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- 4...Ne4 5.Qxd4 d5 — Main Line, 6.exd6 Nxd6 7.Nc3 Nc6 8.Qf4 Bf5 — Pillsbury, C40-C49 King's knight opening, C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 - Petrov's Defense: Modern Attack, C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 - Petrov's Defense: Modern Attack, C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 - Petrov's Defense: Modern Attack, Center Variation, SÉRIE C
Biel Interzonal 1976 – Round 11 – Geller, Efim P – 1/2-1/2 – Smyslov, Vladimir – G53

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- 6.Be2 a6, 7.O-O Nf6 8.Kh1, B20 - B99 - 1. e4 c5 - Sicilian Defense, B40 - B49 1. e4 c5 2. Nf3 e6 Sicilian defence, B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 - Sicilian Defense: Taimanov Variation, Bastrikov Variation, SÉRIE B 1.e4 2....
Biel Interzonal 1976 – Round 11 – Liberzon, Vladimir M – 0-1 – Larsen, Benjamin Holsko – G52

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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
Biel Interzonal 1976 – Round 11 – Sosonko, Gennadi – 1-0 – Smejkal, Jakub – G49

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- 6...Qc7 7.Bd3 g6, 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, B93 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 - Sicilian Defense: Najdorf Variation, Amsterdam Variation, B93 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Biel Interzonal 1976 – Round 11 – Tal, Mikhail – 1/2-1/2 – Rogoff, Kenneth – G51

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- 3...e6 - London, D00-D06 1. d4 d5 Queen's pawn game, D02 - 1. d4 d5 2. Nf3 - Queen's Pawn Game: Zukertort Variation, D02 - 1. d4 d5 2. Nf3 Nf6 - Queen's Pawn Game: Symmetrical Variation, D02 - 1. d4 d5 2. Nf3 Nf6 3. Bf4 - Queen's Pawn Game: London System, SÉRIE D
Biel Interzonal 1976 – Round 12 – Larsen, Benjamin Holsko – 1/2-1/2 – Csom, Istvan – G56

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- 7...Ne4 8.Bd2 (not 8...Bf6, 8...d5, 8...f5), E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E18 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 - Queen's Indian Defense: Classical Variation, Traditional Variation, SÉRIE E
Biel Interzonal 1976 – Round 12 – Petrosian, Tigran V – 1/2-1/2 – Geller, Efim P – G58

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- 4...Nc6 5.Bb5 Bd7 — Main Line, 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O — Main Line, B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Biel Interzonal 1976 – Round 13 – Al Tal, Ammar – 1-0 – Byrne Lau Cedric Augusto – G59

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