Event: Porsgrunn Grand Prix 2023
Site: Campus Porsgrunn USN
Date: 2023-09-23
White: Jan Ove Lorentzen
WhiteElo: 1494
Black: Paul Martin
BlackElo: 1879
Result: 0-1
ECO: D01
Opening: Rapport-Jobava System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:50] } 1... d5 { [%eval 0.27] } 2. Nc3 { [%eval -0.12] } 2... Nf6 { [%eval -0.02] [%clk 1:31:11] } 3. Bf4 { [%eval 0.0] [%clk 1:31:23] } 3... Bf5 { [%eval 0.0] } 4. e3 { [%eval 0.0] } 4... e6 { [%eval 0.0] [%clk 1:29:35] } 5. a3 { [%eval -0.27] [%clk 1:32:07] } 5... a6 { [%eval -0.1] } 6. Nf3 { [%eval -0.25] [%clk 1:32:31] } 6... c5 { [%eval -0.17] [%clk 1:28:17] } 7. Ne5 { [%eval -0.44] [%clk 1:32:59] } 7... Nc6 { [%eval -0.13] [%clk 1:27:01] } 8. Be2 { [%eval -0.52] [%clk 1:32:29] } 8... Nxe5 { [%eval -0.45] } 9. dxe5 { [%eval -0.38] } 9... Nd7 { [%eval -0.21] [%clk 1:24:36] } 10. h4 { [%eval -0.25] [%clk 1:33:27] } 10... h6 { [%eval -0.13] [%clk 1:22:54] } 11. Bd3 { [%eval -0.2] [%clk 1:33:55] } 11... Bxd3 { [%eval 0.02] [%clk 1:22:50] } 12. cxd3 { [%eval 0.13] [%clk 1:34:24] } 12... Be7 { [%eval 0.0] [%clk 1:22:05] } 13. Qg4 { [%eval -0.03] } 13... Kf8?! { [%eval 0.58] } { Inaccuracy. Rg8 was best. } { [%clk 1:22:04] } 14. h5 { [%eval 0.45] [%clk 1:35:20] } 14... b5 { [%eval 0.56] [%clk 1:20:27] } 15. Ke2?! { [%eval -0.37] } { Inaccuracy. Bg3 was best. } { [%clk 1:35:24] } 15... Rb8?! { [%eval 0.18] } { Inaccuracy. Kg8 was best. } { [%clk 1:12:37] } 16. Rh3 { [%eval 0.0] [%clk 1:35:53] } 16... Kg8 { [%eval 0.31] } 17. Rg3 { [%eval 0.12] } 17... Bf8 { [%eval 0.35] [%clk 1:12:40] } 18. b4?! { [%eval -0.44] } { Inaccuracy. Kf1 was best. } { [%clk 1:36:51] } 18... cxb4 { [%eval -0.8] [%clk 1:12:23] } 19. axb4 { [%eval -0.71] [%clk 1:37:20] } 19... Qe7 { [%eval -0.57] [%clk 1:08:56] } 20. Rb1 { [%eval -0.64] [%clk 1:36:50] } 20... Nb6?! { [%eval -0.06] } { Inaccuracy. Rc8 was best. } { [%clk 1:08:37] } 21. Na2?! { [%eval -0.99] } { Inaccuracy. Kf1 was best. } { [%clk 1:35:12] } 21... Rc8 { [%eval -0.84] [%clk 1:07:56] } 22. Rb2?? { [%eval -2.75] } { Blunder. Kf1 was best. } { [%clk 1:35:38] } 22... Na4 { [%eval -2.91] [%clk 1:06:55] } 23. Rd2 { [%eval -2.86] [%clk 1:36:07] } 23... Nc3+?! { [%eval -1.86] } { Inaccuracy. a5 was best. } 24. Nxc3 { [%eval -1.93] } 24... Rxc3 { [%eval -2.04] [%clk 1:07:26] } 25. Rb2 { [%eval -2.21] [%clk 1:36:59] } 25... Qc7 { [%eval -2.26] [%clk 1:06:54] } 26. e4 { [%eval -1.89] [%clk 1:37:28] } 26... dxe4 { [%eval -2.06] [%clk 1:04:38] } 27. Bd2?? { [%eval -5.42] } { Blunder. Rb1 was best. } { [%clk 1:37:57] } 27... exd3+ { [%eval -5.44] } 28. Rxd3 { [%eval -6.3] [%clk 1:38:24] } 28... Qxe5+ { [%eval -6.19] [%clk 1:04:22] } 29. Be3 { [%eval -6.36] [%clk 1:38:04] } 29... Rxd3 { [%eval -6.22] [%clk 1:04:04] } 30. Kxd3 { [%eval -6.54] [%clk 1:38:33] } 30... Qxb2 { [%eval -6.47] [%clk 1:03:13] } 31. Bd2 { [%eval -6.47] [%clk 1:39:01] } 31... Qb3+ { [%eval -6.45] } 32. Bc3 { [%eval -6.42] } 32... a5 { [%eval -6.79] [%clk 1:00:08] } 33. Kd2 { [%eval -7.29] [%clk 1:39:49] } 33... axb4 { [%eval -7.39] [%clk 0:59:49] } 34. Bf6 { [%eval -7.78] [%clk 1:40:18] } 34... Qc4 { [%eval -7.98] } 35. Qg3 { [%eval -8.72] } 35... b3 { [%eval -8.84] [%clk 0:58:48] } 36. Be5 { [%eval -13.57] [%clk 1:41:13] } 36... Bb4+ { [%eval -13.06] [%clk 0:57:14] } 37. Ke3?! { [%eval #-10] } { Checkmate is now unavoidable. Bc3 was best. } 37... Bc5+ { [%eval #-9] } 38. Kd2 { [%eval #-9] } 38... Qc2+ { [%eval #-8] } 39. Ke1 { [%eval #-8] [%clk 1:42:39] } 39... Bb4+ { [%eval #-7] [%clk 0:57:49] } 0-1