%eval -0.89] } { Mistake. a4 was best. } { [%clk 0:39:34] } 17... Rc8 { [%eval -0.52] [%clk 0:58:10] } 18. a4?! { [%eval -1.18] } { Inaccuracy. a3 was best. } { [%clk 0:34:27] } 18... b4 { [%eval -1.13] [%clk 0:54:17] } 19. Nb5 { [%eval -1.32] [%clk 0:33:18] } 19... Qb6+ { [%eval -0.85] [%clk 0:52:13] } 20. Qd4 { [%eval -0.96] [%clk 0:32:23] } 20... Qxd4+ { [%eval -0.75] [%clk 0:48:02] } 21. N5xd4 { [%eval -0.8] [%clk 0:32:51] } 21... Be7 { [%eval -0.73] [%clk 0:48:05] } 22. Re1 { [%eval -0.54] [%clk 0:27:29] } 22... O-O { [%eval -0.75] [%clk 0:42:12] } 23. Bd1?! { [%eval -1.75] } { Inaccuracy. e5 was best. } { [%clk 0:24:43] } 23... d5?! { [%eval -0.96] } { Inaccuracy. a5 was best. } { [%clk 0:33:34] } 24. e5 { [%eval -1.04] [%clk 0:23:58] } 24... Ne4 { [%eval -0.9] [%clk 0:33:31] } 25. Bf3 { [%eval -1.07] [%clk 0:22:54] } 25... Nc5 { [%eval -0.96] [%clk 0:32:39] } 26. a5 { [%eval -0.93] [%clk 0:19:34] } 26... f5? { [%eval 0.18] } { Mistake. h6 was best. } { [%clk 0:24:26] } 27. g4?! { [%eval -0.61] } { Inaccuracy. exf6 was best. } { [%clk 0:12:46] } 27... g6 { [%eval -0.65] [%clk 0:24:23] } 28. Re2 { [%eval -0.82] [%clk 0:12:28] } 28... Kh8 { [%eval -0.52] [%clk 0:20:12] } 29. Kh1 { [%eval -0.37] [%clk 0:12:40] } 29... Ne4 { [%eval -0.14] [%clk 0:15:46] } 30. g5?! { [%eval -0.99] } { Inaccuracy. Rg2 was best. } { [%clk 0:11:31] } 30... Kg7?! { [%eval -0.38] } { Inaccuracy. h6 was best. } { [%clk 0:15:37] } 31. Ra2? { [%eval -2.0] } { Mistake. Kg1 was best. } { [%clk 0:06:16] } 31... Kf7?! { [%eval -0.93] } { Inaccuracy. h6 was best. } { [%clk 0:12:31] } 32. Bxe4? { [%eval -2.53] } { Mistake. Rg2 was best. } { [%clk 0:04:10] } 32... dxe4 { [%eval -2.33] [%clk 0:12:49] } 33. Bd2?! { [%eval -3.64] } { Inaccuracy. c3 was best. } { [%clk 0:02:26] } 33... Rfd8 { [%eval -3.04] [%clk 0:12:08] } 34. Be1 { [%eval -3.13] [%clk 0:02:14] } 34... Bc6 { [%eval -2.75] [%clk 0:06:26] } 35. c3? { [%eval -4.92] } { Mistake. Nxc6 was best. } { [%clk 0:02:21] } 35... bxc3? { [%eval -2.68] } { Mistake. Bd5 was best. } { [%clk 0:05:54] } 36. Bxc3? { [%eval -4.82] } { Mistake. Nxc6 was best. } { [%clk 0:03:00] } 36... Bd5 { [%eval -4.78] [%clk 0:06:30] } 37. Ra1 { [%eval -5.4] [%clk 0:02:49] } 37... h6 { [%eval -5.02] [%clk 0:05:38] } 38. h4 { [%eval -5.92] [%clk 0:00:53] } 38... hxg5 { [%eval -5.62] [%clk 0:05:56] } 39. hxg5 { [%eval -5.54] [%clk 0:01:04] } 39... Rh8+ { [%eval -5.6] [%clk 0:06:09] } 40. Rh2 { [%eval -5.98] [%clk 0:01:12] } 40... e3+ { [%eval -5.93] [%clk 0:03:23] } 41. Kg1 { [%eval -6.18] [%clk 0:01:38] } 41... Rb8? { [%eval -3.64] } { Mistake. Nxe5 was best. } { [%clk 0:18:55] } 42. Re1? { [%eval -6.45] } { Mistake. Rf1 was best. } { [%clk 0:17:27] } 42... Rxh2 { [%eval -5.82] [%clk 0:10:45] } 43. Kxh2 { [%eval -6.33] [%clk 0:17:56] } 43... Bd8?? { [%eval -1.33] } { Blunder. Bxg5 was best. } { [%clk 0:03:09] } 44. Kg3 { [%eval -1.23] [%clk 0:15:05] } 44... Bc7? { [%eval 0.0] } { Mistake. Be7 was best. } { [%clk 0:03:11] } 45. Nc5 { [%eval 0.0] [%clk 0:10:54] } 45... Rc8 { [%eval 0.06] [%clk 0:03:18] } 46. Nb5?! { [%eval -0.89] } { Inaccuracy. Nd7 was best. } { [%clk 0:08:17] } 46... Bxa5 { [%eval -0.57] [%clk 0:02:33] } 47. b4 { [%eval -0.8] [%clk 0:03:49] } 47... a6 { [%eval -0.76] [%clk 0:00:42] } 48. Nxa6 { [%eval -0.77] [%clk 0:01:59] } 48... Bb6 { [%eval -0.73] [%clk 0:01:10] } 49. Bd4?! { [%eval -1.87] } { Inaccuracy. Rc1 was best. } { [%clk 0:01:43] } 49... Bxd4?? { [%eval 0.0] } { Blunder. Bc6 was best. } { [%clk 0:01:03] } 50. Nxd4 { [%eval 0.0] [%clk 0:02:12] } 50... Nd2 { [%eval 0.0] [%clk 0:00:43] } 51. Nc5 { [%eval 0.0] [%clk 0:01:36] } 51... Rb8 { [%eval 0.0] [%clk 0:01:11] } 52. Nc2 { [%eval 0.0] [%clk 0:01:40] } 52... Ke7 { [%eval 0.0] [%clk 0:00:41] } 53. Re2?? { [%eval #-2] } { Checkmate is now unavoidable. Ra1 was best. } { [%clk 0:01:47] } 53... Nf1+ { [%eval #-1] [%clk 0:00:52] } 0-1