Event: Round 4: Pedro Rodriguez Rivera - Marvin Gao
Site: https://lichess.org/study/gtSuFFkj/s9aTU9Dq
Date: 2021-11-14
White: Pedro Rodriguez Rivera
WhiteTitle: IM
Black: Marvin Gao
Result: 1/2-1/2
ECO: D02
Opening: Queen's Pawn Game: London System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:28:23] } 1... Nf6 { [%eval 0.35] [%clk 1:30:43] } 2. Nf3 { [%eval 0.12] [%clk 1:28:48] } 2... d5 { [%eval 0.09] [%clk 1:30:23] } 3. Bf4 { [%eval -0.09] [%clk 1:29:15] } 3... e6 { [%eval 0.01] [%clk 1:30:28] } 4. e3 { [%eval 0.09] [%clk 1:29:38] } 4... Bd6 { [%eval 0.13] [%clk 1:30:38] } 5. Nbd2 { [%eval 0.0] [%clk 1:29:44] } 5... Bxf4 { [%eval 0.0] [%clk 1:29:34] } 6. exf4 { [%eval 0.0] [%clk 1:30:13] } 6... c5 { [%eval 0.48] [%clk 1:29:48] } 7. c3 { [%eval 0.0] [%clk 1:28:02] } 7... cxd4 { [%eval 0.48] [%clk 1:30:04] } 8. Nxd4 { [%eval 0.18] [%clk 1:24:29] } 8... O-O { [%eval 0.35] [%clk 1:28:54] } 9. Bd3 { [%eval -0.08] [%clk 1:24:43] } 9... Qc7 { [%eval 0.03] [%clk 1:27:09] } 10. g3 { [%eval 0.03] [%clk 1:24:24] } 10... e5 { [%eval 0.01] [%clk 1:25:52] } 11. fxe5 { [%eval 0.02] [%clk 1:24:53] } 11... Qxe5+ { [%eval -0.02] [%clk 1:26:02] } 12. Qe2 { [%eval 0.04] [%clk 1:25:09] } 12... Qxe2+?! { [%eval 0.92] } { Inaccuracy. Qd6 was best. } { [%clk 1:22:15] } 13. Nxe2?! { [%eval 0.36] } { Inaccuracy. Bxe2 was best. } { [%clk 1:22:54] } 13... Nc6 { [%eval 0.24] [%clk 1:21:41] } 14. f4?! { [%eval -0.75] } { Inaccuracy. O-O was best. } { [%clk 1:12:19] } 14... Bg4?! { [%eval 0.23] } { Inaccuracy. Bh3 was best. } { [%clk 1:20:26] } 15. Nb3?! { [%eval -0.44] } { Inaccuracy. h3 was best. } { [%clk 1:01:40] } 15... Rfe8 { [%eval -0.38] [%clk 1:19:21] } 16. h3?! { [%eval -1.13] } { Inaccuracy. Kf2 was best. } { [%clk 0:51:59] } 16... Bxe2 { [%eval -1.0] [%clk 1:14:33] } 17. Bxe2 { [%eval -0.69] [%clk 0:52:25] } 17... Re7 { [%eval -0.39] [%clk 1:08:59] } 18. Kf1 { [%eval -0.44] [%clk 0:52:17] } 18... Rae8?! { [%eval 0.1] } { Inaccuracy. a5 was best. } { [%clk 1:07:41] } 19. Bf3 { [%eval 0.29] [%clk 0:51:38] } 19... a5 { [%eval 0.1] [%clk 0:44:31] } 20. Rd1? { [%eval -0.99] } { Mistake. a4 was best. } { [%clk 0:51:22] } 20... a4 { [%eval -0.76] [%clk 0:42:41] } 21. Nc5?! { [%eval -1.51] } { Inaccuracy. Nd4 was best. } { [%clk 0:48:47] } 21... Re3?! { [%eval -0.6] } { Inaccuracy. a3 was best. } { [%clk 0:40:49] } 22. Kf2 { [%eval -0.49] [%clk 0:43:05] } 22... a3 { [%eval -0.7] [%clk 0:40:42] } 23. Rd3 { [%eval -0.61] [%clk 0:42:51] } 23... Rxd3 { [%eval -0.56] [%clk 0:40:30] } 24. Nxd3 { [%eval -0.71] [%clk 0:43:20] } 24... Ne4+ { [%eval -0.72] [%clk 0:37:14] } 25. Bxe4 { [%eval -0.73] [%clk 0:42:29] } 25... dxe4 { [%eval -0.57] [%clk 0:37:41] } 26. Nc5 { [%eval -0.53] [%clk 0:42:34] } 26... axb2 { [%eval -0.19] [%clk 0:37:54] } 27. Rb1 { [%eval -0.11] [%clk 0:43:01] } 27... f5 { [%eval 0.29] [%clk 0:33:58] } 28. Nxb7? { [%eval -0.88] } { Mistake. Rxb2 was best. } { [%clk 0:39:45] } 28... Rb8 { [%eval -0.73] [%clk 0:33:56] } 29. Nd6 { [%eval -0.7] [%clk 0:40:07] } 29... Na5 { [%eval -0.64] [%clk 0:33:57] } 30. c4 { [%eval -0.82] [%clk 0:39:01] } 30... Nc6?! { [%eval 0.0] } { Inaccuracy. h5 was best. } { [%clk 0:21:49] } 31. Nb5?? { [%eval -2.17] } { Blunder. Nxf5 was best. } { [%clk 0:29:53] } 31... Nb4 { [%eval -2.48] [%clk 0:19:47] } 32. Ke2 { [%eval -2.93] [%clk 0:29:40] } 32... Nd3 { [%eval -2.88] [%clk 0:18:31] } 33. Kd2 { [%eval -2.74] [%clk 0:28:15] } 33... Rd8 { [%eval -2.73] [%clk 0:17:12] } 34. Kc2 { [%eval -2.56] [%clk 0:27:39] } 34... e3?? { [%eval 0.0] } { Blunder. Kf7 was best. } { [%clk 0:17:12] } 35. Nc3 { [%eval 0.0] [%clk 0:27:31] } 35... Nf2?! { [%eval 0.77] } { Inaccuracy. Rd4 was best. } { [%clk 0:13:16] } 36. Rxb2? { [%eval -0.62] } { Mistake. Re1 was best. } { [%clk 0:25:29] } 36... Nd1?! { [%eval 0.0] } { Inaccuracy. Rd2+ was best. } { [%clk 0:13:18] } 37. Rb3 { [%eval -0.24] [%clk 0:22:19] } 37... Rd2+ { [%eval -0.28] [%clk 0:12:25] } 38. Kc1 { [%eval -0.29] [%clk 0:20:11] } 38... Nf2 { [%eval -0.58] [%clk 0:12:26] } 39. Rb8+ { [%eval -0.56] [%clk 0:19:22] } 39... Kf7 { [%eval -0.63] [%clk 0:12:52] } 40. Rb7+ { [%eval -0.7] [%clk 0:19:30] } 40... Ke6 { [%eval -0.83] [%clk 0:11:47] } 41. a4 { [%eval -0.72] [%clk 0:19:07] } 41... Nd3+ { [%eval -0.88] [%clk 0:08:08] } 42. Kb1 { [%eval -0.77] [%clk 0:19:35] } 42... Nc5 { [%eval -0.64] [%clk 0:08:09] } 43. Rb6+?! { [%eval -1.46] } { Inaccuracy. Rb2 was best. } { [%clk 0:16:13] } 43... Kd7? { [%eval -0.25] } { Mistake. Ke7 was best. } { [%clk 0:08:28] } 44. Rb2 { [%eval -0.25] [%clk 0:15:32] } 44... Rd4 { [%eval 0.0] [%clk 0:06:49] } 45. Re2 { [%clk 0:12:54] } 45... Rxc4 { [%clk 0:06:38] } 46. Rxe3 { [%clk 0:13:12] } 46... Nxa4 { [%clk 0:06:59] } 47. Nxa4 { [%clk 0:12:22] } 47... Rxa4 { [%clk 0:07:27] } 48. Kb2 { [%clk 0:12:09] } 1/2-1/2