A30g — English: Symmetrical, Mutual Double Fianchetto
1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.b3 Bg7 7.Bb2 O-O * ○ Trait aux Blancs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : case forte e5, Bb2 actif, paire de fous.
Faiblesses adverses : Bg7 enfermé.
Problèmes : Bg2 enfermé.
Plans :
● Nc3 — Développer Nb1
● h3 — Empêcher ...Bg4
● d3 — Protéger e4, libérer Bc1
Faiblesses adverses : Bg7 enfermé.
Problèmes : Bg2 enfermé.
Plans :
● Nc3 — Développer Nb1
● h3 — Empêcher ...Bg4
● d3 — Protéger e4, libérer Bc1
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Avantages : case forte e4, Bb7 actif, paire de fous.
Faiblesses adverses : Bg2 enfermé.
Problèmes : Bg7 enfermé.
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...d6 — Rupture
● ...d5 — Rupture
● ...e6 — Rupture
Faiblesses adverses : Bg2 enfermé.
Problèmes : Bg7 enfermé.
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...d6 — Rupture
● ...d5 — Rupture
● ...e6 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● a2→b3, f2→g3, h2→g3, b3→c4 | ● b6→c5, a7→b6, f7→g6, h7→g6 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● e5 (2v0) | ● e4 (2v0) |
| Cases faibles | — | — |
| Centre | ● d4 (2v1), ● e5 (2v0) | ● d5 (2v1), ● e4 (2v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bb2 | ● Bb2 Actif (mob. 6) | |
| Bg2 | ● Bg2 Enfermé (mob. 2) | |
| Bb7 | ● Bb7 Actif (mob. 6) | |
| Bg7 | ● Bg7 Enfermé (mob. 2) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 2 (b1, a1) | 2 (b8, a8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Roqué | ● Roqué |
| Droits de roque | — | — |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | semi-ouvert | |
| Ruptures | ● d2-d3, ● e2-e3 | ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5 |
| Partie |
|---|
| 11. Tal Mem Rapid 2018 – Round 3.4 – Karjakin, Sergey – 1/2-1/2 – Dubov, Daniil – G14 1. Nf3 c5 2. b3 b6 3. Bb2 Bb7 4. c4 Nf6 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. e3 d6 9. Nc3 Nbd7 10. d4 Ne4 |
| 11. Tal Mem Rapid 2018 – Round 8.3 – Svidler, Peter – 1/2-1/2 – Gelfand, Boris – G38 1. Nf3 c5 2. c4 Nf6 3. b3 g6 4. Bb2 Bg7 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. d4 cxd4 9. Qxd4 d6 10. Nc3 Nbd7 |
| 7. London Classic TB 2015 – Round 1.3 – Giri, Anish – 0-1 – Vachier-Lagrave, Maxime – G3 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 b6 5. Bg2 Bb7 6. O-O O-O 7. c4 c5 8. e3 d6 9. Qe2 Nbd7 10. Rd1 e6 |
| Amber Rapid 2004 – Round 8 – Bareev, Evgeny – 1/2-1/2 – Gelfand, Boris – G24 1. c4 Nf6 2. Nf3 b6 3. g3 c5 4. b3 g6 5. Bb2 Bg7 6. Bg2 Bb7 7. O-O O-O 8. d4 cxd4 9. Qxd4 d6 10. Nc3 Nbd7 |
| FIDE WCh KO 2000 – Round 1.1 – Dizdarevic, Emir – 1/2-1/2 – Psakhis, Lev – G2 1. c4 Nf6 2. Nf3 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. d4 cxd4 9. Qxd4 d6 10. Rd1 Nbd7 |
| FIDE World Blitz Championship 2025 – Round 11 – Moussard Jules – 1/2-1/2 – Duda Jan-Krzysztof – G210 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 b6 5. Bg2 Bb7 6. O-O c5 7. c4 O-O 8. d4 cxd4 9. Qxd4 d6 10. Nc3 Nbd7 |
| GCT Blitz Paris 2017 – Round 4.3 – Grischuk, Alexander – 1/2-1/2 – So, Wesley – G18 1. Nf3 Nf6 2. c4 c5 3. b3 g6 4. Bb2 Bg7 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. d4 cxd4 9. Qxd4 d5 10. Na3 dxc4 |
| GCT Blitz Paris 2019 – Round 17.3 – Duda, Jacob – 1-0 – Vachier-Lagrave, Maxime – G83 1. c4 c5 2. Nf3 Nf6 3. b3 b6 4. Bb2 Bb7 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. d4 cxd4 9. Qxd4 Nc6 10. Qc3 Qc7 |
| GCT Rapid YourNextMove 2017 – Round 9.2 – Aronian, Levon – 1-0 – Vachier-Lagrave, Maxime – G42 1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. b3 b6 5. Bg2 Bb7 6. O-O Bg7 7. Bb2 O-O 8. d4 cxd4 9. Qxd4 Nc6 10. Qc3 Rc8 |
| GRENKE Chess Classic 2018 – Round 3.2 – Hou, Yifan(HLJ) – 0-1 – Vachier-Lagrave, Maxime – G12 1. Nf3 c5 2. c4 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 b6 6. Bg2 Bb7 7. O-O O-O 8. d4 cxd4 9. Qxd4 Nc6 10. Qc3 Qc7 |
| Interpolis 1990 – Round 2 – Andersson, Ulf 1949 – 1/2-1/2 – Ivanchuk, Vasyl – G7 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. d4 cxd4 9. Qxd4 Na6 10. Nc3 Ne4 |
| Karpov - Kasparov World Championship Match 1984/85 – Round 11 – Karpov, Anatoly – 1/2-1/2 – Kasparov, Garry – G1 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. e3 e6 9. d4 Qe7 10. Nc3 Na6 |
| London Classic Elite blitz 6th 2014 – Round 4.3 – Kramnik, Vladimir – 0-1 – Giri, Anish – G12 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 c5 5. c4 b6 6. Bg2 Bb7 7. O-O O-O 8. e3 d6 9. Nc3 Ne4 10. d4 Nxc3 |
| Phillips&Drew 1980 – Round 5 – Andersson, Ulf 1949 – 1/2-1/2 – Timman, Jan H – G13 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. d4 cxd4 9. Qxd4 Nc6 10. Qd2 d5 |
| SportAccord Blitz Men 2013 – Round 10.1 – Aronian, Levon – 1-0 – Dominguez Perez, Leinier – G70 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. b3 g6 6. Bb2 Bg7 7. O-O O-O 8. d4 cxd4 9. Qxd4 d6 10. Nc3 Ne4 |
| Superbet Rapid & Blitz Poland 2025 – Round 21 – Aravindh Chithambaram VR. – 1-0 – Deac Bogdan-Daniel – G105 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 b6 5. Bg2 Bb7 6. O-O c5 7. c4 O-O 8. e3 Nc6 9. Qe2 d5 10. d3 e6 |
| World Blitz 2015 – Round 16.79 – Pavlovic, Milos – 0-1 – Fedorchuk, Sergey A. – G1029 1. Nf3 Nf6 2. c4 b6 3. b3 c5 4. g3 Bb7 5. Bg2 g6 6. O-O Bg7 7. Bb2 O-O 8. e3 d6 9. d4 a6 10. Qe2 Nbd7 |
| World Blitz 2017 – Round 19.2 – Karjakin, Sergey – 1/2-1/2 – Yu, Yangyi – G980 1. b3 Nf6 2. Bb2 b6 3. Nf3 Bb7 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. c4 c5 8. e3 Na6 9. d4 d5 10. Nbd2 cxd4 |
| World Blitz 2018 – Round 11.2 – Andreikin, Dmitry – 0-1 – Artemiev, Vladislav – G640 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 c5 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. d4 cxd4 9. Qxd4 d6 10. Nc3 Ne4 |
| World Blitz 2018 – Round 3.90 – Ovchinnikov, Vsevolod – 1-0 – Jumabayev, Rinat – G205 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. d4 cxd4 9. Bxd4 Qc8 10. Bb2 Rd8 |
| World Blitz 2021 – Round 11.49 – Peng, Li Min – 1-0 – Chigaev, Maksim – G669 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 b6 5. g3 Bb7 6. Bg2 c5 7. O-O O-O 8. d4 cxd4 9. Qxd4 d6 10. Rd1 Nbd7 |
| World Blitz 2023 – Round 12.3 – Nihal Sarin – 1/2-1/2 – Dubov, Daniil – G691 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 b6 6. Bg2 Bb7 7. O-O c5 8. d4 cxd4 9. Qxd4 d6 10. Nc3 Nbd7 |
| World Blitz 2023 – Round 20.77 – Pichot, Alan – 1-0 – Chinguun, Sumiya – G1169 1. Nf3 Nf6 2. b3 b6 3. g3 Bb7 4. Bg2 g6 5. Bb2 Bg7 6. c4 c5 7. O-O O-O 8. d4 cxd4 9. Nxd4 Bxg2 10. Kxg2 d5 |
| World Blitz 2023 – Round 4.27 – Keymer, Vincent – 0-1 – Bocharov, Dmitry – G224 1. Nf3 c5 2. c4 Nf6 3. b3 g6 4. Bb2 Bg7 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. e3 Nc6 9. Nc3 d5 10. d3 Qd7 |
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- A10-A39 English Opening, A30 - 1.c4 c5 - English [+0.24], A30g - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.b3 Bg7 7.Bb2 O-O - Symmetrical Mutual Double Fianchetto [+0.20], SÉRIE A
Karpov – Kasparov World Championship Match 1984/85 – Round 11 – Karpov, Anatoly – 1/2-1/2 – Kasparov, Garry – G1
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