Event: Classical tournament
Site: Biel, Switzerland
Date: 2021-08-04
White: Gelfand, Boris
WhiteTitle: GM
WhiteElo: 2675
Black: Studer, Noël
BlackTitle: GM
BlackElo: 2581
Result: 1-0
ECO: D27
Opening: Queen's Gambit Accepted: Classical Defense, Russian Gambit
Variant: Standard
TimeControl: 100 mins first 40 moves + 50 mins next 20 moves + 15min for the rest of the game (all + 30 sec per move)

1. d4 { [%eval 0.0] [%clk 1:40:59] } 1... d5 { [%eval 0.23] [%clk 1:40:55] } 2. Nf3 { [%eval 0.0] [%clk 1:41:24] } 2... Nf6 { [%eval 0.09] [%clk 1:41:20] } 3. c4 { [%eval 0.0] [%clk 1:41:51] } 3... dxc4 { [%eval 0.25] [%clk 1:41:46] } 4. e3 { [%eval 0.13] [%clk 1:42:11] } 4... e6 { [%eval 0.21] [%clk 1:42:11] } 5. Bxc4 { [%eval 0.13] [%clk 1:42:35] } 5... c5 { [%eval 0.23] [%clk 1:42:37] } 6. O-O { [%eval 0.13] [%clk 1:42:43] } 6... a6 { [%eval 0.36] [%clk 1:42:36] } 7. e4 { [%eval 0.0] [%clk 1:42:33] } 7... b5 { [%eval 0.0] [%clk 1:40:44] } 8. Be2 { [%eval 0.21] [%clk 1:41:53] } 8... Nxe4 { [%eval 0.15] [%clk 1:40:16] } 9. a4 { [%eval 0.27] [%clk 1:38:49] } 9... Be7 { [%eval 0.47] [%clk 1:40:31] } 10. axb5 { [%eval 0.51] [%clk 1:37:50] } 10... O-O { [%eval 0.5] [%clk 1:39:58] } 11. Bf4 { [%eval 0.0] [%clk 1:05:31] } 11... Nd7?? { [%eval 1.69] } { Blunder. cxd4 was best. } { [%clk 1:05:47] } 12. Ne5 { [%eval 1.8] [%clk 0:46:40] } 12... Nxe5 { [%eval 1.62] [%clk 0:56:11] } 13. dxe5 { [%eval 2.06] [%clk 0:45:41] } 13... Qb6 { [%eval 1.74] [%clk 0:56:29] } 14. Bd3 { [%eval 1.99] [%clk 0:42:14] } 14... f5 { [%eval 1.97] [%clk 0:50:07] } 15. Qe2 { [%eval 1.89] [%clk 0:41:28] } 15... c4?! { [%eval 2.67] } { Inaccuracy. Rd8 was best. } { [%clk 0:23:43] } 16. Bxc4 { [%eval 2.62] [%clk 0:39:07] } 16... Bc5?! { [%eval 3.35] } { Inaccuracy. Bb7 was best. } { [%clk 0:24:09] } 17. Nd2 { [%eval 2.65] [%clk 0:32:51] } 17... Ra7 { [%eval 2.37] [%clk 0:09:21] } 18. bxa6 { [%eval 2.05] [%clk 0:26:54] } 18... Nxf2 { [%eval 1.56] [%clk 0:08:57] } 19. Rxf2 { [%eval 1.81] [%clk 0:27:01] } 19... Bxa6 { [%eval 2.04] [%clk 0:09:22] } 20. Bxa6 { [%eval 1.55] [%clk 0:21:05] } 20... Rfa8 { [%eval 1.43] [%clk 0:08:44] } 21. Re1 { [%eval 1.39] [%clk 0:14:14] } 21... Bxf2+ { [%eval 1.58] [%clk 0:08:05] } 22. Qxf2 { [%eval 1.5] [%clk 0:14:41] } 22... Rxa6 { [%eval 1.65] [%clk 0:08:08] } 23. Qxb6?! { [%eval 0.88] } { Inaccuracy. Nf3 was best. } { [%clk 0:14:18] } 23... Rxb6 { [%eval 1.05] [%clk 0:08:37] } 24. Rb1 { [%eval 1.16] [%clk 0:13:32] } 24... Ra2 { [%eval 0.99] [%clk 0:06:38] } 25. b3 { [%eval 1.15] [%clk 0:12:17] } 25... Rb4 { [%eval 0.98] [%clk 0:06:55] } 26. Be3 { [%eval 0.91] [%clk 0:11:04] } 26... Rc2 { [%eval 1.12] [%clk 0:07:10] } 27. g3 { [%eval 0.98] [%clk 0:10:21] } 27... Rb5 { [%eval 1.0] [%clk 0:06:03] } 28. Bf4 { [%eval 0.82] [%clk 0:09:17] } 28... h6 { [%eval 1.12] [%clk 0:04:55] } 29. h4 { [%eval 0.43] [%clk 0:09:39] } 29... Rb4? { [%eval 1.59] } { Mistake. g5 was best. } { [%clk 0:04:07] } 30. h5 { [%eval 1.3] [%clk 0:09:02] } 30... Rxf4?! { [%eval 2.32] } { Inaccuracy. g6 was best. } { [%clk 0:00:38] } 31. gxf4 { [%eval 2.44] [%clk 0:09:20] } 31... Rxd2 { [%eval 3.08] [%clk 0:01:07] } 32. b4 { [%eval 3.7] [%clk 0:09:46] } 32... Rd7 { [%eval 2.89] [%clk 0:01:35] } 33. b5 { [%eval 2.4] [%clk 0:09:52] } 33... Rb7? { [%eval 4.69] } { Mistake. g5 was best. } { [%clk 0:02:01] } 34. Kf2 { [%eval 4.94] [%clk 0:09:50] } 34... g5 { [%eval 4.92] [%clk 0:02:13] } 35. hxg6 { [%eval 5.58] [%clk 0:09:56] } 35... Kg7 { [%eval 5.37] [%clk 0:02:38] } 36. Ke3 { [%eval 5.5] [%clk 0:08:21] } 36... Kxg6 { [%eval 5.92] [%clk 0:03:04] } 37. b6?! { [%eval 4.02] } { Inaccuracy. Kd4 was best. } { [%clk 0:04:19] } 37... Kh5 { [%eval 2.75] [%clk 0:02:29] } 38. Kf3 { [%eval 3.77] [%clk 0:04:45] } 38... Kg6 { [%eval 2.12] [%clk 0:02:24] } 39. Kg3 { [%eval 4.51] [%clk 0:05:12] } 39... h5 { [%eval 5.1] [%clk 0:00:36] } 40. Kh4 { [%eval 5.99] [%clk 0:05:28] } 40... Kh6 { [%eval 6.14] [%clk 0:01:02] } 41. Rd1 { [%eval 6.09] [%clk 0:02:45] } 41... Rxb6 { [%eval 7.0] [%clk 0:49:36] } 42. Rd6 { [%eval 7.01] [%clk 0:52:17] } 42... Rb4 { [%eval 7.46] [%clk 0:46:53] } 43. Rxe6+ { [%eval 7.24] [%clk 0:52:39] } 43... Kg7 { [%eval 7.37] [%clk 0:47:20] } 44. Kg5 { [%eval 7.38] [%clk 0:53:04] } 44... h4 { [%eval 7.94] [%clk 0:47:39] } 45. Rg6+ { [%eval 7.23] [%clk 0:53:12] } 1-0