[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.09.27"]
[Round "4"]
[White "Torre, Eugenio"]
[Black "Kagan, Shimon"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2445"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Be2 Nf6 8. Nc3 Bd7 9. O-O O-O 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. Kh1 a4 14. b4 axb3 15. axb3 Qc7 16. b4 b6 17. Qb2 Nh5 18. Bxg7 Nxg7 19. Nd5 Qb7 20. Rad1 Ra7 21. Qd4 Ra2 22. Bd3 Bxd5 23. cxd5 Nh5 24. Bb5 Qa7 25. Ra1 Ra8 26. Rxa2 Qxa2 27. Qxb6 Qd2 28. Ba6 Nf4 29. Rg1 Nxg2 30. Qb7 Rf8 31. Qxe7 Ne1 32. Qxd6 Nxf3 33. Rf1 Nd4 34. Qe7 Nc2 35. Qf6 Ne3 36. Rg1 Qxb4 37. Qf3 Nc2 38. Rf1 Nd4 39. Qf4 Nb3 40. e5 Qc5 41. Rd1 Qc2 42. Rf1 Qc5 43. Rd1 Qc2 1/2-1/2