[Event "Berliner Sommer 15th"]
[Site "Berlin"]
[Date "1997.??.??"]
[Round "2"]
[White "Boehnisch, Manfred"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2315"]
[BlackElo "2610"]

1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. d4 cxd4 6. Nxd4 Qf6 7. c3 Bc5 8. Be2 e5 9. b4 Ba7 10. Nf5 d5 11. Qxd5 Bxf5 12. exf5 Qxf5 13. O-O Nf6 14. Qb3 Ne4 15. g4 Qg6 16. Qc2 h5 17. Bf3 Ng5 18. Qf5 Nxf3+ 19. Qxf3 hxg4 20. Qg3 O-O-O 21. Na3 e4 22. c4 Bb8 0-1