[Event "Sarajevo"]
[Site "Sarajevo YUG"]
[Date "1971.04.04"]
[EventDate "1971.03.20"]
[Round "13"]
[Result "1/2-1/2"]
[White "Levente Lengyel"]
[Black "Ivan Radulov"]
[ECO "D63"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "36"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5  exd5 9. Bd3 Bb7 10. O-O c5 11. Ne5 Nxe5 12. dxe5 Ne4 13. Bf4 f5 14. exf6 Nxf6  15. Bg5 Ne4 16. Bf4 Nf6 17. Bg5 Ne4 18. Bf4 1/2-1/2