[Event "USA op"]
[Site "?"]
[Date "1972.??.??"]
[Round "7"]
[White "Browne, Walter S"]
[Black "Mengarini, Ariel"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C90"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Bg4
9.d3 h6 10.Nbd2 Na5 11.Bc2 Nh7 12.h3 Bh5 13.Nf1 Ng5 14.Bxg5 Bxg5 15.Ng3 Bg6
16.b4 Nb7 17.d4 Bf6 18.d5 O-O 19.c4 bxc4 20.Ba4 Qe7 21.Rc1 a5 22.Bc6 Rab8
23.b5 Nd8 24.Qa4 Nxc6 25.bxc6 Ra8 26.Qxc4 Bh4 27.Nf5 Bxf5 28.exf5 Bg5 29.Rb1 Qf6
30.Rb7 Rac8 31.Qg4 g6 32.fxg6 Qxg6 33.h4 Bf6 34.Re4 Qxg4 35.Rxg4+ Bg7 36.Nd2 f5
37.Rg6 e4 38.Nc4 Rf6 39.Rxf6 Bxf6 40.Nxa5 Bxh4 41.Nb3 f4 42.Kf1 Ra8 43.Nc1 Ra5
44.Rxc7 Rxd5 45.Ke2 Rc5 46.Nb3 Rc2+ 47.Kd1 Rxf2 48.Rc8+ Kf7 49.c7 e3 50.Rf8+ Kxf8
51.c8=Q+ Kf7 52.Qc4+ Kf6 53.Nd4 Kg6 54.Qg8+ Kh5 55.Qf7+  1-0

