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- B20-B99 1. e4 c5 - Sicilian Defense, B60-B69 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Sicilian, Richter-Rauzer, B67 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 - Sicilian, B67n - 11.f5 - Richter-Rauzer (1954), SÉRIE B 1.e4 2....
Biel Interzonal 1976 – Round 6 – Matanovic, Aleksandar – 1/2-1/2 – Tal, Mikhail – G28
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- B20-B99 1. e4 c5 - Sicilian Defense, B30-B39 1.e4 c5 2. Nf3 Nc6 Sicilian defence, B31 - 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 - Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, B31q - 6.c3 - Rossolimo (1957), SÉRIE B 1.e4 2....
Biel Interzonal 1976 – Round 7 – Adan Castro, Oliver Isaac – 1-0 – Geller, Efim P – G32
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- 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, E18n - 9.cxd5 exd5 - Queen’s Indian (1950), SÉRIE E
Biel Interzonal 1976 – Round 7 – Andersson, Ulf 1949 – 1/2-1/2 – Petrosian, Tigran V – G34
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E45 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 - Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation (1951), E45g - 6…Bxc3+ - Nimzo-Indian: Nimzowitsch, SÉRIE E
Biel Interzonal 1976 – Round 7 – Lombard, Andre – 0-1 – Larsen, Bent – G31
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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, D41h - 9…* - Semi-Tarrasch, Main Line, SÉRIE D
Biel Interzonal 1976 – Round 7 – Portisch, Lajos – 1/2-1/2 – Matanovic, Aleksandar – G30
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- C90-C99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 Ruy Lopez, closed, C95 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 - Spanish, C95k - 14.* - Closed, Breyer, Main Line, SÉRIE C
Biel Interzonal 1976 – Round 7 – Tal, Mikhail – 1/2-1/2 – Smejkal, Jan – G33
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E48 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 - Nimzo-Indian Defense: Normal Variation, Classical Defense, E48b - 6.a3 - Nimzo-Indian (1935), SÉRIE E
Biel Interzonal 1976 – Round 8 – Petrosian, Tigran V – 1-0 – Sosonko, Gennadi – G36
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