Event: Round 6: Van Amerongen, Marleen - Steffens, Olaf
Date: 2025-07-21
White: Van Amerongen, Marleen
WhiteElo: 2056
Black: Steffens, Olaf
BlackTitle: FM
BlackElo: 2184
Result: 0-1
ECO: B00
Opening: Nimzowitsch Defense: Williams Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:26:01] } 1... Nc6 { [%eval 0.42] [%clk 1:29:56] } 2. Nf3 { [%eval 0.21] [%clk 1:26:08] } 2... d6 { [%eval 0.64] [%clk 1:30:06] } 3. d4 { [%eval 0.48] [%clk 1:26:29] } 3... Nf6 { [%eval 0.59] [%clk 1:30:11] } 4. Nc3 { [%eval 0.51] [%clk 1:26:42] } 4... g6 { [%eval 0.55] [%clk 1:30:22] } 5. Bb5 { [%eval 0.4] [%clk 1:22:50] } 5... a6 { [%eval 0.33] [%clk 1:28:51] } 6. Bxc6+ { [%eval 0.39] [%clk 1:23:13] } 6... bxc6 { [%eval 0.48] [%clk 1:29:05] } 7. O-O { [%eval 0.31] [%clk 1:23:05] } 7... Bg7 { [%eval 0.39] [%clk 1:28:58] } 8. h3 { [%eval 0.35] [%clk 1:22:52] } 8... O-O { [%eval 0.34] [%clk 1:28:16] } 9. Bf4 { [%eval 0.13] [%clk 1:21:13] } 9... Rb8 { [%eval 0.24] [%clk 1:25:03] } 10. Rb1 { [%eval 0.12] [%clk 1:21:07] } 10... Nd7 { [%eval 0.11] [%clk 1:16:19] } 11. Qd2 { [%eval 0.11] [%clk 1:17:43] } 11... c5 { [%eval 0.19] [%clk 1:13:15] } 12. d5 { [%eval 0.07] [%clk 1:10:27] } 12... e5 { [%eval 0.11] [%clk 1:05:56] } 13. Bh6 { [%eval -0.4] [%clk 0:58:33] } 13... f5 { [%eval -0.01] [%clk 1:02:58] } 14. Bxg7 { [%eval -0.06] [%clk 0:48:43] } 14... Kxg7 { [%eval 0.0] [%clk 1:03:18] } 15. Ng5 { [%eval 0.0] [%clk 0:44:31] } 15... Nf6 { [%eval 0.0] [%clk 1:02:43] } 16. f4 { [%eval 0.0] [%clk 0:43:56] } 16... exf4 { [%eval 0.02] [%clk 0:49:14] } 17. Qxf4 { [%eval -0.31] [%clk 0:33:27] } 17... Nh5 { [%eval -0.05] [%clk 0:45:57] } 18. Qh4?! { [%eval -0.67] } { Inaccuracy. Qd2 was best. } { [%clk 0:31:58] } 18... h6?! { [%eval 0.0] } { Inaccuracy. f4 was best. } { [%clk 0:43:56] } 19. Ne6+ { [%eval 0.0] [%clk 0:28:54] } 19... Bxe6 { [%eval 0.0] [%clk 0:44:20] } 20. Qxd8 { [%eval 0.0] [%clk 0:29:19] } 20... Rbxd8 { [%eval 0.0] [%clk 0:42:24] } 21. dxe6 { [%eval 0.0] [%clk 0:29:40] } 21... Rde8 { [%eval 0.0] [%clk 0:35:35] } 22. exf5 { [%eval 0.0] [%clk 0:29:49] } 22... Rxf5 { [%eval 0.0] [%clk 0:34:42] } 23. Rxf5 { [%eval 0.0] [%clk 0:27:59] } 23... gxf5 { [%eval 0.0] [%clk 0:35:09] } 24. Rf1 { [%eval 0.0] [%clk 0:19:01] } 24... Kg6 { [%eval 0.0] [%clk 0:31:55] } 25. Nd5 { [%eval 0.0] [%clk 0:13:37] } 25... c6 { [%eval 0.0] [%clk 0:12:05] } 26. Nc7 { [%eval 0.0] [%clk 0:13:35] } 26... Re7 { [%eval 0.0] [%clk 0:11:46] } 27. Nxa6 { [%eval 0.0] [%clk 0:13:58] } 27... Rxe6 { [%eval 0.0] [%clk 0:11:02] } 28. Nb8? { [%eval -1.42] } { Mistake. a4 was best. } { [%clk 0:14:20] } 28... f4? { [%eval 0.03] } { Mistake. Ng3 was best. } { [%clk 0:08:56] } 29. Kf2 { [%eval 0.08] [%clk 0:08:39] } 29... Ng3 { [%eval 0.0] [%clk 0:07:01] } 30. Re1 { [%eval 0.0] [%clk 0:08:31] } 30... Ne4+ { [%eval 0.06] [%clk 0:07:20] } 31. Kf3 { [%eval -0.03] [%clk 0:06:42] } 31... Kf5 { [%eval -0.03] [%clk 0:07:15] } 32. Nxc6?? { [%eval -2.28] } { Blunder. a4 was best. } { [%clk 0:05:52] } 32... d5 { [%eval -2.38] [%clk 0:06:58] } 33. Nd8 { [%eval -2.45] [%clk 0:03:33] } 33... Rd6 { [%eval -2.41] [%clk 0:06:20] } 34. Nb7?! { [%eval -3.88] } { Inaccuracy. Nf7 was best. } { [%clk 0:03:09] } 34... Rb6 { [%eval -3.25] [%clk 0:06:07] } 35. Nd8 { [%eval -3.31] [%clk 0:02:13] } 35... Rd6?! { [%eval -2.36] } { Inaccuracy. Rxb2 was best. } { [%clk 0:04:19] } 36. Nb7? { [%eval -4.12] } { Mistake. Nf7 was best. } { [%clk 0:02:27] } 36... Rg6 { [%eval -3.86] [%clk 0:04:29] } 37. Rg1 { [%eval -4.52] [%clk 0:01:59] } 37... Rb6?! { [%eval -3.26] } { Inaccuracy. Rg3+ was best. } { [%clk 0:04:17] } 38. Nd8 { [%eval -3.56] [%clk 0:02:24] } 38... Rxb2 { [%eval -2.91] [%clk 0:04:26] } 39. Rd1 { [%eval -2.92] [%clk 0:02:20] } 39... d4 { [%eval -2.55] [%clk 0:04:22] } 40. Nc6? { [%eval -4.51] } { Mistake. Nf7 was best. } { [%clk 0:01:56] } 40... Ng5+ { [%eval -4.36] [%clk 0:04:12] } 41. Ke2 { [%eval -4.38] [%clk 0:02:08] } 41... Rxc2+ { [%eval -4.45] [%clk 0:04:35] } 42. Rd2 { [%eval -4.14] [%clk 0:02:25] } 42... Rc3 { [%eval -4.01] [%clk 0:03:41] } 43. Ne7+ { [%eval -4.98] [%clk 0:02:14] } 43... Ke4 { [%eval -5.12] [%clk 0:03:46] } 44. h4 { [%eval -5.24] [%clk 0:01:48] } 44... Ne6 { [%eval -5.13] [%clk 0:03:22] } 45. Ng8?! { [%eval -6.78] } { Inaccuracy. Kd1 was best. } { [%clk 0:02:07] } 45... Rg3 { [%eval -6.54] [%clk 0:02:22] } 46. Nxh6 { [%eval -7.71] [%clk 0:01:22] } 46... Rxg2+ { [%eval -7.68] [%clk 0:01:37] } 47. Ke1 { [%eval -9.01] [%clk 0:01:51] } 47... f3 { [%eval -8.54] [%clk 0:01:31] } 48. a4? { [%eval #-10] } { Checkmate is now unavoidable. Ng4 was best. } { [%clk 0:00:40] } 48... Nf4 { [%eval #-9] [%clk 0:00:51] } 49. Rxg2 { [%eval #-9] [%clk 0:00:40] } 49... fxg2 { [%eval #-8] [%clk 0:00:49] } 50. Kf2 { [%eval #-8] [%clk 0:01:09] } 50... d3 { [%eval #-7] [%clk 0:01:11] } 51. Ng4 { [%eval #-6] [%clk 0:01:32] } 51... d2 { [%eval #-5] [%clk 0:01:23] } 0-1