Event: Round 4: Sviridov, Vitaliy - Langer, Michael S.
Date: 2025-06-29
White: Sviridov, Vitaliy
WhiteElo: 1739
Black: Langer, Michael S.
BlackElo: 1923
Result: 1/2-1/2
ECO: D02
Opening: Queen's Pawn Game: London System
Variant: Standard
TimeControl: 10+5

1. d4 { [%eval 0.17] [%clk 0:10:09] } 1... d5 { [%eval 0.2] [%clk 0:10:07] } 2. Nf3 { [%eval 0.08] [%clk 0:10:10] } 2... Nf6 { [%eval 0.11] [%clk 0:10:10] } 3. Bf4 { [%eval 0.02] [%clk 0:10:13] } 3... c5 { [%eval 0.11] [%clk 0:10:06] } 4. e3 { [%eval 0.02] [%clk 0:10:05] } 4... cxd4 { [%eval 0.21] [%clk 0:10:05] } 5. exd4 { [%eval 0.1] [%clk 0:10:07] } 5... Nc6 { [%eval 0.12] [%clk 0:10:04] } 6. Nbd2 { [%eval 0.13] [%clk 0:09:40] } 6... Bf5 { [%eval 0.23] [%clk 0:09:55] } 7. Bb5 { [%eval 0.16] [%clk 0:09:36] } 7... Qb6 { [%eval 0.29] [%clk 0:09:09] } 8. Bxc6+ { [%eval -0.18] [%clk 0:09:36] } 8... bxc6 { [%eval -0.2] [%clk 0:09:02] } 9. Rb1?! { [%eval -0.78] } { Inaccuracy. O-O was best. } { [%clk 0:08:19] } 9... e6 { [%eval -0.82] [%clk 0:08:55] } 10. O-O { [%eval -0.73] [%clk 0:08:19] } 10... h6 { [%eval -0.56] [%clk 0:08:37] } 11. Be5 { [%eval -0.88] [%clk 0:07:44] } 11... Be7 { [%eval -0.79] [%clk 0:08:34] } 12. Bxf6 { [%eval -0.81] [%clk 0:07:07] } 12... Bxf6 { [%eval -0.94] [%clk 0:08:32] } 13. Nb3 { [%eval -0.91] [%clk 0:07:07] } 13... Be7 { [%eval -0.78] [%clk 0:07:43] } 14. Ne5 { [%eval -0.82] [%clk 0:07:09] } 14... c5?! { [%eval 0.01] } { Inaccuracy. Qc7 was best. } { [%clk 0:05:57] } 15. dxc5 { [%eval -0.53] [%clk 0:06:57] } 15... Bxc5 { [%eval -0.03] [%clk 0:06:00] } 16. Nd3?? { [%eval -2.35] } { Blunder. Nxc5 was best. } { [%clk 0:06:22] } 16... Bd6 { [%eval -2.33] [%clk 0:05:28] } 17. Qd2 { [%eval -2.3] [%clk 0:06:05] } 17... O-O { [%eval -2.33] [%clk 0:05:15] } 18. Rfe1 { [%eval -2.59] [%clk 0:05:44] } 18... Rac8 { [%eval -2.4] [%clk 0:04:57] } 19. Rbc1 { [%eval -2.55] [%clk 0:05:07] } 19... Bg6 { [%eval -1.95] [%clk 0:04:15] } 20. Qe3?! { [%eval -2.71] } { Inaccuracy. Ne5 was best. } { [%clk 0:05:04] } 20... Qxe3 { [%eval -2.39] [%clk 0:03:49] } 21. Rxe3 { [%eval -2.18] [%clk 0:04:57] } 21... Rc7 { [%eval -2.27] [%clk 0:03:24] } 22. c3 { [%eval -2.19] [%clk 0:04:57] } 22... Rfc8 { [%eval -1.94] [%clk 0:03:16] } 23. Rce1 { [%eval -2.31] [%clk 0:04:25] } 23... Rc4? { [%eval -0.85] } { Mistake. a5 was best. } { [%clk 0:02:50] } 24. Nd4?! { [%eval -1.75] } { Inaccuracy. Ne5 was best. } { [%clk 0:04:06] } 24... Bxd3?! { [%eval -0.82] } { Inaccuracy. Ra4 was best. } { [%clk 0:02:16] } 25. Rxd3 { [%eval -0.86] [%clk 0:04:09] } 25... a6 { [%eval -0.57] [%clk 0:02:05] } 26. Rdd1 { [%eval -0.9] [%clk 0:03:43] } 26... Bc5 { [%eval -0.77] [%clk 0:01:53] } 27. Nf3 { [%eval -0.83] [%clk 0:03:39] } 27... Bd6 { [%eval -0.53] [%clk 0:01:32] } 28. h3 { [%eval -0.77] [%clk 0:03:37] } 28... Rb8 { [%eval -0.43] [%clk 0:01:31] } 29. Re2 { [%eval -0.28] [%clk 0:03:33] } 29... Rc7 { [%eval -0.19] [%clk 0:01:26] } 30. Kf1 { [%eval -0.38] [%clk 0:03:34] } 30... Rcb7 { [%eval -0.1] [%clk 0:01:30] } 31. Rdd2 { [%eval -0.4] [%clk 0:03:27] } 31... Bf4 { [%eval -0.09] [%clk 0:01:18] } 32. Rc2 { [%eval -0.27] [%clk 0:03:30] } 32... Rc8 { [%eval -0.18] [%clk 0:01:11] } 33. g3 { [%eval -0.16] [%clk 0:03:30] } 33... Bd6 { [%eval -0.23] [%clk 0:01:12] } 34. Ke1 { [%eval -0.46] [%clk 0:03:33] } 34... Rcb8 { [%eval -0.12] [%clk 0:01:14] } 35. Kd1 { [%eval -0.2] [%clk 0:03:35] } 35... Kf8 { [%eval -0.22] [%clk 0:01:14] } 36. Kc1 { [%eval -0.31] [%clk 0:03:35] } 36... Ke7 { [%eval -0.05] [%clk 0:01:17] } 37. Nd4 { [%eval -0.22] [%clk 0:03:38] } 37... Kd7 { [%eval -0.14] [%clk 0:01:12] } 38. f4 { [%eval -0.26] [%clk 0:03:32] } 38... Bc5 { [%clk 0:01:00] } 1/2-1/2