Event: Round 4: Moritz Buss - Felix Sommerfeld
Date: 2023-12-29
White: Moritz Buss
Black: Felix Sommerfeld
Result: 1-0
ECO: E92
Opening: King's Indian Defense: Petrosian Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:25:48] } 1... g6 { [%eval 0.71] [%clk 1:30:28] } 2. d4 { [%eval 0.54] [%clk 1:26:04] } 2... d6 { [%eval 0.67] [%clk 1:30:37] } 3. c4 { [%eval 0.48] [%clk 1:25:57] } 3... Nf6 { [%eval 0.69] [%clk 1:30:42] } 4. Nc3 { [%eval 0.7] [%clk 1:26:13] } 4... Bg7 { [%eval 0.67] [%clk 1:30:50] } 5. Nf3 { [%eval 0.57] [%clk 1:26:08] } 5... O-O { [%eval 0.48] [%clk 1:31:04] } 6. Be2 { [%eval 0.5] [%clk 1:25:55] } 6... e5 { [%eval 0.64] [%clk 1:31:04] } 7. d5 { [%eval 0.13] [%clk 1:25:59] } 7... h6?! { [%eval 0.9] } { Inaccuracy. a5 was best. } { [%clk 1:29:47] } 8. h3 { [%eval 0.89] [%clk 1:25:34] } 8... a5 { [%eval 1.04] [%clk 1:27:29] } 9. O-O?! { [%eval 0.13] } { Inaccuracy. Be3 was best. } { [%clk 1:21:58] } 9... Nh7 { [%eval 0.42] [%clk 1:27:01] } 10. Be3 { [%eval -0.04] [%clk 1:17:33] } 10... f5 { [%eval 0.04] [%clk 1:26:52] } 11. exf5 { [%eval -0.44] [%clk 1:17:22] } 11... Bxf5?? { [%eval 1.39] } { Blunder. gxf5 was best. } { [%clk 1:26:16] } 12. Nh2?! { [%eval 0.79] } { Inaccuracy. c5 was best. } { [%clk 1:15:35] } 12... g5?! { [%eval 1.51] } { Inaccuracy. Na6 was best. } { [%clk 1:14:30] } 13. Bg4 { [%eval 0.96] [%clk 1:12:38] } 13... Bxg4 { [%eval 1.06] [%clk 1:12:25] } 14. Qxg4 { [%eval 0.73] [%clk 1:08:50] } 14... Nd7 { [%eval 0.66] [%clk 1:08:58] } 15. Ne2 { [%eval 0.44] [%clk 1:03:39] } 15... Rf7 { [%eval 0.53] [%clk 1:05:57] } 16. h4 { [%eval 0.12] [%clk 0:57:27] } 16... Ndf6 { [%eval 0.17] [%clk 1:01:50] } 17. Qh3 { [%eval 0.06] [%clk 0:54:54] } 17... Nd7?! { [%eval 0.69] } { Inaccuracy. Qc8 was best. } { [%clk 0:56:00] } 18. Nf3 { [%eval 0.7] [%clk 0:53:16] } 18... e4 { [%eval 0.94] [%clk 0:54:45] } 19. Nfd4 { [%eval 0.77] [%clk 0:51:55] } 19... Nc5?! { [%eval 1.38] } { Inaccuracy. Bxd4 was best. } { [%clk 0:46:39] } 20. Ne6 { [%eval 1.03] [%clk 0:48:29] } 20... Nxe6 { [%eval 0.98] [%clk 0:46:42] } 21. dxe6 { [%eval 1.14] [%clk 0:48:15] } 21... Rf8 { [%eval 1.07] [%clk 0:45:01] } 22. Nd4?! { [%eval 0.2] } { Inaccuracy. Qg4 was best. } { [%clk 0:46:08] } 22... gxh4?! { [%eval 1.15] } { Inaccuracy. Qe7 was best. } { [%clk 0:40:31] } 23. Nf5 { [%eval 0.6] [%clk 0:44:37] } 23... Ng5 { [%eval 0.64] [%clk 0:38:28] } 24. Qg4 { [%eval 0.77] [%clk 0:42:56] } 24... Qf6 { [%eval 0.59] [%clk 0:37:17] } 25. Nxg7 { [%eval 0.71] [%clk 0:37:21] } 25... Kxg7?! { [%eval 1.77] } { Inaccuracy. Qxg7 was best. } { [%clk 0:35:17] } 26. Rad1?? { [%eval -0.35] } { Blunder. f4 was best. } { [%clk 0:27:18] } 26... Qg6?! { [%eval 0.34] } { Inaccuracy. Qxe6 was best. } { [%clk 0:33:13] } 27. e7? { [%eval -0.89] } { Mistake. Rd5 was best. } { [%clk 0:19:55] } 27... Rf7?? { [%eval 1.35] } { Blunder. Rf5 was best. } { [%clk 0:22:03] } 28. Bxg5? { [%eval -0.02] } { Mistake. Rd5 was best. } { [%clk 0:12:58] } 28... Qxg5 { [%eval 0.0] [%clk 0:21:03] } 29. Qxe4 { [%eval 0.0] [%clk 0:10:41] } 29... Re8 { [%eval -0.02] [%clk 0:15:27] } 30. Rd5 { [%eval -0.1] [%clk 0:07:10] } 30... Qf4 { [%eval 0.07] [%clk 0:13:10] } 31. Qxf4 { [%eval 0.1] [%clk 0:05:28] } 31... Rxf4 { [%eval 0.08] [%clk 0:13:36] } 32. c5 { [%eval 0.06] [%clk 0:04:14] } 32... dxc5 { [%eval 0.09] [%clk 0:11:39] } 33. Re1 { [%eval 0.08] [%clk 0:03:21] } 33... Rf7 { [%eval 0.05] [%clk 0:11:06] } 34. Rxc5 { [%eval 0.1] [%clk 0:02:15] } 34... Rexe7 { [%eval 0.14] [%clk 0:11:34] } 35. Rxe7 { [%eval 0.06] [%clk 0:02:23] } 35... Rxe7 { [%eval 0.09] [%clk 0:12:03] } 36. Rxa5 { [%eval 0.08] [%clk 0:02:42] } 36... Re1+ { [%eval 0.13] [%clk 0:11:28] } 37. Kh2 { [%eval 0.21] } 37... Re2 { [%eval 0.22] } 38. Rb5 { [%eval 0.32] [%clk 0:02:40] } 38... b6 { [%eval 0.34] [%clk 0:11:31] } 39. f3 { [%eval 0.22] [%clk 0:02:46] } 39... Kf6 { [%eval 0.21] [%clk 0:11:18] } 40. a4 { [%eval 0.1] [%clk 0:02:20] } 40... Ke6 { [%eval 0.2] [%clk 0:10:15] } 41. b4 { [%eval 0.01] [%clk 0:01:58] } 41... Rb2 { [%eval 0.01] [%clk 0:09:57] } 42. Kh3 { [%eval 0.0] [%clk 0:01:15] } 42... Kd6 { [%eval 0.07] [%clk 0:09:37] } 43. Rh5 { [%eval 0.0] [%clk 0:00:50] } 43... Rxb4 { [%eval 0.0] [%clk 0:09:39] } 44. Rxh6+ { [%eval 0.0] [%clk 0:01:11] } 44... Ke5 { [%eval 0.0] [%clk 0:09:01] } 45. Rh5+ { [%eval 0.0] [%clk 0:01:02] } 45... Kd6 { [%eval 0.0] [%clk 0:09:04] } 46. Rh6+ { [%eval 0.0] [%clk 0:00:43] } 46... Ke5 { [%eval 0.0] [%clk 0:08:02] } 47. Rc6 { [%eval 0.0] [%clk 0:00:50] } 47... Rxa4 { [%eval 0.0] [%clk 0:07:59] } 48. Rxc7 { [%eval 0.0] [%clk 0:01:18] } 48... b5?? { [%eval 4.89] } { Blunder. Kd5 was best. } { [%clk 0:08:07] } 49. Rc5+ { [%eval 5.09] [%clk 0:01:34] } 49... Kf4 { [%eval 4.97] [%clk 0:08:02] } 50. Rxb5 { [%eval 5.15] [%clk 0:01:41] } 50... Ra1 { [%eval 5.23] [%clk 0:08:03] } 51. Rb4+ { [%eval 5.46] [%clk 0:02:00] } 51... Kg5 { [%eval 5.75] [%clk 0:08:28] } 52. Rg4+ { [%eval 5.42] [%clk 0:02:17] } 52... Kf5 { [%eval 5.58] [%clk 0:08:08] } 53. Rxh4 { [%eval 5.48] [%clk 0:02:29] } 53... Kg5 { [%eval 5.76] [%clk 0:08:24] } 54. Rb4 { [%eval 5.6] [%clk 0:02:11] } 54... Ra8 { [%eval 6.6] [%clk 0:08:02] } 55. Kg3 { [%eval 5.84] [%clk 0:02:21] } 55... Kf6 { [%eval 5.73] [%clk 0:08:14] } 56. Kf4 { [%eval 6.14] [%clk 0:02:30] } 56... Ra6 { [%eval 5.71] [%clk 0:07:19] } 57. g4 { [%eval 5.81] [%clk 0:02:46] } 57... Kg6 { [%eval 6.06] [%clk 0:07:27] } 58. Re4 { [%eval 5.87] [%clk 0:02:09] } 58... Rf6+ { [%eval 6.17] [%clk 0:07:36] } 59. Kg3 { [%eval 6.1] [%clk 0:02:33] } 59... Ra6 { [%eval 6.39] [%clk 0:07:51] } 60. f4 { [%eval 6.5] [%clk 0:02:53] } 60... Ra3+ { [%eval 6.59] [%clk 0:08:01] } 61. Kh4 { [%eval 6.69] [%clk 0:03:04] } 61... Kf6 { [%eval 7.05] [%clk 0:07:40] } 62. Re5 { [%eval 6.16] [%clk 0:02:57] } 62... Ra4 { [%eval 6.46] [%clk 0:07:14] } 63. g5+ { [%eval 6.08] [%clk 0:03:00] } 63... Kg7 { [%eval 6.74] [%clk 0:07:22] } 64. Kg4 { [%eval 6.67] [%clk 0:03:16] } 64... Kg6 { [%eval 6.63] [%clk 0:07:38] } 65. Re6+ { [%eval 6.55] [%clk 0:03:41] } 65... Kf7 { [%eval 6.58] [%clk 0:07:46] } 66. Rf6+ { [%eval 6.75] [%clk 0:03:59] } 66... Kg7 { [%eval 6.48] [%clk 0:07:34] } 67. Rb6 { [%eval 6.61] [%clk 0:04:25] } 67... Ra1?! { [%eval 35.85] } { Inaccuracy. Rc4 was best. } { [%clk 0:07:10] } 68. Re6?! { [%eval 6.77] } { Inaccuracy. Rb7+ was best. } { [%clk 0:04:05] } 68... Ra2 { [%eval 7.45] [%clk 0:06:52] } 69. Kf5 { [%eval 7.04] [%clk 0:04:16] } 69... Ra5+ { [%eval 7.04] [%clk 0:07:08] } 70. Re5 { [%eval 7.04] [%clk 0:04:32] } 70... Ra7 { [%eval 6.87] [%clk 0:07:06] } 71. g6 { [%eval 7.19] [%clk 0:04:41] } 71... Rc7?! { [%eval 34.66] } { Inaccuracy. Kf8 was best. } { [%clk 0:07:01] } 72. Kg5 { [%eval 11.07] [%clk 0:04:55] } 72... Rc2 { [%eval 35.22] [%clk 0:06:20] } 73. Re7+ { [%eval 35.5] [%clk 0:05:19] } 73... Kf8 { [%eval 34.68] [%clk 0:06:16] } 74. Rf7+ { [%eval 35.48] [%clk 0:05:13] } 74... Kg8 { [%eval 34.68] [%clk 0:06:21] } 75. f5 { [%eval 34.4] [%clk 0:05:20] } 75... Rg2+?! { [%eval #19] } { Checkmate is now unavoidable. Ra2 was best. } { [%clk 0:06:26] } 76. Kf6 { [%eval 57.43] [%clk 0:05:47] } 76... Rb2 { [%eval 56.15] [%clk 0:06:15] } 77. Re7 { [%eval #19] [%clk 0:06:00] } 77... Rb6+ { [%eval #23] [%clk 0:06:10] } 78. Re6?! { [%eval 35.42] } { Lost forced checkmate sequence. Kg5 was best. } { [%clk 0:05:54] } 78... Rb8 { [%eval 35.6] [%clk 0:06:23] } 79. g7 { [%eval 8.19] [%clk 0:06:03] } 79... Rc8 { [%eval 34.84] [%clk 0:06:07] } 80. Kg6 { [%eval 34.99] [%clk 0:06:24] } 80... Rc6 { [%eval 34.4] [%clk 0:06:29] } 81. Kf6 { [%eval 33.89] [%clk 0:05:56] } 81... Rc8 { [%eval 35.12] [%clk 0:06:32] } 82. Re7 { [%eval 35.17] [%clk 0:06:00] } 82... Rc6+ { [%eval 5.05] [%clk 0:06:40] } 83. Kg5?? { [%eval 0.0] } { Blunder. Ke5 was best. } { [%clk 0:06:21] } 83... Rc5?? { [%eval #14] } { Checkmate is now unavoidable. Rg6+ was best. } { [%clk 0:06:02] } 84. Kg6 { [%eval #14] [%clk 0:06:28] } 84... Re5 { [%eval #13] [%clk 0:05:56] } 85. Kf6 { [%eval #12] [%clk 0:06:34] } 1-0