[Event "Berliner Sommer"]
[Site "Berlin"]
[Date "1997.??.??"]
[Round "4"]
[White "Karpatchev, Aleksandr"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2610"]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 e6 5.d4 cxd4 6.cxd4 d6 7.Bc4 Nc6 8.Qe2 Nb6
9.Bb3 dxe5 10.dxe5 Nb4 11.O-O Qd3 12.Qxd3 Nxd3 13.Nc3 Bd7 14.a4 Nc5 15.Bc2 a5
16.Rd1 Be7 17.Be3 Rc8 18.Ne4 Nd5 19.Bxc5 Bxc5 20.Bb3 Nb6 21.Rdc1 Be7 22.Nd6+ Bxd6
23.Rxc8+ Nxc8 24.exd6 O-O 25.Ne5 Rd8 26.f4 g6 27.g4 Bc6 28.f5 gxf5 29.gxf5 Nxd6
30.fxe6 fxe6 31.Nxc6 bxc6 32.Bxe6+ Kf8 33.Rc1 Ke7 34.Bh3 Rb8 35.Rxc6 Rxb2
36.Rc7+ Kf6 37.Rxh7 Ne4 38.Bf1 Ng5 39.Rh6+ Kg7 40.Rh5 Kg6 41.Rh8 Kg7 42.Rh5  1/2-1/2

