[Event "Hamburg Olympiad"] [Site "Hamburg GER"] [Date "1930.07.17"] [EventDate "1930.07.13"] [Round "6"] [Result "1-0"] [White "Frank James Marshall"] [Black "Vladimir Petrov"] [ECO "E11"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "31"] 1.d4 Nf6 2.Nf3 e6 3.c4 Bb4+ 4.Bd2 Qe7 5.e3 O-O 6.Bd3 d5 7.O-O Nbd7 8.Nc3 Bxc3 9.Bxc3 b6 10.Rc1 Bb7 11.cxd5 exd5 12.Qb3 c5 13.dxc5 Nxc5 14.Bxf6 gxf6 15.Qb4 Kh8 16.Rxc5 1-0