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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E19 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3 - Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line, E19c - 9…d6 10.b3 - Old Main Line (1927), SÉRIE E
Madrid 1973 – Round 4 – Tukmakov, Vladimir B – 1/2-1/2 – Karpov, Anatoly – G9
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- E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence, E68 - 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 - King’s Indian, E68h - 8…exd4 9.Nxd4 Re8 10.h3 Nc5 11.Re1 a5 - Fianchetto, Classical (1942), SÉRIE E
Madrid 1973 – Round 5 – Portisch, Lajos – 1-0 – Planinec, Albin – G11
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- B20-B99 1. e4 c5 - Sicilian Defense, B40-B49 1. e4 c5 2. Nf3 e6 Sicilian defence, B44 - 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 - Sicilian Defense: Taimanov Variation, B44p - 5.Nb5 d6 6.c4 Nf6 7.N5c3 - Taimanov, Szen (1960), SÉRIE B 1.e4 2....
Madrid 1973 – Round 6 – Ljubojevic, Ljubomir – 1/2-1/2 – Karpov, Anatoly – G13
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