[Event "Milan IT"]
[Round "5"]
[Site "Milan"]
[Date "1975.08.24"]
[White "Unzicker, Wolfgang"]
[WhiteElo "2535"]
[Black "Mariotti, Sergio"]
[BlackElo "2495"]
[Result "1/2-1/2"]
[ECO "B43"]
[Opening "Sicilian, Kan, 5.Nc3"]
 1. e4   c5
 2. Nf3  e6
 3. d4   cxd4
 4. Nxd4 a6
 5. Nc3  Qc7
 6. g3   b5
 7. Bg2  Bb7
 8. O-O  Nf6
 9. Re1  d6
10. a4   bxa4
11. Nxa4 Be7
12. Bd2  O-O
13. Nb3  Nc6
14. Be3  Nd7
15. Qd2  Nce5
16. Na5  Nc4
17. Nxc4 Qxc4
18. Nb6  Nxb6
19. Bxb6 Rfc8
20. c3   Qb5
21. Ba5  Bc6
22. Bb4  a5
23. Ba3  Bf8
24. Rad1 Rab8
25. Qe2  Qb3
26. Rd2  Qb7
27. Red1 Ba4
28. Ra1  Bb5
29. Qe3  Bc6
30. h4   a4
31. Rad1 h6
32. Qf4  e5
33. Qe3  f5
34. Bxd6 Bxd6
35. Rxd6 fxe4
36. R6d2 Rf8
37. Re1  Rbd8
38. Rde2 Rb8
39. Rd2  Rfd8
40. Rxd8+ Rxd8
41. Re2  Rd1+
42. Kh2  Rb1
1/2-1/2