[Event "Mar del Plata"] [Site "Mar del Plata ARG"] [Date "1950.03.12"] [EventDate "?"] [Round "4"] [Result "1/2-1/2"] [White "Julio Bolbochan"] [Black "Nicolas Rossolimo"] [ECO "C89"] [WhiteElo "2485"] [BlackElo "?"] [PlyCount "29"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.a4 Bb7 11.axb5 axb5 12.Rxa8 Bxa8 13.d4 exd4 14.Nxd4 Nxd4 15.Qxd4 1/2-1/2