[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.05.15"] [Round "3"] [White "Ottenburg, Ralph"] [Black "Hofmann Weippert, Matthias"] [Result "1-0"] [ECO "C66"] [WhiteElo "1936"] [BlackElo "1496"] [PlyCount "79"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Bd7 5. O-O Nf6 6. Re1 Be7 7. Ba4 O-O 8. h3 h6 9. d3 Re8 10. Nbd2 Rc8 11. Nf1 Bf8 12. Ng3 Ne7 13. Bc2 c5 14. Nh4 a5 15. Qf3 Nh7 16. Nhf5 Ng6 17. Nh5 b5 18. g4 Nh4 19. Qg3 Nxf5 20. gxf5 Kh8 21. Kh2 Nf6 22. Qf3 Be7 23. Rg1 Rg8 24. Be3 Nh7 25. Rg2 Bg5 26. Rag1 Bxe3 27. Qxe3 Qh4 28. Nxg7 Qf4+ 29. Qxf4 exf4 30. Nh5 Rxg2+ 31. Rxg2 b4 32. Bb3 Ng5 33. Nxf4 Nf3+ 34. Kh1 Ne5 35. Rg3 c4 36. dxc4 Nxc4 37. cxb4 Nd2 38. Bd5 axb4 39. Nh5 Bb5 40. Nf6 1-0