Event: Slovak Online World Cup Qualifier
Site: chess24.com
Date: 2021-05-15
White: Petenyi, Tamas
WhiteTitle: IM
WhiteElo: 2468
Black: Markos, Jan
BlackTitle: GM
BlackElo: 2565
Result: 1/2-1/2
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard

1. e4 { [%eval 0.05] [%clk 0:15:10] } 1... c5 { [%eval 0.32] [%clk 0:15:07] } 2. Nf3 { [%eval 0.0] [%clk 0:15:17] } 2... Nc6 { [%eval 0.34] [%clk 0:15:15] } 3. Bb5 { [%eval 0.0] [%clk 0:15:24] } 3... d6 { [%eval 0.4] [%clk 0:14:46] } 4. c3 { [%eval 0.04] [%clk 0:15:29] } 4... Qb6 { [%eval 0.45] [%clk 0:13:41] } 5. Ba4 { [%eval 0.42] [%clk 0:14:21] } 5... Nf6 { [%eval 0.13] [%clk 0:13:32] } 6. O-O { [%eval 0.23] [%clk 0:12:54] } 6... Bg4?! { [%eval 0.84] } { Inaccuracy. Nxe4 was best. } { [%clk 0:10:32] } 7. d4 { [%eval 1.05] [%clk 0:11:28] } 7... Bxf3?! { [%eval 1.64] } { Inaccuracy. O-O-O was best. } { [%clk 0:08:31] } 8. Qxf3 { [%eval 1.14] [%clk 0:11:34] } 8... cxd4? { [%eval 2.38] } { Mistake. Qa6 was best. } { [%clk 0:08:29] } 9. cxd4 { [%eval 2.37] [%clk 0:11:07] } 9... Qxd4 { [%eval 2.38] [%clk 0:08:34] } 10. Nc3 { [%eval 2.5] [%clk 0:11:03] } 10... e5?! { [%eval 3.31] } { Inaccuracy. Qc4 was best. } { [%clk 0:08:14] } 11. Be3 { [%eval 3.48] [%clk 0:09:47] } 11... Qb4 { [%eval 3.29] [%clk 0:07:08] } 12. a3 { [%eval 3.64] [%clk 0:09:27] } 12... Qa5?! { [%eval 5.2] } { Inaccuracy. Qc4 was best. } { [%clk 0:07:10] } 13. b4 { [%eval 5.36] [%clk 0:09:22] } 13... Qd8 { [%eval 5.14] [%clk 0:07:18] } 14. b5 { [%eval 5.12] [%clk 0:09:21] } 14... Nb8 { [%eval 5.22] [%clk 0:06:48] } 15. b6+ { [%eval 5.28] [%clk 0:08:27] } 15... Nbd7 { [%eval 5.19] [%clk 0:06:41] } 16. Bg5?? { [%eval 2.48] } { Blunder. bxa7 was best. } { [%clk 0:07:18] } 16... Be7 { [%eval 2.76] [%clk 0:06:15] } 17. Bxf6 { [%eval 2.54] [%clk 0:07:04] } 17... Bxf6 { [%eval 2.45] [%clk 0:06:10] } 18. Nd5? { [%eval 1.26] } { Mistake. Rfd1 was best. } { [%clk 0:07:03] } 18... O-O { [%eval 1.0] [%clk 0:05:58] } 19. Bxd7 { [%eval 1.06] [%clk 0:07:00] } 19... Qxd7 { [%eval 1.14] [%clk 0:06:05] } 20. Qxf6?! { [%eval 0.3] } { Inaccuracy. Nxf6+ was best. } { [%clk 0:07:08] } 20... gxf6 { [%eval 0.45] [%clk 0:06:12] } 21. Nxf6+ { [%eval 0.26] [%clk 0:07:15] } 21... Kg7 { [%eval 0.32] [%clk 0:06:20] } 22. Nxd7 { [%eval 0.45] [%clk 0:07:24] } 22... Rfd8 { [%eval 0.26] [%clk 0:06:29] } 23. Nxe5 { [%clk 0:06:59] } 23... dxe5 { [%clk 0:06:36] } 24. Rfb1 { [%clk 0:07:05] } 24... axb6 { [%clk 0:06:40] } 1/2-1/2