[Event "Olympiad-19 Preliminaries B"]
[Site "Siegen"]
[Date "1970.09.05"]
[Round "1"]
[White "Bachtiar, Arovah"]
[Black "Lee, Peter N"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 O-O 8. Nc3 Nc6 9. Qd2 Nxd4 10. Bxd4 Be6 11. Be2 Qa5 12. O-O Rfc8 13. b3 b5 14. cxb5 Nxe4 15. fxe4 Bxd4+ 16. Qxd4 Qxc3 17. Qxc3 Rxc3 18. Rac1 Rac8 19. Bc4 Rxc1 20. Rxc1 Kg7 21. Kf2 f5 22. exf5 gxf5 23. Rc2 Kf6 24. g3 d5 25. Bd3 Rxc2+ 26. Bxc2 d4 27. a4 Bd5 28. a5 e5 29. Bd3 Ke6 1/2-1/2