Masera, Umberto VS Parma, Bruno 1971.01.08

[Event "Reggio Emilia-13 1970/71"]
[Site "Reggio Emilia"]
[Date "1971.01.08"]
[Round "13"]
[White "Masera, Umberto"]
[Black "Parma, Bruno"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 Bxd2+ 6. Nbxd2 d6 7. e4 e5 8. Bd3 O-O 9. d5 a5 10. O-O Na6 11. a3 Bd7 12. Qc3 a4 13. b4 axb3 14. Nxb3 Ba4 15. Nfd2 Nd7 16. Bc2 Nac5 17. Nxc5 Nxc5 18. Bxa4 Rxa4 19. f3 Rfa8 20. Ra2 Qg5 21. Nb1 f5 22. Nd2 f4 23. Nb1 Qh4 24. Rc2 R4a6 25. Ra2 Rb6 26. Nd2 h5 27. Rb1 Raa6 28. Rxb6 Qe1+ 0-1