Event: Round 4: Verkooyen, Frank - Steffens, Olaf
Date: 2025-07-20
White: Verkooyen, Frank
WhiteElo: 2041
Black: Steffens, Olaf
BlackTitle: FM
BlackElo: 2184
Result: 1-0
ECO: A40
Opening: English Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:53] } 1... e6 { [%eval 0.37] [%clk 1:28:57] } 2. c4 { [%eval 0.16] [%clk 1:30:58] } 2... b6 { [%eval 0.34] [%clk 1:28:31] } 3. Nc3 { [%eval 0.28] [%clk 1:30:31] } 3... Bb7 { [%eval 0.26] [%clk 1:28:47] } 4. f3 { [%eval 0.36] [%clk 1:28:39] } 4... f5 { [%eval 0.33] [%clk 1:24:17] } 5. Nh3 { [%eval 0.25] [%clk 1:26:40] } 5... Nf6 { [%eval 0.36] [%clk 1:21:52] } 6. e3 { [%eval 0.32] [%clk 1:21:56] } 6... Be7 { [%eval 0.59] [%clk 1:16:06] } 7. Bd3 { [%eval 0.6] [%clk 1:20:39] } 7... O-O { [%eval 0.76] [%clk 1:13:12] } 8. O-O { [%eval 0.67] [%clk 1:20:58] } 8... Nc6 { [%eval 0.8] [%clk 1:11:06] } 9. b3 { [%eval 0.74] [%clk 1:12:02] } 9... Qe8 { [%eval 0.81] [%clk 1:06:48] } 10. Nb5 { [%eval 0.57] [%clk 1:04:39] } 10... Bd8 { [%eval 0.95] [%clk 0:59:17] } 11. Ba3 { [%eval 0.87] [%clk 0:55:31] } 11... d6 { [%eval 0.93] [%clk 0:59:09] } 12. d5? { [%eval -0.68] } { Mistake. Qd2 was best. } { [%clk 0:48:29] } 12... exd5 { [%eval -0.61] [%clk 0:47:47] } 13. cxd5 { [%eval -0.64] [%clk 0:48:49] } 13... Ne5 { [%eval -0.68] [%clk 0:43:59] } 14. Bc4?? { [%eval -3.4] } { Blunder. Nc3 was best. } { [%clk 0:34:08] } 14... Nxc4 { [%eval -3.38] [%clk 0:26:16] } 15. bxc4 { [%eval -3.26] [%clk 0:34:22] } 15... a6 { [%eval -3.33] [%clk 0:19:12] } 16. Bxd6 { [%eval -3.94] [%clk 0:34:10] } 16... axb5 { [%eval -3.87] [%clk 0:17:18] } 17. Bxf8 { [%eval -3.44] [%clk 0:34:32] } 17... bxc4 { [%eval -3.1] [%clk 0:17:14] } 18. Bb4 { [%eval -3.12] [%clk 0:33:10] } 18... Qxe3+?? { [%eval 0.0] } { Blunder. Nxd5 was best. } { [%clk 0:16:44] } 19. Nf2?! { [%eval -1.1] } { Inaccuracy. Kh1 was best. } { [%clk 0:29:22] } 19... Bxd5?? { [%eval 3.1] } { Blunder. Qe8 was best. } { [%clk 0:13:28] } 20. Re1 { [%eval 3.05] [%clk 0:29:37] } 20... Qf4?! { [%eval 4.78] } { Inaccuracy. Qh6 was best. } { [%clk 0:10:19] } 21. Re8+ { [%eval 4.8] [%clk 0:29:01] } 21... Kf7 { [%eval 4.36] [%clk 0:10:42] } 22. Rf8+?? { [%eval 1.75] } { Blunder. Nh3 was best. } { [%clk 0:29:16] } 22... Kg6? { [%eval 3.31] } { Mistake. Ke6 was best. } { [%clk 0:09:41] } 23. Nh3 { [%eval 3.43] [%clk 0:25:18] } 23... Qe5 { [%eval 3.95] [%clk 0:05:34] } 24. Qc1 { [%eval 3.99] [%clk 0:23:15] } 24... h6 { [%eval 4.41] [%clk 0:05:22] } 25. Nf4+ { [%eval 4.45] [%clk 0:23:33] } 25... Kh7 { [%eval 4.27] [%clk 0:05:42] } 26. Rh8+ { [%eval 4.32] [%clk 0:23:54] } 26... Kxh8 { [%eval 4.31] [%clk 0:06:01] } 27. Ng6+ { [%eval 4.36] [%clk 0:24:20] } 27... Kg8 { [%eval 4.42] [%clk 0:05:39] } 28. Nxe5 { [%eval 4.31] [%clk 0:24:44] } 28... c5 { [%eval 4.31] [%clk 0:05:55] } 29. Be1 { [%eval 4.28] [%clk 0:23:06] } 29... b5 { [%eval 4.41] [%clk 0:05:57] } 30. Rb1 { [%eval 3.69] [%clk 0:22:07] } 30... b4 { [%eval 3.96] [%clk 0:06:01] } 31. Nxc4 { [%eval 4.01] [%clk 0:21:46] } 31... Rxa2 { [%eval 4.93] [%clk 0:05:45] } 32. Ne3 { [%eval 5.25] [%clk 0:21:36] } 32... Bf7 { [%eval 5.21] [%clk 0:03:50] } 33. Qxc5 { [%eval 5.13] [%clk 0:17:53] } 33... f4 { [%eval 5.23] [%clk 0:02:05] } 34. Ng4 { [%eval 5.02] [%clk 0:16:40] } 34... Nxg4 { [%eval 5.1] [%clk 0:00:55] } 35. fxg4 { [%eval 5.16] [%clk 0:17:04] } 35... Kh7 { [%eval 5.45] [%clk 0:00:39] } 36. Qxb4 { [%eval 5.22] [%clk 0:11:16] } 36... Bd5 { [%eval 6.16] [%clk 0:01:00] } 37. Bf2 { [%eval 6.34] [%clk 0:09:27] } 37... Bg5 { [%eval 6.46] [%clk 0:00:38] } 38. Qd4 { [%eval 6.23] [%clk 0:08:45] } 38... Bf7 { [%eval 5.97] [%clk 0:00:56] } 39. h4 { [%eval 6.01] [%clk 0:08:36] } 39... Bf6 { [%eval 6.87] [%clk 0:00:58] } 40. Qxf4 { [%eval 6.6] [%clk 0:08:20] } 40... Bg6 { [%eval 7.82] [%clk 0:01:02] } 41. Rb7 { [%eval 8.78] [%clk 0:07:45] } 41... Ra1+ { [%eval 9.58] [%clk 0:01:06] } 42. Kh2 { [%eval 7.0] [%clk 0:08:09] } 42... Bc3?? { [%eval #5] } { Checkmate is now unavoidable. Rb1 was best. } { [%clk 0:00:55] } 43. Bd4 { [%eval #4] [%clk 0:08:16] } 43... Ra4 { [%eval #2] [%clk 0:00:47] } 44. Rxg7+ { [%eval #1] [%clk 0:08:36] } 44... Kh8 { [%clk 0:01:15] } 45. Qf8# { [%clk 0:08:59] } 1-0