[Event "Wch U20"]
[Site "Matinhos"]
[Date "1994.??.??"]
[Round "?"]
[White "Mariano, Nelson"]
[Black "Waitzkin, Joshua"]
[Result "1-0"]
[WhiteElo "2345"]
[BlackElo "2430"]
[ECO "B82"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 Nc6 6.Bc4 Qb6 7.Nb3 e6 8.Be3 Qc7
9.O-O a6 10.Bd3 b5 11.f4 Be7 12.Qf3 O-O 13.a3 Nd7 14.g4 Re8 15.g5 Bf8 16.Rae1 b4
17.Nd1 bxa3 18.bxa3 Nc5 19.Nxc5 dxc5 20.e5 Bb7 21.Qh3 f5 22.gxf6 gxf6 23.exf6 Qf7
24.Rf3 Kh8 25.Rg3 h6 26.Rg6 Qh7 27.Rg7 Bxg7 28.Bxh7  1-0

