[Event "Sparkassen-Open B"] [Site "Heusenstamm, Martinsee"] [Date "2023.11.26"] [Round "7.38"] [White "Herdt, Werner"] [Black "Keller, Konstantin"] [Result "1/2-1/2"] [WhiteElo "1421"] [PlyCount "51"] [EventDate "2023.??.??"] [WhiteTeam "SF Heusenstamm"] [BlackTeam "SV 1920 Hofheim"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. Nf3 b6 6. e3 Ba6 7. a3 Be7 8. Bd3 d5 9. Ne5 Nfd7 10. Nxd7 Nxd7 11. Qe2 dxc4 12. Bxc4 Bb7 13. O-O a6 14. Bd3 c5 15. Be4 Bxe4 16. Nxe4 cxd4 17. exd4 Nf6 18. Rfc1 Qxd4 19. Nxf6+ Qxf6 20. Bc3 Qf5 21. Rd1 a5 22. Rd7 Bc5 23. Rad1 Qg5 24. R7d3 e5 25. Qxe5 Qxe5 26. Bxe5 1/2-1/2