Event: Round 4 - IM D: Alfonso Almeida Saenz - Akira Nakada
Site: https://lichess.org/study/Fw0OuDgi/h8bd8RXA
Date: 2021-07-30
White: Alfonso Almeida Saenz
Black: Akira Nakada
Result: 0-1
ECO: D19
Opening: Slav Defense: Czech Variation, Dutch Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:28:46] } 1... d5 { [%eval 0.23] [%clk 1:30:54] } 2. c4 { [%eval 0.0] [%clk 1:29:12] } 2... c6 { [%eval 0.24] [%clk 1:31:21] } 3. Nc3 { [%eval 0.16] [%clk 1:29:34] } 3... Nf6 { [%eval 0.13] [%clk 1:31:43] } 4. Nf3 { [%eval 0.0] [%clk 1:29:49] } 4... dxc4 { [%eval 0.2] [%clk 1:32:02] } 5. a4 { [%eval 0.13] [%clk 1:30:03] } 5... Bf5 { [%eval 0.5] [%clk 1:32:24] } 6. e3 { [%eval 0.29] [%clk 1:29:52] } 6... e6 { [%eval 0.21] [%clk 1:32:48] } 7. Bxc4 { [%eval 0.32] [%clk 1:30:17] } 7... Bb4 { [%eval 0.28] [%clk 1:33:07] } 8. O-O { [%eval 0.44] [%clk 1:30:35] } 8... O-O { [%eval 0.42] [%clk 1:33:29] } 9. Qb3 { [%eval 0.06] [%clk 1:30:55] } 9... Qe7 { [%eval 0.36] [%clk 1:32:33] } 10. a5 { [%eval 0.06] [%clk 1:31:04] } 10... Rd8 { [%eval 0.0] [%clk 1:14:09] } 11. Bd2 { [%eval 0.0] [%clk 1:29:19] } 11... c5 { [%eval -0.29] [%clk 1:13:07] } 12. dxc5 { [%eval -0.32] [%clk 1:28:46] } 12... Bxc5 { [%eval -0.34] [%clk 1:11:48] } 13. Na4 { [%eval -0.33] [%clk 1:28:41] } 13... Bd6 { [%eval -0.43] [%clk 1:05:00] } 14. Nd4 { [%eval -0.25] [%clk 1:28:57] } 14... Bg6 { [%eval -0.46] [%clk 0:55:44] } 15. f3?! { [%eval -1.35] } { Inaccuracy. Rfd1 was best. } { [%clk 1:20:26] } 15... Nc6 { [%eval -0.87] [%clk 0:54:46] } 16. Bc3?! { [%eval -1.95] } { Inaccuracy. Nxc6 was best. } { [%clk 1:18:11] } 16... Nxd4?! { [%eval -1.14] } { Inaccuracy. Qc7 was best. } { [%clk 0:51:49] } 17. Bxd4 { [%eval -0.92] [%clk 1:18:33] } 17... Qc7 { [%eval -1.07] [%clk 0:47:58] } 18. Kh1 { [%eval -1.25] [%clk 1:12:47] } 18... Rdc8?! { [%eval -0.42] } { Inaccuracy. Nh5 was best. } { [%clk 0:23:36] } 19. Be2?! { [%eval -1.2] } { Inaccuracy. Rfc1 was best. } { [%clk 1:10:04] } 19... Qxa5? { [%eval 0.0] } { Mistake. Bc2 was best. } { [%clk 0:23:18] } 20. Nc5? { [%eval -1.22] } { Mistake. Nc3 was best. } { [%clk 1:08:57] } 20... Qd2?! { [%eval -0.7] } { Inaccuracy. Qc7 was best. } { [%clk 0:20:09] } 21. Nxb7 { [%eval -0.51] [%clk 1:08:36] } 21... Rab8? { [%eval 0.86] } { Mistake. Bc2 was best. } { [%clk 0:20:32] } 22. Ba6?? { [%eval -1.32] } { Blunder. Qd1 was best. } { [%clk 1:07:45] } 22... Rc2 { [%eval -1.13] [%clk 0:20:26] } 23. Qxc2 { [%eval -0.95] [%clk 1:06:13] } 23... Bxc2 { [%eval -1.21] [%clk 0:19:00] } 24. Nxd6 { [%eval -1.23] [%clk 1:06:41] } 24... Qb4 { [%eval -1.09] [%clk 0:18:15] } 25. Nc4 { [%eval -1.28] [%clk 1:06:33] } 25... Bd3 { [%eval -1.33] [%clk 0:18:19] } 26. Rfc1 { [%eval -1.25] [%clk 1:06:50] } 26... h6 { [%eval -1.23] [%clk 0:17:44] } 27. Ne5 { [%eval -1.34] [%clk 1:06:05] } 27... Bxa6 { [%eval -1.43] [%clk 0:17:26] } 28. Nc6 { [%eval -1.15] [%clk 1:06:29] } 28... Qb7 { [%eval -1.07] [%clk 0:16:12] } 29. Nxb8 { [%eval -1.24] [%clk 1:06:50] } 29... Bb5 { [%eval -1.14] [%clk 0:16:30] } 30. Bxa7 { [%eval -1.23] [%clk 1:06:28] } 30... h5 { [%eval -1.0] [%clk 0:15:46] } 31. e4 { [%eval -1.13] [%clk 1:02:05] } 31... h4 { [%eval -1.38] [%clk 0:16:08] } 32. h3 { [%eval -1.65] [%clk 1:02:29] } 32... Nh5 { [%eval -1.37] } 33. Ra5?! { [%eval -2.14] } { Inaccuracy. Rc5 was best. } { [%clk 1:01:34] } 33... Ng3+ { [%eval -2.22] [%clk 0:14:55] } 34. Kh2 { [%eval -2.04] [%clk 1:02:03] } 34... Bf1 { [%eval -1.82] [%clk 0:13:20] } 35. Rc2 { [%eval -2.25] [%clk 1:01:44] } 35... Bd3 { [%eval -2.38] [%clk 0:12:15] } 36. Rc3 { [%eval -2.61] [%clk 1:00:50] } 36... Qxb2 { [%eval -2.2] [%clk 0:10:58] } 37. Rxd3 { [%eval -2.63] [%clk 1:01:10] } 37... Qc1 { [%eval -2.56] [%clk 0:10:22] } 38. Bg1 { [%eval -2.51] [%clk 0:59:12] } 38... Qc7?? { [%eval 0.0] } { Blunder. Ne2 was best. } { [%clk 0:09:30] } 39. Ra8 { [%eval 0.0] [%clk 0:59:01] } 39... Ne2+ { [%eval 0.0] [%clk 0:09:38] } 40. Kh1?? { [%eval #-6] } { Checkmate is now unavoidable. e5 was best. } { [%clk 0:59:24] } 40... Qc1 { [%eval #-5] [%clk 0:09:55] } 41. Nd7+ { [%clk 0:58:03] } 41... Kh7 { [%clk 0:10:19] } 42. Nf8+ { [%clk 0:57:56] } 42... Kh6 { [%clk 0:10:38] } 0-1