[Event "Sparkassen-Open B"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.22"] [Round "4.20"] [White "Welther, Patrick"] [Black "Kolker, Vladislav"] [Result "1-0"] [ECO "A00"] [WhiteElo "1677"] [BlackElo "1780"] [PlyCount "53"] [EventDate "2025.11.20"] [WhiteTeam "SC 1934 Gelnhausen"] [BlackTeam "SC Bad Nauheim"] 1. Nf3 d6 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. d4 O-O 6. O-O Nc6 7. Nc3 a6 8. Bd2 Bg4 9. d5 Na5 10. b3 c5 11. h3 Bd7 12. Re1 b5 13. cxb5 axb5 14. Rc1 b4 15. Nb1 Nxd5 16. e4 Nc7 17. e5 Nc6 18. exd6 exd6 19. Bg5 f6 20. Bf4 Nb5 21. Bxd6 Nxd6 22. Qxd6 Rxa2 23. Rxc5 Na5 24. Rd1 Ra1 25. Rc7 Rf7 26. Nd4 Qe8 27. Bd5 1-0