Event: Round 6: Aleksandr Ostrovskiy - Mark Heimann
Site: https://lichess.org/study/D7ZlxUIf/otkqmdzC
Date: 2022-12-10
White: Aleksandr Ostrovskiy
WhiteTitle: IM
Black: Mark Heimann
BlackTitle: FM
Result: 1/2-1/2
ECO: C67
Opening: Ruy Lopez: Berlin Defense, Rio Gambit Accepted
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:24:27] } 1... e5 { [%eval 0.32] [%clk 1:30:58] } 2. Nf3 { [%eval 0.29] [%clk 1:24:50] } 2... Nc6 { [%eval 0.21] [%clk 1:31:25] } 3. Bb5 { [%eval 0.2] [%clk 1:23:27] } 3... Nf6 { [%eval 0.34] [%clk 1:31:49] } 4. O-O { [%eval 0.0] [%clk 1:22:47] } 4... Nxe4 { [%eval 0.13] [%clk 1:32:13] } 5. Re1 { [%eval 0.3] [%clk 1:23:03] } 5... Nd6 { [%eval 0.21] [%clk 1:32:36] } 6. Nxe5 { [%eval 0.19] [%clk 1:23:27] } 6... Be7 { [%eval 0.27] [%clk 1:33:01] } 7. Bf1 { [%eval 0.28] [%clk 1:23:51] } 7... Nf5 { [%eval 0.4] [%clk 1:31:30] } 8. Nf3 { [%eval 0.66] [%clk 1:22:57] } 8... O-O { [%eval 0.58] [%clk 1:31:22] } 9. d4 { [%eval 0.7] [%clk 1:23:23] } 9... d5 { [%eval 0.65] [%clk 1:31:47] } 10. c3 { [%eval 0.52] [%clk 1:18:45] } 10... Nh4?! { [%eval 1.12] } { Inaccuracy. Bd6 was best. } { [%clk 1:29:44] } 11. Nxh4 { [%eval 1.08] [%clk 1:05:42] } 11... Bxh4 { [%eval 1.03] [%clk 1:30:11] } 12. Nd2 { [%eval 0.96] [%clk 1:05:52] } 12... Bf6 { [%eval 0.83] [%clk 1:27:25] } 13. Bd3 { [%eval 0.8] [%clk 1:00:31] } 13... Ne7 { [%eval 0.91] [%clk 1:25:51] } 14. Qc2 { [%eval 0.87] [%clk 0:44:01] } 14... g6 { [%eval 1.07] [%clk 1:25:18] } 15. Nf3 { [%eval 0.86] [%clk 0:36:28] } 15... c6 { [%eval 0.84] [%clk 1:21:50] } 16. Bf4 { [%eval 0.86] [%clk 0:34:07] } 16... Bf5 { [%eval 0.85] [%clk 1:20:52] } 17. a4 { [%eval 0.6] [%clk 0:27:41] } 17... a5 { [%eval 0.58] [%clk 1:13:46] } 18. h3 { [%eval 0.74] [%clk 0:27:19] } 18... Bxd3 { [%eval 0.67] [%clk 1:03:36] } 19. Qxd3 { [%eval 0.61] [%clk 0:27:39] } 19... Nf5 { [%eval 0.5] [%clk 1:04:02] } 20. Re2 { [%eval 0.48] [%clk 0:26:19] } 20... Re8 { [%eval 0.62] [%clk 1:01:40] } 21. Rae1 { [%eval 0.37] [%clk 0:20:49] } 21... Rxe2 { [%eval 0.36] [%clk 0:57:45] } 22. Rxe2 { [%eval 0.44] [%clk 0:19:19] } 22... Ng7 { [%eval 0.35] [%clk 0:51:39] } 23. Ne5 { [%eval 0.21] [%clk 0:15:59] } 23... Ne6 { [%eval 0.43] [%clk 0:43:37] } 24. Bg3 { [%eval 0.3] [%clk 0:13:45] } 24... Bg5 { [%eval 0.52] [%clk 0:37:58] } 25. Re1 { [%eval 0.22] [%clk 0:06:58] } 1/2-1/2