Event: World Youth Cup 2021 O12-G16 - Open 12
Date: 2021-08-06
White: Rolston, Daniel Haruma
Black: Dzoba, Demian
Result: 1-0
ECO: B30
Opening: Sicilian Defense: Old Sicilian
Variant: Standard

1. e4 { [%eval 0.24] [%clk 0:10:03] } 1... c5 { [%eval 0.32] [%clk 0:10:01] } 2. Nf3 { [%eval 0.0] [%clk 0:10:03] } 2... Nc6 { [%eval 0.32] [%clk 0:10:02] } 3. c3 { [%eval 0.12] [%clk 0:10:00] } 3... Nf6 { [%eval 0.18] [%clk 0:09:56] } 4. e5 { [%eval 0.21] [%clk 0:10:01] } 4... Nd5 { [%eval 0.13] [%clk 0:09:58] } 5. d4 { [%eval 0.0] [%clk 0:10:03] } 5... cxd4 { [%eval 0.0] [%clk 0:09:59] } 6. cxd4 { [%eval 0.0] [%clk 0:10:05] } 6... d6 { [%eval 0.1] [%clk 0:10:00] } 7. Bc4 { [%eval 0.0] [%clk 0:10:05] } 7... Nb6 { [%eval 0.0] [%clk 0:09:53] } 8. Bb5 { [%eval 0.07] [%clk 0:10:01] } 8... Nd5? { [%eval 1.13] } { Mistake. dxe5 was best. } { [%clk 0:09:28] } 9. Bc4?! { [%eval 0.34] } { Inaccuracy. Nc3 was best. } { [%clk 0:09:52] } 9... Be6 { [%eval 0.54] [%clk 0:09:14] } 10. Qb3 { [%eval 0.56] [%clk 0:08:08] } 10... Na5 { [%eval 0.68] [%clk 0:08:11] } 11. Bb5+ { [%eval 0.96] [%clk 0:07:56] } 11... Nc6 { [%eval 0.77] [%clk 0:08:08] } 12. Bc4 { [%eval 0.45] [%clk 0:07:49] } 12... dxe5 { [%eval 0.4] [%clk 0:04:25] } 13. Qxb7?! { [%eval -0.16] } { Inaccuracy. Nxe5 was best. } { [%clk 0:07:10] } 13... Rc8 { [%eval 0.01] [%clk 0:03:49] } 14. Bb5? { [%eval -1.22] } { Mistake. Na3 was best. } { [%clk 0:06:07] } 14... Nb4? { [%eval 0.13] } { Mistake. Bd7 was best. } { [%clk 0:03:03] } 15. Nxe5 { [%eval 0.36] [%clk 0:04:46] } 15... Qxd4 { [%eval 0.0] [%clk 0:02:34] } 16. Nxc6 { [%eval 0.0] [%clk 0:02:45] } 16... Nc2+ { [%eval 0.0] [%clk 0:01:56] } 17. Ke2 { [%eval 0.0] [%clk 0:02:32] } 17... Bc4+ { [%eval 0.0] [%clk 0:01:49] } 18. Kf3 { [%eval 0.0] [%clk 0:01:58] } 18... Bd5+?? { [%eval 18.8] } { Blunder. Qd3+ was best. } { [%clk 0:01:21] } 19. Kg3 { [%eval 18.93] [%clk 0:01:52] } 19... Rxc6?! { [%eval #1] } { Checkmate is now unavoidable. Qd3+ was best. } { [%clk 0:00:09] } 20. Bxc6+?! { [%eval 10.58] } { Lost forced checkmate sequence. Qc8# was best. } { [%clk 0:01:49] } 20... Bxc6 { [%eval 10.69] [%clk 0:00:10] } 21. Qxc6+ { [%eval 10.53] [%clk 0:01:39] } 21... Kd8 { [%eval 11.8] [%clk 0:00:08] } 22. Qxc2 { [%eval 11.8] [%clk 0:01:35] } 22... e6 { [%eval 12.38] [%clk 0:00:09] } 23. Rd1 { [%eval 12.28] [%clk 0:01:32] } 23... Bd6+ { [%eval 12.47] [%clk 0:00:09] } 24. f4 { [%eval 12.76] [%clk 0:01:33] } 24... Qb6 { [%eval 12.92] [%clk 0:00:04] } 25. Qd3 { [%eval 11.69] [%clk 0:01:24] } 25... Ke7 { [%eval 11.76] [%clk 0:00:05] } 26. Qxd6+ { [%eval 10.13] [%clk 0:01:13] } 26... Qxd6 { [%eval 10.12] [%clk 0:00:04] } 27. Rxd6 { [%eval 10.05] [%clk 0:01:15] } 27... Kxd6 { [%eval 10.07] [%clk 0:00:06] } 28. Nc3 { [%eval 9.96] [%clk 0:01:17] } 28... Kc5 { [%eval 10.76] [%clk 0:00:06] } 29. Be3+ { [%eval 10.73] [%clk 0:01:16] } 1-0