[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.23"] [Round "6.21"] [White "Klundt, Klaus"] [Black "Heindrich, Mark"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "2229"] [BlackElo "2038"] [PlyCount "71"] [EventDate "2025.11.20"] [WhiteTeam "SC Heusenstamm"] [BlackTeam "SAbt TuS Dotzheim"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 b5 8. Bb3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 c5 15. d5 c4 16. a4 Qc7 17. Bg5 g6 18. Qd2 Bg7 19. Nh2 Nc5 20. Ng4 Nxg4 21. hxg4 Rab8 22. Ra3 Bc8 23. axb5 axb5 24. f3 Bd7 25. Rea1 Rb7 26. Be3 Reb8 27. Nf1 Be8 28. Qf2 Na4 29. Bc1 f6 30. Ne3 Nc5 31. Nd1 b4 32. cxb4 Rxb4 33. Nc3 Nb3 34. Bxb3 Rxb3 35. Ra6 Bf8 36. R1a2 1/2-1/2