[Event "USA op"]
[Site "Chicago"]
[Date "1973.??.??"]
[Round "9"]
[White "Day, Lawrence A"]
[Black "Browne, Walter S"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B51"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4 e6 7.O-O Be7 8.Rd1 O-O
9.e5 dxe5 10.Nxe5 Nxe5 11.Qxe5 Qa5 12.Qg3 a6 13.Be2 Kh8 14.a3 Bd7 15.Be3 Bc6
16.b4 Qf5 17.Bd3 Qg4 18.Ne2 Qxg3 19.hxg3 Ng4 20.Bd4 e5 21.Bb2 f5 22.f3 e4
23.fxg4 exd3 24.Rxd3 fxg4 25.Nf4 Bf6 26.Bxf6 Rxf6 27.Rad1 Kg8 28.Rd8+ Rxd8
29.Rxd8+ Kf7 30.Rd4 g5 31.Nd3 Re6 32.Rxg4 Re2 33.Kf1 Rxc2 34.Ne5+ Kf6 35.Nxc6 Rxc6
36.Rd4 h5 37.Rd7 Kf5 38.Rxb7 Kg4 39.Rd7 Rc3 40.a4 Kxg3 41.Rd5 g4 42.Rxh5 Rc1+
43.Ke2 Kxg2 44.b5 Ra1 45.bxa6 Rxa4 46.Rh6 g3 47.Ke3 Kg1 48.Rg6 g2 49.Kf3 Kf1
50.Rg3 Ra3+  0-1

