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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 - QGD, D41i - 5…Nxd5 6.g3 Nc6 7.Bg2 Be7 8.O-O O-O 9.Nxd5 exd5 10.dxc5 Bxc5 - Semi-Tarrasch, Main Line (1942), SÉRIE D
Mar del Plata 1982 – Round 1 – Panno, Oscar – 1/2-1/2 – Karpov, Anatoly – G3
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- A10-A39 English Opening, A30 - 1.c4 c5 - Symmetrical Variation, A30y - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7 11.e4 - Symmetrical, Hedgehog, Flexible Formation (1982), SÉRIE A
Mar del Plata 1982 – Round 1 – Polugaevsky, Lev – 0-1 – Portisch, Lajos – G52
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- 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, E05m - 6.O-O O-O 7.Qc2 a6 8.a4 Bd7 9.Qxc4 Bc6 - Open, Classical (1982), SÉRIE E
Mar del Plata 1982 – Round 1 – Polugaevsky, Lev – 1-0 – Braga, Felipe De Souza – G9
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- 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, E08q - 7…c6 8.b3 b6 9.Rd1 Bb7 10.Nc3 Rc8 11.e4 - Closed (1950), SÉRIE E
Mar del Plata 1982 – Round 1 – Polugaevsky, Lev – 1-0 – Garcia Palermo, Carlos Horacio – G10
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- 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, E18w - 7…Ne4 8.Nxe4 Bxe4 9.Ne1 Bxg2 10.Nxg2 d5 11.Qa4 Qd7 - Queen’s Indian (1960), SÉRIE E
Mar del Plata 1982 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Timman, Jan H – G34
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E41 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 - Nimzo-Indian Defense: Rubinstein System (1949), E41h - 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 8.e4 - Huebner (1951), SÉRIE E
Mar del Plata 1982 – Round 1 – Portisch, Lajos – 0-1 – Timman, Jan H – G28
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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E14 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 - Queen's Indian Defense: Spassky System, E14o - 4…Bb7 5.Bd3 d5 6.O-O Bd6 7.b3 - Queen’s Indian (1958), SÉRIE E
Mar del Plata 1982 – Round 1 – Portisch, Lajos – 1-0 – Franco Ocampos, Zenon – G31
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- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D26 - 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 - Queen's Gambit Accepted: Normal Variation, Traditional System, D26n - 5.Bxc4 c5 6.Qe2 a6 7.dxc5 Bxc5 8.O-O Nc6 - Classical, Furman (1927), SÉRIE D
Mar del Plata 1982 – Round 1 – Portisch, Lajos – 1/2-1/2 – Garcia Palermo, Carlos Horacio – G21
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