Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | ● c4, ● c7 |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● f2→e3, e3→d4 | ● f7→e6 |
| Passés | — | — |
| Majorité | — | ● aile dame 4v2 |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● e5 (2v0) | ● d5 (3v0) |
| Cases faibles | — | — |
| Centre | ● d4 (3v1), ● e5 (2v0) | ● d5 (3v0), ● e4 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● c | ● d |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 1) | |
| Bf1 | ● Bf1 Non développé (mob. 3) | |
| Bc8 | ● Bc8 Non développé (mob. 1) | |
| Bf8 | ● Bf8 Non développé (mob. 5) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 5 (● b1, ● c1, ● f1, ● a1, ● h1) | 5 (● b8, ● c8, ● f8, ● a8, ● h8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Au centre | ● Au centre |
| Droits de roque | O-O / O-O-O | O-O / O-O-O |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | mobile | |
| Ruptures | ● d4-d5 | ● …c4-c3, ● …c7-c5, ● …e6-e5 |
D26 — QGA
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 ○ Trait aux Blancs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. Nc3 (Développer Nb1) ; Bd2 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; d5 (Occuper le centre) ; e4 (Occuper le centre).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...Nbd7 (Développer Nb8) ; ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...Be7 (Développer Bf8) ; ...c3 (Renforcer le centre) ; ...c5 (Frapper le centre adverse).
Avantages
Faiblesses
Diagonale active
Plans
└── D26b - 5.Bxc4 - QGA (1902) [+0.19] · 281 parties
├── D26f - 5…c5 - Queen's Gambit Accepted: Classical Defense (1900) [+0.31] · 233 parties
│ ├── D26p - 6.O-O - Classical Defense, Normal Line (1903) [+0.29] · 121 parties
│ │ ├── D26r - 6…Nc6 - Classical Defense, Steinitz Variation, Development Variation (1904) [+0.33] · 78 parties
│ │ │ └── D26r - 7.* - Classical Defense, Steinitz Variation, Development Variation · 11 parties
│ │ ├── D26q - 6…cxd4 - Classical Defense, Steinitz Variation, Exchange Variation (1937) [+0.37] · 26 parties
│ │ └── D26p - 6…* - Classical Defense, Normal Line · 17 parties
│ ├── D26j - 6.Qe2 - Classical, Furman Variation [+0.21] · 60 parties
│ │ ├── D26l - 6…a6 - Classical, Furman (1941) [+0.23] · 51 parties
│ │ │ ├── D26m - 7.dxc5 Bxc5 8.O-O - Classical, Furman (1953) [+0.13] · 40 parties
│ │ │ │ ├── D26m - 8…* - Classical, Furman · 12 parties
│ │ │ └── D26l - 7.* - Classical, Furman · 11 parties
│ ├── D26h - 6.Nc3 - QGA: Classical (1904) [+0.21] · 31 parties
│ │ └── D26h - 6…* - QGA: Classical · 8 parties
│ └── D26f - 6.* - Classical Defense · 2 parties
├── D26c - 5…a6 - QGA (1905) [+0.18] · 42 parties
│ ├── D26d - 6.O-O - QGA (1928) [+0.25] · 30 parties
│ │ ├── D26d - 6…* - QGA · 15 parties
│ └── D26c - 6.* - QGA · 12 parties
└── D26b - 5…* - QGA · 6 parties
Les parties, variante par variante
1281 partiesD26b - 5.Bxc4 - QGA (1902)
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- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D26 - 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 - Queen's Gambit Accepted: Normal Variation, Traditional System, D26p - 6…* - Classical Defense, Normal Line, SÉRIE D
1903 It (Men) Monte Carlo MNC – Round 10 – Rubinstein, Akiba – 1/2-1/2 – Marchand, Max – G44
- Lire la suite
-
- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D26 - 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 - Queen's Gambit Accepted: Normal Variation, Traditional System, D26r - 7.* - Classical Defense, Steinitz Variation, Development Variation, SÉRIE D
1904 BCF Ch 1st – Round 2 – Mackenzie, Arthur J – 1/2-1/2 – Blackburne, Joseph – G5
- Lire la suite
-
- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D26 - 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 - Queen's Gambit Accepted: Normal Variation, Traditional System, D26h - 6…* - QGA: Classical, SÉRIE D
1904 Cambridge Springs – Round 4 – Marshall Viele, Fabrizio Aaron – 1-0 – Mieses, Jacques – G17
- Lire la suite
-
- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D26 - 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 - Queen's Gambit Accepted: Normal Variation, Traditional System, D26p - 6…* - Classical Defense, Normal Line, SÉRIE D
1905 It (Men) Stockholm SWE – Round 21 – Rubinstein, Akiba – 1-0 – Schelfhout, Willem – G75
- Lire la suite












