Event: Round 4 | B: Jonas Walther - Matthis Berkenkamp
Site: https://lichess.org/study/aoZojq89/1l8CSTE5
Date: 2023-01-06
White: Jonas Walther
Black: Matthis Berkenkamp
Result: 1/2-1/2
ECO: B10
Opening: Caro-Kann Defense
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c6 { [%eval 0.37] [%clk 1:30:49] } 2. Nc3 { [%eval 0.34] [%clk 1:31:20] } 2... d5 { [%eval 0.24] [%clk 1:31:12] } 3. Qe2?! { [%eval -0.53] } { Inaccuracy. Nf3 was best. } { [%clk 1:31:46] } 3... dxe4?! { [%eval 0.46] } { Inaccuracy. d4 was best. } { [%clk 1:30:41] } 4. Nxe4 { [%eval 0.35] [%clk 1:31:45] } 4... e6 { [%eval 0.83] [%clk 1:30:55] } 5. Nf3 { [%eval 0.85] [%clk 1:29:33] } 5... Nf6 { [%eval 1.25] [%clk 1:30:48] } 6. d3? { [%eval 0.06] } { Mistake. Nxf6+ was best. } { [%clk 1:29:48] } 6... Nbd7 { [%eval 0.43] [%clk 1:30:27] } 7. Bf4 { [%eval 0.25] [%clk 1:24:02] } 7... Nxe4 { [%eval 0.2] [%clk 1:29:00] } 8. dxe4 { [%eval -0.18] [%clk 1:21:10] } 8... Bb4+?! { [%eval 0.37] } { Inaccuracy. Qf6 was best. } { [%clk 1:26:44] } 9. c3 { [%eval 0.43] [%clk 1:20:25] } 9... Be7?! { [%eval 1.09] } { Inaccuracy. e5 was best. } { [%clk 1:27:06] } 10. g3 { [%eval 0.73] [%clk 1:06:43] } 10... Qb6 { [%eval 1.02] [%clk 1:20:52] } 11. Bg2 { [%eval 0.68] [%clk 1:06:21] } 11... O-O { [%eval 0.91] [%clk 1:19:12] } 12. O-O { [%eval 0.91] [%clk 1:04:46] } 12... Nf6 { [%eval 1.43] [%clk 1:16:27] } 13. e5 { [%eval 1.24] [%clk 0:49:12] } 13... Nd5 { [%eval 1.33] [%clk 1:16:49] } 14. Bg5 { [%eval 1.06] [%clk 0:49:25] } 14... Qc7?! { [%eval 1.7] } { Inaccuracy. h6 was best. } { [%clk 1:16:52] } 15. Bxe7?! { [%eval 0.67] } { Inaccuracy. c4 was best. } { [%clk 0:41:52] } 15... Nxe7 { [%eval 0.6] [%clk 1:16:14] } 16. Nd2 { [%eval 0.27] [%clk 0:41:37] } 16... b5?! { [%eval 1.22] } { Inaccuracy. b6 was best. } { [%clk 1:10:10] } 17. a4 { [%eval 0.84] [%clk 0:40:34] } 17... Rb8 { [%eval 0.83] [%clk 1:10:12] } 18. b4 { [%eval 0.89] [%clk 0:34:24] } 18... Bb7?! { [%eval 1.94] } { Inaccuracy. a5 was best. } { [%clk 1:08:44] } 19. Nb3 { [%eval 2.02] [%clk 0:34:07] } 19... Nd5 { [%eval 2.13] [%clk 1:07:54] } 20. Bxd5? { [%eval 0.55] } { Mistake. Rfc1 was best. } { [%clk 0:32:17] } 20... cxd5 { [%eval 0.62] [%clk 1:08:13] } 21. Nc5 { [%eval 0.35] [%clk 0:32:32] } 21... bxa4 { [%eval 0.38] [%clk 1:06:51] } 22. Rxa4 { [%eval 0.54] [%clk 0:30:12] } 22... Bc6 { [%eval 0.39] [%clk 1:07:04] } 23. Ra5 { [%eval 0.43] [%clk 0:29:05] } 23... Qb6 { [%eval 0.64] [%clk 1:06:53] } 24. Rfa1?! { [%eval 0.03] } { Inaccuracy. Qg4 was best. } { [%clk 0:28:53] } 24... d4 { [%eval 0.08] [%clk 1:06:50] } 25. cxd4 { [%eval -0.19] [%clk 0:07:46] } 25... Qxb4 { [%eval -0.25] [%clk 1:06:40] } 26. Na6 { [%eval -0.19] [%clk 0:08:04] } 26... Qb1+ { [%eval -0.07] [%clk 1:06:09] } 27. Rxb1 { [%eval -0.18] [%clk 0:06:17] } 27... Rxb1+ { [%eval -0.06] [%clk 1:06:34] } 28. Qf1 { [%eval -0.05] [%clk 0:06:45] } 28... Rxf1+ { [%eval -0.23] [%clk 1:06:56] } 29. Kxf1 { [%eval -0.1] [%clk 0:07:13] } 29... Rd8 { [%eval -0.07] [%clk 1:06:47] } 30. Nc5?! { [%eval -0.8] } { Inaccuracy. Nb4 was best. } { [%clk 0:04:02] } 30... Rxd4 { [%eval -0.85] [%clk 1:05:22] } 31. Rxa7 { [%eval -0.87] [%clk 0:04:15] } 31... Bf3?! { [%eval 0.0] } { Inaccuracy. g5 was best. } { [%clk 1:05:00] } 32. Rd7 { [%eval 0.0] [%clk 0:03:45] } 32... Rxd7 { [%eval 0.01] [%clk 1:04:05] } 33. Nxd7 { [%eval 0.03] [%clk 0:04:14] } 1/2-1/2