Event: Round 6: Jan Kokoszczynski - Piotr Brzezina
Date: 2023-07-06
White: Jan Kokoszczynski
Black: Piotr Brzezina
Result: 1-0
ECO: D96
Opening: Grünfeld Defense: Russian Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:29:19] } 1... Nf6 { [%eval 0.28] [%clk 1:30:56] } 2. c4 { [%eval 0.16] [%clk 1:29:43] } 2... g6 { [%eval 0.3] [%clk 1:31:24] } 3. Nc3 { [%eval 0.31] [%clk 1:29:03] } 3... d5 { [%eval 0.2] [%clk 1:31:50] } 4. Nf3 { [%eval 0.22] [%clk 1:29:05] } 4... Bg7 { [%eval 0.27] [%clk 1:32:02] } 5. Qb3 { [%eval 0.26] [%clk 1:28:49] } 5... dxc4 { [%eval 0.37] [%clk 1:31:11] } 6. Qxc4 { [%eval 0.25] [%clk 1:29:13] } 6... a6 { [%eval 0.59] [%clk 1:30:58] } 7. e4?! { [%eval 0.0] } { Inaccuracy. Bf4 was best. } { [%clk 1:27:57] } 7... b5 { [%eval 0.13] [%clk 1:30:30] } 8. Qd3 { [%eval -0.26] [%clk 1:18:55] } 8... Bb7 { [%eval 0.15] [%clk 1:27:17] } 9. a3?! { [%eval -0.58] } { Inaccuracy. e5 was best. } { [%clk 1:15:48] } 9... Nbd7?! { [%eval 0.0] } { Inaccuracy. c5 was best. } { [%clk 1:08:17] } 10. Be2?! { [%eval -0.71] } { Inaccuracy. Be3 was best. } { [%clk 1:13:44] } 10... c5 { [%eval -0.74] [%clk 0:58:16] } 11. d5 { [%eval -0.76] [%clk 1:12:38] } 11... Qc7 { [%eval -0.86] [%clk 0:46:51] } 12. O-O { [%eval -0.9] [%clk 1:06:24] } 12... O-O { [%eval -0.97] [%clk 0:43:31] } 13. h3 { [%eval -1.5] [%clk 1:02:24] } 13... Rad8?! { [%eval -0.66] } { Inaccuracy. Rfe8 was best. } { [%clk 0:40:04] } 14. Bg5 { [%eval -0.88] [%clk 0:58:00] } 14... e6?! { [%eval 0.0] } { Inaccuracy. h6 was best. } { [%clk 0:26:29] } 15. dxe6 { [%eval 0.17] [%clk 0:53:36] } 15... fxe6 { [%eval 0.25] [%clk 0:26:53] } 16. Qe3 { [%eval 0.0] [%clk 0:53:49] } 16... Rde8 { [%eval 0.0] [%clk 0:25:25] } 17. Rac1 { [%eval 0.24] [%clk 0:43:48] } 17... Bc6?! { [%eval 0.84] } { Inaccuracy. Qc6 was best. } { [%clk 0:13:05] } 18. Bf4 { [%eval 0.59] [%clk 0:37:09] } 18... e5 { [%eval 0.51] [%clk 0:11:37] } 19. Bg5 { [%eval 0.47] [%clk 0:37:19] } 19... Qb7?! { [%eval 1.2] } { Inaccuracy. Nh5 was best. } { [%clk 0:09:08] } 20. Nd2 { [%eval 1.04] [%clk 0:37:21] } 20... c4? { [%eval 2.29] } { Mistake. Rf7 was best. } { [%clk 0:05:46] } 21. b3 { [%eval 1.85] [%clk 0:26:44] } 21... cxb3 { [%eval 2.03] [%clk 0:05:51] } 22. Nxb3 { [%eval 2.26] } 22... Bxe4 { [%eval 2.72] [%clk 0:01:43] } 23. Bxf6 { [%eval 2.64] [%clk 0:25:26] } 23... Bxg2 { [%eval 3.03] [%clk 0:02:07] } 24. Bxg7? { [%eval 1.49] } { Mistake. Na5 was best. } { [%clk 0:22:05] } 24... Bxf1 { [%eval 1.61] [%clk 0:02:31] } 25. Bxf1 { [%eval 1.53] [%clk 0:22:29] } 25... Kxg7 { [%eval 1.85] [%clk 0:02:30] } 26. Ne4 { [%eval 1.44] [%clk 0:22:18] } 26... Qb6? { [%eval 2.71] } { Mistake. Re7 was best. } { [%clk 0:01:43] } 27. Rd1 { [%eval 3.02] [%clk 0:14:32] } 27... Qc7 { [%eval 3.68] [%clk 0:01:59] } 28. Rd6 { [%eval 3.17] [%clk 0:14:36] } 28... Nf6?! { [%eval 4.17] } { Inaccuracy. Rf4 was best. } { [%clk 0:01:03] } 29. Rxa6 { [%eval 3.81] [%clk 0:14:39] } 29... Re7 { [%eval 3.87] [%clk 0:00:35] } 30. Nxf6 { [%eval 3.63] [%clk 0:09:31] } 30... Rxf6 { [%eval 4.02] [%clk 0:01:01] } 31. Rxf6 { [%eval 3.87] [%clk 0:09:32] } 31... Kxf6 { [%eval 3.91] [%clk 0:01:25] } 32. Bxb5 { [%eval 4.12] [%clk 0:09:51] } 32... Qc2 { [%eval 4.62] [%clk 0:01:01] } 33. Nc5 { [%eval 3.88] [%clk 0:09:46] } 33... Qb1+ { [%eval 4.43] [%clk 0:01:15] } 34. Bf1 { [%eval 3.9] [%clk 0:10:15] } 34... Kg7 { [%eval 3.85] [%clk 0:01:08] } 35. Kg2 { [%eval 4.23] [%clk 0:06:12] } 35... Qb6 { [%eval 3.8] [%clk 0:00:42] } 36. Bc4 { [%eval 3.58] [%clk 0:03:03] } 36... Qc6+ { [%eval 3.7] [%clk 0:00:57] } 37. Kg1 { [%eval 3.86] [%clk 0:03:24] } 37... Qd6 { [%eval 4.45] [%clk 0:00:55] } 38. Ne4 { [%eval 3.74] [%clk 0:02:59] } 38... Qc6 { [%eval 4.04] [%clk 0:01:03] } 39. Bf1 { [%eval 4.0] [%clk 0:02:39] } 39... Rd7 { [%eval 4.07] [%clk 0:00:32] } 40. a4 { [%eval 4.09] [%clk 0:00:38] } 40... Rd4 { [%eval 4.87] [%clk 0:00:32] } 41. Nc3 { [%eval 5.34] [%clk 0:00:37] } 41... Qf6 { [%eval 6.56] [%clk 0:00:42] } 42. a5 { [%eval 6.35] [%clk 0:14:34] } 42... e4 { [%eval 6.73] [%clk 0:11:44] } 43. a6 { [%eval 6.64] [%clk 0:14:15] } 43... Rd7 { [%eval 7.68] [%clk 0:11:39] } 44. Nxe4 { [%eval 6.98] [%clk 0:14:02] } 44... Qe5 { [%eval 7.21] [%clk 0:11:42] } 45. Nc5 { [%eval 7.2] [%clk 0:13:42] } 1-0