[Event "ch-Frankfurt B"] [White "Pfaff, Helmut"] [Black "Klees, Verena"] [Site "Frankfurt"] [Result "0-1"] [Round "4.17"] [WhiteElo "1529"] [BlackElo "1158"] [ECO "C20"] [Date "2024.05.27"] [PlyCount "300"] 1. c4 e5 2. e4 Bc5 3. Nc3 d6 4. d3 Nc6 5. Be2 Nge7 6. Nf3 f5 7. O-O O-O 8. Bd2 f4 9. Na4 Bb6 10. Nxb6 axb6 11. Bc3 Ng6 12. d4 Qe7 13. d5 Nd8 14. a3 Nf7 15. h3 Ng5 16. Nxg5 Qxg5 17. Bg4 f3 18. gxf3 h5 19. h4 Nxh4 20. Kh1 hxg4 21. Bd2 Rf4 22. Bxf4 Qxf4 23. Qc1 Qxf3+ 0-1