[Event "Rubinstein Memorial-17"]
[Site "Polanica Zdroj"]
[Date "1979.08.11"]
[Round "6"]
[White "Spassov, Liuben"]
[Black "Filip, Miroslav"]
[Result "1/2-1/2"]
[BlackElo "2475"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 g6 7. O-O Bg7 8. Nxd5 Qxd5 9. d3 O-O 10. Be3 Bd7 11. d4 cxd4 12. Nxd4 Qc4 13. Nxc6 Bxc6 14. Bxc6 Qxc6 15. Qb3 1/2-1/2