Johannesburg

Ulf Andersson (2600)

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1981.07
1/2 : 1/2

Viktor Korchnoi (2695)

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1.Nf3 d5 2.d4 Nf6 3.c4 dxc4 4.Qa4+ Nc6 5.Nc3 Nd5 6.Qxc4 Ndb4 7.Qb3 Nxd4 8.Nxd4 Qxd4 9.Be3 Be6 10.Qa4+ Bd7 11.Qb3 Be6 12.Qa4+