[Event "URS-ch37"]
[Site "URS"]
[Date "1969.??.??"]
[Round "?"]
[White "Petrosian, Tigran V"]
[Black "Platonov, Igor V"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E14"]

1.c4 e6 2.Nf3 Nf6 3.d4 Bb4+ 4.Nbd2 O-O 5.e3 b6 6.Bd3 Bb7 7.O-O c5 8.dxc5 bxc5
9.b3 d5 10.Bb2 Nbd7 11.Qc2 Qe7 12.Rfd1 Rfd8 13.a3 Ba5 14.cxd5 exd5 15.b4 cxb4
16.Qa4 Bb6 17.Qxb4 Qxb4 18.axb4 a5 19.b5 Ne4 20.Nd4 Ne5 1/2-1/2