Event: Round 7: Koellner, Ruben Gideon - Ermitsch, Magnus
Site: https://lichess.org/broadcast/berlin-u25-open--rapid/round-7/piQ0K8i9/iO6TNOXu
Date: 2025-11-15
White: Koellner, Ruben Gideon
WhiteTitle: IM
WhiteElo: 2438
Black: Ermitsch, Magnus
BlackTitle: IM
BlackElo: 2261
Result: 0-1
ECO: D04
Opening: Queen's Pawn Game: Colle System
Variant: Standard
TimeControl: 10+5

1. d4 { [%eval 0.17] [%clk 0:10:09] } 1... d5 { [%eval 0.18] [%clk 0:10:10] } 2. Nf3 { [%eval 0.08] [%clk 0:10:13] } 2... Nf6 { [%eval 0.11] [%clk 0:10:14] } 3. e3 { [%eval 0.0] [%clk 0:10:17] } 3... g6 { [%eval 0.32] [%clk 0:10:13] } 4. Nbd2 { [%eval 0.0] [%clk 0:10:19] } 4... Bg7 { [%eval 0.0] [%clk 0:10:17] } 5. b4 { [%eval 0.0] [%clk 0:10:22] } 5... O-O { [%eval 0.16] [%clk 0:10:17] } 6. c4 { [%eval 0.0] [%clk 0:10:26] } 6... c6 { [%eval 0.09] [%clk 0:10:15] } 7. a4 { [%eval 0.11] [%clk 0:10:25] } 7... Nbd7 { [%eval 0.09] [%clk 0:09:40] } 8. Bb2 { [%eval 0.15] [%clk 0:10:27] } 8... b6 { [%eval 0.39] [%clk 0:08:48] } 9. Be2 { [%eval 0.48] [%clk 0:09:58] } 9... c5 { [%eval 0.66] [%clk 0:08:41] } 10. dxc5 { [%eval 0.69] [%clk 0:10:01] } 10... bxc5 { [%eval 0.69] [%clk 0:08:44] } 11. b5 { [%eval 0.62] [%clk 0:10:02] } 11... e6 { [%eval 0.64] [%clk 0:08:39] } 12. O-O { [%eval 0.63] [%clk 0:09:54] } 12... a6 { [%eval 1.08] [%clk 0:08:43] } 13. Qc2 { [%eval 1.05] [%clk 0:09:34] } 13... Re8 { [%eval 1.3] [%clk 0:08:34] } 14. Rfd1 { [%eval 1.3] [%clk 0:09:14] } 14... Bb7 { [%eval 1.28] [%clk 0:08:34] } 15. Bc3?! { [%eval 0.52] } { Inaccuracy. Ne5 was best. } { [%clk 0:08:51] } 15... axb5 { [%eval 0.35] [%clk 0:08:30] } 16. axb5 { [%eval 0.24] [%clk 0:07:47] } 16... Qb6 { [%eval 0.34] [%clk 0:07:31] } 17. Qb2 { [%eval 0.33] [%clk 0:07:23] } 17... Rxa1 { [%eval 0.68] [%clk 0:07:15] } 18. Rxa1 { [%eval 0.79] [%clk 0:07:25] } 18... Ra8 { [%eval 1.11] [%clk 0:07:20] } 19. Rc1?! { [%eval 0.06] } { Inaccuracy. Rxa8+ was best. } { [%clk 0:06:05] } 19... Qa7 { [%eval 0.02] [%clk 0:05:47] } 20. h3 { [%eval -0.3] [%clk 0:04:58] } 20... Qa2 { [%eval -0.35] [%clk 0:05:36] } 21. Qxa2 { [%eval -0.32] [%clk 0:03:08] } 21... Rxa2 { [%eval -0.32] [%clk 0:05:40] } 22. Bd1 { [%eval -0.5] [%clk 0:03:02] } 22... Ne4 { [%eval -0.37] [%clk 0:04:58] } 23. Bxg7 { [%eval -0.7] [%clk 0:00:33] } 23... Kxg7 { [%eval -0.82] [%clk 0:04:41] } 24. Bb3?? { [%eval -3.41] } { Blunder. Nxe4 was best. } { [%clk 0:00:08] } 24... Rxd2 { [%eval -3.37] [%clk 0:04:38] } 25. Nxd2 { [%eval -3.39] [%clk 0:00:07] } 25... Nxd2 { [%eval -3.18] [%clk 0:04:42] } 26. Ba2 { [%eval -3.66] [%clk 0:00:09] } 26... Nxc4 { [%eval -3.56] [%clk 0:03:12] } 27. Bxc4 { [%eval -3.41] [%clk 0:00:13] } 27... dxc4 { [%eval -3.39] [%clk 0:03:16] } 28. Rxc4 { [%eval -3.2] [%clk 0:00:17] } 28... Bd5 { [%eval -2.87] [%clk 0:03:10] } 29. Rc1?! { [%eval -3.65] } { Inaccuracy. Ra4 was best. } { [%clk 0:00:19] } 29... Kf6 { [%eval -3.69] [%clk 0:02:51] } 30. f3 { [%eval -3.49] [%clk 0:00:15] } 30... Ke7 { [%eval -3.26] [%clk 0:02:49] } 31. e4 { [%eval -3.52] [%clk 0:00:14] } 31... Bb3 { [%eval -3.32] [%clk 0:02:49] } 32. b6?! { [%eval -4.95] } { Inaccuracy. Kf2 was best. } { [%clk 0:00:08] } 32... c4 { [%eval -4.74] [%clk 0:02:30] } 33. b7 { [%eval -4.94] [%clk 0:00:12] } 33... Kd6 { [%eval -4.94] [%clk 0:02:30] } 34. Kf2 { [%eval -4.94] [%clk 0:00:12] } 34... Kc7 { [%eval -4.81] [%clk 0:02:32] } 35. Ke3 { [%eval -4.77] [%clk 0:00:15] } 35... e5 { [%eval -4.63] [%clk 0:02:32] } 36. f4 { [%eval -4.45] [%clk 0:00:13] } 36... f6 { [%eval -4.35] [%clk 0:01:27] } 37. g4 { [%eval -4.76] [%clk 0:00:12] } 37... Nc5 { [%eval -4.77] [%clk 0:01:20] } 38. fxe5 { [%eval -5.97] [%clk 0:00:08] } 38... fxe5 { [%eval -5.91] [%clk 0:01:22] } 39. Rf1 { [%eval -7.19] [%clk 0:00:11] } 39... c3 { [%eval -6.99] [%clk 0:01:13] } 40. Rc1 { [%eval -6.92] [%clk 0:00:06] } 40... c2 { [%eval -7.05] [%clk 0:01:11] } 41. Rf1 { [%eval -7.79] [%clk 0:00:09] } 41... Kxb7 { [%eval -7.46] [%clk 0:01:09] } 42. Kd2 { [%eval -8.13] [%clk 0:00:13] } 42... Nxe4+ { [%eval -8.03] [%clk 0:01:06] } 43. Kc1 { [%eval -8.25] [%clk 0:00:17] } 43... Nc3 { [%eval -8.45] [%clk 0:01:03] } 44. Kb2 { [%eval -8.37] [%clk 0:00:16] } 44... Ne2 { [%eval -8.09] [%clk 0:01:06] } 45. Kxb3 { [%eval -8.81] [%clk 0:00:16] } 45... c1=Q { [%eval -8.31] [%clk 0:01:09] } 46. Rxc1 { [%eval -81.22] [%clk 0:00:20] } 46... Nxc1+ { [%eval -11.38] [%clk 0:01:13] } 47. Kc2 { [%eval -9.85] [%clk 0:00:24] } 47... Na2 { [%eval -10.09] [%clk 0:01:02] } 48. Kb3 { [%eval -9.38] [%clk 0:00:25] } 48... Kc6 { [%eval -9.99] [%clk 0:01:03] } 49. Kxa2 { [%eval -14.64] [%clk 0:00:29] } 49... Kd5 { [%eval -65.96] [%clk 0:01:07] } 50. Kb3 { [%eval -83.08] [%clk 0:00:32] } 50... Ke4 { [%eval -45.82] [%clk 0:01:11] } 51. Kc2 { [%eval -73.76] [%clk 0:00:36] } 51... Kf3 { [%eval -73.19] [%clk 0:01:15] } 52. Kd1 { [%eval -73.4] [%clk 0:00:40] } 52... Kg3 { [%eval -73.32] [%clk 0:01:16] } 53. Ke2 { [%eval -83.08] [%clk 0:00:44] } 53... Kxh3 { [%eval -71.06] [%clk 0:01:17] } 54. Ke3 { [%eval -40.78] [%clk 0:00:49] } 54... Kxg4 { [%eval -16.07] [%clk 0:01:21] } 55. Ke4 { [%eval -60.52] [%clk 0:00:53] } 55... h5 { [%eval #-14] [%clk 0:01:25] } 0-1