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- 6.g3 Nc6 — Main Line, 7.Bg2 Be7 8.O-O O-O 9.Nxd5 exd5 10.dxc5 Bxc5 — Main Line, D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6 - Queen's Gambit Declined: Semi-Tarrasch Defense, SÉRIE D
Mar del Plata 1982 – Round 1 – Panno, Oscar – 1/2-1/2 – Karpov, Aleksandr – G3

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- 6.O-O O-O — Main Line, 7.Qc2 a6 8.a4 Bd7 9.Qxc4 Bc6, E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, SÉRIE E
Mar del Plata 1982 – Round 1 – Polugaevsky, Lev – 1-0 – Braga, Felipe De Souza – G9

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- 7...c6 8.b3 b6, 9.Rd1 Bb7 10.Nc3 Rc8 11.e4, E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E08 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 - Catalan Opening: Closed, SÉRIE E
Mar del Plata 1982 – Round 1 – Polugaevsky, Lev – 1-0 – Garcia Palermo, Carlos Horacio – G10

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- 6...Be7 7.Nf3 g6 — Exchange, 8.e3, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D36 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 - Queen's Gambit Declined: Exchange Variation, Reshevsky Variation, SÉRIE D
Mar del Plata 1982 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Karpov, Aleksandr – G22

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- 7...Ne4 8.Nxe4 Bxe4, 9.Ne1 Bxg2 10.Nxg2 d5 11.Qa4 Qd7, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E18 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 - Queen's Indian Defense: Classical Variation, Traditional Variation, SÉRIE E
Mar del Plata 1982 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Timman, Jan H – G34

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- 7...cxd4, E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence, E65 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 - King's Indian Defense: Fianchetto Variation, Yugoslav Variation, SÉRIE E
Mar del Plata 1982 – Round 1 – Portisch, Lajos – 0-1 – Larsen, Benjamin Holsko – G25

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