[Event "European Junior Championship Preliminary"]
[Site "Groningen NED"]
[Date "1971.12.22"]
[EventDate "1971.12.20"]
[Round "3"]
[Result "0-1"]
[White "Petar Velikov"]
[Black "Gyula Sax"]
[ECO "B93"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "35"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7
7. Bd3 g6 8. O-O Bg7 9. a4 Qc5 10. Kh1 Qxd4 11. Qf3 Qc5 12. e5
dxe5 13. Be3 Qc7 14. fxe5 Qxe5 15. Rae1 O-O 16. Bf4 Qh5
17. Qg3 Nc6 18. h3 0-1