Event: Skol-SM 2021, grupp B
Site: Helsingborg Arena, Helsingborg, Sweden
Date: 2021-10-09
White: Ostlund, Joar
WhiteElo: 1700
Black: Buchert, Matthaus
BlackElo: 1408
Result: 1-0
ECO: A59
Opening: Benko Gambit Accepted: King Walk Variation
Variant: Standard
TimeControl: 45 minutes + 10 seconds per move from move one.

1. d4 { [%eval 0.0] [%clk 0:45:18] } 1... Nf6 { [%eval 0.27] [%clk 0:45:08] } 2. c4 { [%eval 0.11] [%clk 0:45:25] } 2... c5?! { [%eval 0.92] } { Inaccuracy. e6 was best. } { [%clk 0:45:16] } 3. d5 { [%eval 0.52] [%clk 0:45:33] } 3... b5 { [%eval 0.8] [%clk 0:45:25] } 4. cxb5 { [%eval 0.81] [%clk 0:45:41] } 4... a6 { [%eval 0.74] [%clk 0:45:34] } 5. bxa6 { [%eval 0.74] [%clk 0:45:48] } 5... g6 { [%eval 0.77] [%clk 0:45:42] } 6. Nc3 { [%eval 0.78] [%clk 0:45:54] } 6... Bxa6 { [%eval 1.23] [%clk 0:45:48] } 7. Nf3 { [%eval 0.86] [%clk 0:46:00] } 7... Bg7 { [%eval 0.54] [%clk 0:45:53] } 8. e4 { [%eval 0.8] [%clk 0:46:07] } 8... Bxf1?! { [%eval 1.35] } { Inaccuracy. Qa5 was best. } { [%clk 0:45:57] } 9. Kxf1 { [%eval 1.5] [%clk 0:46:15] } 9... d6 { [%eval 1.63] [%clk 0:46:04] } 10. g3 { [%eval 1.65] [%clk 0:46:22] } 10... O-O { [%eval 1.42] [%clk 0:46:11] } 11. Kg2 { [%eval 1.55] [%clk 0:46:30] } 11... Nbd7 { [%eval 1.66] [%clk 0:46:18] } 12. a4 { [%eval 1.47] [%clk 0:46:30] } 12... Ng4 { [%eval 1.74] [%clk 0:42:58] } 13. Qc2 { [%eval 1.67] [%clk 0:40:17] } 13... Qa5 { [%eval 1.53] [%clk 0:38:25] } 14. Bd2 { [%eval 1.63] [%clk 0:38:19] } 14... Qa6 { [%eval 1.7] [%clk 0:37:11] } 15. Nb5?! { [%eval 0.87] } { Inaccuracy. Rhe1 was best. } { [%clk 0:37:31] } 15... Rfc8? { [%eval 1.98] } { Mistake. f5 was best. } { [%clk 0:35:35] } 16. h3 { [%eval 1.71] [%clk 0:36:37] } 16... Nge5 { [%eval 1.9] [%clk 0:34:30] } 17. Nxe5 { [%eval 1.62] [%clk 0:36:40] } 17... Bxe5 { [%eval 1.41] [%clk 0:32:20] } 18. f4 { [%eval 1.41] [%clk 0:35:37] } 18... Bd4 { [%eval 1.22] [%clk 0:31:30] } 19. Bc3 { [%eval 1.47] [%clk 0:33:47] } 19... Bxc3 { [%eval 1.18] [%clk 0:29:36] } 20. Nxc3? { [%eval -0.01] } { Mistake. bxc3 was best. } { [%clk 0:33:00] } 20... c4 { [%eval -0.04] [%clk 0:27:56] } 21. Rhf1 { [%eval -0.02] [%clk 0:22:51] } 21... Nc5 { [%eval -0.16] [%clk 0:16:37] } 22. Qe2?! { [%eval -0.93] } { Inaccuracy. Nb5 was best. } { [%clk 0:21:38] } 22... Nd3? { [%eval 0.54] } { Mistake. Rcb8 was best. } { [%clk 0:12:28] } 23. Nb5 { [%eval 0.15] [%clk 0:19:28] } 23... Qa5?? { [%eval 1.86] } { Blunder. Nc5 was best. } { [%clk 0:06:07] } 24. b3 { [%eval 1.77] [%clk 0:17:55] } 24... Qb4 { [%eval 2.01] [%clk 0:04:34] } 25. bxc4?? { [%eval 0.08] } { Blunder. Rab1 was best. } { [%clk 0:16:47] } 25... Qxc4 { [%eval -0.02] [%clk 0:04:38] } 26. Kh1 { [%eval -0.18] [%clk 0:14:24] } 26... Qc2 { [%eval 0.0] [%clk 0:03:34] } 27. Qxc2 { [%eval 0.0] [%clk 0:13:08] } 27... Rxc2 { [%eval 0.02] [%clk 0:03:42] } 28. Kg1 { [%eval 0.0] [%clk 0:12:14] } 28... Nc5 { [%eval 0.02] [%clk 0:02:55] } 29. a5 { [%eval 0.0] [%clk 0:10:26] } 29... Nxe4 { [%eval 0.0] [%clk 0:02:31] } 30. a6 { [%eval 0.0] [%clk 0:05:12] } 30... Nxg3 { [%eval 0.0] [%clk 0:00:58] } 31. Rf2 { [%eval 0.0] [%clk 0:05:21] } 31... Rxf2? { [%eval 1.34] } { Mistake. Rc4 was best. } { [%clk 0:00:20] } 32. Kxf2 { [%eval 1.35] [%clk 0:05:29] } 32... Ne4+ { [%eval 1.32] [%clk 0:00:29] } 33. Ke3 { [%eval 1.38] [%clk 0:03:54] } 33... f5?? { [%eval 4.33] } { Blunder. Nf6 was best. } { [%clk 0:00:13] } 34. a7 { [%eval 4.23] [%clk 0:03:53] } 34... Kf7 { [%eval 4.5] [%clk 0:00:12] } 35. Nc7 { [%eval 4.49] [%clk 0:03:56] } 35... Rxa7 { [%eval 4.34] [%clk 0:00:20] } 36. Rxa7 { [%eval 4.53] [%clk 0:04:04] } 36... Nc3?! { [%eval 6.21] } { Inaccuracy. h6 was best. } { [%clk 0:00:19] } 37. Kd3 { [%eval 6.48] [%clk 0:03:30] } 37... Nd1 { [%eval 8.12] [%clk 0:00:17] } 38. Ra2 { [%eval 8.13] [%clk 0:03:33] } 38... h5 { [%eval 11.54] [%clk 0:00:11] } 39. Rd2 { [%eval 11.8] [%clk 0:03:41] } 39... Nf2+?! { [%eval #14] } { Checkmate is now unavoidable. Kf6 was best. } { [%clk 0:00:12] } 40. Rxf2 { [%eval #14] [%clk 0:03:49] } 40... Kf6 { [%eval 60.79] [%clk 0:00:14] } 41. Ne6 { [%eval #10] [%clk 0:03:53] } 41... Kf7 { [%eval #10] [%clk 0:00:17] } 42. Rc2 { [%eval #9] [%clk 0:03:57] } 42... Kf6 { [%eval #9] [%clk 0:00:12] } 43. Rc8 { [%eval #8] [%clk 0:04:02] } 43... Kf7 { [%eval #1] [%clk 0:00:17] } 44. Rf8# { [%clk 0:04:09] } 1-0