IBM

H. Donner (2465)

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1979.07
1/2 : 1/2

Gennadi Sosonko (2535)

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1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 8.e4 e5 9.d5 Ne7 10.Nd2 Qa5 11.Qb3 O-O 12.f3 Nh5 13.g3 Bh3 14.Nf1 f5 15.exf5 Bxf5 16.Bxf5 Nxf5 17.Nd2 Nf6