[Event "US Open-87"]
[Site "Somerset"]
[Date "1986.??.??"]
[Round "12"]
[White "De Stefano, C."]
[Black "Calderon, A."]
[Result "1-0"]
[ECO "B86"]
[PlyCount "57"]
[EventDate "1986.08.03"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 a6 7. Bb3 Qc7 8. f4 b5 9. f5 Be7 10. fxe6 fxe6 11. Nxe6 Bxe6 12. Bxe6 Rf8 13. Be3 Nc6 14. Nd5 Nxd5 15. Qxd5 Rb8 16. 0-0-0 a5 17. Rhf1 Bf6 18. Qxd6 Qxd6 19. Rxd6 Bxb2+ 20. Kxb2 Rxf1 21. Rxc6 Re1 22. Bf4 Rd8 23. Bd5 Rd1 24. Rc7 Rf1 25. g3 Rd1 26. Rxg7 h5 27. h4 R1xd5 28. exd5 Rxd5 29. Rg5 1-0

