[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.06"]
[Round "2"]
[White "Malagon, Alberto"]
[Black "Doda, Zbigniew"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nbd2 Nc6 7. Nc4 e6 8. a4 Qe7 9. c3 a5 10. b3 Rd8 11. Ba3 Qe8 12. Ra2 e5 13. d5 Ne7 14. Ne1 b6 15. e4 Ba6 16. Nd3 Bxc4 17. bxc4 Nd7 18. Bc1 Rab8 19. Rb2 Kh8 20. Bd2 Ng8 21. Bh3 Qe7 22. Qc1 Rf8 23. f3 Rbe8 24. Bg5 Bf6 25. Be3 Bg7 26. Bg5 Ndf6 27. Qd1 h6 28. Be3 Nh7 29. Re1 Ng5 30. Bg2 Qd7 31. h4 Nh7 32. Kh2 Qd8 33. Bf2 f5 34. Rh1 Ngf6 35. Kg1 h5 36. exf5 gxf5 37. Bh3 Ng8 38. Kg2 Nh6 39. Re2 Nf6 40. Qc2 Qd7 41. Nb2 Nhg4 42. Rhe1 Rg8 43. Kg1 Nh6 44. Kh1 Ref8 45. Be3 Nh7 46. Bg5 Qf7 47. Nd1 1/2-1/2