Event: World Youth Cup 2021 O10-G18 - Open 10
Date: 2021-08-01
White: Bocos Delgado, Jon
Black: Alamsyah, Shawn
Result: 1-0
ECO: D10
Opening: Slav Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:10:03] } 1... d5 { [%eval 0.23] [%clk 0:10:01] } 2. c4 { [%eval 0.0] [%clk 0:10:04] } 2... c6 { [%eval 0.24] [%clk 0:10:03] } 3. Nc3 { [%eval 0.16] [%clk 0:10:05] } 3... Nf6 { [%eval 0.13] [%clk 0:10:03] } 4. e3 { [%eval 0.0] [%clk 0:10:06] } 4... Bf5 { [%eval 0.25] [%clk 0:10:01] } 5. Nf3 { [%eval 0.14] [%clk 0:10:06] } 5... e6 { [%eval 0.25] [%clk 0:09:59] } 6. Qb3 { [%eval 0.0] [%clk 0:10:07] } 6... Qb6 { [%eval 0.0] [%clk 0:09:32] } 7. Qxb6?! { [%eval -0.51] } { Inaccuracy. Nh4 was best. } { [%clk 0:10:07] } 7... axb6 { [%eval -0.33] [%clk 0:09:33] } 8. Nh4 { [%eval -0.8] [%clk 0:10:06] } 8... Bg6?! { [%eval -0.02] } { Inaccuracy. Bc2 was best. } { [%clk 0:09:25] } 9. Nxg6 { [%eval 0.03] [%clk 0:10:06] } 9... hxg6 { [%eval 0.0] [%clk 0:09:26] } 10. a3 { [%eval -0.12] [%clk 0:10:04] } 10... Nbd7 { [%eval -0.12] [%clk 0:09:26] } 11. h3 { [%eval -0.32] [%clk 0:10:05] } 11... Bd6 { [%eval -0.09] [%clk 0:09:10] } 12. Bd3 { [%eval -0.49] [%clk 0:10:04] } 12... O-O?! { [%eval 0.09] } { Inaccuracy. dxc4 was best. } { [%clk 0:07:29] } 13. Bd2 { [%eval -0.02] [%clk 0:10:03] } 13... e5?! { [%eval 0.85] } { Inaccuracy. dxc4 was best. } { [%clk 0:06:40] } 14. cxd5 { [%eval 1.0] [%clk 0:08:57] } 14... Nxd5 { [%eval 0.95] [%clk 0:06:27] } 15. Bc4?! { [%eval 0.0] } { Inaccuracy. Nxd5 was best. } { [%clk 0:07:18] } 15... Nxc3 { [%eval -0.25] [%clk 0:05:51] } 16. Bxc3 { [%eval -0.1] [%clk 0:06:16] } 16... b5 { [%eval 0.0] [%clk 0:05:23] } 17. dxe5 { [%eval -0.15] [%clk 0:05:47] } 17... Bxe5 { [%eval 0.0] [%clk 0:04:45] } 18. Bxe5 { [%eval 0.0] [%clk 0:05:46] } 18... Nxe5 { [%eval -0.08] [%clk 0:04:31] } 19. Be2 { [%eval -0.05] [%clk 0:05:40] } 19... b4 { [%eval 0.0] [%clk 0:04:09] } 20. O-O { [%eval -0.1] [%clk 0:05:30] } 20... bxa3 { [%eval -0.3] [%clk 0:03:57] } 21. Rxa3 { [%eval -0.09] [%clk 0:05:23] } 21... Rxa3 { [%eval -0.35] [%clk 0:03:50] } 22. bxa3 { [%eval -0.25] [%clk 0:05:23] } 22... Ra8 { [%eval 0.0] [%clk 0:03:46] } 23. Ra1 { [%eval -0.47] [%clk 0:05:21] } 23... b5?! { [%eval 0.1] } { Inaccuracy. Kf8 was best. } { [%clk 0:03:35] } 24. Kf1 { [%eval -0.19] [%clk 0:05:02] } 24... b4 { [%eval 0.05] [%clk 0:03:36] } 25. a4 { [%eval 0.12] [%clk 0:05:01] } 25... c5 { [%eval 0.25] [%clk 0:03:23] } 26. Ke1 { [%eval 0.42] [%clk 0:04:57] } 26... f6 { [%eval 0.58] [%clk 0:03:24] } 27. Kd2 { [%eval 0.36] [%clk 0:04:54] } 27... Kf7 { [%eval 0.39] [%clk 0:03:25] } 28. Rc1 { [%eval 0.0] [%clk 0:04:50] } 28... Rxa4 { [%eval 0.0] [%clk 0:03:05] } 29. Rxc5 { [%eval 0.0] [%clk 0:04:45] } 29... Ra2+ { [%eval 0.0] [%clk 0:02:32] } 30. Kd1 { [%eval 0.0] [%clk 0:04:05] } 30... b3 { [%eval 0.0] [%clk 0:02:03] } 31. f4?? { [%eval -3.41] } { Blunder. Rb5 was best. } { [%clk 0:02:24] } 31... b2?? { [%eval 0.0] } { Blunder. Ra1+ was best. } { [%clk 0:01:44] } 32. Kc2 { [%eval -0.5] [%clk 0:02:14] } 32... b1=Q+ { [%eval -0.57] [%clk 0:01:11] } 33. Kxb1 { [%eval -0.46] [%clk 0:02:09] } 33... Rxe2 { [%eval -0.44] [%clk 0:01:12] } 34. fxe5 { [%eval -0.45] [%clk 0:02:10] } 34... Rxg2 { [%eval -0.48] [%clk 0:00:40] } 35. exf6 { [%eval -0.54] [%clk 0:01:54] } 35... gxf6 { [%eval -0.4] [%clk 0:00:36] } 36. h4 { [%eval -0.86] [%clk 0:01:36] } 36... Rh2 { [%eval -0.78] [%clk 0:00:26] } 37. Rc4 { [%eval -0.75] [%clk 0:01:34] } 37... Rh3 { [%eval -0.8] [%clk 0:00:27] } 38. Kc2?? { [%eval -4.64] } { Blunder. Rc7+ was best. } { [%clk 0:01:28] } 38... Rxe3 { [%eval -4.43] [%clk 0:00:23] } 39. Kd2 { [%eval -4.11] [%clk 0:01:30] } 39... Re7?! { [%eval -2.61] } { Inaccuracy. Re6 was best. } { [%clk 0:00:21] } 40. Kd3?! { [%eval -4.1] } { Inaccuracy. Rf4 was best. } { [%clk 0:01:08] } 40... Kg7 { [%eval -5.23] [%clk 0:00:14] } 41. Rc5 { [%eval -6.14] [%clk 0:01:01] } 41... Kh6 { [%eval -6.28] [%clk 0:00:12] } 42. Kd4 { [%eval -7.3] [%clk 0:00:42] } 42... Re5?? { [%eval 0.0] } { Blunder. f5 was best. } { [%clk 0:00:10] } 43. Rc6?? { [%eval -5.71] } { Blunder. Rxe5 was best. } { [%clk 0:00:35] } 43... Kh5?? { [%eval 0.0] } { Blunder. Rf5 was best. } { [%clk 0:00:11] } 44. Rxf6 { [%eval -0.12] [%clk 0:00:32] } 44... Re8 { [%eval 0.0] [%clk 0:00:12] } 45. Rf4 { [%eval 0.0] [%clk 0:00:32] } 45... Rg8 { [%eval -0.08] [%clk 0:00:13] } 46. Ke4 { [%eval 0.0] [%clk 0:00:25] } 46... g5 { [%eval 0.0] [%clk 0:00:14] } 47. hxg5 { [%eval -0.07] [%clk 0:00:27] } 47... Rxg5 { [%eval 0.0] [%clk 0:00:16] } 48. Rf1 { [%eval 0.0] [%clk 0:00:27] } 48... Rg4+ { [%eval -0.08] [%clk 0:00:18] } 49. Kf5 { [%eval 0.0] [%clk 0:00:28] } 49... Kh4?? { [%eval #16] } { Checkmate is now unavoidable. Rh4 was best. } { [%clk 0:00:19] } 50. Rh1+ { [%eval #15] [%clk 0:00:28] } 50... Kg3 { [%eval #14] [%clk 0:00:18] } 51. Rg1+ { [%eval #13] [%clk 0:00:28] } 1-0