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- 4...Ba6 5.b3 Bb4+ — Main Line, 6.Bd2 Be7 7.Bg2 c6 8.O-O d5, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 - Queen's Indian Defense: Fianchetto Variation, SÉRIE E
Breda m 1979 – Round 2 – Polugaevsky, Lev – 1/2-1/2 – Timman, Jan H – G2

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- 8...O-O - 8…c5, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D87 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O Grünfeld Defense: Exchange Variation, Spassky Variation|, SÉRIE D
Breda m 1979 – Round 6 – Polugaevsky, Lev – 0-1 – Timman, Jan H – G6

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- 8.O-O O-O — Main Line, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D34a - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 - Tarrasch Defense: Prague Variation, Main Line, D34u - 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 (not 12.Qb3, 12.Rc1), SÉRIE D
Breda m 1979 – Round 8 – Polugaevsky, Lev – 1-0 – Timman, Jan H – G8

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