Event: Round 1: Felix Sommerfeld - Nelson Strehse
Date: 2023-12-27
White: Felix Sommerfeld
Black: Nelson Strehse
Result: 0-1
ECO: A09
Opening: Réti Opening: Advance Variation
Variant: Standard

1. Nf3 { [%eval 0.2] [%clk 1:30:46] } 1... d5 { [%eval 0.34] [%clk 1:30:56] } 2. c4 { [%eval 0.0] [%clk 1:30:59] } 2... d4 { [%eval 0.0] [%clk 1:30:44] } 3. b4 { [%eval -0.15] [%clk 1:31:14] } 3... f6?! { [%eval 0.42] } { Inaccuracy. c5 was best. } { [%clk 1:30:15] } 4. Bb2 { [%eval -0.11] [%clk 1:31:10] } 4... e5 { [%eval 0.0] [%clk 1:30:39] } 5. g3? { [%eval -1.21] } { Mistake. c5 was best. } { [%clk 1:30:14] } 5... Bxb4 { [%eval -1.21] [%clk 1:26:24] } 6. Qa4+ { [%eval -1.41] [%clk 1:29:07] } 6... Nc6 { [%eval -1.25] [%clk 1:26:49] } 7. Bg2 { [%eval -1.22] [%clk 1:28:21] } 7... Ne7 { [%eval -1.26] [%clk 1:26:36] } 8. Ba3 { [%eval -1.68] [%clk 1:25:31] } 8... Bxa3 { [%eval -1.59] [%clk 1:25:47] } 9. Qxa3 { [%eval -2.06] [%clk 1:25:12] } 9... e4 { [%eval -2.21] [%clk 1:19:17] } 10. Ng1 { [%eval -2.18] [%clk 1:24:39] } 10... Bf5 { [%eval -2.31] [%clk 1:18:24] } 11. Qb3 { [%eval -2.77] [%clk 1:22:07] } 11... O-O { [%eval -2.58] [%clk 1:15:09] } 12. g4?! { [%eval -3.55] } { Inaccuracy. f3 was best. } { [%clk 1:16:32] } 12... Bg6 { [%eval -3.0] [%clk 1:12:24] } 13. h4 { [%eval -3.05] [%clk 1:13:11] } 13... d3?! { [%eval -2.25] } { Inaccuracy. h6 was best. } { [%clk 1:06:03] } 14. h5?! { [%eval -3.06] } { Inaccuracy. e3 was best. } { [%clk 1:12:17] } 14... Nd4 { [%eval -2.86] [%clk 1:04:20] } 15. Qb2 { [%eval -3.04] [%clk 1:09:51] } 15... Nc2+ { [%eval -3.3] [%clk 1:02:57] } 16. Kf1 { [%eval -3.01] [%clk 1:09:49] } 16... Be8 { [%eval -3.35] [%clk 1:01:11] } 17. Bxe4 { [%eval -3.25] [%clk 1:09:39] } 17... Bc6?! { [%eval -2.39] } { Inaccuracy. dxe2+ was best. } { [%clk 0:58:07] } 18. Bxd3 { [%eval -2.36] [%clk 1:04:32] } 18... Nxa1 { [%eval -2.5] [%clk 0:58:09] } 19. f3 { [%eval -2.84] [%clk 1:02:31] } 19... Qd6 { [%eval -2.19] [%clk 0:55:38] } 20. Nc3 { [%eval -2.8] [%clk 0:59:46] } 20... Rad8 { [%eval -2.39] [%clk 0:53:38] } 21. Qxa1 { [%eval -2.26] [%clk 0:59:03] } 21... Qf4 { [%eval -2.57] [%clk 0:52:36] } 22. Qe1 { [%eval -2.49] [%clk 0:53:07] } 22... h6? { [%eval -1.21] } { Mistake. f5 was best. } { [%clk 0:46:32] } 23. Nh3 { [%eval -1.22] [%clk 0:51:08] } 23... Qe5 { [%eval -1.22] [%clk 0:43:54] } 24. f4 { [%eval -1.73] [%clk 0:45:35] } 24... Qd4 { [%eval -1.79] [%clk 0:42:08] } 25. Rg1 { [%eval -1.83] [%clk 0:45:29] } 25... a6 { [%eval -1.73] [%clk 0:39:13] } 26. Qg3 { [%eval -2.34] [%clk 0:44:21] } 26... Kh8?? { [%eval -0.54] } { Blunder. b5 was best. } { [%clk 0:37:36] } 27. f5 { [%eval -0.62] [%clk 0:40:13] } 27... Be8 { [%eval -1.01] [%clk 0:29:39] } 28. Qxc7 { [%eval -1.49] [%clk 0:37:27] } 28... Rd7 { [%eval -1.0] [%clk 0:29:34] } 29. Qg3 { [%eval -1.53] [%clk 0:36:35] } 29... Bf7 { [%eval -1.39] [%clk 0:29:38] } 30. Nf4 { [%eval -1.81] [%clk 0:28:18] } 30... Bxc4 { [%eval -2.06] [%clk 0:29:16] } 31. Bxc4 { [%eval -2.02] [%clk 0:27:51] } 31... Qxc4 { [%eval -2.23] [%clk 0:29:44] } 32. Qe3 { [%eval -2.3] [%clk 0:26:51] } 32... Rc8 { [%eval -2.23] [%clk 0:26:15] } 33. Rh1 { [%eval -2.77] [%clk 0:23:10] } 33... Qd4 { [%eval -2.47] [%clk 0:24:22] } 34. Qxd4?! { [%eval -3.26] } { Inaccuracy. Rh3 was best. } { [%clk 0:20:39] } 34... Rxd4 { [%eval -2.89] [%clk 0:24:51] } 35. Ng6+ { [%eval -3.15] [%clk 0:17:37] } 35... Nxg6 { [%eval -3.16] [%clk 0:25:19] } 36. hxg6 { [%eval -3.22] [%clk 0:17:59] } 36... Rxd2 { [%eval -3.35] [%clk 0:25:12] } 37. Rh3 { [%eval -2.88] [%clk 0:18:16] } 37... b5 { [%eval -2.85] [%clk 0:23:07] } 38. a3 { [%eval -3.37] [%clk 0:17:15] } 38... Kg8 { [%eval -3.09] [%clk 0:21:56] } 39. Re3 { [%eval -3.38] [%clk 0:16:42] } 39... Kf8 { [%eval -3.19] [%clk 0:22:06] } 40. Ne4 { [%eval -3.26] [%clk 0:15:50] } 40... Rd4 { [%eval -3.45] [%clk 0:22:05] } 41. Nf2 { [%eval -3.58] [%clk 0:12:59] } 41... Rdc4 { [%eval -3.0] [%clk 0:19:46] } 42. Ne4?? { [%eval -6.06] } { Blunder. Rd3 was best. } { [%clk 0:12:26] } 42... Re8 { [%eval -5.94] [%clk 0:19:42] } 43. Kf2 { [%eval -5.81] [%clk 0:11:42] } 43... Rcxe4 { [%eval -6.07] [%clk 0:19:59] } 44. Rd3 { [%eval -6.03] [%clk 0:11:59] } 44... Rxe2+ { [%eval -5.87] [%clk 0:20:16] } 45. Kf3 { [%eval -6.04] [%clk 0:12:25] } 45... a5 { [%eval -6.4] [%clk 0:20:15] } 46. Rd7 { [%eval -6.66] [%clk 0:11:27] } 46... R2e3+ { [%eval -6.6] [%clk 0:20:18] } 47. Kf2 { [%eval -6.47] [%clk 0:11:34] } 47... Rxa3 { [%eval -8.6] [%clk 0:20:32] } 48. Rf7+ { [%eval -8.62] [%clk 0:11:59] } 48... Kg8 { [%eval -9.82] [%clk 0:21:00] } 49. Rb7 { [%eval -8.83] [%clk 0:11:35] } 49... b4 { [%eval -7.71] [%clk 0:21:09] } 50. Rb5 { [%eval -8.19] [%clk 0:11:54] } 50... b3 { [%eval -9.79] [%clk 0:21:23] } 51. Kg3 { [%eval -9.36] [%clk 0:11:48] } 51... a4 { [%eval -8.33] [%clk 0:21:26] } 52. Kh4 { [%eval -10.44] [%clk 0:11:15] } 52... Ra2 { [%eval -12.22] [%clk 0:21:30] } 53. g5?! { [%eval #-10] } { Checkmate is now unavoidable. Rb7 was best. } { [%clk 0:10:32] } 53... hxg5+ { [%eval #-9] [%clk 0:21:44] } 54. Kh5 { [%eval #-8] [%clk 0:10:38] } 54... b2 { [%eval #-10] [%clk 0:21:26] } 55. Rb4 { [%eval #-10] [%clk 0:09:54] } 55... a3 { [%eval #-9] [%clk 0:21:08] } 56. Re4 { [%eval #-6] [%clk 0:10:12] } 56... Rf8?! { [%eval -16.37] } { Lost forced checkmate sequence. Rb8 was best. } { [%clk 0:20:56] } 57. Re7?! { [%eval #-4] } { Checkmate is now unavoidable. Re3 was best. } { [%clk 0:09:39] } 57... Ra1 { [%eval #-6] [%clk 0:20:53] } 58. Rf7 { [%eval #-5] [%clk 0:09:44] } 58... Rh1+ { [%eval #-5] [%clk 0:21:08] } 59. Kg4 { [%eval #-5] [%clk 0:10:06] } 59... Rh4+ { [%eval #-7] [%clk 0:21:32] } 60. Kg3 { [%eval #-6] [%clk 0:09:54] } 60... Rxf7 { [%eval #-6] [%clk 0:21:55] } 61. gxf7+ { [%eval #-6] [%clk 0:10:14] } 61... Kxf7 { [%eval #-5] [%clk 0:21:16] } 62. Kf3 { [%eval #-6] [%clk 0:10:34] } 62... Rf4+ { [%eval #-5] [%clk 0:21:36] } 63. Ke3 { [%eval #-5] [%clk 0:10:54] } 63... Rxf5 { [%eval #-5] [%clk 0:21:44] } 64. Kd2 { [%eval #-5] [%clk 0:11:16] } 64... a2 { [%eval #-4] [%clk 0:22:04] } 65. Kc2 { [%eval #-4] [%clk 0:11:40] } 65... b1=Q+ { [%eval #-3] [%clk 0:22:18] } 66. Kc3 { [%eval #-3] [%clk 0:12:04] } 66... a1=Q+ { [%eval #-2] [%clk 0:22:36] } 67. Kc4 { [%eval #-1] [%clk 0:12:32] } 67... Qb5# { [%clk 0:22:33] } 0-1