Event: Round 4: Lamaze, Simon - Jacobson, Brandon
Date: 2025-07-22
White: Lamaze, Simon
WhiteTitle: IM
WhiteElo: 2458
Black: Jacobson, Brandon
BlackTitle: GM
BlackElo: 2569
Result: 1/2-1/2
ECO: A10
Opening: English Opening: Great Snake Variation
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:40:57] } 1... g6 { [%eval 0.22] [%clk 1:38:26] } 2. d4 { [%eval 0.29] [%clk 1:40:47] } 2... Bg7 { [%eval 0.51] [%clk 1:37:47] } 3. Nc3 { [%eval 0.49] [%clk 1:41:04] } 3... c5 { [%eval 0.56] [%clk 1:35:02] } 4. d5 { [%eval 0.43] [%clk 1:41:03] } 4... d6 { [%eval 0.56] [%clk 1:35:23] } 5. e4 { [%eval 0.51] [%clk 1:40:39] } 5... Bxc3+ { [%eval 0.6] [%clk 1:35:11] } 6. bxc3 { [%eval 0.49] [%clk 1:41:00] } 6... e5 { [%eval 0.52] [%clk 1:35:36] } 7. Bd3 { [%eval 0.34] [%clk 1:37:05] } 7... Nd7 { [%eval 0.58] [%clk 1:35:04] } 8. Ne2?! { [%eval 0.0] } { Inaccuracy. Nf3 was best. } { [%clk 1:33:36] } 8... Qe7 { [%eval 0.1] [%clk 1:34:54] } 9. Qc2 { [%eval -0.15] [%clk 1:33:23] } 9... Kd8 { [%eval -0.15] [%clk 1:29:00] } 10. Bd2 { [%eval -0.37] [%clk 1:31:57] } 10... h6?! { [%eval 0.22] } { Inaccuracy. h5 was best. } { [%clk 1:18:07] } 11. h4 { [%eval -0.11] [%clk 1:27:56] } 11... Kc7 { [%eval -0.05] [%clk 1:07:09] } 12. Ng3 { [%eval -0.26] [%clk 1:25:12] } 12... Nb6 { [%eval -0.19] [%clk 0:59:57] } 13. O-O-O { [%eval -0.36] [%clk 1:25:04] } 13... h5 { [%eval -0.27] [%clk 0:47:56] } 14. Kb1 { [%eval -0.24] [%clk 1:24:03] } 14... f6 { [%eval 0.15] [%clk 0:43:41] } 15. Rde1?! { [%eval -0.41] } { Inaccuracy. Ka1 was best. } { [%clk 1:22:18] } 15... Nh6 { [%eval -0.39] [%clk 0:42:33] } 16. Ka1 { [%eval -0.39] [%clk 1:08:46] } 16... Nf7 { [%eval -0.19] [%clk 0:41:13] } 17. Nf1 { [%eval -0.26] [%clk 1:07:40] } 17... Bd7 { [%eval -0.25] [%clk 0:41:21] } 18. Ne3 { [%eval -0.24] [%clk 1:06:40] } 18... Nh6 { [%eval -0.28] [%clk 0:34:30] } 19. f3 { [%eval -0.31] [%clk 1:02:07] } 19... f5 { [%eval -0.29] [%clk 0:34:02] } 20. g3 { [%eval -0.44] [%clk 0:57:40] } 20... fxe4 { [%eval -0.34] [%clk 0:32:46] } 21. Bxe4 { [%eval -0.28] [%clk 0:56:21] } 21... Nf5 { [%eval -0.25] [%clk 0:32:51] } 22. Rhg1 { [%eval -0.61] [%clk 0:54:38] } 22... Qf7?! { [%eval 0.09] } { Inaccuracy. Nxe3 was best. } { [%clk 0:26:17] } 23. Qd3?! { [%eval -0.55] } { Inaccuracy. Nf1 was best. } { [%clk 0:42:49] } 23... Nxe3 { [%eval -0.49] [%clk 0:23:34] } 24. Bxe3 { [%eval -0.52] [%clk 0:42:49] } 24... Bf5 { [%eval -0.72] [%clk 0:23:59] } 25. Bg5 { [%eval -0.57] [%clk 0:42:55] } 25... Rhf8 { [%eval -0.35] [%clk 0:19:50] } 26. f4?! { [%eval -1.23] } { Inaccuracy. Re3 was best. } { [%clk 0:41:40] } 26... Rae8 { [%eval -1.0] [%clk 0:20:14] } 27. Rgf1 { [%eval -0.94] [%clk 0:31:00] } 27... Qd7?! { [%eval -0.28] } { Inaccuracy. exf4 was best. } { [%clk 0:06:46] } 28. fxe5? { [%eval -1.7] } { Mistake. Bxf5 was best. } { [%clk 0:24:31] } 28... Rxe5 { [%eval -1.7] [%clk 0:07:11] } 29. Bxf5 { [%eval -1.55] [%clk 0:24:30] } 29... Qxf5 { [%eval -1.63] [%clk 0:06:45] } 30. Qxf5 { [%eval -1.99] [%clk 0:17:33] } 30... Rfxf5 { [%eval -1.98] [%clk 0:07:10] } 31. Bf4 { [%eval -1.7] [%clk 0:14:29] } 31... Rxe1+ { [%eval -1.66] [%clk 0:07:34] } 32. Rxe1 { [%eval -2.04] [%clk 0:14:56] } 32... Nxc4 { [%eval -1.93] [%clk 0:07:59] } 33. Re7+ { [%eval -1.91] [%clk 0:14:15] } 33... Kc8 { [%eval -1.74] [%clk 0:03:36] } 34. Kb1 { [%eval -1.77] [%clk 0:11:21] } 34... Nb6?! { [%eval -1.11] } { Inaccuracy. Rxd5 was best. } { [%clk 0:01:52] } 35. Bxd6 { [%eval -1.27] [%clk 0:10:29] } 35... Nxd5 { [%eval -1.1] [%clk 0:02:20] } 36. Rg7 { [%eval -1.22] [%clk 0:10:31] } 36... Rf6?! { [%eval -0.12] } { Inaccuracy. Nxc3+ was best. } { [%clk 0:01:15] } 37. Bxc5 { [%eval -0.06] [%clk 0:09:42] } 37... Nxc3+ { [%eval -0.03] [%clk 0:01:38] } 38. Kc2 { [%eval -0.1] [%clk 0:09:46] } 38... Nb5 { [%eval 0.0] [%clk 0:00:36] } 39. Be3 { [%eval -0.05] [%clk 0:08:02] } 39... Rc6+ { [%eval 0.0] [%clk 0:00:34] } 40. Kb2 { [%eval -0.08] [%clk 0:07:34] } 40... b6 { [%eval -0.09] [%clk 0:00:33] } 41. Bf4 { [%eval -0.34] [%clk 0:02:41] } 41... a5 { [%eval -0.29] [%clk 0:30:02] } 42. Re7 { [%eval -0.52] [%clk 0:29:04] } 42... Nd4 { [%eval -0.54] [%clk 0:28:51] } 43. a4 { [%eval -1.08] [%clk 0:19:25] } 43... Ne6?! { [%eval -0.27] } { Inaccuracy. Rc2+ was best. } { [%clk 0:20:57] } 44. Be3 { [%eval -0.25] [%clk 0:17:30] } 44... Nc7 { [%eval -0.28] [%clk 0:21:22] } 45. Rg7 { [%eval -0.37] [%clk 0:11:52] } 45... Re6 { [%eval -0.32] [%clk 0:18:32] } 46. Bd2 { [%eval -0.31] [%clk 0:11:42] } 46... Ne8 { [%eval -0.29] [%clk 0:16:27] } 47. Rh7 { [%eval -0.42] [%clk 0:10:14] } 47... Nd6 { [%eval -0.37] [%clk 0:08:26] } 48. Bf4 { [%eval -0.4] [%clk 0:09:58] } 48... Nf5 { [%eval -0.11] [%clk 0:08:51] } 49. Kb3?! { [%eval -1.01] } { Inaccuracy. Kc2 was best. } { [%clk 0:08:48] } 49... Re4?! { [%eval -0.1] } { Inaccuracy. Rc6 was best. } { [%clk 0:05:44] } 50. Rf7 { [%eval -0.25] [%clk 0:07:53] } 50... Ne7 { [%eval 0.0] [%clk 0:02:55] } 51. Rg7 { [%eval 0.0] [%clk 0:06:37] } 51... Nf5 { [%eval 0.0] [%clk 0:01:27] } 1/2-1/2