Event: Round 4: Degenhard, Simon - Koellner, Ruben Gideon
Site: https://lichess.org/broadcast/berlin-u25-open--rapid/round-4/xvMOlJdq/P0p1rM8d
Date: 2025-11-15
White: Degenhard, Simon
WhiteTitle: FM
WhiteElo: 2240
Black: Koellner, Ruben Gideon
BlackTitle: IM
BlackElo: 2438
Result: 0-1
ECO: C41
Opening: Philidor Defense: Lion Variation
Variant: Standard
TimeControl: 10+5

1. e4 { [%eval 0.18] [%clk 0:10:07] } 1... d6 { [%eval 0.43] [%clk 0:10:02] } 2. d4 { [%eval 0.43] [%clk 0:10:10] } 2... Nf6 { [%eval 0.43] [%clk 0:10:06] } 3. Nc3 { [%eval 0.38] [%clk 0:10:14] } 3... e5 { [%eval 0.45] [%clk 0:10:10] } 4. Nf3 { [%eval 0.46] [%clk 0:10:17] } 4... Nbd7 { [%eval 0.44] [%clk 0:10:13] } 5. Bc4 { [%eval 0.36] [%clk 0:10:21] } 5... Be7 { [%eval 0.35] [%clk 0:10:16] } 6. a4 { [%eval 0.35] [%clk 0:10:22] } 6... exd4 { [%eval 0.48] [%clk 0:10:12] } 7. Nxd4 { [%eval 0.38] [%clk 0:10:21] } 7... O-O { [%eval 0.49] [%clk 0:10:12] } 8. O-O { [%eval 0.41] [%clk 0:10:23] } 8... Re8 { [%eval 0.41] [%clk 0:10:16] } 9. Re1 { [%eval 0.43] [%clk 0:10:26] } 9... Ne5 { [%eval 0.39] [%clk 0:09:58] } 10. Bf1 { [%eval 0.39] [%clk 0:10:14] } 10... Bg4 { [%eval 0.4] [%clk 0:09:58] } 11. f3 { [%eval 0.48] [%clk 0:10:02] } 11... Bd7 { [%eval 0.42] [%clk 0:10:00] } 12. Kh1 { [%eval 0.38] [%clk 0:10:00] } 12... a6 { [%eval 0.52] [%clk 0:09:48] } 13. Be3 { [%eval 0.4] [%clk 0:09:11] } 13... c5 { [%eval 0.54] [%clk 0:09:44] } 14. Nde2 { [%eval 0.65] [%clk 0:09:03] } 14... b5 { [%eval 0.54] [%clk 0:08:00] } 15. Nf4 { [%eval 0.67] [%clk 0:08:41] } 15... b4 { [%eval 0.64] [%clk 0:06:24] } 16. Ncd5 { [%eval 0.52] [%clk 0:08:43] } 16... Nxd5 { [%eval 0.53] [%clk 0:05:42] } 17. Nxd5 { [%eval 0.64] [%clk 0:08:44] } 17... Bf8?! { [%eval 1.51] } { Inaccuracy. Bh4 was best. } { [%clk 0:05:26] } 18. a5 { [%eval 0.95] [%clk 0:08:26] } 18... Be6 { [%eval 1.13] [%clk 0:05:04] } 19. Nb6 { [%eval 1.17] [%clk 0:07:49] } 19... Ra7 { [%eval 1.23] [%clk 0:05:03] } 20. c3 { [%eval 1.45] [%clk 0:05:12] } 20... Nc6 { [%eval 1.75] [%clk 0:05:00] } 21. Qa4 { [%eval 1.83] [%clk 0:05:04] } 21... Bd7 { [%eval 1.85] [%clk 0:02:54] } 22. cxb4?! { [%eval 0.91] } { Inaccuracy. Red1 was best. } { [%clk 0:04:38] } 22... Nxb4 { [%eval 0.91] [%clk 0:02:45] } 23. Nxd7 { [%eval 0.72] [%clk 0:04:38] } 23... Qxd7 { [%eval 0.76] [%clk 0:02:40] } 24. Bc4?! { [%eval 0.02] } { Inaccuracy. Bd2 was best. } { [%clk 0:03:39] } 24... Qxa4 { [%eval 0.0] [%clk 0:02:10] } 25. Rxa4 { [%eval 0.0] [%clk 0:03:42] } 25... d5 { [%eval 0.04] [%clk 0:00:38] } 26. Rxb4 { [%eval -0.27] [%clk 0:00:55] } 26... cxb4 { [%eval -0.52] [%clk 0:00:40] } 27. Bxa7?! { [%eval -1.63] } { Inaccuracy. Bb5 was best. } { [%clk 0:00:58] } 27... dxc4 { [%eval -1.45] [%clk 0:00:44] } 28. Rc1 { [%eval -1.83] [%clk 0:00:47] } 28... Rc8 { [%eval -1.69] [%clk 0:00:44] } 29. Kg1?! { [%eval -2.37] } { Inaccuracy. Bd4 was best. } { [%clk 0:00:45] } 29... b3? { [%eval -0.66] } { Mistake. g6 was best. } { [%clk 0:00:16] } 30. Bd4 { [%eval -0.29] [%clk 0:00:41] } 30... Bb4 { [%eval -0.23] [%clk 0:00:14] } 31. Kf2 { [%eval -0.3] [%clk 0:00:41] } 31... f6 { [%eval -0.13] [%clk 0:00:11] } 32. Ke3?! { [%eval -1.05] } { Inaccuracy. Ra1 was best. } { [%clk 0:00:44] } 32... Bxa5 { [%eval -0.84] [%clk 0:00:10] } 33. Ra1?? { [%eval -3.26] } { Blunder. Bc3 was best. } { [%clk 0:00:25] } 33... Bc7?? { [%eval 0.0] } { Blunder. Bb4 was best. } { [%clk 0:00:14] } 34. Rxa6 { [%eval -0.02] [%clk 0:00:26] } 34... Bxh2 { [%eval -0.06] [%clk 0:00:17] } 35. Kd2 { [%eval -0.57] [%clk 0:00:22] } 35... Bf4+?! { [%eval 0.0] } { Inaccuracy. Bg3 was best. } { [%clk 0:00:10] } 36. Kc3 { [%eval -0.03] [%clk 0:00:25] } 36... Bg3 { [%eval 0.0] [%clk 0:00:14] } 37. Be3 { [%eval 0.0] [%clk 0:00:17] } 37... h5 { [%eval -0.03] [%clk 0:00:07] } 38. Ra4 { [%eval -0.13] [%clk 0:00:17] } 38... Be1+ { [%eval -0.06] [%clk 0:00:06] } 39. Bd2 { [%eval -0.24] [%clk 0:00:22] } 39... Bxd2+ { [%eval -0.22] [%clk 0:00:10] } 40. Kxd2 { [%eval -0.27] [%clk 0:00:26] } 40... Rd8+ { [%eval -0.25] [%clk 0:00:14] } 41. Ke2 { [%eval -0.34] [%clk 0:00:21] } 41... Rd4 { [%eval -0.14] [%clk 0:00:13] } 42. Ke3?? { [%eval -3.01] } { Blunder. Ra1 was best. } { [%clk 0:00:16] } 42... Rd1?? { [%eval -0.3] } { Blunder. Rd3+ was best. } { [%clk 0:00:07] } 43. Rxc4 { [%eval -0.21] [%clk 0:00:20] } 43... Rb1 { [%eval -0.63] [%clk 0:00:11] } 44. g3?? { [%eval -3.38] } { Blunder. Rc8+ was best. } { [%clk 0:00:19] } 44... Rxb2 { [%eval -3.2] [%clk 0:00:14] } 45. Rb4 { [%eval -4.0] [%clk 0:00:23] } 45... Kh7?? { [%eval 0.0] } { Blunder. g5 was best. } { [%clk 0:00:13] } 46. f4 { [%eval -0.19] [%clk 0:00:24] } 46... h4 { [%eval 0.0] [%clk 0:00:09] } 47. gxh4 { [%eval 0.0] [%clk 0:00:27] } 47... Rh2 { [%eval 0.0] [%clk 0:00:13] } 48. h5 { [%eval 0.0] [%clk 0:00:16] } 48... Rxh5 { [%eval -0.02] [%clk 0:00:12] } 49. Kf3 { [%eval 0.0] [%clk 0:00:10] } 49... Rh3+ { [%eval 0.0] [%clk 0:00:15] } 50. Kg4 { [%eval 0.0] [%clk 0:00:14] } 50... Re3 { [%eval 0.0] [%clk 0:00:18] } 51. f5 { [%eval 0.0] [%clk 0:00:15] } 51... b2 { [%eval 0.0] [%clk 0:00:11] } 52. Rxb2 { [%eval 0.0] [%clk 0:00:11] } 52... Rxe4+ { [%eval 0.0] [%clk 0:00:15] } 53. Kf3 { [%eval -0.01] [%clk 0:00:16] } 53... Rh4 { [%eval 0.0] [%clk 0:00:17] } 54. Rb7 { [%eval 0.0] [%clk 0:00:16] } 54... Kh6 { [%eval 0.0] [%clk 0:00:20] } 55. Kg3 { [%eval 0.0] [%clk 0:00:18] } 55... Ra4 { [%eval 0.0] [%clk 0:00:22] } 56. Rc7 { [%eval 0.0] [%clk 0:00:17] } 56... Ra1 { [%eval 0.0] [%clk 0:00:13] } 57. Rb7 { [%eval 0.0] [%clk 0:00:14] } 57... Kh5 { [%eval 0.0] [%clk 0:00:10] } 58. Kh3?? { [%eval -5.46] } { Blunder. Kf4 was best. } { [%clk 0:00:14] } 58... Rg1 { [%eval -5.61] [%clk 0:00:11] } 59. Kh2 { [%eval -6.22] [%clk 0:00:09] } 59... Rg5 { [%eval -6.05] [%clk 0:00:14] } 60. Kh3 { [%eval -5.88] [%clk 0:00:14] } 60... Kh6 { [%eval -6.82] [%clk 0:00:16] } 61. Rb5 { [%eval -6.71] [%clk 0:00:17] } 61... g6 { [%eval -6.57] [%clk 0:00:19] } 62. Kh4 { [%eval -6.61] [%clk 0:00:06] } 62... Rxf5 { [%eval -5.97] [%clk 0:00:21] } 63. Rb8 { [%eval -7.49] [%clk 0:00:09] } 63... Ra5 { [%eval -7.47] [%clk 0:00:23] } 64. Kg3 { [%eval -7.46] [%clk 0:00:09] } 64... Ra3+ { [%eval -7.27] [%clk 0:00:25] } 65. Kg4 { [%eval -7.09] [%clk 0:00:13] } 65... Ra4+ { [%eval -7.1] [%clk 0:00:29] } 66. Kg3 { [%eval -7.34] [%clk 0:00:17] } 66... Kg5 { [%eval -7.18] [%clk 0:00:33] } 67. Rb5+ { [%eval -7.19] [%clk 0:00:18] } 67... f5 { [%eval -6.68] [%clk 0:00:38] } 68. Rb6 { [%eval -8.68] [%clk 0:00:22] } 68... Ra3+ { [%eval -8.31] [%clk 0:00:42] } 69. Kg2 { [%eval -8.37] [%clk 0:00:25] } 69... Kh5 { [%eval -7.86] [%clk 0:00:45] } 70. Kh2 { [%eval -8.02] [%clk 0:00:28] } 70... g5 { [%eval -9.77] [%clk 0:00:49] } 71. Kg2 { [%eval -9.59] [%clk 0:00:28] } 71... Kg4 { [%eval -8.94] [%clk 0:00:52] } 72. Rb4+ { [%eval -8.65] [%clk 0:00:31] } 72... f4 { [%eval -8.33] [%clk 0:00:56] } 73. Rb2 { [%eval -8.12] [%clk 0:00:35] } 73... Kh4 { [%eval -7.75] [%clk 0:00:56] } 74. Kh1? { [%eval #-18] } { Checkmate is now unavoidable. Rb7 was best. } { [%clk 0:00:38] } 74... g4 { [%eval #-17] [%clk 0:00:57] } 75. Kg1 { [%eval -80.4] [%clk 0:00:33] } 75... g3 { [%eval -9.77] [%clk 0:00:44] } 76. Kg2? { [%eval #-3] } { Checkmate is now unavoidable. Rb7 was best. } { [%clk 0:00:28] } 76... f3+ { [%eval #-2] [%clk 0:00:44] } 77. Kh1 { [%eval #-2] [%clk 0:00:32] } 77... Ra1+ { [%eval #-1] [%clk 0:00:48] } 0-1