[Event "Korchnoi - Polugaevsky Candidates Semifinal"]
[Site "Buenos Aires ARG"]
[Date "1980.08.05"]
[EventDate "1980.07.21"]
[Round "9"]
[Result "1/2-1/2"]
[White "Viktor Korchnoi"]
[Black "Lev Polugaevsky"]
[ECO "A33"]
[WhiteElo "2695"]
[BlackElo "2635"]
[PlyCount "49"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5
Bb4 7. Bf4 O-O 8. Bd6 Bxd6 9. Nxd6 Ne8 10. a3 b6 11. e3 Ba6
12. Nxe8 Rxe8 13. Be2 Ne7 14. O-O d5 15. Qa4 Bxc4 16. Bxc4
dxc4 17. Qxc4 Qc8 18. Qe4 Qc6 19. Qxc6 Nxc6 20. Nb5 Red8
21. Rfd1 Kf8 22. Kf1 Ke7 23. Ke2 Rxd1 24. Rxd1 Rc8 25. f3
1/2-1/2