[Event "ch-Frankfurt B"] [Site "Frankfurt"] [Date "2023.06.05"] [Round "5"] [White "Hafner, Hans Peter"] [Black "Pfaff, Helmut"] [Result "0-1"] [ECO "B01"] [WhiteElo "1136"] [BlackElo "1235"] [PlyCount "56"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. e4 e5 2. Nf3 Nc6 3. d4 d5 4. exd5 Qxd5 5. Nc3 Qa5 6. a3 e4 7. Qe2 Nf6 8. Bd2 Qf5 9. Nb5 Bd6 10. Nh4 Qe6 11. c4 O-O 12. c5 Be7 13. Nxc7 Qb3 14. Nxa8 Nxd4 15. Qe3 Nc2+ 16. Ke2 Nxe3 17. fxe3 Qxb2 18. Rc1 Qxa3 19. g3 Bxc5 20. Rc3 Qa5 21. Bg2 Bg4+ 22. Kf2 Nd5 23. Rc2 Nb4 24. Rc3 Rd8 25. Be1 Nd3+ 26. Kf1 Nxe1 27. Kxe1 Qxc3+ 28. Kf2 Bxe3+ 0-1