[Event "Vidmar Memorial-01"]
[Site "Ljubljana"]
[Date "1969.06.14"]
[Round "11"]
[White "Tringov, Georgi Petrov"]
[Black "Musil, Vojko"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 d6 6. Bc4 Be7 7. Be3 Nf6 8. Qe2 O-O 9. O-O-O a6 10. Bb3 Bd7 11. f4 Qc7 12. Rhf1 b5 13. f5 Na5 14. fxe6 Nxb3+ 15. axb3 fxe6 1/2-1/2