Event: Tata Steel Chess Qualifiers
Site: Wijk aan Zee, Netherlands
Date: 2020-01-17
White: De Boer, Eelke
Black: Slingerland, Fred
Result: 0-1
ECO: B67
Opening: Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:40:56] } 1... c5 { [%eval 0.2] [%clk 1:40:57] } 2. Nf3 { [%eval 0.21] [%clk 1:41:21] } 2... d6 { [%eval 0.26] [%clk 1:41:21] } 3. d4 { [%eval 0.17] [%clk 1:41:45] } 3... cxd4 { [%eval 0.16] [%clk 1:41:46] } 4. Nxd4 { [%eval 0.11] [%clk 1:42:07] } 4... Nf6 { [%eval 0.37] [%clk 1:42:10] } 5. Nc3 { [%eval 0.25] [%clk 1:42:29] } 5... Nc6 { [%eval 0.37] [%clk 1:42:34] } 6. Bg5 { [%eval 0.26] [%clk 1:42:50] } 6... e6 { [%eval 0.42] [%clk 1:42:58] } 7. Qd2 { [%eval 0.41] [%clk 1:43:12] } 7... a6 { [%eval 0.61] [%clk 1:43:19] } 8. O-O-O { [%eval 0.34] [%clk 1:43:16] } 8... Bd7 { [%eval 0.68] [%clk 1:43:28] } 9. f3 { [%eval 0.39] [%clk 1:43:34] } 9... b5 { [%eval 0.5] [%clk 1:43:53] } 10. Nxc6?! { [%eval -0.02] } { Inaccuracy. Best move was g4. } { [%clk 1:43:55] } 10... Bxc6 { [%eval 0.11] [%clk 1:44:17] } 11. Ne2?! { [%eval -0.41] } { Inaccuracy. Best move was Kb1. } { [%clk 1:44:18] } 11... Be7 { [%eval 0.0] [%clk 1:44:08] } 12. Nd4 { [%eval 0.0] [%clk 1:41:23] } 12... Bb7 { [%eval -0.05] [%clk 1:34:51] } 13. h4 { [%eval 0.04] [%clk 1:40:59] } 13... Rc8 { [%eval 0.46] [%clk 1:34:30] } 14. Kb1 { [%eval 0.28] [%clk 1:35:52] } 14... Nd7 { [%eval 0.41] [%clk 1:32:03] } 15. Bd3?! { [%eval -0.12] } { Inaccuracy. Best move was Nb3. } { [%clk 1:16:33] } 15... Ne5 { [%eval 0.22] [%clk 1:31:21] } 16. f4 { [%eval 0.09] [%clk 1:08:23] } 16... Nc6?! { [%eval 0.87] } { Inaccuracy. Best move was Nxd3. } { [%clk 1:27:50] } 17. Bxe7 { [%eval 0.82] [%clk 1:03:34] } 17... Qxe7 { [%eval 0.91] [%clk 1:27:55] } 18. Nb3 { [%eval 0.94] [%clk 0:58:55] } 18... O-O { [%eval 1.0] [%clk 1:26:03] } 19. c3?! { [%eval 0.27] } { Inaccuracy. Best move was g4. } { [%clk 0:57:59] } 19... Rfd8 { [%eval 0.41] [%clk 1:25:08] } 20. Qe3? { [%eval -1.07] } { Mistake. Best move was a3. } { [%clk 0:49:03] } 20... b4 { [%eval -1.31] [%clk 1:15:52] } 21. c4 { [%eval -1.34] [%clk 0:46:05] } 21... a5 { [%eval -1.16] [%clk 1:09:01] } 22. g3 { [%eval -1.64] [%clk 0:36:31] } 22... a4 { [%eval -1.58] [%clk 0:59:15] } 23. Nd4 { [%eval -1.65] [%clk 0:34:54] } 23... Nxd4 { [%eval -1.61] [%clk 0:53:17] } 24. Qxd4 { [%eval -1.69] [%clk 0:35:18] } 24... e5 { [%eval -1.61] [%clk 0:52:19] } 25. Qe3 { [%eval -1.64] [%clk 0:35:23] } 25... exf4 { [%eval -1.11] [%clk 0:51:23] } 26. gxf4 { [%eval -1.16] [%clk 0:35:35] } 26... Re8 { [%eval -0.94] [%clk 0:51:22] } 27. Rhe1 { [%eval -1.35] [%clk 0:32:53] } 27... d5?! { [%eval -0.81] } { Inaccuracy. Best move was Qxh4. } { [%clk 0:37:17] } 28. cxd5 { [%eval -0.57] [%clk 0:31:16] } 28... Bxd5 { [%eval -0.72] [%clk 0:37:35] } 29. Qd4?! { [%eval -1.68] } { Inaccuracy. Best move was e5. } { [%clk 0:29:41] } 29... Bb7? { [%eval -0.51] } { Mistake. Best move was Be6. } { [%clk 0:37:02] } 30. Rg1?! { [%eval -1.19] } { Inaccuracy. Best move was h5. } { [%clk 0:27:26] } 30... g6 { [%eval -1.37] [%clk 0:36:33] } 31. e5 { [%eval -1.22] [%clk 0:27:26] } 31... Red8 { [%eval -1.06] [%clk 0:34:05] } 32. Qe3 { [%eval -1.07] [%clk 0:27:41] } 32... a3?! { [%eval -0.31] } { Inaccuracy. Best move was b3. } { [%clk 0:30:52] } 33. f5?? { [%eval -1.94] } { Blunder. Best move was h5. } { [%clk 0:25:32] } 33... Qxh4 { [%eval -1.89] [%clk 0:22:26] } 34. e6?? { [%eval -6.78] } { Blunder. Best move was Rge1. } { [%clk 0:23:24] } 34... Rxd3 { [%eval -6.18] [%clk 0:20:33] } 35. Rxd3 { [%eval -6.0] [%clk 0:23:28] } 35... Be4 { [%eval -4.36] [%clk 0:20:34] } 36. exf7+ { [%eval -4.98] [%clk 0:23:21] } 36... Kf8 { [%eval -4.58] [%clk 0:17:26] } 37. Qd4?? { [%eval #-8] } { Checkmate is now unavoidable. Best move was fxg6. } { [%clk 0:20:18] } 37... Rd8?? { [%eval 0.0] } { Lost forced checkmate sequence. Best move was Bxd3+. } { [%clk 0:08:45] } 38. Qxb4+ { [%eval 0.0] [%clk 0:20:20] } 38... Kxf7 { [%eval 0.0] [%clk 0:07:43] } 39. fxg6+ { [%eval 0.0] [%clk 0:19:35] } 39... hxg6 { [%eval 0.0] [%clk 0:07:13] } 40. Qb3+?? { [%eval -4.12] } { Blunder. Best move was Rf1+. } { [%clk 0:18:41] } 40... Kg7 { [%eval -3.6] [%clk 0:05:55] } 41. Rd1?? { [%eval -63.7] } { Blunder. Best move was Qc3+. } { [%clk 0:18:56] } 41... Rxd3 { [%eval -63.61] [%clk 0:05:27] } 42. Rxd3 { [%eval -63.32] [%clk 0:18:39] } 42... Qe1+ { [%eval -63.2] [%clk 0:05:28] } 43. Kc2 { [%eval -63.11] [%clk 0:18:55] } 43... Qe2+ { [%eval -62.31] [%clk 0:05:42] } 44. Kc1 { [%eval -59.61] [%clk 0:18:33] } 44... axb2+ { [%eval -58.77] [%clk 0:05:49] } 0-1