[Event "ARG-ch"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "18"]
[White "Najdorf, Miguel"]
[Black "Giardelli, Sergio C"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2300"]
[ECO "E57"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O Nc6 8.a3 dxc4
9.Bxc4 cxd4 10.exd4 Be7 11.Re1 b6 12.Qd3 Bb7 13.Ba2 Rc8 14.Bg5 Rc7 15.Rad1 Rd7
16.Bb1 g6 17.Bh6 Re8 18.Ba2 Ng4 19.Be3 Nce5 20.Nxe5 Nxe5 21.Qe2 Nc6 22.d5 exd5
23.Nxd5 Nb8 24.Bh6 Bxd5 25.Qe5 f6 26.Bxd5+ Kh8 27.Qe6  1-0

