[Event "Mar del Plata Clarin Masters"]
[Site "Mar del Plata"]
[Date "1982.02.??"]
[Round "?"]
[White "Andersson, Ulf"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2510"]
[ECO "E19"]
[Opening "Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line"]

1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7 11. Bb2 Nf6 12. Rad1 Be4 13. Nd2 Bxg2 14. Kxg2 c6 15. e4 d5 16. cxd5 exd5 17. e5 Nd7 18. Rc1 a5 19. Qd3 a4 20. Rc2 axb3 21. axb3 Nb8 1/2-1/2