Event: Round 4: Koppe, Connor - Demchenko, Yaroslav
Site: https://lichess.org/broadcast/bavarian-individual-championships-2025--open/round-4/N0JYl1yy/WIdDCgXC
White: Koppe, Connor
WhiteElo: 1999
Black: Demchenko, Yaroslav
BlackTitle: CM
BlackElo: 2217
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Closed, Traditional
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.24] [%clk 1:30:24] } 2. Nc3 { [%eval 0.26] [%clk 1:31:22] } 2... Nc6 { [%eval 0.23] [%clk 1:30:44] } 3. Bb5 { [%eval 0.0] [%clk 1:31:45] } 3... Nd4 { [%eval 0.0] [%clk 1:30:09] } 4. Nf3 { [%eval 0.0] [%clk 1:32:07] } 4... a6 { [%eval 0.0] [%clk 1:30:23] } 5. Bd3 { [%eval 0.0] [%clk 1:32:18] } 5... g6 { [%eval 0.0] [%clk 1:30:08] } 6. Nxd4 { [%eval 0.0] [%clk 1:32:26] } 6... cxd4 { [%eval 0.0] [%clk 1:30:34] } 7. Ne2 { [%eval 0.0] [%clk 1:32:49] } 7... d5 { [%eval 0.0] [%clk 1:28:14] } 8. e5 { [%eval -0.21] [%clk 1:28:12] } 8... Bg7 { [%eval -0.23] [%clk 1:28:22] } 9. f4 { [%eval -0.23] [%clk 1:25:06] } 9... f6 { [%eval -0.23] [%clk 1:28:27] } 10. exf6 { [%eval -0.66] [%clk 1:23:23] } 10... Nxf6 { [%eval -0.65] [%clk 1:27:32] } 11. b3?! { [%eval -1.64] } { Inaccuracy. O-O was best. } { [%clk 1:20:16] } 11... O-O?! { [%eval -0.59] } { Inaccuracy. Nh5 was best. } { [%clk 1:19:29] } 12. O-O { [%eval -0.49] [%clk 1:19:25] } 12... Ne4 { [%eval -0.49] [%clk 1:13:33] } 13. Bb2 { [%eval -0.84] [%clk 1:14:21] } 13... Qb6 { [%eval -0.5] [%clk 1:05:18] } 14. Kh1 { [%eval -0.91] [%clk 1:09:33] } 14... Bd7 { [%eval -0.96] [%clk 0:46:04] } 15. Bxe4?! { [%eval -1.72] } { Inaccuracy. a4 was best. } { [%clk 1:05:17] } 15... dxe4 { [%eval -1.8] [%clk 0:43:58] } 16. Ng3 { [%eval -1.82] [%clk 1:05:21] } 16... Qe6 { [%eval -1.77] [%clk 0:31:24] } 17. Qe1 { [%eval -1.57] [%clk 0:58:12] } 17... Bc6 { [%eval -1.63] [%clk 0:26:56] } 18. c3 { [%eval -1.37] [%clk 0:53:49] } 18... dxc3?! { [%eval -0.53] } { Inaccuracy. h5 was best. } { [%clk 0:21:34] } 19. Bxc3 { [%eval -0.39] [%clk 0:53:34] } 19... Bxc3 { [%eval -0.21] [%clk 0:19:04] } 20. dxc3 { [%eval -0.3] [%clk 0:53:46] } 20... Rad8 { [%eval -0.35] [%clk 0:19:05] } 21. Rd1?? { [%eval -2.37] } { Blunder. Qe2 was best. } { [%clk 0:51:10] } 21... e3 { [%eval -2.34] [%clk 0:11:57] } 22. Rxd8?! { [%eval -3.81] } { Inaccuracy. Kg1 was best. } { [%clk 0:49:22] } 22... Rxd8 { [%eval -3.7] [%clk 0:12:26] } 23. f5 { [%eval -3.48] [%clk 0:49:28] } 23... Qd5?! { [%eval -2.71] } { Inaccuracy. Qe5 was best. } { [%clk 0:12:34] } 24. Qe2 { [%eval -2.98] [%clk 0:46:57] } 24... Qd2 { [%eval -2.87] [%clk 0:12:50] } 25. fxg6 { [%eval -2.94] [%clk 0:46:07] } 25... hxg6 { [%eval -2.91] [%clk 0:13:08] } 26. Re1 { [%eval -2.84] [%clk 0:41:30] } 26... Qxe2 { [%eval -2.98] [%clk 0:13:32] } 27. Nxe2 { [%eval -2.83] [%clk 0:41:55] } 27... Rd2 { [%eval -2.78] [%clk 0:13:54] } 28. h3?! { [%eval -3.81] } { Inaccuracy. Kg1 was best. } { [%clk 0:38:56] } 28... e5 { [%eval -3.7] [%clk 0:13:38] } 29. Kh2 { [%eval -4.31] [%clk 0:37:26] } 29... Rxa2 { [%eval -4.17] [%clk 0:13:28] } 30. Kg3 { [%eval -4.42] [%clk 0:37:34] } 30... a5 { [%eval -4.46] [%clk 0:12:58] } 31. Kg4 { [%eval -4.44] [%clk 0:37:18] } 31... Rb2 { [%eval -4.52] [%clk 0:10:33] } 32. Ng3 { [%eval -4.61] [%clk 0:35:25] } 32... Rxb3 { [%eval -4.53] [%clk 0:10:49] } 33. Rxe3 { [%eval -4.56] [%clk 0:35:40] } 33... a4 { [%eval -4.38] [%clk 0:11:08] } 34. Rxe5 { [%eval -5.01] [%clk 0:36:01] } 34... Rxc3 { [%eval -4.91] [%clk 0:11:18] } 35. Ra5 { [%eval -5.34] [%clk 0:36:11] } 35... Kf7 { [%eval -4.5] [%clk 0:04:14] } 36. Ne2 { [%eval -4.63] [%clk 0:35:51] } 36... Rc4+ { [%eval -4.72] [%clk 0:02:34] } 37. Nf4 { [%eval -4.8] [%clk 0:36:13] } 37... Bxg2 { [%eval -4.53] [%clk 0:02:30] } 38. Kg5 { [%eval -4.67] [%clk 0:35:41] } 38... Be4 { [%eval -4.64] [%clk 0:02:31] } 39. Ra7 { [%eval -4.88] [%clk 0:35:22] } 39... Rc5+ { [%eval -4.93] [%clk 0:02:15] } 40. Kg4 { [%eval -4.79] [%clk 0:33:01] } 40... Bc6 { [%eval -4.69] [%clk 0:02:30] } 41. Nd3 { [%eval -4.8] [%clk 0:31:46] } 41... Rd5 { [%eval -4.7] [%clk 0:00:45] } 42. Nf4 { [%eval -5.2] [%clk 0:31:49] } 42... Rc5 { [%eval -4.88] [%clk 0:20:47] } 43. Nd3 { [%eval -5.3] [%clk 1:01:56] } 43... Rc3 { [%eval -5.21] [%clk 0:21:01] } 44. Ne5+ { [%eval -5.27] [%clk 1:01:30] } 44... Kf6 { [%eval -5.31] [%clk 0:21:20] } 45. Nxc6 { [%eval -5.23] [%clk 1:01:52] } 45... Rc4+ { [%eval -5.23] [%clk 0:21:43] } 46. Kf3 { [%eval -5.23] [%clk 1:01:01] } 46... bxc6 { [%eval -5.28] [%clk 0:22:06] } 47. Ra6 { [%eval -5.18] [%clk 1:01:27] } 47... Kf5 { [%eval -5.17] [%clk 0:22:31] } 48. Ke3 { [%eval -5.39] [%clk 1:01:47] } 48... c5 { [%eval -5.23] [%clk 0:22:02] } 49. Kd3 { [%eval -5.4] [%clk 1:01:48] } 49... Rh4 { [%eval -4.95] [%clk 0:22:26] } 50. Ra5?! { [%eval -6.46] } { Inaccuracy. Ke2 was best. } { [%clk 1:02:07] } 50... Rxh3+ { [%eval -6.21] [%clk 0:22:49] } 51. Kc4 { [%eval -6.25] [%clk 1:02:31] } 51... Rh1 { [%eval -5.95] [%clk 0:22:16] } 52. Kxc5 { [%eval -5.45] [%clk 1:02:40] } 52... Rd1 { [%eval -5.46] [%clk 0:22:35] } 53. Rxa4 { [%eval -5.39] [%clk 1:02:30] } 53... g5 { [%eval -4.7] [%clk 0:22:58] } 0-1