A30 — English Opening: Symmetrical Variation, Hedgehog Defense
1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O ○ Trait aux Blancs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : majorité aile_dame (3v2), case forte f4, case forte b5, case forte e5, case forte g5, paire de fous, colonne d.
Faiblesses adverses : arriéré d7.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Rd1 — Tour sur colonne semi-ouverte d, [Masters 70%]
● Bg5 — Clouer Nf6 [Masters 8%]
● Rd — Tour sur colonne d [Masters 70%]
● h3 — Empêcher ...Bg4
Faiblesses adverses : arriéré d7.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Rd1 — Tour sur colonne semi-ouverte d, [Masters 70%]
● Bg5 — Clouer Nf6 [Masters 8%]
● Rd — Tour sur colonne d [Masters 70%]
● h3 — Empêcher ...Bg4
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Avantages : majorité centre (2v1), case forte c5, avant-poste c5(F), Bb7 actif, Be7 actif, paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : arriéré d7.
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...d6 — Rupture
● ...d5 — Rupture
● ...e5 — Rupture
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : arriéré d7.
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...d6 — Rupture
● ...d5 — Rupture
● ...e5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans
Base Masters : Blancs 34.1%, Nulles 49.1%, Noirs 16.8%.
Coups candidats
6…Rd1 (70.4% — Blancs: 35.9% | Nulles: 47.9% | Noirs: 16.2%)
6…Bg5 (7.9% — Blancs: 33.9% | Nulles: 50.8% | Noirs: 15.3%)
6…e4 (7.8% — Blancs: 22.4% | Nulles: 60.3% | Noirs: 17.2%)
6…b3 (7.3% — Blancs: 27.8% | Nulles: 48.1% | Noirs: 24.1%)
6…Bf4 (6.2% — Blancs: 37.0% | Nulles: 47.8% | Noirs: 15.2%)
6…Qf4 (0.1%)
6…Bg5 (7.9% — Blancs: 33.9% | Nulles: 50.8% | Noirs: 15.3%)
6…e4 (7.8% — Blancs: 22.4% | Nulles: 60.3% | Noirs: 17.2%)
6…b3 (7.3% — Blancs: 27.8% | Nulles: 48.1% | Noirs: 24.1%)
6…Bf4 (6.2% — Blancs: 37.0% | Nulles: 47.8% | Noirs: 15.2%)
6…Qf4 (0.1%)
auto
Analyse coup par coup — 10 demi-coups commentés
1.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle d4, d5, e5.
2…Nf6 Contrôle d4, e4, d5.
3.Nc3 Contrôle d4, e4, d5, e5.
3…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
4.g3 Prépare le fianchetto du Fou (Bg2).
4…b6 Prépare le fianchetto du Fou (Bb7).
5.Bg2 Contrôle d4, e4, f4, d5.
5…Bb7 Contrôle d4, e4, d5, f5.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle d4, d5, e5.
2…Nf6 Contrôle d4, e4, d5.
3.Nc3 Contrôle d4, e4, d5, e5.
3…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
4.g3 Prépare le fianchetto du Fou (Bg2).
4…b6 Prépare le fianchetto du Fou (Bb7).
5.Bg2 Contrôle d4, e4, f4, d5.
5…Bb7 Contrôle d4, e4, d5, f5.
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | ● d7 |
| Chaînes | ● f2→g3, h2→g3 | ● a7→b6, d7→e6, f7→e6 |
| Passés | — | — |
| Majorité | ● aile_dame 3v2 | ● centre 2v1 |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● f4 (3v0), ● b5 (2v0), ● e5 (2v0), ● g5 (2v0) | ● c5 (2v1) |
| Cases faibles | ● e4 | — |
| Centre | ● d4 (1v0), ● e5 (2v0) | — |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● d | ● c |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bg2 | ● Bg2 Enfermé (mob. 2) | |
| Bb7 | ● Bb7 Actif (mob. 6) | |
| Be7 | ● Be7 Actif (mob. 4) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 2 (c1, a1) | 2 (b8, a8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Roqué | ● Roqué |
| Droits de roque | — | — |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | semi-ouvert | |
| Ruptures | ● c4-c5, ● e2-e3 | ● …d7-d6, ● …d7-d5, ● …e6-e5 |
| Partie |
|---|
| 10. Tal Mem 2016 – Round 1.2 – Svidler, Peter – 1/2-1/2 – Kramnik, Vladimir – G2 1. c4 e6 2. Nc3 c5 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 d6 10. Bg5 Nc6 |
| 10. Tal Mem 2016 – Round 3.2 – Nepomniachtchi, Ian – 1-0 – Kramnik, Vladimir – G10 1. c4 e6 2. Nc3 c5 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 d6 10. Bg5 Nc6 |
| 20. European Teams 2015 – Round 2.5 – Banikas, Hristos – 1/2-1/2 – Tomashevsky, Evgeny – G90 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 Qc8 10. Bf4 Rd8 |
| 20. European Teams 2015 – Round 6.4 – Meier, Georg – 1/2-1/2 – Sargissian, Gabriel – G264 1. c4 Nf6 2. Nf3 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 d6 10. Bg5 Nc6 |
| 42. Olympiad 2016 – Round 7.14 – Stupak, Kacper – 1/2-1/2 – Bluebaum, Matthias – G472 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Bf4 Nc6 10. Qd2 Na5 |
| Amber Blindfold 2007 – Round 6 – Kramnik, Vladimir – 1-0 – Aronian, Levon – G17 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 d6 10. Bg5 Nbd7 |
| European Club Cup 2015 – Round 5.2 – Nakamura, Hikaru – 1/2-1/2 – Jakovenko, Dmitry – G88 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. d4 cxd4 7. Qxd4 Be7 8. O-O O-O 9. Rd1 d6 10. e4 Nbd7 |
| FIDE World Cup 2019 – Round 1.2 – Martinez Alcantara, Jose Eduardo – 0-1 – Jakovenko, Dmitry – G66 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 d6 10. b3 Nbd7 |
| FIDE World Cup 2025 1974 – Round SF Classical 1 – Wei Yi – 1/2-1/2 – Andrey Esipenko – G652 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 Nc6 10. Qf4 Qb8 |
| GCT Blitz Paris 2021 – Round 18.3 – Radjabov, Teimour – 0-1 – Kramnik, Vladimir – G85 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. b3 d6 10. Ba3 Na6 |
| GCT Rapid Paris 2016 – Round 9.4 – So, Wesley – 1-0 – Fressinet, Laurent – G44 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 Qc8 10. Bf4 Rd8 |
| Hoogovens 1978 – Round 5 – Korchnoi, Viktor – 1/2-1/2 – Andersson, Ulf 1949 – G23 1. c4 e6 2. Nc3 Nf6 3. Nf3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. e4 d6 10. Rd1 a6 |
| Moskou ch-URS 1988 – Round 1 – Karpov, Anatoly – 1-0 – Smirin, Ilia – G63 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. d4 c5 6. O-O cxd4 7. Qxd4 Be7 8. Nc3 O-O 9. Rd1 d6 10. Bg5 Nc6 |
| Sharjah Grand Prix 2017 – Round 1.3 – Nakamura, Hikaru – 1/2-1/2 – Jakovenko, Dmitry – G3 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. d4 cxd4 7. Qxd4 Be7 8. O-O O-O 9. Rd1 d6 10. b3 Nbd7 |
| Tashkent FIDE GP 2014 – Round 8.1 – Aadvika Giri – 1/2-1/2 – Jakovenko, Dmitry – G43 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 d6 10. Bg5 Nc6 |
| World Blitz 2015 – Round 10.29 – Demuth, Adrien – 1/2-1/2 – Ponkratov, Pavel – G613 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 O-O 9. b3 d6 10. Ba3 Na6 |
| World Rapid 2016 – Round 1.12 – Agdestein, Simen – 0-1 – Grischuk, Alexander – G4 1. c4 c5 2. Nc3 Nf6 3. g3 e6 4. Nf3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. e4 d6 10. Rd1 Nbd7 |
| World Rapid 2016 – Round 10.8 – Pantsulaia, Levan – 0-1 – Grischuk, Alexander – G403 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 Qc8 10. e4 d6 |
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- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
10. Tal Mem 2016 – Round 1.2 – Svidler, Peter – 1/2-1/2 – Kramnik, Vladimir – G2
- Lire la suite
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- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
10. Tal Mem 2016 – Round 3.2 – Nepomniachtchi, Ian – 1-0 – Kramnik, Vladimir – G10
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
20. European Teams 2015 – Round 2.5 – Banikas, Hristos – 1/2-1/2 – Tomashevsky, Evgeny – G90
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
20. European Teams 2015 – Round 6.4 – Meier, Georg – 1/2-1/2 – Sargissian, Gabriel – G264
- Lire la suite
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- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
42. Olympiad 2016 – Round 7.14 – Stupak, Kacper – 1/2-1/2 – Bluebaum, Matthias – G472
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
Amber Blindfold 2007 – Round 6 – Kramnik, Vladimir – 1-0 – Aronian, Levon – G17
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
European Club Cup 2015 – Round 5.2 – Nakamura, Hikaru – 1/2-1/2 – Jakovenko, Dmitry – G88
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
FIDE World Cup 2019 – Round 1.2 – Martinez Alcantara, Jose Eduardo – 0-1 – Jakovenko, Dmitry – G66
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
FIDE World Cup 2025 1974 – Round SF Classical 1 – Wei Yi – 1/2-1/2 – Andrey Esipenko – G652
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
GCT Blitz Paris 2021 – Round 18.3 – Radjabov, Teimour – 0-1 – Kramnik, Vladimir – G85
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
GCT Rapid Paris 2016 – Round 9.4 – So, Wesley – 1-0 – Fressinet, Laurent – G44
- Lire la suite
-
- A10-A39 English Opening, A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O - Symmetrical Hedgehog [+0.31], A30s - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6 - Symmetrical Hedgehog [+0.50], SÉRIE A
Hoogovens 1978 – Round 5 – Korchnoi, Viktor – 1/2-1/2 – Andersson, Ulf 1949 – G23
- Lire la suite












