Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | — | — |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● b5 (2v0), ● d5 (2v0) | ● b4 (2v0), ● d4 (2v0) |
| Cases faibles | — | — |
| Centre | ● d5 (2v0), ● e4 (1v0) | ● d4 (2v0), ● e5 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 0) | |
| Bf1 | ● Bf1 Non développé (mob. 0) | |
| Bc8 | ● Bc8 Non développé (mob. 0) | |
| Bf8 | ● Bf8 Non développé (mob. 5) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 5 (● g1, ● c1, ● f1, ● a1, ● h1) | 5 (● g8, ● 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 | ● d2-d4, ● f2-f4 | ● …d7-d5 |
A25a — English: Closed
1.c4 e5 2.Nc3 Nc6 * ○ Trait aux Blancs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. g3 (Préparer le fianchetto — 60 % des parties) ; Nf3 (Développer g1 — 35 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...g6 (Préparer le fianchetto — 46 % des parties) ; ...f5 (Attaque à l'aile roi — 20 % des parties) ; ...Nf6 (Développer g8 — 20 % des parties) ; ...d6 (Libérer Bc8 — 10 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
| Partie |
|---|
| 1920 Gothenburg-B – Round 8 – Carls, Carl – 0-1 – Marchand, Max – G46 1. c4 e5 2. Nc3 Nc6 3. d3 Nf6 4. g3 g6 5. Bg5 h6 6. Bxf6 Qxf6 7. Bg2 Bg7 8. e3 d6 9. Nge2 O-O 10. O-O Kh7 |
| 1946 Bad Harzburg – Round 1 – Mohler – 0-1 – Ahues, Carl – G2 1. c4 e5 2. Nc3 Nc6 3. d3 f5 4. e3 Nf6 5. Qc2 d5 6. cxd5 Nxd5 7. Nf3 Be6 8. a3 Nb6 9. b4 a6 10. Bb2 Be7 |
| 1952 Havana – Round 2 – Lasker, Edward – 0-1 – Evans, Larry M – G43 1. c4 e5 2. Nc3 Nc6 3. e4 Bc5 4. d3 d6 5. Be3 Nge7 6. Be2 O-O 7. Nf3 Nd4 8. a3 a5 9. Bxd4 exd4 10. Na4 Ng6 |
| 1953 Zagreb – Round 17 – Puc, Stojan – 0-1 – Rabar, Braslav – G127 1. c4 e5 2. Nc3 Nc6 3. d3 Nf6 4. e4 Bc5 5. Be3 d6 6. h3 Be6 7. g3 Nd7 8. Bg2 h5 9. Nf3 Qe7 10. Nd5 Bxd5 |
| 1957 Marshall CC Ch 5657 – Round 9 – Lasker, Edward – 1/2-1/2 – Bernstein, Sidney – G10 1. c4 Nc6 2. Nc3 e5 3. e4 Nf6 4. f4 d6 5. d3 g6 6. Be2 Bg7 7. Be3 Ng4 8. Bxg4 Qh4+ 9. g3 Qxg4 10. Qxg4 Bxg4 |
| 1964 FRG Ch qual 9th – Round 6 – Ditt, Egon – 0-1 – Troeger, Paul – G18 1. c4 e5 2. Nc3 Nc6 3. e4 Bc5 4. d3 d6 5. Be3 Nge7 6. Qd2 f5 7. O-O-O f4 8. Bxc5 dxc5 9. g3 O-O 10. gxf4 Rxf4 |







Karpov, Anatoly — 10 parties
Carlsen, Magnus — 8 parties
Anand, Viswanathan — 7 parties
Gukesh D — 7 parties
Botvinnik, Mikhail — 6 parties
Smyslov, Vladimir — 4 parties
Tal, Mikhail — 4 parties
Kramnik, Vladimir — 4 parties
Ju, Wenjun — 3 parties
Fischer, Robert James — 1 partie
1950 — Piskov, Kamen Penev vs Bobotsov, Milko G — 0-1 — Sofia BUL
1950 — Golombek, Harry vs Steiner, Herman — 1/2-1/2 — Venice ITA
1950 — Pirc, Vasja vs Tartakower, Savielly — 0-1 — Amsterdam NED
1950 — Herseth, Storm vs Vestol, Aage — 0-1 — Reykjavik ISL
1950 — Castillo Bermudez, Manuel vs Steiner, Herman — 1/2-1/2 — Venice ITA
1950 — Milev, Zdravko vs Naidenov, Nikola — 1-0 — Sofia BUL
1951 — Bisguier, Arthur B vs Horowitz, Albert Israel — 1/2-1/2 — New York, NY USA
1951 — Akash Langer vs Nikolac, Juraj — 1-0 — Sarajevo BIH
1958 — Bak, Istvan vs Borloy, Karoly — 1-0 — Budapest HUN
1966 — Tenorio, Arnoldo vs Gheorghiu, Florin — 0-1 — La Habana olm prel
1966 — Larsen, Ingrid vs Vreeken, Corry — 1/2-1/2 — Oberhausen
1967 — Kushnir, Alla vs Ranniku, Maaja — 1/2-1/2 — Moscow RUS
1954 — Kelly, Terry vs Paoli, Enrico — 0-1 — Amsterdam olm
1955 — Weinberger, Tibor vs Somogyi, Istvan — 1/2-1/2 — Budapest HUN
1966 — Bonifacio, Marino vs Padoan, Antonio — 1/2-1/2 — Venice ITA
1969 — Neese, Hans-Joachim vs Soelter, Reinhold — 0-1 — Solingen GER