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- B20-B99 1. e4 c5 - Sicilian Defense, B70 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 - Sicilian Defense: Dragon Variation, B70-B79 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 Sicilian, dragon variation, B70i - 6.Be2 - Dragon Variation, Classical Variation, B70j - 6.Be2 a6 - Dragon (1938), B70j - 7.* (1938), SÉRIE B 1.e4 2....
Riga Interzonal 1979 – Round 1 – Ljubojevic, Ljubomir – 1/2-1/2 – Larsen, Bent – G1
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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E15 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 - Queen's Indian Defense: Fianchetto Variation, E15k - 4…Ba6 5.Qa4 c5 6.Bg2 Bb7 7.O-O - Nimzowitsch (1954), SÉRIE E
Riga Interzonal 1979 – Round 1 – Trois, Francisco R.T. – 0-1 – Polugaevsky, Lev – G2
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- A10-A39 English Opening, A16 - 1.c4 Nf6 2.Nc3 - Anglo-Indian Defense, Queen's Knight Variation, A16i - 2…d5 3.cxd5 Nxd5 4.Nf3 g6 5.e4 Nxc3 6.dxc3 Qxd1+ 7.Kxd1 - Anglo-Gruenfeld, Andersson-Boeoek, Queenswap (1947), SÉRIE A
Riga Interzonal 1979 – Round 10 – Larsen, Bent – 1/2-1/2 – Tseshkovsky, Vitaly – G27
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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E15 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 - Queen's Indian Defense: Fianchetto Variation, E15o - 4…Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Nc3 - Nimzowitsch (1977), SÉRIE E
Riga Interzonal 1979 – Round 10 – Tarjan, James – 1/2-1/2 – Polugaevsky, Lev – G25
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- B20-B99 1. e4 c5 - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, B81 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 - Sicilian, B81q - 6…Nc6 - Scheveningen, Keres (1943), B81r - 6…Nc6 7.g5 Nd7 - Scheveningen, Keres (1953), B81s - 6…Nc6 7.g5 Nd7 8.Be3 - Scheveningen, Keres (1938), B81s - 8…* (1938), SÉRIE B 1.e4 2....
Riga Interzonal 1979 – Round 10 – Van Riemsdijk, Herman C. – 1/2-1/2 – Tal, Mikhail – G26
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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, B96 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 - Sicilian Defense: Najdorf Variation, B96u - 7…b5 8.e5 dxe5 9.fxe5 Qc7 10.Qe2 Nfd7 11.O-O-O Nc6 - Najdorf, Polugaevsky (1960), SÉRIE B 1.e4 2....
Riga Interzonal 1979 – Round 12 – Gruenfeld, Yehuda – 0-1 – Polugaevsky, Lev – G31
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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, B92 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 - Sicilian Defense: Najdorf Variation, Opocensky Variation, B92c - 6…e5 - Najdorf (1947), B92e - 6…e5 7.Nb3 - Najdorf (1947), B92f - 6…e5 7.Nb3 Be7 - Najdorf (1951), B92h - 6…e5 7.Nb3 Be7 8.O-O - Najdorf (1952), B92j - 6…e5 7.Nb3 Be7 8.O-O O-O - Najdorf Variation, Opocensky Variation, Traditional Line (1951), B92j - 9.* (1951), SÉRIE B 1.e4 2....
Riga Interzonal 1979 – Round 12 – Larsen, Bent – 0-1 – Romanishin, Oleg M – G30
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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, D41g - 5…Nxd5 6.g3 Nc6 7.Bg2 Be7 8.O-O O-O 9.e4 Ndb4 - Semi-Tarrasch, Main Line (1965), SÉRIE D
Riga Interzonal 1979 – Round 12 – Ribli, Zoltan – 1/2-1/2 – Tal, Mikhail – G32
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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E16 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ - Queen's Indian Defense: Capablanca Variation, E16o - 6.Bd2 Bxd2+ 7.Nbxd2 - Capablanca (1921), SÉRIE E
Riga Interzonal 1979 – Round 13 – Kuzmin, Gennadi – 1-0 – Larsen, Bent – G34
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