Event: Round 4: Grigoriy Oparin - Akshat Chandra
Site: https://lichess.org/study/1SA7akkt/5s7eBOqB
Date: 2022-11-25
White: Grigoriy Oparin
WhiteTitle: GM
Black: Akshat Chandra
BlackTitle: GM
Result: 1-0
ECO: D41
Opening: Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:58] } 1... Nf6 { [%eval 0.23] [%clk 1:22:29] } 2. c4 { [%eval 0.29] [%clk 1:31:20] } 2... e6 { [%eval 0.23] [%clk 1:22:48] } 3. Nf3 { [%eval 0.0] [%clk 1:31:44] } 3... d5 { [%eval 0.17] [%clk 1:22:38] } 4. Nc3 { [%eval 0.0] [%clk 1:32:03] } 4... c5 { [%eval 0.25] [%clk 1:21:37] } 5. cxd5 { [%eval 0.13] [%clk 1:32:11] } 5... Nxd5 { [%eval 0.42] [%clk 1:22:01] } 6. e4 { [%eval 0.0] [%clk 1:32:32] } 6... Nxc3 { [%eval 0.13] [%clk 1:22:25] } 7. bxc3 { [%eval 0.31] [%clk 1:32:58] } 7... cxd4 { [%eval 0.5] [%clk 1:22:49] } 8. cxd4 { [%eval 0.6] [%clk 1:33:25] } 8... Bb4+ { [%eval 0.47] [%clk 1:23:14] } 9. Bd2 { [%eval 0.22] [%clk 1:33:50] } 9... Bxd2+ { [%eval 0.37] [%clk 1:23:40] } 10. Qxd2 { [%eval 0.23] [%clk 1:34:16] } 10... O-O { [%eval 0.34] [%clk 1:24:06] } 11. Rc1 { [%eval 0.42] [%clk 1:33:54] } 11... b6 { [%eval 0.44] [%clk 1:22:07] } 12. Bd3 { [%eval 0.55] [%clk 1:33:14] } 12... Bb7 { [%eval 0.47] [%clk 1:21:47] } 13. O-O { [%eval 0.37] [%clk 1:33:31] } 13... Nd7 { [%eval 0.23] [%clk 1:11:15] } 14. Qf4 { [%eval 0.57] [%clk 1:33:20] } 14... Rc8 { [%eval 0.29] [%clk 1:08:50] } 15. Rxc8 { [%eval 0.26] [%clk 1:32:43] } 15... Qxc8 { [%eval 0.48] [%clk 1:07:53] } 16. Rc1 { [%eval 0.34] [%clk 1:32:51] } 16... Qb8?! { [%eval 0.99] } { Inaccuracy. Qd8 was best. } { [%clk 1:06:04] } 17. Qxb8 { [%eval 1.05] [%clk 1:32:01] } 17... Rxb8 { [%eval 0.77] [%clk 1:06:15] } 18. Rc7 { [%eval 1.17] [%clk 1:32:26] } 18... Nf6 { [%eval 0.81] [%clk 1:05:24] } 19. Ng5 { [%eval 0.87] [%clk 1:31:38] } 19... h6 { [%eval 0.76] [%clk 0:41:47] } 20. Nxf7 { [%eval 1.11] [%clk 1:31:57] } 20... Bxe4 { [%eval 0.98] [%clk 0:41:57] } 21. Bxe4 { [%eval 1.13] [%clk 1:31:45] } 21... Nxe4 { [%eval 1.0] [%clk 0:42:25] } 22. f3 { [%eval 1.16] [%clk 1:28:32] } 22... Ng5? { [%eval 2.51] } { Mistake. Nf6 was best. } { [%clk 0:38:40] } 23. Ne5 { [%eval 2.37] [%clk 1:22:00] } 23... a5 { [%eval 2.33] [%clk 0:31:13] } 24. Nc6 { [%eval 2.24] [%clk 1:18:19] } 24... Ra8 { [%eval 2.31] } 25. Rb7 { [%eval 2.29] [%clk 1:18:37] } 25... Nh7 { [%eval 2.1] [%clk 0:15:50] } 26. Ne7+ { [%eval 2.3] [%clk 1:08:47] } 26... Kf8 { [%eval 2.35] [%clk 0:15:40] } 27. Ng6+ { [%eval 2.04] [%clk 1:09:11] } 27... Kg8 { [%eval 2.17] [%clk 0:16:07] } 28. Nf4 { [%eval 2.37] [%clk 1:09:37] } 28... Nf6? { [%eval 3.9] } { Mistake. Nf8 was best. } { [%clk 0:13:20] } 29. Nxe6 { [%eval 3.76] [%clk 1:05:45] } 29... Nd5?! { [%eval 5.38] } { Inaccuracy. Re8 was best. } { [%clk 0:12:49] } 30. Rxg7+ { [%eval 5.28] [%clk 1:03:59] } 30... Kh8 { [%eval 5.27] [%clk 0:13:18] } 31. Rd7 { [%eval 5.08] [%clk 1:01:50] } 31... Nc3 { [%eval 5.79] [%clk 0:06:51] } 32. d5 { [%eval 5.79] [%clk 1:02:08] } 32... Re8 { [%eval 5.61] [%clk 0:07:10] } 33. Nf4 { [%eval 5.82] [%clk 0:59:49] } 33... Nxa2 { [%eval 5.71] [%clk 0:06:25] } 34. d6 { [%eval 5.98] [%clk 1:00:05] } 34... Re1+ { [%eval 6.31] [%clk 0:06:35] } 35. Kf2 { [%eval 6.12] [%clk 1:00:30] } 35... Rd1 { [%eval 6.3] [%clk 0:07:03] } 36. Ng6+ { [%eval 5.05] [%clk 0:55:15] } 36... Kg8 { [%eval 5.48] [%clk 0:07:30] } 37. Ne5 { [%eval 5.29] [%clk 0:55:41] } 1-0