[Event "Sparkassen-Open B"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.23"] [Round "6.8"] [White "Mertens, Richard"] [Black "Welther, Patrick"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1772"] [BlackElo "1677"] [PlyCount "47"] [EventDate "2025.11.20"] [WhiteTeam "SC Weisse Dame e.V."] [BlackTeam "SC 1934 Gelnhausen"] 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 c6 6. O-O O-O 7. Re1 b5 8. Bf1 Bg4 9. h3 Bxf3 10. Qxf3 b4 11. Ne2 Nbd7 12. Bf4 e5 13. dxe5 Nxe5 14. Bxe5 dxe5 15. Red1 Qe7 16. Rd3 Rfd8 17. Rad1 Rd7 18. Nc1 Rad8 19. Nb3 Rxd3 20. Rxd3 Rxd3 21. Qxd3 Qd7 22. Na5 Qc7 23. Nc4 Bf8 24. Be2 1/2-1/2