Event: Biel Chess Festival MTO
Site: Biel, Switzerland
Date: 2024-07-18
White: Dotzer, Lukas
WhiteTitle: FM
WhiteElo: 2375
Black: Song, Ethan
BlackTitle: CM
BlackElo: 2244
Result: 1/2-1/2
ECO: C67
Opening: Ruy Lopez: Berlin Defense, Rio Gambit Accepted
Variant: Standard
TimeControl: 100'/40, fb 50'/20, fb 15' + 30''/mv

1. e4 { [%eval 0.15] [%clk 1:40:58] } 1... e5 { [%eval 0.21] [%clk 1:40:54] } 2. Nf3 { [%eval 0.11] [%clk 1:41:21] } 2... Nc6 { [%eval 0.19] [%clk 1:41:20] } 3. Bb5 { [%eval 0.16] [%clk 1:41:44] } 3... Nf6 { [%eval 0.19] [%clk 1:41:44] } 4. O-O { [%eval 0.16] [%clk 1:42:08] } 4... Nxe4 { [%eval 0.23] [%clk 1:41:57] } 5. Re1 { [%eval 0.27] [%clk 1:42:26] } 5... Nd6 { [%eval 0.15] [%clk 1:42:14] } 6. a4 { [%eval 0.04] [%clk 1:42:49] } 6... Be7 { [%eval 0.09] [%clk 1:42:08] } 7. Nc3 { [%eval 0.08] [%clk 1:43:05] } 7... a6 { [%eval 0.07] [%clk 1:42:11] } 8. Bf1 { [%eval 0.1] [%clk 1:42:59] } 8... e4 { [%eval 0.08] [%clk 1:41:17] } 9. Nxe4 { [%eval 0.1] [%clk 1:43:21] } 9... Nxe4 { [%eval 0.04] [%clk 1:41:40] } 10. Rxe4 { [%eval 0.14] [%clk 1:43:00] } 10... d5 { [%eval 0.12] [%clk 1:41:57] } 11. Re1 { [%eval 0.1] [%clk 1:43:44] } 11... d4 { [%eval 0.09] [%clk 1:40:25] } 12. Bc4 { [%eval 0.06] [%clk 1:42:04] } 12... O-O { [%eval 0.12] [%clk 1:39:29] } 13. d3 { [%eval 0.12] [%clk 1:41:47] } 13... h6 { [%eval 0.12] [%clk 1:39:08] } 14. Bd2 { [%eval 0.0] [%clk 1:33:30] } 14... Bd6 { [%eval 0.04] [%clk 1:30:34] } 15. h3 { [%eval 0.0] [%clk 1:18:13] } 15... Qf6 { [%eval -0.04] [%clk 1:17:54] } 16. Bd5 { [%eval 0.0] [%clk 1:09:56] } 16... Ne7 { [%eval 0.02] [%clk 1:14:46] } 17. Be4 { [%eval 0.02] [%clk 1:01:44] } 17... Ng6 { [%eval 0.47] [%clk 1:12:09] } 18. c3 { [%eval 0.51] [%clk 0:52:36] } 18... c5 { [%eval 0.51] [%clk 1:12:03] } 19. cxd4 { [%eval 0.58] [%clk 0:50:28] } 19... cxd4 { [%eval 0.52] [%clk 1:12:26] } 20. Qb3 { [%eval 0.27] [%clk 0:46:34] } 20... Be6?! { [%eval 1.08] } { Inaccuracy. Rb8 was best. } { [%clk 1:08:12] } 21. Bd5?! { [%eval 0.16] } { Inaccuracy. Qxb7 was best. } { [%clk 0:28:20] } 21... Bxd5 { [%eval 0.14] [%clk 1:02:52] } 22. Qxd5 { [%eval 0.17] [%clk 0:28:38] } 22... Bf4 { [%eval 0.22] [%clk 1:00:22] } 23. Ba5 { [%eval 0.02] [%clk 0:20:33] } 23... b6 { [%eval 0.03] [%clk 0:58:59] } 24. Bb4 { [%eval 0.02] [%clk 0:20:58] } 24... Rfd8 { [%eval 0.16] [%clk 0:58:15] } 25. Qb7 { [%eval 0.21] [%clk 0:18:33] } 25... a5 { [%eval 0.25] [%clk 0:50:19] } 26. Ba3 { [%eval -0.01] [%clk 0:12:35] } 26... Rab8 { [%eval 0.0] [%clk 0:48:05] } 27. Qe4 { [%eval -0.12] [%clk 0:09:54] } 27... Rbc8 { [%eval 0.06] [%clk 0:46:47] } 28. h4 { [%eval 0.0] [%clk 0:05:10] } 28... Bd6 { [%eval 0.01] [%clk 0:43:33] } 29. g3 { [%eval -0.3] [%clk 0:03:53] } 29... Bxa3 { [%eval -0.27] [%clk 0:42:07] } 30. Rxa3 { [%eval -0.38] [%clk 0:04:15] } 30... Nf8 { [%eval -0.44] [%clk 0:36:52] } 31. Ne5 { [%eval -0.87] [%clk 0:01:03] } 31... Rc2 { [%eval -0.94] [%clk 0:35:06] } 32. Ng4 { [%eval -0.97] [%clk 0:00:42] } 32... Qe6 { [%eval -0.78] [%clk 0:34:38] } 33. Ne5 { [%eval -1.2] [%clk 0:00:47] } 33... Rxb2?! { [%eval -0.49] } { Inaccuracy. f5 was best. } { [%clk 0:34:08] } 34. Nc6?? { [%eval -2.26] } { Blunder. Raa1 was best. } { [%clk 0:00:50] } 34... Re8 { [%eval -2.35] [%clk 0:27:26] } 35. Raa1 { [%eval -2.42] [%clk 0:00:41] } 35... Qxe4 { [%eval -2.34] [%clk 0:24:15] } 36. dxe4 { [%eval -2.42] [%clk 0:00:56] } 36... d3 { [%eval -2.24] [%clk 0:23:46] } 37. Rad1 { [%eval -2.07] [%clk 0:00:42] } 37... Re2 { [%eval -2.33] [%clk 0:22:56] } 38. f3 { [%eval -2.21] [%clk 0:00:37] } 38... f5 { [%eval -1.92] [%clk 0:17:49] } 39. Rxe2 { [%eval -1.72] [%clk 0:00:45] } 39... dxe2 { [%eval -1.75] [%clk 0:18:09] } 40. Re1 { [%eval -1.88] [%clk 0:01:10] } 40... fxe4 { [%eval -1.78] [%clk 0:17:36] } 41. Rxe2 { [%eval -1.66] [%clk 0:45:25] } 41... e3 { [%eval -1.38] [%clk 1:07:34] } 42. Kf1 { [%eval -1.4] [%clk 0:39:17] } 42... Nd7 { [%eval -1.39] [%clk 1:07:02] } 43. Ra2 { [%eval -1.13] [%clk 0:25:15] } 43... Nc5?! { [%eval -0.32] } { Inaccuracy. Nf6 was best. } { [%clk 1:03:50] } 44. Ke2 { [%eval -0.3] [%clk 0:23:28] } 44... Nb3 { [%eval 0.0] [%clk 1:02:58] } 45. Rc2 { [%eval 0.0] [%clk 0:17:13] } 45... Re6 { [%eval 0.0] [%clk 1:01:28] } 46. Rc3 { [%eval 0.0] [%clk 0:17:11] } 46... Nc5 { [%eval 0.0] [%clk 1:00:35] } 47. Nxa5 { [%eval 0.0] [%clk 0:17:22] } 47... Nxa4 { [%eval 0.0] [%clk 1:00:50] } 48. Ra3 { [%eval -0.05] [%clk 0:13:37] } 48... bxa5 { [%eval 0.0] [%clk 1:00:08] } 49. Rxa4 { [%eval 0.0] [%clk 0:14:01] } 49... Re5 { [%eval 0.0] [%clk 1:00:33] } 50. f4 { [%eval 0.0] [%clk 0:09:54] } 50... Rb5 { [%eval 0.0] [%clk 1:00:58] } 51. Kxe3 { [%eval 0.0] [%clk 0:09:32] } 51... h5 { [%eval 0.0] [%clk 1:00:19] } 52. Kf3 { [%eval 0.0] [%clk 0:09:25] } 52... Rb3+ { [%clk 1:00:23] } 53. Kg2 { [%clk 0:09:39] } 53... Rb2+ { [%clk 1:00:48] } 54. Kf3 { [%clk 0:10:00] } 54... Rb3+ { [%clk 1:01:14] } 55. Kg2 { [%clk 0:10:24] } 1/2-1/2