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- 6.Nc3 Ne4, 7.Bd2, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E17 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 - Queen's Indian Defense: Traditional Variation, SÉRIE E
Ch World (match) (cand.) (1/2) 1971 – Round 6 – Korchnoi, Viktor – 1/2-1/2 – Petrosian, Tigran V – G1

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