[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.06.12"] [Round "6"] [White "van den Borg, Christiane"] [Black "Mayer, Rolf"] [Result "1/2-1/2"] [ECO "D05"] [WhiteElo "1693"] [BlackElo "1555"] [PlyCount "79"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Bd3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Ba6 8. Nbd2 Bxd3 9. cxd3 Nbd7 10. Ne5 Nxe5 11. dxe5 Nd7 12. Rc1 Rc8 13. Rc6 Nb8 14. Rc2 c5 15. f4 f5 16. exf6 Bxf6 17. Qg4 Qd7 18. Nf3 Nc6 19. Bxf6 Rxf6 20. Nh4 Rcf8 21. Rcf2 Nb4 22. a3 Nc6 23. Qd1 Qc7 24. g4 d4 25. Qe2 h6 26. f5 exf5 27. Nxf5 Kh7 28. g5 Rg6 29. h4 Qe5 30. e4 Re8 31. Kh1 Ne7 32. Nxe7 Rxe7 33. Rg2 Qe6 34. Qf3 a5 35. Qf5 Qxf5 36. Rxf5 Kg8 37. Rgf2 Re8 38. Kh2 hxg5 39. hxg5 Rge6 40. Kh3 1/2-1/2