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- 6...Nf6 7.Nc3 O-O, 8.Be2 d6 9.O-O Nd7, B20 - B99 - 1. e4 c5 - Sicilian Defense, B30 - B39 1.e4 c5 2. Nf3 Nc6 Sicilian defence, B38 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 - Sicilian Defense: Accelerated Dragon, Maróczy Bind, B38 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Las Palmas 1977 – Round 14 – Karpov, Anatoly – 1-0 – Visier Segovia, Fernando – G29

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- 5.a3 (not 5...e6, 5...d6, 5...e5, 5...Nf6, 5...Be7, 6.Nge2), 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
Las Palmas 1977 – Round 14 – Larsen, Bent – 1/2-1/2 – Martin Gonzalez, Angel – G28

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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, B68 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 - Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, B68 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Las Palmas 1977 – Round 2 – Tal, Mikhail – 1/2-1/2 – Timman, Jan H – G4

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- 6.Bb5 Bd6 — Main Line, 7.O-O Ne7 8.dxc5 Bxc5 9.Nb3 Bd6 10.Re1 O-O 11.Bg5 Bg4 — Main Line, C00-C19 1. e4 e6 French defence, C09 - 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 - French Defense: Tarrasch Variation, Open System, Main Line, SÉRIE C
Las Palmas 1977 – Round 3 – Karpov, Anatoly – 1-0 – Debarnot, Roberto – G6

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- 10.Be3, 9.O-O O-O, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D33 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 - Tarrasch Defense: Rubinstein System, D33 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5 - Tarrasch Defense: Dubov Tarrasch, SÉRIE D
Las Palmas 1977 – Round 3 – Larsen, Bent – 1-0 – Visier Segovia, Fernando – G5

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- (not 9.cxd5), 7...d5 8.Ne5 Na6, 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
Las Palmas 1977 – Round 4 – Garcia Padron, Jose – 0-1 – Karpov, Anatoly – G7

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- 11.b3 — 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
Las Palmas 1977 – Round 5 – Karpov, Anatoly – 1-0 – Pomar Salamanca, Arturo – G8

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- E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence, E96 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 a5 - King's Indian Defense: Orthodox Variation, Positional Defense, Main Line, SÉRIE E
Las Palmas 1977 – Round 7 – Borrueco Cabrera, Gabriel – 0-1 – Tal, Michael – G14

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