Event: World Youth Cup 2021 O12-G16 - Open 12
Date: 2021-08-06
White: Alfaro Zambrano, Luis Fabricio
Black: Efimov, Leonid
Result: 0-1
ECO: B40
Opening: Sicilian Defense: French Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 0:10:03] } 1... c5 { [%eval 0.32] [%clk 0:10:00] } 2. Nf3 { [%eval 0.0] [%clk 0:10:03] } 2... e6?! { [%eval 0.54] } { Inaccuracy. d6 was best. } { [%clk 0:10:02] } 3. Nc3 { [%eval 0.16] [%clk 0:09:58] } 3... Nf6?! { [%eval 0.71] } { Inaccuracy. a6 was best. } { [%clk 0:10:00] } 4. Be2?! { [%eval 0.0] } { Inaccuracy. e5 was best. } { [%clk 0:09:35] } 4... d5 { [%eval 0.21] [%clk 0:09:56] } 5. exd5 { [%eval 0.34] [%clk 0:09:35] } 5... exd5 { [%eval 0.21] [%clk 0:09:55] } 6. d4 { [%eval 0.01] [%clk 0:09:36] } 6... Nc6 { [%eval 0.28] [%clk 0:09:53] } 7. O-O { [%eval 0.21] [%clk 0:09:36] } 7... Be7 { [%eval 0.59] [%clk 0:09:54] } 8. Be3?! { [%eval 0.0] } { Inaccuracy. dxc5 was best. } { [%clk 0:09:31] } 8... c4 { [%eval 0.25] [%clk 0:09:44] } 9. a3 { [%eval 0.37] [%clk 0:09:09] } 9... O-O { [%eval 0.51] [%clk 0:09:30] } 10. b3?! { [%eval -0.36] } { Inaccuracy. Ne5 was best. } { [%clk 0:09:08] } 10... cxb3 { [%eval -0.39] [%clk 0:09:29] } 11. cxb3 { [%eval -0.26] [%clk 0:09:09] } 11... Bg4 { [%eval 0.05] [%clk 0:09:28] } 12. h3 { [%eval -0.04] [%clk 0:08:56] } 12... Bh5 { [%eval 0.0] [%clk 0:09:29] } 13. b4 { [%eval 0.07] [%clk 0:08:37] } 13... a6 { [%eval 0.3] [%clk 0:09:26] } 14. Rc1 { [%eval 0.37] [%clk 0:08:36] } 14... Rc8 { [%eval 0.31] [%clk 0:09:27] } 15. Qd2 { [%eval -0.04] [%clk 0:08:28] } 15... Ne4 { [%eval -0.05] [%clk 0:09:12] } 16. Qe1 { [%eval -0.37] [%clk 0:06:31] } 16... Bf6 { [%eval 0.0] [%clk 0:08:47] } 17. g4? { [%eval -1.14] } { Mistake. Nxe4 was best. } { [%clk 0:03:48] } 17... Bg6 { [%eval -1.07] [%clk 0:08:34] } 18. b5 { [%eval -1.49] [%clk 0:03:15] } 18... axb5 { [%eval -1.6] [%clk 0:08:30] } 19. Nxb5 { [%eval -1.57] [%clk 0:03:14] } 19... h5 { [%eval -1.46] [%clk 0:08:27] } 20. Nd2 { [%eval -1.32] [%clk 0:02:58] } 20... hxg4?! { [%eval -0.64] } { Inaccuracy. Ng5 was best. } { [%clk 0:08:21] } 21. Bxg4? { [%eval -1.76] } { Mistake. Nxe4 was best. } { [%clk 0:02:44] } 21... Ra8 { [%eval -1.73] [%clk 0:08:20] } 22. Nxe4 { [%eval -1.66] [%clk 0:02:43] } 22... Bxe4 { [%eval -1.76] [%clk 0:08:21] } 23. f3?? { [%eval -7.15] } { Blunder. Qe2 was best. } { [%clk 0:01:59] } 23... Bd3 { [%eval -7.08] [%clk 0:08:13] } 24. a4 { [%eval -7.26] [%clk 0:01:51] } 24... Bxf1 { [%eval -6.96] [%clk 0:07:42] } 25. Qxf1 { [%eval -6.93] [%clk 0:01:54] } 25... Rxa4 { [%eval -6.16] [%clk 0:07:39] } 26. Qd3 { [%eval -7.35] [%clk 0:01:46] } 26... Bg5 { [%eval -5.87] [%clk 0:07:26] } 27. f4 { [%eval -5.96] [%clk 0:01:42] } 27... Bf6 { [%eval -5.85] [%clk 0:07:25] } 28. Kh1 { [%eval -6.32] [%clk 0:01:41] } 28... Re8 { [%eval -6.24] [%clk 0:07:23] } 29. Bd1 { [%eval -7.81] [%clk 0:01:12] } 29... Rc4 { [%eval -7.9] [%clk 0:07:21] } 30. Bc2 { [%eval -9.65] [%clk 0:01:07] } 30... g6 { [%eval -8.15] [%clk 0:07:14] } 31. f5 { [%eval -9.26] [%clk 0:01:04] } 31... Nb4 { [%eval -9.44] [%clk 0:07:16] } 32. Qe2 { [%eval -10.36] [%clk 0:00:49] } 32... Nxc2 { [%eval -9.82] [%clk 0:07:15] } 33. Rxc2 { [%eval -11.34] [%clk 0:00:50] } 33... Rxc2 { [%eval -12.41] [%clk 0:07:12] } 34. Qxc2 { [%eval -13.23] [%clk 0:00:53] } 34... Qd7 { [%eval -7.62] [%clk 0:07:00] } 35. Qd3 { [%eval -7.08] [%clk 0:00:38] } 35... Rxe3 { [%eval -7.69] [%clk 0:06:42] } 36. Qxe3 { [%eval -8.0] [%clk 0:00:38] } 36... Qxb5 { [%eval -7.62] [%clk 0:06:44] } 37. fxg6 { [%eval -8.05] [%clk 0:00:37] } 37... fxg6 { [%eval -7.98] [%clk 0:06:45] } 38. Kh2 { [%eval -8.75] [%clk 0:00:31] } 38... Kg7 { [%eval -8.88] [%clk 0:06:30] } 39. Qe6 { [%eval -9.17] [%clk 0:00:23] } 39... Qb2+ { [%eval -10.32] [%clk 0:06:24] } 40. Kh1 { [%eval -10.81] [%clk 0:00:19] } 40... Qb1+ { [%eval -9.62] [%clk 0:06:23] } 41. Kh2 { [%eval -9.76] [%clk 0:00:19] } 41... Qc2+ { [%eval -9.69] [%clk 0:06:24] } 42. Kh1 { [%eval -65.11] [%clk 0:00:17] } 42... Qe4+ { [%eval -76.13] [%clk 0:06:25] } 43. Qxe4 { [%eval -65.7] [%clk 0:00:18] } 43... dxe4 { [%eval -72.12] [%clk 0:06:28] } 44. Kg2 { [%eval #-25] [%clk 0:00:19] } 44... Bxd4 { [%eval -75.58] [%clk 0:06:30] } 45. Kf1?! { [%eval #-13] } { Checkmate is now unavoidable. Kg3 was best. } { [%clk 0:00:21] } 45... Kf6?! { [%eval -78.22] } { Lost forced checkmate sequence. b5 was best. } { [%clk 0:06:32] } 46. Ke2 { [%eval -77.92] [%clk 0:00:24] } 46... Ke5 { [%eval #-13] [%clk 0:06:32] } 47. Kd2 { [%eval #-12] [%clk 0:00:27] } 47... b5 { [%eval #-11] [%clk 0:06:32] } 48. Ke2 { [%eval #-10] [%clk 0:00:30] } 48... b4 { [%eval #-9] [%clk 0:06:34] } 49. h4 { [%eval #-9] [%clk 0:00:30] } 49... b3 { [%eval #-7] [%clk 0:06:35] } 50. h5 { [%eval #-7] [%clk 0:00:30] } 50... gxh5 { [%eval #-6] [%clk 0:06:36] } 51. Kd2 { [%eval #-6] [%clk 0:00:31] } 51... h4 { [%eval #-6] [%clk 0:06:36] } 52. Ke2 { [%eval #-5] [%clk 0:00:33] } 52... h3 { [%eval #-5] [%clk 0:06:37] } 53. Kd2 { [%eval #-5] [%clk 0:00:34] } 53... h2 { [%eval #-4] [%clk 0:06:39] } 54. Ke2 { [%eval #-4] [%clk 0:00:36] } 54... h1=Q { [%eval #-3] [%clk 0:06:40] } 55. Kd2 { [%eval #-3] [%clk 0:00:38] } 55... Qg2+ { [%eval #-2] [%clk 0:06:40] } 56. Kc1 { [%eval #-1] [%clk 0:00:39] } 56... b2+ { [%eval #-3] [%clk 0:06:36] } 57. Kb1 { [%eval #-3] [%clk 0:00:38] } 57... Qf1+ { [%eval #-2] [%clk 0:06:35] } 58. Ka2 { [%eval #-2] [%clk 0:00:39] } 58... b1=Q+ { [%eval #-1] [%clk 0:06:34] } 59. Ka3 { [%eval #-1] [%clk 0:00:41] } 59... Qa6# { [%clk 0:06:29] } 0-1