[Event "Sparkassen-Open B"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.23"] [Round "7.5"] [White "Porstendörfer, Yannik"] [Black "Koholka, Jan"] [Result "1-0"] [ECO "A00"] [WhiteElo "1749"] [BlackElo "1897"] [PlyCount "85"] [EventDate "2025.11.20"] [WhiteTeam "SK 1982 Klingenberg e.V."] [BlackTeam "SK Langen"] 1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. e3 Bf5 5. f3 e6 6. g4 Bg6 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Nge2 Qc7 11. O-O-O Nbd7 12. g5 Nh5 13. Bxd6 Qxd6 14. e4 g6 15. e5 Qe7 16. Qe3 O-O-O 17. Rdg1 Rh7 18. f4 Rdh8 19. Ng3 Ng7 20. Nd1 Nf5 21. Nxf5 exf5 22. Qf3 h5 23. Rh3 Nf8 24. Nc3 Ne6 25. Ne2 Kb8 26. Kb1 Rc8 27. Rc1 Rhh8 28. Qb3 Rhd8 29. Rd3 Rc7 30. a4 c5 31. Qa3 Qd7 32. c3 cxd4 33. cxd4 Rxc1+ 34. Kxc1 Rc8+ 35. Rc3 Rc4 36. Rxc4 dxc4 37. Kc2 a6 38. Kc3 Kc7 39. Qb4 b5 40. axb5 axb5 41. Qa5+ Kb7 42. Qb4 Qd5 43. Qe7+ 1-0