[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.07.30"]
[Round "6"]
[White "Kagan, Shimon"]
[Black "Tan, Lian Ann"]
[Result "1-0"]
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 e5 7. Nde2 d5 8. exd5 Nb4 9. a3 Nbxd5 10. Bg2 Be6 11. Bg5 Bc5 12. O-O Nxc3 13. Nxc3 O-O 14. Bxb7 Rb8 15. Qf3 Be7 16. Bxf6 Bxf6 17. Rab1 Qb6 18. Be4 Bd8 19. Rfd1 f5 20. Bd5 Kh8 21. Bxe6 Qxe6 22. Nd5 Bg5 23. Qh5 Bh6 24. b4 f4 25. Rb3 e4 26. Nxf4 Bxf4 27. gxf4 h6 28. Rg3 Rbc8 29. c3 Rxf4 30. Qh3 Rf5 31. Qg4 Qf7 32. Rd5 Rxd5 33. Qxc8+ Kh7 34. Qg4 Qe7 35. c4 Re5 36. Qf4 a5 37. c5 axb4 38. axb4 Rd5 39. c6 Rd1+ 40. Kg2 e3 41. Rxe3 1-0