[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.10.06"]
[Round "10"]
[White "Vaganian, Rafael A"]
[Black "Shamkovich, Leonid Alexandrovic"]
[Result "1/2-1/2"]
[WhiteElo "2570"]
[BlackElo "2495"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 Bg4 9. d5 Na5 10. Qa4 Bxf3 11. Bxf3 c6 12. O-O cxd5 13. exd5 Rc8 14. Re1 b6 15. Qb5 Nc4 16. a4 Ne8 17. Qb3 Ned6 18. Nb5 Qd7 19. Be2 Na5 20. Qd1 Nf5 21. g4 Nd6 22. Ra2 a6 23. Nxd6 exd6 24. h3 Qb7 25. Qd3 Rfe8 26. Rd1 Nb3 27. Be3 Nd4 28. Bxd4 Bxd4 29. b3 Bf6 30. Qxa6 Qxa6 31. Bxa6 Rc3 32. Bb5 Rec8 33. b4 Rb3 34. a5 bxa5 35. Ba6 Ra8 36. b5 Bc3 37. Rc1 Bd4 38. Kg2 Bc5 39. Rcc2 Bb6 40. Rc4 Kf8 41. Rc6 1/2-1/2