Event: boys-18
Site: Batumi
Date: 2023-06-07
White: Oosthuizen, Michal Jacobus
WhiteElo: 1919
Black: Vayanos, George Marwan
BlackElo: 1758
Result: 0-1
ECO: E63
Opening: King's Indian Defense: Fianchetto Variation, Panno Variation
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 0:15:08] } 1... Nf6 { [%eval 0.29] [%clk 0:15:08] } 2. g3 { [%eval 0.12] [%clk 0:15:12] } 2... g6 { [%eval 0.25] [%clk 0:15:11] } 3. Bg2 { [%eval 0.13] [%clk 0:15:15] } 3... Bg7 { [%eval 0.28] [%clk 0:15:15] } 4. d4 { [%eval 0.12] [%clk 0:15:19] } 4... d6 { [%eval 0.58] [%clk 0:15:16] } 5. O-O { [%eval 0.41] [%clk 0:15:21] } 5... O-O { [%eval 0.36] [%clk 0:15:16] } 6. c4 { [%eval 0.36] [%clk 0:15:25] } 6... a6 { [%eval 0.64] [%clk 0:15:04] } 7. Nc3 { [%eval 0.34] [%clk 0:15:27] } 7... Nc6 { [%eval 0.59] [%clk 0:15:07] } 8. d5 { [%eval 0.32] [%clk 0:15:00] } 8... Na5 { [%eval 0.37] [%clk 0:15:09] } 9. Nd2 { [%eval 0.3] [%clk 0:15:01] } 9... c5 { [%eval 0.34] } 10. a3?! { [%eval -0.24] } { Inaccuracy. Qc2 was best. } { [%clk 0:14:51] } 10... Qc7 { [%eval 0.02] [%clk 0:14:27] } 11. e4 { [%eval -0.18] [%clk 0:14:26] } 11... Rb8 { [%eval -0.22] [%clk 0:13:01] } 12. Qe2 { [%eval -0.5] [%clk 0:11:38] } 12... Nd7?! { [%eval 0.55] } { Inaccuracy. Bg4 was best. } { [%clk 0:12:10] } 13. f4?! { [%eval -0.37] } { Inaccuracy. a4 was best. } { [%clk 0:10:09] } 13... b5 { [%eval -0.31] [%clk 0:08:30] } 14. cxb5 { [%eval -0.35] [%clk 0:09:02] } 14... axb5 { [%eval -0.52] [%clk 0:08:10] } 15. Nxb5 { [%eval -0.39] [%clk 0:08:45] } 15... Ba6 { [%eval -0.5] [%clk 0:07:35] } 16. a4 { [%eval -0.5] [%clk 0:07:41] } 16... Qb6 { [%eval -0.56] [%clk 0:07:08] } 17. Rf3 { [%eval -0.44] [%clk 0:07:41] } 17... c4+ { [%eval -0.49] [%clk 0:06:50] } 18. Kh1 { [%eval -0.48] [%clk 0:06:51] } 18... Bxb5 { [%eval -0.16] [%clk 0:06:45] } 19. axb5 { [%eval -0.16] [%clk 0:06:54] } 19... Qxb5 { [%eval 0.3] [%clk 0:06:47] } 20. Bf1? { [%eval -1.03] } { Mistake. Rfa3 was best. } { [%clk 0:06:45] } 20... Qb6? { [%eval 0.39] } { Mistake. Nc5 was best. } { [%clk 0:05:59] } 21. Rb1?? { [%eval -1.35] } { Blunder. Rfa3 was best. } { [%clk 0:05:11] } 21... Rfc8 { [%eval -1.29] [%clk 0:05:42] } 22. Ra3 { [%eval -1.2] } 22... Nc5 { [%eval -1.44] [%clk 0:05:03] } 23. Nxc4?? { [%eval -4.02] } { Blunder. Nf3 was best. } { [%clk 0:03:40] } 23... Nxc4 { [%eval -4.05] [%clk 0:05:04] } 24. Qxc4 { [%eval -3.74] [%clk 0:03:44] } 24... Nb3 { [%eval -3.79] [%clk 0:04:38] } 25. Rxb3 { [%eval -3.91] [%clk 0:03:04] } 25... Qxb3 { [%eval -4.11] [%clk 0:04:42] } 26. Qe2?! { [%eval -5.24] } { Inaccuracy. Qxb3 was best. } { [%clk 0:02:45] } 26... Rc2 { [%eval -4.49] [%clk 0:04:39] } 27. Qd1? { [%eval -8.1] } { Mistake. Qd3 was best. } { [%clk 0:02:33] } 27... Rxh2+ { [%eval -8.06] [%clk 0:04:42] } 28. Kxh2 { [%eval -7.98] [%clk 0:02:36] } 28... Qxd1 { [%eval -7.73] [%clk 0:04:45] } 0-1