[Event "34.Schlosspark-Open"] [Site "Wiesbaden-Biebrich"] [Date "2025.08.30"] [Round "5.2"] [White "Poetsch, Hagen"] [Black "Helmer, Jan"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "2479"] [BlackElo "2231"] [PlyCount "39"] [EventDate "2025.08.28"] [WhiteTeam "SC Heusenstamm"] [BlackTeam "HSK Lister Turm"] 1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 h6 5. c4 Bf5 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Nbd7 9. b4 a6 10. Nc3 Rc8 11. O-O e6 12. Nd2 Bc2 13. Nd1 g5 14. Ne3 Bg6 15. Nb3 Bg7 16. f3 O-O 17. Bd2 Ne8 18. f4 gxf4 19. gxf4 f5 20. Nd1 1/2-1/2