[Event "Zonal-8 South America (MdP-28)"]
[Site "Mar del Plata"]
[Date "1969.03.30"]
[Round "8"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Najdorf, Miguel"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. f4 Nf6 8. Bd3 d5 9. e5 Ne4
10. Nce2 Qh4+ 11. g3 Qd8 12. c3 Nd7 13. Ng1 Bc5 14. Ngf3 O-O 15. Qe2 Nb6 16. Ng5 Qc7 17.
h4 h6 18. Nxe4 dxe4 19. Bxe4 Bxd4 20. cxd4 Rfd8 21. Qf3 Bxe4 22. Qxe4 Qc4 23. Be3 Qb3 24.
Rh2 Nc4 25. Re2 Nxb2 26. Kf1 Nc4 27. g4 Rac8 28. Kf2 Nxe3 29. Qxe3 Rc3 30. Qe4 Rd3 0-1