[Event "IBM"]
[Site "Amsterdam"]
[Date "1963.??.??"]
[Round "4"]
[White "Czerniak, Moshe"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C47"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.exd5 Qe7+
9.Qe2 cxd5 10.Qxe7+ Kxe7 11.O-O Rd8 12.a3 Bc5 13.b4 Bd4 14.Bd2 Bb7 15.Rae1+ Kf8
16.Nb5 Bb6 17.Bf4 Ne8 18.Bxh7 d4 19.a4 a5 20.Bg5 Nf6 21.Bxf6 gxf6 22.bxa5 Rxa5
23.Be4 Bxe4 24.Rxe4 c6 25.Na3 Rxa4 26.Nb1 Ra2 27.Rc1 Ba5 28.Kf1 c5 29.Re2 Ra1
30.Ree1 Bxe1 31.Rxe1 Ra2 32.c3 Rb8 33.cxd4 cxd4 34.Rd1 Rbb2  0-1

