E04o — Catalan: Open, 5.Nf3 c5 6.O-O Nc6 7.Qa4
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 c5 6.O-O Nc6 7.Qa4 * ● Trait aux Noirs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. Qxc4 (Centraliser la dame — 67 % des parties) ; dxc5 (Capture en c5, Frapper le centre adverse — 17 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...Bd7 (Développer c8 — 78 % des parties) ; ...cxd4 (Capture en d4, Occuper le centre — 14 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | ● c4, ● c5 |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● f2→g3, h2→g3 | ● f7→e6 |
| Passés | — | — |
| Majorité | — | ● aile dame 4v2 |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● f4 (2v0), ● e5 (2v1), ● g5 (2v0) | ● b4 (2v1), ● d5 (3v0) |
| Cases faibles | ● d4 | — |
| Centre | ● e5 (2v1) | ● d4 (3v1), ● d5 (3v0), ● e4 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● c | ● d |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bg2 | ● Bg2 Ok (mob. 2) | |
| Bc8 | ● Bc8 Non développé (mob. 1) | |
| Bf8 | ● Bf8 Non développé (mob. 2) | |
| Paire de fous | ● Oui | ● Oui |
| Clouages | — | ● knight c6 |
| Non développées | 3 (● b1, ● c1, ● a1) | 4 (● c8, ● f8, ● a8, ● h8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Roqué | ● Au centre |
| Droits de roque | — | O-O / O-O-O |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | mobile | |
| Ruptures | ● d4-d5 | ● …c4-c3, ● …e6-e5 |
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 2 parties
Ding, Liren — 2 parties
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
1950 — Spiller, Arthur R vs Quillen, Paul — 0-1 — Los Angeles, CA USA
1950 — Bobekov, Radko vs Bobotsov, Milko G — 1-0 — Sofia BUL
1950 — Golombek, Harry vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Hastings ENG
1950 — Primavera, Roberto vs Letelier, Rene — 0-1 — Venice ITA
1953 — Weiss, Martin vs Shocron, Ruben — 1-0 — Bariloche
1957 — Wachs, Otto Rauber vs Levy, Louis — 1-0 — New York, NY USA
1965 — Pomar Salamanca, Arturo vs Palacios de la Prida, Ernesto — 1-0 — Malaga ESP
1968 — Toran Albero, Roman vs Myagmarsuren, Lkhamsuren — 1-0 — Lugano olm
1977 — Kopec, Danny vs Vaglio Munoz, Jaime — 1-0 — Mexico City MEX
1981 — Onjin, Branko vs Julio Osmin Pena Martinez — 0-1 — JUG-Cup corr
1984 — Kekki, Petri vs Alothman, Abdul Wahab — 1-0 — Kiljava
1984 — Heim, Sverre vs Mirza Azaruddin Sanaullah — 1-0 — Thessaloniki olm
1955 — Eising, Johannes vs Schindler, Leo — 1-0 — Zwickau
1958 — Pelikán, Jiří vs Palermo, Vicente — 1-0 — Buenos Aires ARG
1964 — Khenkin, A. vs Lepeshkin, Vladimir — 1-0 — Moscow RUS
1972 — Mazzoni, Guy vs Preissmann, Emmanuel — 0-1 — Rosny sous Bois