[Event "Olympiad-21 Final C"]
[Site "Nice"]
[Date "1974.06.17"]
[Round "3"]
[White "Chia, Alphonsus"]
[Black "Nobrega, Adaucto Wanderley"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. cxd5 Qxd5 9. Qf3 e6 10. Bd3 cxd4 11. Qxd5 exd5 12. cxd4 Nc6 13. Rb1 O-O 14. Ne2 b6 15. O-O Bb7 16. Nc3 Na5 17. Rfc1 Rac8 18. Be7 Rfe8 19. Bb4 Nc4 20. Nb5 Bf8 21. Bxf8 Rxf8 22. Nxa7 Ra8 23. Nb5 Rxa2 24. Bxc4 dxc4 25. Nd6 Ba6 26. Nxc4 Bxc4 27. Rxc4 Rfa8 28. Rcb4 Rd2 29. Rxb6 Raa2 30. Rf6 Kg7 31. Rf4 h5 32. g4 g5 33. Rf5 hxg4 34. Rb6 f6 35. Kg2 Rd1 36. h3 gxh3+ 37. Kxh3 Rh1+ 38. Kg4 Rh6 39. Rb7+ Kg6 40. Rbb5 Ra3 41. Kf3 Rh4 42. Rfd5 Ra2 43. Rf5 Ra3 44. Ra5 Rb3 45. Rfb5 Rc3 46. Rc5 Rb3 47. Rab5 Ra3 48. Rb6 Rxd4 1/2-1/2