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- 5...e6 6.Nge2 (not 6...Nge7), A10-A39 English Opening, A36 - 1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 - English Opening: Symmetrical Variation, Botvinnik System, A36 - 1. c4 c5 2. Nc3 Nc6 3. g3 - English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation, SÉRIE A
Interpolis 1978 – Round 11 – Dzindzichashvili, Roman – 1/2-1/2 – Portisch, Lajos – G40

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- 11.b3 Bf6 12.Bb2 Qe7 — Main Line, 9...c5 10.Rd1 d6 — Main Line, 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, SÉRIE E
Interpolis 1978 – Round 11 – Hort, Vlastimil – 1/2-1/2 – Timman, Jan H – G42

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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E54 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation, SÉRIE E
Interpolis 1978 – Round 2 – Browne, Walter S – 1-0 – Ljubojevic, Ljubomir – G8

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- 4.exd5 Qxd5 — Main Line, 5.Ngf3 cxd4 6.Bc4 Qd6 7.O-O Nf6 8.Nb3 Nc6 9.Nbxd4 Nxd4 10.Nxd4 — Main Line, C00-C19 1. e4 e6 French defence, C07 - 1. e4 e6 2. d4 d5 3. Nd2 c5 - French Defense: Tarrasch Variation, Open System, SÉRIE C
Interpolis 1978 – Round 2 – Hort, Vlastimil – 1/2-1/2 – Spassky, Boris Vasily – G10

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- 5...Nbd7 (not 6.Bb5+, 6.Bc4, 6.Bg5, 6.h3, 6.g3, 6.f4, 6.f3, 6.Be3), B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B56 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 - Sicilian Defense: Classical Variation, B56 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Interpolis 1978 – Round 2 – Timman, Jan H – 1-0 – Larsen, Benjamin Holsko – G9

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