[Event "Siegen olm"]
[Site "Siegen"]
[Date "1970.??.??"]
[Round "12"]
[White "Bobotsov, Milko G"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A28"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 O-O 6.Be2 Re8 7.O-O e4 8.Nd4 Nxd4
9.exd4 d5 10.cxd5 Bf5 11.d3 exd3 12.Bxd3 Bxd3 13.Qxd3 Nxd5 14.Qc4 Bxc3 15.bxc3 b5
16.Qd3 Qd7 17.a4 Qc6 18.Bd2 Qc4 19.Qxc4 bxc4 20.Rab1 Rab8 21.Rfc1 Kf8 22.Kf1 a6
23.Rb4 Nxb4 24.cxb4 c3 25.Bxc3 Re4 26.g3 Ke8 27.Be1 Kd7 28.Rc4 Rb6 29.b5 axb5
30.axb5 Rxb5 31.Bd2 g5 32.Kg2 Rd5 33.Be3 h6 34.Kf3 Re6 35.g4 f5 36.gxf5 Rxf5+
37.Kg4 Rff6 38.Rc5 Re4+ 39.Kg3 Rd6 40.Rc4 Rh4 41.Ra4  0-1

