Leningrad ch-URS

Alexander Kochyev (2490)

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1977.11
1/2 : 1/2

T. Petrosian (2645)

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1.Nf3 Nf6 2.c4 d5 3.d4 c6 4.e3 e6 5.Bd3 dxc4 6.Bxc4 c5 7.O-O a6 8.dxc5 Qxd1 9.Rxd1 Bxc5 10.a3 b5 11.Be2 Bb7 12.b4 Be7 13.Bb2