Event: Round 9: Kummer, Helmut - Spierings, Benjamin
Date: 2025-06-20
White: Kummer, Helmut
WhiteTitle: IM
WhiteElo: 2116
Black: Spierings, Benjamin
BlackElo: 1789
Result: 1-0
ECO: A57
Opening: Benko Gambit Accepted: Pawn Return Variation
Variant: Standard
TimeControl: 15+10

1. d4 { [%eval 0.17] [%clk 0:15:18] } 1... Nf6 { [%eval 0.19] [%clk 0:15:19] } 2. c4 { [%eval 0.18] [%clk 0:15:26] } 2... c5 { [%eval 0.56] [%clk 0:15:27] } 3. d5 { [%eval 0.47] [%clk 0:15:33] } 3... b5 { [%eval 0.47] [%clk 0:15:36] } 4. cxb5 { [%eval 0.47] [%clk 0:15:36] } 4... a6 { [%eval 0.6] [%clk 0:15:45] } 5. b6 { [%eval 0.15] [%clk 0:15:23] } 5... Qxb6 { [%eval 0.47] [%clk 0:15:42] } 6. Nc3 { [%eval 0.38] [%clk 0:15:31] } 6... g6 { [%eval 0.59] [%clk 0:15:50] } 7. e4 { [%eval 0.43] [%clk 0:15:31] } 7... d6 { [%eval 0.46] [%clk 0:15:53] } 8. Nf3 { [%eval 0.5] [%clk 0:15:28] } 8... Bg7 { [%eval 0.52] [%clk 0:16:01] } 9. a4 { [%eval 0.33] [%clk 0:14:35] } 9... O-O { [%eval 0.49] [%clk 0:15:23] } 10. a5 { [%eval 0.3] [%clk 0:14:18] } 10... Qb7 { [%eval 0.3] [%clk 0:14:59] } 11. Nd2 { [%eval -0.01] [%clk 0:14:11] } 11... Nbd7?! { [%eval 0.57] } { Inaccuracy. e6 was best. } { [%clk 0:13:30] } 12. Nc4 { [%eval 0.6] [%clk 0:14:02] } 12... Rb8 { [%eval 0.63] [%clk 0:13:17] } 13. Be2 { [%eval 0.62] [%clk 0:13:30] } 13... Ne5?! { [%eval 1.3] } { Inaccuracy. Ne8 was best. } { [%clk 0:12:20] } 14. Nb6?! { [%eval 0.63] } { Inaccuracy. Nxe5 was best. } { [%clk 0:12:44] } 14... Ned7 { [%eval 0.6] [%clk 0:12:22] } 15. Nc4 { [%eval 0.54] [%clk 0:12:00] } 15... Ne5?! { [%eval 1.46] } { Inaccuracy. Ne8 was best. } { [%clk 0:12:30] } 16. Nxe5 { [%eval 1.45] [%clk 0:11:21] } 16... dxe5 { [%eval 1.32] [%clk 0:12:39] } 17. O-O { [%eval 1.41] [%clk 0:11:11] } 17... Bd7 { [%eval 1.69] [%clk 0:12:19] } 18. Bc4 { [%eval 1.77] [%clk 0:10:47] } 18... Qb4 { [%eval 2.25] [%clk 0:12:11] } 19. Qe2 { [%eval 2.29] [%clk 0:10:14] } 19... Bb5 { [%eval 2.59] [%clk 0:11:42] } 20. Bxb5 { [%eval 2.61] [%clk 0:08:43] } 20... axb5 { [%eval 2.21] [%clk 0:11:50] } 21. f3 { [%eval 2.26] [%clk 0:08:22] } 21... Rfc8?! { [%eval 2.94] } { Inaccuracy. Ra8 was best. } { [%clk 0:09:07] } 22. Be3 { [%eval 2.69] [%clk 0:07:45] } 22... Nd7 { [%eval 3.19] [%clk 0:07:50] } 23. d6?! { [%eval 2.29] } { Inaccuracy. a6 was best. } { [%clk 0:05:55] } 23... e6 { [%eval 2.27] [%clk 0:07:36] } 24. Rfd1 { [%eval 2.06] [%clk 0:06:03] } 24... c4? { [%eval 3.88] } { Mistake. Bf6 was best. } { [%clk 0:06:53] } 25. a6?! { [%eval 2.77] } { Inaccuracy. Ra3 was best. } { [%clk 0:05:49] } 25... Ra8?! { [%eval 3.79] } { Inaccuracy. Rc6 was best. } { [%clk 0:06:31] } 26. a7?! { [%eval 2.78] } { Inaccuracy. Ra3 was best. } { [%clk 0:05:06] } 26... Bf8?! { [%eval 3.91] } { Inaccuracy. Rc6 was best. } { [%clk 0:06:40] } 27. Ra6 { [%eval 4.15] [%clk 0:04:10] } 27... Nc5 { [%eval 4.35] [%clk 0:06:09] } 28. Bxc5?! { [%eval 3.08] } { Inaccuracy. Na2 was best. } { [%clk 0:03:43] } 28... Qxc5+ { [%eval 2.89] [%clk 0:06:17] } 29. Qf2 { [%eval 3.0] [%clk 0:03:45] } 29... b4?! { [%eval 4.66] } { Inaccuracy. Qb4 was best. } { [%clk 0:03:38] } 30. Qxc5 { [%eval 4.5] [%clk 0:03:33] } 30... Rxc5 { [%eval 4.54] [%clk 0:03:46] } 31. Na4 { [%eval 4.49] [%clk 0:03:27] } 31... Rb5 { [%eval 4.64] [%clk 0:03:33] } 32. d7?! { [%eval 3.54] } { Inaccuracy. Nb6 was best. } { [%clk 0:03:04] } 32... Be7 { [%eval 3.56] [%clk 0:03:41] } 33. d8=Q+ { [%eval 3.6] [%clk 0:01:30] } 33... Bxd8 { [%eval 3.38] [%clk 0:03:41] } 34. Rxd8+ { [%eval 3.59] [%clk 0:01:37] } 34... Rxd8 { [%eval 3.58] [%clk 0:03:49] } 35. a8=Q { [%eval 3.56] [%clk 0:01:44] } 35... Rxa8 { [%eval 3.46] [%clk 0:03:51] } 36. Rxa8+ { [%eval 3.44] [%clk 0:01:52] } 36... Kg7 { [%eval 3.4] [%clk 0:03:59] } 37. Kf2 { [%eval 3.39] [%clk 0:01:42] } 37... Rb7 { [%eval 3.34] [%clk 0:03:06] } 38. Ke2 { [%eval 3.11] [%clk 0:01:50] } 38... Rc7 { [%eval 3.33] [%clk 0:02:54] } 39. Kd2 { [%eval 3.21] [%clk 0:01:17] } 39... Rd7+ { [%eval 3.59] [%clk 0:02:17] } 40. Kc2 { [%eval 3.45] [%clk 0:01:22] } 40... f5?! { [%eval 4.63] } { Inaccuracy. h5 was best. } { [%clk 0:02:02] } 41. Nc5 { [%eval 4.46] [%clk 0:01:12] } 41... Rd6?! { [%eval 6.0] } { Inaccuracy. b3+ was best. } { [%clk 0:01:48] } 42. Ra6 { [%eval 5.8] [%clk 0:01:16] } 42... Rxa6 { [%eval 6.39] [%clk 0:01:21] } 43. Nxa6 { [%eval 6.32] [%clk 0:01:24] } 43... Kf6 { [%eval 6.34] [%clk 0:01:30] } 44. Nxb4 { [%eval 7.12] [%clk 0:01:05] } 44... Kg5 { [%eval 7.24] [%clk 0:01:26] } 45. Kc3 { [%eval 7.08] [%clk 0:00:58] } 45... Kf4 { [%eval 7.35] [%clk 0:01:22] } 46. Kxc4 { [%eval 7.11] [%clk 0:01:06] } 46... fxe4 { [%eval 7.36] [%clk 0:01:30] } 47. fxe4 { [%eval 7.14] [%clk 0:01:14] } 47... Kxe4?! { [%eval 13.3] } { Inaccuracy. Ke3 was best. } { [%clk 0:01:39] } 48. Nc2 { [%eval 9.17] [%clk 0:01:21] } 48... Kf4 { [%eval 8.78] [%clk 0:01:23] } 49. b4 { [%eval #16] [%clk 0:01:29] } 49... e4 { [%eval #15] [%clk 0:01:32] } 50. b5 { [%eval #14] [%clk 0:01:31] } 50... Ke5 { [%eval #14] [%clk 0:01:39] } 51. Kc5 { [%eval #18] [%clk 0:01:39] } 1-0