[Event "Candidates sf Petrosian-Kortschnoj+1-0"]
[Site "Moscow"]
[Date "1971.07.??"]
[Round "7"]
[White "Petrosian, Tigran V"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]

1. g3 d5 2. Nf3 c5 3. Bg2 g6 4. O-O Bg7 5. d4 cxd4 6. Nxd4 Nf6 7. c4 O-O 8. cxd5 Nxd5 9. Nc3 Nxc3 10. bxc3 Nc6 11. Nxc6 bxc6 12. Bxc6 Bh3 13. Bg2 Bxg2 1/2-1/2