[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2023.11.26"] [Round "6.56"] [White "Diehl, Stefan"] [Black "Mayer, Frank"] [Result "0-1"] [WhiteElo "1789"] [BlackElo "2006"] [PlyCount "50"] [EventDate "2023.??.??"] [WhiteTeam "SC 1910 Höchst"] [BlackTeam "Wiesbadener SV 1885"] 1. f4 d5 2. Nf3 Bg4 3. e3 Nd7 4. d4 Ngf6 5. Be2 e6 6. Nbd2 c5 7. O-O Be7 8. b3 cxd4 9. exd4 Qc7 10. c4 Qxf4 11. Nb1 Qc7 12. Nc3 a6 13. Be3 O-O 14. Rc1 Ba3 15. Rc2 Bf5 16. Bd3 Bxd3 17. Qxd3 dxc4 18. bxc4 Be7 19. Ng5 h6 20. Nge4 Rad8 21. Bf4 Qb6 22. c5 Nxc5 23. Nxc5 Rxd4 24. Qe3 Bxc5 25. Na4 Rxa4 0-1