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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E59 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 - Nimzo-Indian, E59i - 11.Bb5 - Main Line (1954), SÉRIE E
Candidats qf3 1980 – Round 4 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris V. – G4
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