Event: Porsgrunn Grand Prix 2023
Site: Campus Porsgrunn USN
Date: 2023-09-23
White: Frode Halvorsen
WhiteElo: 1385
Black: David Kristiansen
BlackElo: 1301
Result: 1-0
ECO: B12
Opening: Caro-Kann Defense: Advance Variation, Van der Wiel Attack
Variant: Standard

1. e4 { [%eval 0.36] } 1... c6 { [%eval 0.37] } 2. d4 { [%eval 0.41] [%clk 1:31:00] } 2... d5 { [%eval 0.28] [%clk 1:31:22] } 3. e5 { [%eval 0.28] } 3... Bf5 { [%eval 0.5] } 4. Nc3 { [%eval 0.0] } 4... e6 { [%eval 0.0] } 5. f4 { [%eval -0.36] [%clk 1:31:57] } 5... c5 { [%eval -0.21] [%clk 1:32:34] } 6. Be3 { [%eval -0.16] [%clk 1:31:57] } 6... Qb6?! { [%eval 0.42] } { Inaccuracy. cxd4 was best. } { [%clk 1:32:32] } 7. Na4?! { [%eval -0.42] } { Inaccuracy. dxc5 was best. } 7... Qa5+ { [%eval -0.16] [%clk 1:32:40] } 8. c3 { [%eval -0.42] [%clk 1:30:46] } 8... cxd4 { [%eval -0.12] [%clk 1:31:53] } 9. b4 { [%eval -0.06] [%clk 1:26:23] } 9... Qc7 { [%eval -0.14] [%clk 1:25:03] } 10. Bxd4 { [%eval -0.15] [%clk 1:23:54] } 10... Nc6 { [%eval 0.03] [%clk 1:25:13] } 11. Bc5?! { [%eval -1.05] } { Inaccuracy. Nf3 was best. } { [%clk 1:23:29] } 11... Bxc5 { [%eval -1.11] [%clk 1:23:20] } 12. Nxc5 { [%eval -1.14] [%clk 1:23:53] } 12... Nge7 { [%eval -0.98] [%clk 1:21:53] } 13. Nf3 { [%eval -0.96] [%clk 1:20:54] } 13... O-O { [%eval -0.99] [%clk 1:20:30] } 14. Bd3?! { [%eval -2.13] } { Inaccuracy. Be2 was best. } { [%clk 1:20:59] } 14... Rfd8?! { [%eval -1.15] } { Inaccuracy. a5 was best. } { [%clk 1:17:34] } 15. Nd4? { [%eval -2.62] } { Mistake. g4 was best. } { [%clk 1:18:55] } 15... Bxd3?! { [%eval -1.95] } { Inaccuracy. Nxd4 was best. } { [%clk 1:16:08] } 16. Qxd3 { [%eval -1.97] [%clk 1:18:06] } 16... Nxd4 { [%eval -1.96] [%clk 1:15:47] } 17. cxd4 { [%eval -2.07] [%clk 1:17:39] } 17... Rac8 { [%eval -2.05] [%clk 1:15:25] } 18. O-O { [%eval -2.13] [%clk 1:17:43] } 18... b6 { [%eval -2.22] [%clk 1:15:11] } 19. Nb3 { [%eval -2.1] [%clk 1:11:03] } 19... Qc4 { [%eval -2.17] [%clk 1:01:55] } 20. Qd2 { [%eval -2.14] [%clk 0:50:39] } 20... Nc6?! { [%eval -1.11] } { Inaccuracy. Qc2 was best. } { [%clk 1:00:25] } 21. Rfc1?! { [%eval -1.72] } { Inaccuracy. f5 was best. } { [%clk 0:40:56] } 21... Qxb4 { [%eval -1.78] [%clk 0:56:06] } 22. Rc3 { [%eval -1.67] [%clk 0:31:40] } 22... Na5?? { [%eval 5.85] } { Blunder. Qf8 was best. } { [%clk 0:48:32] } 23. Rxc8 { [%eval 5.87] [%clk 0:27:52] } 23... Qe7 { [%eval 5.96] [%clk 0:45:44] } 24. Rxd8+ { [%eval 6.13] } 24... Qxd8 { [%eval 5.87] } 25. Nxa5 { [%eval 5.89] } 25... bxa5 { [%eval 6.03] } 26. Rb1 { [%eval 5.98] [%clk 0:27:30] } 26... h6 { [%eval 5.91] [%clk 0:46:58] } 27. Rb7 { [%eval 5.51] } 27... Qc8 { [%eval 5.95] } 28. Qb2 { [%eval 5.24] } 28... Qc4 { [%eval 5.75] [%clk 0:47:21] } 29. Rxa7 { [%eval 5.78] [%clk 0:27:29] } 29... a4?? { [%eval #6] } { Checkmate is now unavoidable. Qd3 was best. } 30. Rb7?? { [%eval 5.84] } { Lost forced checkmate sequence. Qb8+ was best. } 30... Qd3 { [%eval 5.78] } 31. Qb1 { [%eval 5.2] [%clk 0:28:05] } 31... Qe3+ { [%eval 5.1] [%clk 0:48:15] } 32. Kh1 { [%eval 5.39] [%clk 0:28:25] } 32... g6 { [%eval 5.43] [%clk 0:48:39] } 33. Rb4 { [%eval 5.28] } 33... Qxf4 { [%eval 5.89] } 34. Rxa4 { [%eval 5.74] } 34... h5 { [%eval 5.88] } 35. Rb4 { [%eval 5.61] [%clk 0:28:36] } 35... h4 { [%eval 6.06] [%clk 0:49:40] } 36. h3 { [%eval 6.19] [%clk 0:27:14] } 36... Kg7 { [%eval 6.2] [%clk 0:49:59] } 37. Qa1 { [%eval 6.09] [%clk 0:24:51] } 37... Qd2 { [%eval 6.26] [%clk 0:50:20] } 38. Rb1 { [%eval 6.59] } 38... Qa5 { [%eval 6.54] [%clk 0:50:42] } 39. a4 { [%eval 6.52] [%clk 0:25:14] } 39... g5 { [%eval 6.75] } 40. Rb5 { [%eval 6.74] } 40... Qa6 { [%eval 7.24] [%clk 0:51:32] } 41. Qa3 { [%eval 6.52] [%clk 0:25:00] } 41... Kh6 { [%eval 7.08] [%clk 0:51:44] } 42. Qe7 { [%eval 38.75] [%clk 0:23:45] } 42... Qxa4?! { [%eval #5] } { Checkmate is now unavoidable. Qc8 was best. } 43. Qf6+ { [%eval #4] [%clk 0:23:59] } 43... Kh5 { [%eval #4] [%clk 0:52:02] } 44. Qxf7+ { [%eval #4] } 44... Kh6 { [%eval #4] } 45. Qxe6+ { [%eval #3] } 45... Kh5 { [%eval #3] } 46. Qg4+ { [%eval #4] [%clk 0:24:52] } 46... Kg6 { [%eval #4] [%clk 0:53:13] } 47. Rb6+ { [%eval #4] } 47... Kf7 { [%eval #4] } 48. Qe6+ { [%eval #4] } 48... Kg7 { [%eval #3] } 49. Rb7+ { [%eval #2] } 49... Kh8 { [%eval #2] [%clk 0:53:53] } 50. Qc8+ { [%eval #1] [%clk 0:25:51] } 50... Qe8 { [%eval #1] [%clk 0:54:20] } 51. Qxe8# { [%clk 0:25:51] } 1-0