[Event "WchT U26 02 prel-4"]
[Site "Mexico City"]
[Date "1980.08.20"]
[Round "3"]
[White "Sunye Neto, Jaime"]
[Black "Christiansen, Larry Mark"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2485"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 e6 4. e3 d5 5. d4 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. dxc5 Bxc5 9. O-O O-O 10. b3 Bg4 11. Bb2 a6 12. Bxc6 bxc6 13. Rc1 Bd6 14. Na4 Rc8 15. Qd3 Bxf3 16. gxf3 Qd7 17. Kg2 Ne4 18. Rh1 Qh3+ 19. Kxh3 Nxf2+ 20. Kg2 Nxd3 21. Rcd1 Nxb2 22. Nxb2 Rfe8 23. Rd3 f5 24. Na4 Re6 25. Rc1 Rg6+ 26. Kh1 Rc7 27. Nc5 Bxc5 28. Rxc5 Re7 29. Rc1 Kf7 30. Rdc3 Ree6 31. b4 Rh6 32. R1c2 g5 33. Ra3 Rh3 34. Kg2 Reh6 35. Kg1 Rxf3 36. Rxa6 Rxe3 37. b5 Re1+ 38. Kg2 Rhe6 39. h4 cxb5 40. Rxe6 Rxe6 41. hxg5 Kg6 42. Rc5 Re2+ 43. Kf3 Rxa2 44. Rxb5 Rd2 45. Ke3 Rd1 46. Rb7 Re1+ 47. Kf3 d4 48. Rd7 Re4 49. Kg3 Rg4+ 0-1