[Event "Match/Nation URS-HUN Men 28,5-35,5"]
[Site "Lipetsk"]
[Date "1968.06.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Sergievsky, Vladimir D"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 d6 3. d4 Nbd7 4. c4 e5 5. Nc3 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Re8 9. b3 Qc7 10. Bb2 Nf8 11. Rad1 Ng6 12. h3 Bf8 13. e4 b6 14. Rd2 Bb7 15. d5 cxd5 16. cxd5 Rac8 17. Rc1 Ba6 1/2-1/2