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
bR
bB
bQ
bK
bB
bN
bR
bP
bP
bP
bP
bP
bP
bP
bN
Case forte (2v0)
Case forte (2v0)
bP
wP
wN
wP
wP
wP
wP
wP
wP
wP
wR
wB
wQ
wK
wB
wN
wR
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
wR
wN
wB
wK
wQ
wB
wR
wP
wP
wP
wP
wP
wP
wP
wN
Case forte (2v0)
wP
Case forte (2v0)
bP
bN
bP
bP
bP
bP
bP
bP
bP
bR
bN
bBFou actif — mobilité 5
bK
bQ
bB
bR
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

A25a — King's English Variation, Reversed Closed Sicilian (1920)
1.c4 e5 2.Nc3 Nc6
Les coups candidats
Ambassadeurs : Pribyl, Josef (60x), Hort, Vlastimil (47x), Cvetkovic, Srdjan (45x), ? (32x), Taimanov, Mark (28x), Browne, Walter Shawn (25x), Jussupow, Artur (24x), Moody, David W (21x)
Ambassadeurs : Uhlmann, Wolfgang (48x), Beck, Georges (30x), Banas, Jan (27x), ? (26x), Cafferty, Bernard (19x), Nikolic, Predrag (19x), Portych, Václav (18x), Poldauf, Dirk (17x)
Ambassadeurs : Suba, Mihai (15x), Korchnoi, Viktor (11x), Miles, Anthony J (7x), Badea, Bela (7x), Adamski, Jan (6x), Babos, Laszlo (5x), Kurajica, Bojan (4x), Liberzon, Vladimir M (3x)
3.d3 — 1.5% (501 parties)
Ambassadeurs : Eielts, Charley (3x), Humbert, Patrick (3x), von Rosenberg, Clemens (3x), Apostolov, Teodor (3x), Brodie, Hugh (2x), Masculo, Jose (2x), Muklewicz, Ryszard (2x), Neuberger, Attila (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.g3 3.Nf3 3.e3 3.d3
<1800 2511 58% 31% 5% 3%
1800-2200 13502 62% 31% 3% 2%
2200-2600 10336 58% 37% 5% 0%
2600+ 331 47% 49% 4% 0%
Évolution par décennie (% des parties)
Décennie N parties 3.g3 3.Nf3 3.e3 3.d3
1950s 203 65% 32% 1% 1%
1960s 549 71% 26% 2% 0%
1970s 1088 59% 35% 4% 1%
1980s 2038 60% 34% 5% 1%
1990s 6705 58% 36% 3% 1%
2000s 9452 61% 32% 3% 2%
2010s 10159 60% 32% 5% 1%
2020s 2834 52% 39% 6% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.g3 60% 52% ▼ -8.2%
3.Nf3 32% 39% ▲ +7.0%
3.e3 5% 6% ▲ +1.1%
3.d3 1% 1% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
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
Parties historiques
3.g3 — 59.2% (19552 parties)
1950 — Filip, Miroslav vs Maltsev Aleksandre — 1-0 — CSR-BUL Prague CZE
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
3.Nf3 — 33.6% (11101 parties)
1950 — Haefner Esmie vs Babel August — 1/2-1/2 — ?
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
3.e3 — 3.9% (1298 parties)
1955 — Donner, Jan-Hein vs Pachman, Ludek — 0-1 — Rotterdam NED
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
3.d3 — 1.5% (501 parties)
1953 — Puc, Stojan vs Rabar, Braslav — 0-1 — Zagreb CRO
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