[Event "Chigorin Memorial-06"]
[Site "Sochi"]
[Date "1966.??.??"]
[Round "1"]
[White "Antoshin, Vladimir S"]
[Black "Bertok, Mario"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. g3 c5 4. Nf3 Bg7 5. Bg2 Nc6 6. O-O O-O 7. Nc3 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd2 Be6 11. Bxb7 Rb8 12. Bd5 Nxd5 13. Nxd5 Qd7 14. e4 f5 15. Re1 Rf7 16. Qe2 fxe4 17. Qxe4 Be5 18. Qh4 1/2-1/2