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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, E05v - 6.O-O O-O 7.Qc2 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bf4 Nc6 11.Rd1 - Open, Classical (1970), SÉRIE E
Mar del Plata 1982 – Round 1 – Portisch, Lajos – 1/2-1/2 – Karpov, Anatoly – G27
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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 – Seirawan, Yasser – 1-0 – Polugaevsky, Lev – G51
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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 – Seirawan, Yasser – 1-0 – Polugaevsky, Lev – G6
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- E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence, E74 - 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 - King's Indian Defense: Averbakh Variation, Benoni Defense, E74e - 7.d5 Qa5 - Averbakh (1954), SÉRIE E
Mar del Plata 1982 – Round 1 – Seirawan, Yasser – 1-0 – Quinteros, Miguel Angel – G19
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