[Event "Olympiad-15 Preliminaries A"]
[Site "Varna"]
[Date "1962.09.19"]
[Round "4"]
[White "Zwaig, Arne"]
[Black "Franco Raymundo, Eduardo"]
[Result "1/2-1/2"]
1. e4 c5 2. Ne2 e6 3. g3 Nc6 4. Bg2 g6 5. O-O Bg7 6. c3 Nge7 7. d4 cxd4 8. cxd4 d6 9. Nbc3 O-O 10. Be3 Na5 11. b3 b6 12. Qd2 Re8 13. Rac1 Ba6 14. Rfd1 Rc8 15. Nf4 Rc7 16. Nd3 Qb8 17. Nb4 Bb7 18. Bf1 Nec6 19. Na6 Bxa6 20. Bxa6 Nb4 21. Bf1 Rec8 22. Qb2 Qb7 23. a3 Na6 24. Nb5 Rxc1 25. Rxc1 Rxc1 26. Qxc1 Nxb3 27. Nxd6 Qc7 28. Qd1 Qxd6 29. Qxb3 Nc7 30. Qc3 Qd7 31. Qc4 Ne8 1/2-1/2