[Event "Siegen ol (Men) fin-A"]
[Site "Siegen FRG"]
[Date "1970.09.24"]
[EventDate "?"]
[Round "10"]
[Result "1/2-1/2"]
[White "Duncan Suttles"]
[Black "Tigran Vartanovich Petrosian"]
[ECO "A00"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "50"]

1.Nc3 d5 2.e4 c6 3.d3 g6 4.Qe2 Bg7 5.g3 dxe4 6.dxe4 e5 7.Be3
Nf6 8.Rd1 Qa5 9.f3 Nbd7 10.Qf2 O-O 11.Ne2 Re8 12.Nc1 Qc7
13.Bh3 b6 14.O-O Ba6 15.Rfe1 Rad8 16.b4 Bf8 17.a3 Bb7 18.Nb3
Be7 19.Na4 Ba6 20.Bf1 Bc8 21.c4 Kg7 22.c5 b5 23.Nc3 Nb8 24.Na5
Rxd1 25.Rxd1 Rd8 1/2-1/2