[Event "San Antonio IT"]
[Round "14"]
[Site "San Antonio"]
[Date "1972"]
[White "Keres, Paul"]
[WhiteElo "2600"]
[Black "Karpov, Anatoly"]
[BlackElo "2630"]
[Result "1/2-1/2"]
[ECO "E41"]
[Opening "Nimzo-Indian, 4.e3 c5"]
 1. d4   Nf6
 2. c4   e6
 3. Nc3  Bb4
 4. e3   c5
 5. Bd3  O-O
 6. Nf3  d5
 7. O-O  dxc4
 8. Bxc4 cxd4
 9. exd4 b6
10. Bg5  Bb7
11. Qe2  Nbd7
12. Rac1 Rc8
13. Ne5  h6
14. Bf4  Nxe5
15. Bxe5 Qe7
16. Ba6  Bxa6
17. Qxa6 Bxc3
18. bxc3 Nd5
19. c4   Nb4
20. Qa3  f6
21. Bg3  
1/2-1/2