[Event "7th ETCh final"]
[Site "Skara SWE"]
[Date "1980.??.??"]
[Round "3"]
[White "Petrosian, Tigran URS"]
[Black "Schneider, Lars-Aake SWE"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2450"]
[ECO "E45"]
[EventDate "1980.01.18"]
[PlyCount "52"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.Ng3 O-O 
    ( 6...h5!? 7.h4 Bb7 8.Qd3 d5 9.cxd5 exd5 10.Qc2 c5 11.a3 cxd4 12.axb4 
    dxc3 13.bxc3 Nbd7 14.Nf5 O-O 15.Bb2 Ne5 ~ {
    Knaak-Bronstein/Tallin/1979/} )
7.e4 Nc6 8.Bd3 e5 9.d5 Bxc3+ 
    ( 9...Na5? 10.Qe2 Bxc3+ 11.bxc3 c6!? 12.Nf5 Ne8? 
        ( 12...d6 13.Bg5 Bc8 14.g4 Bxf5 15.gxf5 cxd5 16.cxd5 Rc8 17.c4 Kh8
        ~ )
    13.f4 Qc7 14.fxe5 Qxe5 15.O-O f6 16.Bf4 +/- {
    Spassky-Huebner/Munich/1979/} )
    ( 9...Ne7! )
10.bxc3 Ne7 11.O-O d6 12.Bg5 Nd7 13.Qg4 f6 14.Be3 Nc5 15.Bxc5 bxc5 16.Rfb1
Qc8 17.Qd1 Qd7 18.Qb3 Ng6 19.Nf5 Nf4 20.Bf1 g6 21.Ne3 f5 22.Qc2 Nh5 23.
exf5 gxf5 24.Be2 Nf4 25.Bf1 Nh5 26.Be2 Nf4 1/2-1/2

