[Event "San Antonio IT"]
[Round "2"]
[Site "San Antonio"]
[Date "1972"]
[White "Hort, Vlastimil"]
[WhiteElo "2600"]
[Black "Petrosian, Tigran V"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "B52"]
[Opening "Sicilian, Canal-Sokolsky Attack, 3...Bd7"]
 1. e4   c5
 2. Nf3  d6
 3. Bb5+ Bd7
 4. Bxd7+ Qxd7
 5. c4   Nc6
 6. Nc3  Nf6
 7. O-O  g6
 8. d4   cxd4
 9. Nxd4 Bg7
10. Nde2 O-O
11. f3   a6
12. a4   Qd8
13. Be3  Nd7
1/2-1/2