[Event "Milan IT"]
[Round "2"]
[Site "Milan"]
[Date "1975.08.21"]
[White "Mariotti, Sergio"]
[WhiteElo "2495"]
[Black "Petrosian, Tigran V"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "C03"]
[Opening "French, Tarrasch"]
 1. e4   e6
 2. d4   d5
 3. Nd2  Ne7
 4. Ngf3 Nd7
 5. exd5 exd5
 6. Bd3  g6
 7. h4   h6
 8. Nf1  Bg7
 9. c3   Nf8
10. Ng3  Qd6
11. Be3  Bg4
12. Qa4+ Bd7
13. Qc2  h5
14. Qd2  O-O-O
15. Ng5  Be8
16. O-O-O f6
17. Nh3  Bf7
18. Rde1 Ne6
19. Nf4  Nxf4
20. Bxf4 Qd7
21. Re2  Rde8
22. Rhe1 Nc6
23. Rxe8+ Rxe8
24. Rxe8+ Qxe8
25. Qe3  Qxe3+
26. Bxe3 Nd8
27. Ne2  Ne6
28. Nf4  Nxf4
1/2-1/2