[Event "Milan IT"]
[Round "10"]
[Site "Milan"]
[Date "1975.08.31"]
[White "Petrosian, Tigran V"]
[WhiteElo "2645"]
[Black "Andersson, Ulf"]
[BlackElo "2565"]
[Result "1/2-1/2"]
[ECO "A17"]
[Opening "English Opening, Hedgehog Defence"]
 1. c4   Nf6
 2. Nc3  e6
 3. Nf3  c5
 4. g3   b6
 5. Bg2  Bb7
 6. O-O  a6
 7. d4   cxd4
 8. Qxd4 d6
 9. Rd1  Be7
10. b3   Nbd7
11. e4   Qc7
12. Bb2  O-O
13. Qe3  Rac8
14. Nd4  Qb8
15. Re1  Rfe8
16. h3   Bf8
17. Rad1 Ba8
18. Re2  Rc7
19. Red2 Rec8
20. Ba1  Rc5
1/2-1/2