[Event "Vidmar Memorial 4th"]
[Site "Ljubljana/Portoroz YUG"]
[Date "1977.06.19"]
[EventDate "?"]
[Round "13"]
[Result "1/2-1/2"]
[White "Vitaly Tseshkovsky"]
[Black "Gennady Borisovich Sosonko"]
[ECO "C10"]
[WhiteElo "?"]
[BlackElo "2530"]
[PlyCount "25"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bg5
Be7 7. Bxf6 Bxf6 8. Nxf6+ Qxf6 9. Bd3 O-O 10. O-O e5 11. dxe5
Nxe5 12. Nxe5 Qxe5 13. c3 1/2-1/2