[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.17"]
[Round "5"]
[White "Najdorf, Miguel"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Rd1 Bf6 11. Qe3 d5 12. Bd2 Nd7 13. Bc3 c6 14. Rac1 Qc7 15. Nd2 Bxg2 16. Kxg2 Qb7 17. Qf3 b5 18. cxb5 cxb5 19. Bb4 Rfc8 20. Nb3 h6 21. Qd3 1/2-1/2