[Event "34.Schlosspark-Open"] [Site "Wiesbaden-Biebrich"] [Date "2026.08.27"] [Round "1.31"] [White "Demenko, Oleksandr"] [Black "Weber, Nikita"] [Result "0-1"] [WhiteElo "1773"] [BlackElo "2107"] [PlyCount "38"] [EventDate "2026.08.27"] [WhiteTeam "SK 1858 Gießen"] [BlackTeam "Vorwärts Orient Mainz"] 1. c4 b6 2. Nc3 Bb7 3. e4 e6 4. d3 Bb4 5. Nf3 Ne7 6. Bd2 O-O 7. Be2 d5 8. exd5 exd5 9. Qc2 Re8 10. O-O-O Ng6 11. Be3 Bxc3 12. Qxc3 Nc6 13. d4 dxc4 14. Bxc4 Na5 15. Bd3 Qf6 16. Bg5 Qd6 17. Rhe1 Bxf3 18. gxf3 Qd5 19. Be4 Qxg5+ 0-1