-

- A10-A39 English Opening, A25 - 1. c4 e5 2. Nc3 Nc6 - English Opening: King's English Variation, Reversed Closed Sicilian, A25 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4.... - English Opening, A25 - Closed, Hort, 7.d3, SÉRIE A
Interpolis 1980 – Round 1 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G2

- Lire la suite
-

- A10-A39 English Opening, A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 - English Opening: King's English Variation, Closed System, Full Symmetry, A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4.... - English Opening, A26 - English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3 h6, SÉRIE A
Interpolis 1980 – Round 1 – Ribli, Zoltan – 0-1 – Karpov, Aleksandr – G1

- Lire la suite
-

- 5.e3 b5, D10-D19 1. d4 d5 2. c4 c6 Queen's Gambit Slav defence, D15a - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 - Slav Defense: Three Knights Variation, D15d - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 - Slav Defense: Chebanenko Variation, D15s - 6.a4 b4 7.Nb1, SÉRIE D
Interpolis 1980 – Round 1 – Ribli, Zoltan – 1/2-1/2 – Huebner, Robert – G48

- Lire la suite
-

- 7...cxd4 8.exd4 Be7 — Main Line, D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D42a - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 - Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line, D42m - 9.O-O O-O 10.Re1 Nf6 11.a3 b6 12.Be3 — Main Line, SÉRIE D
Interpolis 1980 – Round 1 – Ribli, Zoltan – 1/2-1/2 – Kavalek, Lubomir – G41

- Lire la suite
-

- E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence, E99 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 - King's Indian Defense: Orthodox Variation, Classical System, Traditional Line, SÉRIE E
Interpolis 1980 – Round 1 – Sosonko, Gennadi – 1/2-1/2 – Kavalek, Lubomir – G6

- Lire la suite
-

- 9...c5 10.Rd1 d6 — Main Line, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E19a - 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, E19m - 10...d6 (not 11.b3), SÉRIE E
Interpolis 1980 – Round 1 – Sosonko, Gennadi – 1/2-1/2 – Portisch, Lajos – G13

- Lire la suite
-

- 9...Nb6 10.Rd1 Nc6 — Main Line, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D99 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 - Grünfeld Defense: Russian Variation, Smyslov Variation, D99f - (not 11.d5) — Main Line, SÉRIE D
Interpolis 1980 – Round 1 – Sosonko, Gennadi – 1/2-1/2 – Timman, Jan H – G16

- Lire la suite
