[Event "Wageningen zt"]
[Site "Wageningen"]
[Date "1957.??.??"]
[Round "6"]
[White "Clarke, Peter H"]
[Black "Stahlberg, Gideon"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C02"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7 6.Be2 h5 7.O-O Nh6 8.dxc5 Bxc5
9.b4 Bb6 10.b5 Ne7 11.Bg5 Nhf5 12.Na3 Qc7 13.Rc1 Bc5 14.Nc2 Ng6 15.Ncd4 O-O
16.Nxf5 exf5 17.Qxd5 Be6 18.Qd2 Qb6 19.Rcd1 Rac8 20.Bf4 Rfd8 21.Nd4 Bxd4
22.cxd4 Bc4 23.Bg5 Re8 24.Bxc4 Rxc4 25.Qd3 Qxb5 26.Qxf5 Qd5 27.Be3 Qxg2+
28.Kxg2 Nh4+ 29.Kg3 Nxf5+ 30.Kf4 g6 31.Rd2 Kg7 32.Ke4 Rec8 33.Rb1 b6 34.Rbb2 Kf8
35.Kd3 Ke7 36.d5 Kd7 37.Rb3 Ra4 38.f3 Rc1 39.Bg5 Re1 40.Bf6 Re3+ 41.Kc2 Rxa2+
42.Rb2 Nd4+ 43.Kb1 Rxb2+ 44.Kxb2 Nxf3 0-1

[Event "Halle zt"]
[Site "Halle"]
[Date "1963.??.??"]
[Round "?"]
[White "Kavalek, Lubomir"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B41"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Bb4 7.Bd2 O-O 8.e5 Bxc3
9.Bxc3 Ne4 10.Qc2 d5 11.exd6 Nxc3 12.Qxc3 Qxd6 13.O-O-O Qf4+ 14.Qe3 Qxe3+
15.fxe3 e5 16.Nf3 Nc6 17.Be2 f6 18.Rd6 Bf5 19.Rhd1 Rfd8 20.Rxd8+ Rxd8 21.Rxd8+ Nxd8 1/2-1/2

[Event "Budapest-Leningrad m"]
[Site "Budapest"]
[Date "1959.??.??"]
[Round "?"]
[White "Barcza, Gedeon"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A35"]

1.Nf3 c5 2.e3 g6 3.c4 Bg7 4.Nc3 Nf6 5.d4 cxd4 6.Nxd4 Nc6 7.Be2 O-O 8.O-O d5
9.cxd5 Nxd5 10.Nxd5 Qxd5 11.Bf3 Qc5 12.Nxc6 bxc6 13.Qa4 Be6 14.Qxc6 Qxc6
15.Bxc6 Rab8 16.Ba4 Bxb2 17.Bxb2 Rxb2 18.Bb3 1/2-1/2