[Event "Buenos Aires (Clarin)"] [Site "Buenos Aires ARG"] [Date "1978.11.15"] [EventDate "1978.11.14"] [Round "2"] [Result "1/2-1/2"] [White "Walter Shawn Browne"] [Black "Oscar Panno"] [ECO "D27"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "47"] 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.a4 Nc6 8.Qe2 cxd4 9.Rd1 Be7 10.exd4 O-O 11.Nc3 Nd5 12.Bd3 Ncb4 13.Bb1 b6 14.Ne5 Bb7 15.Ra3 Rc8 16.Nxd5 Qxd5 17.Rg3 f5 18.Bg5 Bxg5 19.Rxg5 Rc7 20.h4 Rfc8 21.h5 Qd8 22.Qd2 Qf6 23.Rg3 Nd5 24.h6 1/2-1/2