Event: 41 Open Internacional d'Escacs d'Andorra 2025
Site: Escaldes-Engordany, Andorra
Date: 2025-07-23
White: Christodoulaki, Antonia
WhiteTitle: WFM
WhiteElo: 2111
Black: Ostensen, Nicolai Maxime
BlackTitle: FM
BlackElo: 2326
Result: 1/2-1/2
ECO: C47
Opening: Four Knights Game: Scotch Variation, Schmid Defense
Variant: Standard
TimeControl: 90min + 30s +30min move40

1. e4 { [%eval 0.18] [%clk 1:22:50] } 1... e5 { [%eval 0.22] [%clk 1:30:54] } 2. Nf3 { [%eval 0.13] [%clk 1:23:13] } 2... Nc6 { [%eval 0.21] [%clk 1:31:17] } 3. Nc3 { [%eval 0.06] [%clk 1:23:38] } 3... Nf6 { [%eval 0.07] [%clk 1:31:43] } 4. d4 { [%eval 0.06] [%clk 1:24:00] } 4... exd4 { [%eval 0.09] [%clk 1:32:06] } 5. Nxd4 { [%eval 0.06] [%clk 1:24:20] } 5... Nxe4 { [%eval 0.13] [%clk 1:32:30] } 6. Nxe4 { [%eval 0.14] [%clk 1:24:32] } 6... Qe7 { [%eval 0.19] [%clk 1:32:56] } 7. f3 { [%eval 0.17] [%clk 1:24:42] } 7... d5 { [%eval 0.17] [%clk 1:33:19] } 8. Bb5 { [%eval 0.15] [%clk 1:24:40] } 8... Bd7 { [%eval 0.14] [%clk 1:33:45] } 9. Bxc6 { [%eval 0.12] [%clk 1:23:37] } 9... bxc6 { [%eval 0.15] [%clk 1:34:08] } 10. O-O { [%eval 0.21] [%clk 1:23:27] } 10... dxe4 { [%eval 0.13] [%clk 1:34:35] } 11. Re1 { [%eval 0.15] [%clk 1:23:00] } 11... O-O-O { [%eval 0.12] [%clk 1:34:54] } 12. Rxe4 { [%eval 0.13] [%clk 1:21:29] } 12... Qf6 { [%eval 0.3] [%clk 1:31:27] } 13. Qe2 { [%eval 0.25] [%clk 1:11:44] } 13... c5 { [%eval 0.26] [%clk 1:27:54] } 14. Nb3 { [%eval 0.28] [%clk 0:57:39] } 14... Qc6?! { [%eval 1.25] } { Inaccuracy. Qb6 was best. } { [%clk 1:04:03] } 15. Na5 { [%eval 1.16] [%clk 0:52:47] } 15... Qb5 { [%eval 1.22] [%clk 0:54:58] } 16. Nc4 { [%eval 1.13] [%clk 0:52:41] } 16... Bd6?! { [%eval 1.74] } { Inaccuracy. Qa6 was best. } { [%clk 0:52:55] } 17. a4?! { [%eval 0.66] } { Inaccuracy. Nxd6+ was best. } { [%clk 0:52:19] } 17... Qc6 { [%eval 0.68] [%clk 0:50:54] } 18. Na5 { [%eval 0.63] [%clk 0:50:29] } 18... Qb6 { [%eval 0.66] [%clk 0:50:47] } 19. Nc4 { [%eval 0.67] [%clk 0:50:09] } 19... Qc6 { [%eval 0.72] [%clk 0:50:06] } 20. Na5?! { [%eval 0.16] } { Inaccuracy. Nxd6+ was best. } { [%clk 0:48:44] } 20... Qb6 { [%eval 0.13] [%clk 0:50:25] } 21. Nc4 { [%eval 0.0] [%clk 0:49:07] } 21... Qc6 { [%eval 0.79] [%clk 0:50:48] } 22. Na5?! { [%eval 0.0] } { Inaccuracy. Nxd6+ was best. } { [%clk 0:49:23] } 1/2-1/2