Event: Round 1: De Boer, Eelke - Van Helvoort, Rob
Site: https://lichess.org/broadcast/hoogeveen-2025--open/round-1/GaPrLzOw/12r8pX6X
Date: 2025-10-18
White: De Boer, Eelke
WhiteTitle: IM
WhiteElo: 2456
Black: Van Helvoort, Rob
BlackElo: 2095
Result: 1-0
ECO: B33
Opening: Sicilian Defense: Four Knights Variation, Cobra Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:56] } 1... c5 { [%eval 0.24] [%clk 1:30:50] } 2. Nf3 { [%eval 0.2] [%clk 1:31:18] } 2... e6 { [%eval 0.28] [%clk 1:31:13] } 3. d4 { [%eval 0.4] [%clk 1:31:42] } 3... cxd4 { [%eval 0.29] [%clk 1:31:37] } 4. Nxd4 { [%eval 0.35] [%clk 1:32:06] } 4... Nf6 { [%eval 0.29] [%clk 1:31:49] } 5. Nc3 { [%eval 0.24] [%clk 1:32:25] } 5... Nc6 { [%eval 0.35] [%clk 1:32:05] } 6. Ndb5 { [%eval 0.25] [%clk 1:32:42] } 6... Bc5 { [%eval 0.29] [%clk 1:31:59] } 7. Nd6+ { [%eval 0.3] [%clk 1:32:45] } 7... Ke7 { [%eval 0.25] [%clk 1:32:17] } 8. Bf4 { [%eval 0.42] [%clk 1:33:05] } 8... e5 { [%eval 0.4] [%clk 1:32:18] } 9. Nf5+ { [%eval 0.46] [%clk 1:33:25] } 9... Kf8 { [%eval 0.36] [%clk 1:32:42] } 10. Bg5 { [%eval 0.35] [%clk 1:33:44] } 10... d6 { [%eval 0.41] [%clk 1:32:53] } 11. Bc4 { [%eval 0.36] [%clk 1:33:54] } 11... h6 { [%eval 0.64] [%clk 1:28:42] } 12. Bxf6 { [%eval 0.63] [%clk 1:27:27] } 12... Qxf6 { [%eval 0.56] [%clk 1:28:13] } 13. Nd5 { [%eval 0.63] [%clk 1:27:34] } 13... Qd8 { [%eval 0.64] [%clk 1:25:51] } 14. Nfe3 { [%eval 0.54] [%clk 1:16:59] } 14... a6 { [%eval 0.54] [%clk 1:17:44] } 15. a4 { [%eval 0.32] [%clk 1:05:56] } 15... g6 { [%eval 0.44] [%clk 1:11:27] } 16. c3 { [%eval 0.49] [%clk 1:04:07] } 16... Kg7 { [%eval 0.41] [%clk 1:08:57] } 17. O-O { [%eval 0.29] [%clk 0:59:30] } 17... Be6 { [%eval 0.45] [%clk 1:03:31] } 18. Kh1 { [%eval 0.45] [%clk 0:54:09] } 18... Rc8 { [%eval 0.4] [%clk 1:00:16] } 19. Qe2 { [%eval 0.5] [%clk 0:51:42] } 19... Ne7 { [%eval 0.78] [%clk 0:51:06] } 20. Rad1 { [%eval 0.47] [%clk 0:44:18] } 20... Qd7 { [%eval 0.75] [%clk 0:38:44] } 21. Nxe7 { [%eval 0.6] [%clk 0:39:20] } 21... Qxe7 { [%eval 0.65] [%clk 0:36:30] } 22. Nd5 { [%eval 0.19] [%clk 0:35:36] } 22... Qd7 { [%eval 0.31] [%clk 0:25:18] } 23. b3 { [%eval 0.31] [%clk 0:35:21] } 23... Rhf8 { [%eval 0.34] [%clk 0:23:46] } 24. Rd2 { [%eval 0.23] [%clk 0:31:27] } 24... f5 { [%eval 0.24] [%clk 0:18:44] } 25. exf5 { [%eval 0.29] [%clk 0:29:51] } 25... Rxf5 { [%eval 0.31] [%clk 0:13:37] } 26. f3 { [%eval 0.18] [%clk 0:29:17] } 26... Bxd5?! { [%eval 1.15] } { Inaccuracy. e4 was best. } { [%clk 0:10:59] } 27. Bxd5 { [%eval 1.19] [%clk 0:29:04] } 27... Qe7 { [%eval 1.73] [%clk 0:10:24] } 28. Be4 { [%eval 1.56] [%clk 0:23:54] } 28... Rf6 { [%eval 1.5] [%clk 0:08:55] } 29. Rfd1 { [%eval 1.32] [%clk 0:23:08] } 29... Ba7 { [%eval 1.2] [%clk 0:08:13] } 30. Rd3 { [%eval 1.31] [%clk 0:22:16] } 30... Qc7 { [%eval 1.8] [%clk 0:07:29] } 31. g3 { [%eval 1.7] [%clk 0:20:54] } 31... h5 { [%eval 2.12] [%clk 0:05:47] } 32. h4 { [%eval 1.62] [%clk 0:19:53] } 32... Rd8 { [%eval 2.0] [%clk 0:04:41] } 33. Kg2 { [%eval 2.0] [%clk 0:19:09] } 33... Qb6 { [%eval 2.22] [%clk 0:03:55] } 34. Bd5 { [%eval 1.99] [%clk 0:18:59] } 34... Qc7 { [%eval 2.14] [%clk 0:03:20] } 35. a5?! { [%eval 1.14] } { Inaccuracy. b4 was best. } { [%clk 0:13:54] } 35... Rd7?! { [%eval 2.15] } { Inaccuracy. Qxa5 was best. } { [%clk 0:02:38] } 36. b4 { [%eval 2.1] [%clk 0:14:09] } 36... Re7 { [%eval 2.16] [%clk 0:02:32] } 37. Qe4 { [%eval 2.23] [%clk 0:13:03] } 37... b6 { [%eval 2.5] [%clk 0:01:35] } 38. Ra1 { [%eval 2.45] [%clk 0:05:07] } 38... bxa5 { [%eval 2.52] [%clk 0:01:31] } 39. Rxa5 { [%eval 2.44] [%clk 0:05:35] } 39... Qb6?! { [%eval 3.28] } { Inaccuracy. Qc8 was best. } { [%clk 0:01:52] } 40. Qe1? { [%eval 1.48] } { Mistake. Rd1 was best. } { [%clk 0:01:43] } 40... e4 { [%eval 1.12] [%clk 0:01:37] } 41. Bxe4? { [%eval 0.0] } { Mistake. Kh3 was best. } { [%clk 0:02:03] } 41... Rxe4 { [%eval 0.0] [%clk 0:28:09] } 42. fxe4 { [%eval 0.0] [%clk 0:32:22] } 42... Rf2+ { [%eval 0.0] [%clk 0:28:16] } 43. Kh3 { [%eval 0.0] [%clk 0:25:54] } 43... Qb7 { [%eval 0.23] [%clk 0:22:34] } 44. Rg5 { [%eval 0.21] [%clk 0:24:47] } 44... Qc8+ { [%eval 0.41] [%clk 0:09:04] } 45. g4 { [%eval 0.54] [%clk 0:25:03] } 45... Qc4?? { [%eval 3.87] } { Blunder. Qe6 was best. } { [%clk 0:02:58] } 46. Rxd6 { [%eval 3.63] [%clk 0:17:21] } 46... Rf3+ { [%eval 4.16] [%clk 0:01:53] } 47. Kg2 { [%eval 4.36] [%clk 0:17:16] } 47... Rf2+ { [%eval 4.43] [%clk 0:01:48] } 48. Kg3 { [%eval 4.08] [%clk 0:16:42] } 48... Qf7? { [%eval 8.08] } { Mistake. Re2 was best. } { [%clk 0:00:55] } 49. Rdxg6+ { [%eval 7.58] [%clk 0:16:51] } 1-0