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- 8.Bb5+ - Modern Exchange Variation, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 - Grünfeld Defense: Exchange Variation, Modern Exchange Variation, D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5- Grünfeld Defense, SÉRIE D
Interpolis 1979 – Round 10 – Spassky, Boris Vasily – 1/2-1/2 – Sax, Gyula – G37

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- A60-A79 1. d4 Nf6 2. c4 c6 3. d5 e6 Modern Benoni Defense, A62 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O - Benoni Defense: Fianchetto Variation, A62 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4.... - Benoni Defense, SÉRIE A
Interpolis 1979 – Round 11 – Sosonko, Gennadi – 0-1 – Timman, Jan H – G40

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50 - 1. e4 c5 2. Nf3 d6 - Sicilian Defense: Modern Variations, B50 - 1. e4 c5 2. Nf3 d6 3. c3 - Sicilian Defense: Delayed Alapin Variation, with d6, B50 - 1. e4 c5 2. Nf3 d6 3. Nc3 - Sicilian Defense: Modern Variations, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, SÉRIE B 1.e4 2....
Interpolis 1979 – Round 2 – Romanishin, Oleg M – 1-0 – Timman, Jan H – G13

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- 4.d4 exd4 — Main Line, 5.Nd5 Be7, C40-C49 King's knight opening, C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 - Four Knights Game, C47 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. ....Four knights, Scotch variation, SÉRIE C
Interpolis 1979 – Round 2 – Sax van der Weijden, Daan – 1/2-1/2 – Karpow, Werner – G12

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- A10-A39 English Opening, A32 - 1. c4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 - English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense, A32 - 1. c4 e6 2. d4 c5 3. Nf3 cxd4 4.... - English Opening, SÉRIE A
Interpolis 1979 – Round 3 – Karpov, Aleksandr – 1/2-1/2 – Romanishin, Oleg M – G15

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- 5...e6 6.O-O Be7 — Main Line, 7.c4 Nb6 8.Nc3 O-O 9.Be3 — Main Line, B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 - Alekhine Defense: Modern Variation, Main Line, B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 - Alekhine Defense: Modern Variation, Alekhine Variation, B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4.... - Alekhine Defense, SÉRIE B 1.e4 2....
Interpolis 1979 – Round 4 – Hubner, R. – 1/2-1/2 – Weiman Hort, Valentin – G18

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