Event: Round 5: Donchenko, Alexander - Barzen, Pascal
Date: 2025-05-24
White: Donchenko, Alexander
WhiteTitle: GM
WhiteElo: 2578
Black: Barzen, Pascal
BlackTitle: FM
BlackElo: 2389
Result: 1-0
ECO: E17
Opening: Queen's Indian Defense: Fianchetto Variation, Kramnik Variation
Variant: Standard
TimeControl: 3+2

1. Nf3 { [%eval 0.14] [%clk 0:03:03] } 1... b6 { [%eval 0.52] [%clk 0:03:02] } 2. g3 { [%eval 0.35] [%clk 0:03:04] } 2... Bb7 { [%eval 0.3] [%clk 0:03:04] } 3. Bg2 { [%eval 0.27] [%clk 0:03:05] } 3... Nf6 { [%eval 0.33] [%clk 0:03:03] } 4. c4 { [%eval 0.27] [%clk 0:03:04] } 4... e6 { [%eval 0.28] [%clk 0:03:04] } 5. O-O { [%eval 0.23] [%clk 0:03:04] } 5... Be7 { [%eval 0.23] [%clk 0:03:05] } 6. d4 { [%eval 0.17] [%clk 0:03:04] } 6... O-O { [%eval 0.29] [%clk 0:03:05] } 7. Re1 { [%eval 0.25] [%clk 0:03:05] } 7... d5 { [%eval 0.25] [%clk 0:03:02] } 8. cxd5 { [%eval 0.36] [%clk 0:03:06] } 8... exd5 { [%eval 0.32] [%clk 0:03:02] } 9. Nc3 { [%eval 0.34] [%clk 0:03:07] } 9... c5 { [%eval 0.33] [%clk 0:02:55] } 10. Bf4 { [%eval 0.29] [%clk 0:03:07] } 10... Na6 { [%eval 0.43] [%clk 0:02:56] } 11. Rc1 { [%eval 0.46] [%clk 0:03:08] } 11... h6 { [%eval 0.46] [%clk 0:02:55] } 12. a3 { [%eval 0.32] [%clk 0:03:08] } 12... Re8 { [%eval 0.62] [%clk 0:02:55] } 13. h4 { [%eval 0.45] [%clk 0:03:02] } 13... Ne4 { [%eval 0.56] [%clk 0:02:51] } 14. Be5 { [%eval 0.16] [%clk 0:02:42] } 14... Bf6 { [%eval 0.5] [%clk 0:02:36] } 15. e3 { [%eval 0.67] [%clk 0:02:35] } 15... Rc8 { [%eval 0.71] [%clk 0:02:23] } 16. Nb5 { [%eval 0.42] [%clk 0:02:30] } 16... Ra8 { [%eval 0.64] [%clk 0:02:04] } 17. Rc2 { [%eval 0.22] [%clk 0:02:20] } 17... c4?! { [%eval 0.86] } { Inaccuracy. Bxe5 was best. } { [%clk 0:01:48] } 18. Bxf6 { [%eval 0.46] [%clk 0:02:13] } 18... Qxf6?! { [%eval 1.45] } { Inaccuracy. Nxf6 was best. } { [%clk 0:01:47] } 19. Ne5 { [%eval 1.44] [%clk 0:02:14] } 19... Qe6?! { [%eval 2.24] } { Inaccuracy. Rad8 was best. } { [%clk 0:00:35] } 20. Bxe4 { [%eval 2.24] [%clk 0:01:55] } 20... dxe4 { [%eval 2.16] [%clk 0:00:35] } 21. Qg4 { [%eval 1.93] [%clk 0:01:56] } 21... f5?! { [%eval 2.83] } { Inaccuracy. Qxg4 was best. } { [%clk 0:00:31] } 22. Qg6 { [%eval 2.61] [%clk 0:01:57] } 22... Qxg6 { [%eval 2.87] [%clk 0:00:30] } 23. Nxg6 { [%eval 2.83] [%clk 0:01:58] } 23... Bc6 { [%eval 2.63] [%clk 0:00:24] } 24. Nc3?! { [%eval 1.45] } { Inaccuracy. Nc7 was best. } { [%clk 0:01:47] } 24... Rac8 { [%eval 1.45] [%clk 0:00:16] } 25. Ne5 { [%eval 1.6] [%clk 0:01:47] } 25... Red8?! { [%eval 2.52] } { Inaccuracy. Rxe5 was best. } { [%clk 0:00:15] } 26. Nxc6? { [%eval 1.06] } { Mistake. Rec1 was best. } { [%clk 0:01:44] } 26... Rxc6 { [%eval 0.93] [%clk 0:00:16] } 27. Nb5 { [%eval 0.91] [%clk 0:01:45] } 27... Rd7?? { [%eval 3.2] } { Blunder. Rd5 was best. } { [%clk 0:00:16] } 28. Rec1 { [%eval 3.12] [%clk 0:01:46] } 28... Nc7?! { [%eval 4.22] } { Inaccuracy. Rd5 was best. } { [%clk 0:00:17] } 29. Nxa7 { [%eval 4.41] [%clk 0:01:44] } 29... Rcd6 { [%eval 4.34] [%clk 0:00:12] } 30. Rxc4 { [%eval 4.48] [%clk 0:01:45] } 30... Nd5 { [%eval 4.21] [%clk 0:00:12] } 31. Nb5 { [%eval 4.37] [%clk 0:01:44] } 31... Rf6 { [%eval 4.54] [%clk 0:00:13] } 32. Rc6 { [%eval 4.59] [%clk 0:01:43] } 32... Rxc6 { [%eval 4.91] [%clk 0:00:11] } 33. Rxc6 { [%eval 4.85] [%clk 0:01:43] } 33... Kf8 { [%eval 4.94] [%clk 0:00:10] } 34. Rd6 { [%eval 4.66] [%clk 0:01:43] } 34... Ke7 { [%eval 4.36] [%clk 0:00:11] } 35. Rxd7+ { [%eval 4.43] [%clk 0:01:43] } 35... Kxd7 { [%eval 4.41] [%clk 0:00:12] } 36. Nc3 { [%eval 4.41] [%clk 0:01:41] } 36... Nc7 { [%eval 4.73] [%clk 0:00:11] } 37. Kf1 { [%eval 4.23] [%clk 0:01:42] } 37... g5?! { [%eval 5.48] } { Inaccuracy. Ke6 was best. } { [%clk 0:00:13] } 38. hxg5 { [%eval 5.39] [%clk 0:01:43] } 38... hxg5 { [%eval 5.43] [%clk 0:00:14] } 39. Ke2 { [%eval 5.14] [%clk 0:01:43] } 39... Ne6 { [%eval 5.59] [%clk 0:00:15] } 40. g4 { [%eval 5.57] [%clk 0:01:43] } 40... fxg4 { [%eval 5.59] [%clk 0:00:07] } 41. Nxe4 { [%eval 5.47] [%clk 0:01:44] } 41... Kc6 { [%eval 5.84] [%clk 0:00:08] } 42. Nf6 { [%eval 5.78] [%clk 0:01:44] } 42... Kb5 { [%eval 5.79] [%clk 0:00:09] } 43. Nxg4 { [%eval 5.75] [%clk 0:01:43] } 43... Kc4 { [%eval 5.59] [%clk 0:00:10] } 44. Ne5+ { [%eval 5.33] [%clk 0:01:42] } 44... Kb3 { [%eval 5.68] [%clk 0:00:11] } 45. Nd7 { [%eval 5.55] [%clk 0:01:41] } 45... b5?! { [%eval 10.26] } { Inaccuracy. g4 was best. } { [%clk 0:00:12] } 46. Nc5+ { [%eval 8.72] [%clk 0:03:02] } 1-0