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- 5.a3 Ba5, C00-C19 1. e4 e6 French defence, C17a - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 - French Defense: Winawer Variation, Advance Variation, C17r - 6.b4 cxd4 7.Nb5 Bc7 8.f4 (not 8...Bd7), SÉRIE C
Biel Interzonal 1985 – Round 6 – Ljubojevic, Ljubomir – 1/2-1/2 – Vaganian, Rafael A – G17

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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, D34r - 9.Bg5 cxd4 10.Nxd4 (not 10...h6), SÉRIE D
Biel Interzonal 1985 – Round 6 – Polugaevsky, Lev – 1/2-1/2 – Petursson, Magnus V. – G16

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- 6...e5 7.Nb3 Be7, B20 - B99 - 1. e4 c5 - Sicilian Defense, B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B92a - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 - Sicilian Defense: Najdorf Variation, Opocensky Variation, B92j - 8...O-O - 6.Be2 e5 7.Nb3 Be7 8.O-O O-O, SÉRIE B 1.e4 2....
Biel Interzonal 1985 – Round 7 – Jansa, Vlastimil – 1/2-1/2 – Ljubojevic, Ljubomir – G19

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B93 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B93a - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 - Sicilian Defense: Najdorf Variation, Amsterdam Variation, B93h - 6...Qc7 7.Nf3 (not 7...Nbd7), SÉRIE B 1.e4 2....
Biel Interzonal 1985 – Round 7 – Sokolov, Andrei – 1/2-1/2 – Polugaevsky, Lev – G18

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