Event: Round 8: Tonndorf, Matthias - Eckert, Doug
Date: 2025-05-14
White: Tonndorf, Matthias
WhiteTitle: FM
WhiteElo: 2139
Black: Eckert, Doug
BlackTitle: FM
BlackElo: 2146
Result: 0-1
ECO: C78
Opening: Ruy Lopez: Morphy Defense
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:15:47] } 1... e5 { [%eval 0.21] [%clk 1:14:43] } 2. Nf3 { [%eval 0.13] [%clk 1:15:41] } 2... Nc6 { [%eval 0.21] [%clk 1:15:09] } 3. Bb5 { [%eval 0.15] [%clk 1:16:04] } 3... a6 { [%eval 0.21] [%clk 1:15:30] } 4. Ba4 { [%eval 0.11] [%clk 1:16:27] } 4... Nf6 { [%eval 0.18] [%clk 1:15:50] } 5. O-O { [%eval 0.13] [%clk 1:16:46] } 5... b5 { [%eval 0.24] [%clk 1:16:16] } 6. Bb3 { [%eval 0.29] [%clk 1:17:07] } 6... Bc5 { [%eval 0.33] [%clk 1:16:44] } 7. Nxe5 { [%eval 0.0] [%clk 1:12:14] } 7... Nxe5 { [%eval 0.08] [%clk 1:17:06] } 8. d4 { [%eval 0.04] [%clk 1:12:39] } 8... Bxd4 { [%eval 0.08] [%clk 1:17:20] } 9. Qxd4 { [%eval 0.1] [%clk 1:12:56] } 9... d6 { [%eval 0.06] [%clk 1:17:25] } 10. c3 { [%eval -0.2] [%clk 1:09:07] } 10... c5 { [%eval -0.22] [%clk 1:07:37] } 11. Qe3 { [%eval -0.21] [%clk 1:08:29] } 11... O-O { [%eval -0.23] [%clk 1:02:29] } 12. Nd2 { [%eval -0.25] [%clk 1:06:40] } 12... Re8 { [%eval -0.17] [%clk 0:57:19] } 13. Bc2 { [%eval -0.33] [%clk 1:04:38] } 13... Bb7 { [%eval -0.32] [%clk 0:54:11] } 14. a4 { [%eval -0.47] [%clk 1:00:58] } 14... Rc8 { [%eval -0.24] [%clk 0:43:45] } 15. axb5 { [%eval -0.27] [%clk 1:00:25] } 15... axb5 { [%eval -0.3] [%clk 0:44:12] } 16. Rd1 { [%eval -0.3] [%clk 0:42:45] } 16... d5 { [%eval -0.21] [%clk 0:33:56] } 17. exd5 { [%eval -0.45] [%clk 0:36:46] } 17... Neg4? { [%eval 0.71] } { Mistake. Qxd5 was best. } { [%clk 0:29:07] } 18. Qg3 { [%eval 0.49] [%clk 0:34:14] } 18... Qxd5 { [%eval 0.55] [%clk 0:26:56] } 19. h3 { [%eval 0.25] [%clk 0:31:58] } 19... Ne5 { [%eval 0.24] [%clk 0:25:09] } 20. Nf1 { [%eval 0.24] [%clk 0:25:26] } 20... Qe6 { [%eval 0.27] [%clk 0:19:49] } 21. Bg5 { [%eval -0.07] [%clk 0:22:58] } 21... Ne4 { [%eval 0.04] [%clk 0:16:16] } 22. Bxe4 { [%eval 0.06] [%clk 0:22:23] } 22... Bxe4 { [%eval 0.14] [%clk 0:16:42] } 23. Re1 { [%eval 0.09] [%clk 0:21:36] } 23... Nd3?! { [%eval 1.07] } { Inaccuracy. Qf5 was best. } { [%clk 0:16:33] } 24. Re2? { [%eval -0.26] } { Mistake. f3 was best. } { [%clk 0:20:49] } 24... Qg6 { [%eval -0.25] [%clk 0:15:53] } 25. Be3 { [%eval -0.29] [%clk 0:11:52] } 25... h6 { [%eval -0.06] [%clk 0:13:52] } 26. Ra5?! { [%eval -0.61] } { Inaccuracy. Qxg6 was best. } { [%clk 0:10:28] } 26... b4?! { [%eval -0.06] } { Inaccuracy. Qc6 was best. } { [%clk 0:12:14] } 27. c4? { [%eval -1.4] } { Mistake. cxb4 was best. } { [%clk 0:09:19] } 27... Ra8? { [%eval -0.07] } { Mistake. Qf6 was best. } { [%clk 0:10:37] } 28. Rxa8?! { [%eval -0.67] } { Inaccuracy. Qxg6 was best. } { [%clk 0:05:05] } 28... Rxa8 { [%eval -0.42] [%clk 0:10:47] } 29. Kh2 { [%eval -0.47] [%clk 0:04:30] } 29... Ra2 { [%eval -0.4] [%clk 0:10:09] } 30. Qb8+ { [%eval -0.49] [%clk 0:04:30] } 30... Kh7 { [%eval -0.59] [%clk 0:10:18] } 31. Ng3 { [%eval -0.57] [%clk 0:04:34] } 31... Bc6 { [%eval -0.52] [%clk 0:07:15] } 32. Qb6?? { [%eval -2.89] } { Blunder. Rd2 was best. } { [%clk 0:03:41] } 32... f5 { [%eval -2.38] [%clk 0:06:08] } 33. f4?! { [%eval -3.58] } { Inaccuracy. Bxc5 was best. } { [%clk 0:03:56] } 33... Be4?? { [%eval -0.38] } { Blunder. Nxb2 was best. } { [%clk 0:04:23] } 34. Qc7 { [%eval -0.51] [%clk 0:03:49] } 34... Rxb2 { [%eval 0.0] [%clk 0:02:49] } 35. Rxb2 { [%eval 0.0] [%clk 0:03:42] } 35... Nxb2 { [%eval 0.0] [%clk 0:03:15] } 36. Bxc5 { [%eval -0.03] [%clk 0:02:46] } 36... Nd3 { [%eval -0.03] [%clk 0:03:20] } 37. Nxe4?? { [%eval -4.31] } { Blunder. Bd4 was best. } { [%clk 0:02:38] } 37... fxe4 { [%eval -4.23] [%clk 0:03:42] } 38. Be3 { [%eval -4.8] [%clk 0:01:34] } 38... Ne1 { [%eval -5.01] [%clk 0:02:48] } 39. g4 { [%eval -5.07] [%clk 0:01:41] } 39... Nf3+?? { [%eval 0.0] } { Blunder. Qf6 was best. } { [%clk 0:01:55] } 40. Kg3 { [%eval 0.0] [%clk 0:01:55] } 40... h5 { [%eval 0.0] [%clk 0:00:58] } 41. f5 { [%eval -0.16] [%clk 0:01:45] } 41... Qf6 { [%eval -0.26] [%clk 0:00:42] } 42. c5?? { [%eval -5.79] } { Blunder. Kf4 was best. } { [%clk 0:00:44] } 42... b3 { [%eval -5.8] [%clk 0:01:01] } 43. gxh5 { [%eval -6.68] [%clk 0:25:24] } 43... b2 { [%eval -6.64] [%clk 0:20:46] } 44. Qb7 { [%eval -8.39] [%clk 0:24:50] } 44... Qe5+ { [%eval -8.23] [%clk 0:17:37] } 45. Bf4 { [%eval -7.83] [%clk 0:22:37] } 45... Qd4 { [%eval -8.7] [%clk 0:17:56] } 46. Kg4 { [%eval -8.73] [%clk 0:19:49] } 46... Qg1+ { [%eval -9.02] [%clk 0:17:34] } 47. Bg3 { [%eval -8.63] [%clk 0:20:11] } 47... b1=Q { [%eval -7.44] [%clk 0:17:34] } 48. c6? { [%eval #-5] } { Checkmate is now unavoidable. Qxb1 was best. } { [%clk 0:17:09] } 48... Qbc1 { [%eval #-4] [%clk 0:13:38] } 49. Qe7 { [%eval #-3] [%clk 0:14:51] } 49... Nh2+ { [%eval #-2] [%clk 0:09:42] } 50. Kh4 { [%eval #-2] [%clk 0:14:47] } 50... Nf1 { [%eval #-8] [%clk 0:09:46] } 0-1