Event: Round 4: Richter, Christian - Donchenko, Alexander
Date: 2025-05-24
White: Richter, Christian
WhiteTitle: IM
WhiteElo: 2342
Black: Donchenko, Alexander
BlackTitle: GM
BlackElo: 2578
Result: 0-1
ECO: D38
Opening: Queen's Gambit Declined: Ragozin Defense, Alekhine Variation
Variant: Standard
TimeControl: 3+2

1. d4 { [%eval 0.17] [%clk 0:03:03] } 1... Nf6 { [%eval 0.19] [%clk 0:03:03] } 2. Nf3 { [%eval 0.11] [%clk 0:03:04] } 2... d5 { [%eval 0.11] [%clk 0:03:04] } 3. c4 { [%eval 0.22] [%clk 0:03:04] } 3... e6 { [%eval 0.17] [%clk 0:03:05] } 4. Nc3 { [%eval 0.1] [%clk 0:03:05] } 4... Bb4 { [%eval 0.16] [%clk 0:03:05] } 5. Qa4+ { [%eval 0.13] [%clk 0:03:03] } 5... Nc6 { [%eval 0.14] [%clk 0:03:06] } 6. cxd5 { [%eval 0.16] [%clk 0:03:04] } 6... exd5 { [%eval 0.17] [%clk 0:03:07] } 7. Bg5 { [%eval 0.09] [%clk 0:03:04] } 7... h6 { [%eval 0.18] [%clk 0:03:04] } 8. Bxf6 { [%eval 0.0] [%clk 0:03:04] } 8... Qxf6 { [%eval 0.0] [%clk 0:03:04] } 9. e3 { [%eval 0.0] [%clk 0:03:05] } 9... O-O { [%eval 0.0] [%clk 0:03:04] } 10. Be2 { [%eval 0.0] [%clk 0:03:05] } 10... Bd7 { [%eval 0.18] [%clk 0:03:01] } 11. Qb3 { [%eval 0.21] [%clk 0:02:58] } 11... Qd6 { [%eval 0.24] [%clk 0:02:52] } 12. O-O { [%eval 0.3] [%clk 0:02:53] } 12... Bxc3 { [%eval 0.21] [%clk 0:02:53] } 13. Qxc3 { [%eval 0.21] [%clk 0:02:43] } 13... Bg4 { [%eval 0.22] [%clk 0:02:45] } 14. Rfc1 { [%eval 0.26] [%clk 0:02:34] } 14... Rac8 { [%eval 0.34] [%clk 0:02:44] } 15. Rc2 { [%eval 0.08] [%clk 0:02:13] } 15... Rfe8 { [%eval 0.48] [%clk 0:02:40] } 16. Qc5 { [%eval 0.14] [%clk 0:02:06] } 16... Qg6?! { [%eval 1.12] } { Inaccuracy. Qxc5 was best. } { [%clk 0:02:17] } 17. Rc3 { [%eval 1.3] [%clk 0:01:42] } 17... Red8 { [%eval 1.1] [%clk 0:01:33] } 18. Rac1 { [%eval 1.15] [%clk 0:01:37] } 18... Rd6 { [%eval 1.18] [%clk 0:01:32] } 19. Qb5 { [%eval 1.23] [%clk 0:01:01] } 19... Rf6? { [%eval 2.97] } { Mistake. Rb8 was best. } { [%clk 0:01:15] } 20. Ne1? { [%eval 1.42] } { Mistake. Bd3 was best. } { [%clk 0:00:47] } 20... a6 { [%eval 1.39] [%clk 0:00:55] } 21. Qd3 { [%eval 1.34] [%clk 0:00:48] } 21... Bxe2 { [%eval 1.27] [%clk 0:00:56] } 22. Qxe2 { [%eval 1.51] [%clk 0:00:49] } 22... Re8 { [%eval 1.56] [%clk 0:00:56] } 23. Qc2 { [%eval 1.33] [%clk 0:00:40] } 23... Qg4 { [%eval 1.48] [%clk 0:00:56] } 24. Qd1 { [%eval 1.57] [%clk 0:00:25] } 24... Qf5 { [%eval 1.62] [%clk 0:00:49] } 25. Nd3 { [%eval 1.67] [%clk 0:00:20] } 25... h5 { [%eval 1.56] [%clk 0:00:37] } 26. a3 { [%eval 1.43] [%clk 0:00:17] } 26... h4 { [%eval 1.42] [%clk 0:00:37] } 27. h3 { [%eval 1.57] [%clk 0:00:18] } 27... Rg6 { [%eval 1.71] [%clk 0:00:23] } 28. Kh1 { [%eval 1.47] [%clk 0:00:15] } 28... Rg5 { [%eval 1.7] [%clk 0:00:16] } 29. Qf3 { [%eval 1.4] [%clk 0:00:14] } 29... Qd7? { [%eval 2.9] } { Mistake. Qg6 was best. } { [%clk 0:00:11] } 30. Nc5 { [%eval 2.92] [%clk 0:00:14] } 30... Qc8 { [%eval 2.65] [%clk 0:00:09] } 31. b4?? { [%eval 0.06] } { Blunder. Nxb7 was best. } { [%clk 0:00:14] } 31... Ne7?! { [%eval 0.89] } { Inaccuracy. Rf5 was best. } { [%clk 0:00:10] } 32. Nd3 { [%eval 0.88] [%clk 0:00:14] } 32... c6 { [%eval 0.68] [%clk 0:00:11] } 33. Nf4 { [%eval 0.39] [%clk 0:00:14] } 33... Qf5 { [%eval 0.39] [%clk 0:00:11] } 34. Nd3?! { [%eval -0.26] } { Inaccuracy. a4 was best. } { [%clk 0:00:14] } 34... Qd7? { [%eval 0.95] } { Mistake. Nc8 was best. } { [%clk 0:00:09] } 35. Nc5 { [%eval 0.68] [%clk 0:00:14] } 35... Qc8 { [%eval 0.65] [%clk 0:00:09] } 36. Qf4 { [%eval 0.57] [%clk 0:00:14] } 36... Rh5? { [%eval 1.8] } { Mistake. Rg6 was best. } { [%clk 0:00:08] } 37. Qg4 { [%eval 1.77] [%clk 0:00:13] } 37... Qxg4 { [%eval 1.89] [%clk 0:00:08] } 38. hxg4 { [%eval 1.94] [%clk 0:00:15] } 38... Rg5 { [%eval 1.96] [%clk 0:00:09] } 39. f3?? { [%eval 0.0] } { Blunder. Nxb7 was best. } { [%clk 0:00:15] } 39... Rb8? { [%eval 1.29] } { Mistake. f5 was best. } { [%clk 0:00:10] } 40. Kh2 { [%eval 1.33] [%clk 0:00:16] } 40... f5 { [%eval 1.25] [%clk 0:00:10] } 41. Kh3 { [%eval 1.28] [%clk 0:00:13] } 41... fxg4+ { [%eval 1.73] [%clk 0:00:11] } 42. Kxh4? { [%eval 0.49] } { Mistake. fxg4 was best. } { [%clk 0:00:14] } 42... Rg6 { [%eval 0.53] [%clk 0:00:10] } 43. e4? { [%eval -1.08] } { Mistake. fxg4 was best. } { [%clk 0:00:14] } 43... gxf3 { [%eval -1.05] [%clk 0:00:10] } 44. gxf3?? { [%eval #-2] } { Checkmate is now unavoidable. Rxf3 was best. } { [%clk 0:00:15] } 44... Kf7 { [%eval #-1] [%clk 0:00:11] } 0-1