[Event "Las Palmas-01"]
[Site "Las Palmas"]
[Date "1972.06.02"]
[Round "4"]
[White "Tatai, Stefano"]
[Black "Portisch, Lajos"]
[Result "0-1"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. d4 Nf6 7. c3 Qe7 8. Re1 g6 9. Nbd2 Bg7 10. Nf1 O-O 11. Ne3 Rae8 12. Bc2 exd4 13. Nd5 Nxd5 14. exd5 Ne5 15. Nxd4 Qh4 16. Rf1 Bg4 17. f3 Bc8 18. Bb3 Re7 19. f4 Ng4 20. Nf3 Qh5 21. h3 Nf6 22. c4 Rfe8 23. Ba4 Bd7 24. Bc2 b5 25. Bd3 bxc4 26. Bxc4 Bb5 27. Qd3 Bxc4 28. Qxc4 Qxd5 29. b3 Qxc4 30. bxc4 Ne4 31. Rb1 Ng3 32. Rd1 Ne2+ 0-1