[Event "Ljubljana 1955"] [Site "Ljubljana YUG"] [Date "1955.07.20"] [EventDate "1955.06.29"] [Round "17"] [Result "1/2-1/2"] [White "Milan M Vidmar"] [Black "Zdravko Gabrovsek"] [ECO "E85"] [WhiteElo "?"] [BlackElo "?"] [Source "Perpetual Check"] [PlyCount "26"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 c6 11. Bc4 b5 12. Bb3 Bb7 13. Rd1 1/2-1/2