Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v1), ● g5 (2v0)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	● d5 (2v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	—	● …e6-e5

E07a — Catalan: Closed, 6…Nbd7

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Qc2 (Dame très active (15 cases) — 57 % des parties) ; b3 (Préparer le fianchetto — 13 % des parties) ; Nbd2 (Développer b1 — 13 % des parties) ; Nc3 (Développer b1 — 10 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...c6 (Renforcer le centre — 62 % des parties) ; ...b6 (Préparer le fianchetto — 17 % des parties) ; ...c5 (Frapper le centre adverse — 8 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1922 Bad Oeynhausen – Round 8 – Carls, Carl – 1/2-1/2 – Antze, Oskar – G18 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 Be7 5. Nf3 O-O 6. O-O Nbd7 7. cxd5 exd5 8. Nc3 c6 9. Qc2 Re8 10. Bg5 Ne4
1938 Hastings3839 – Round 6 – Golombek, Harry – 1-0 – Tylor, Theodore Henry – G25 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qb3 b6 8. cxd5 Nxd5 9. e4 N5f6 10. Nc3 Bb7
1946 Stockholm SWE – Round ? – Hult, Gunnar – 0-1 – Lundin, Erik – G4 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. Ne5 c6 8. Nxd7 Bxd7 9. Nd2 b5 10. c5 e5
1947 Leningrad ch-URS – Round 10 – Kasparian, Genrikh – 1-0 – Aronin, Lev – G104 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. cxd5 exd5 8. Nc3 c6 9. Qc2 Bd6 10. Bf4 Qe7
1952 Moskou ch-URS – Round 1 – Korchnoi, Viktor – 1-0 – Kan, Ilya A – G6 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 Nbd7 7. Qb3 c6 8. Bf4 b6 9. cxd5 exd5 10. Nc3 Bb7
1953 Venice Venice ITA – Round ? – Szabados, Eugenio – 0-1 – Castaldi, Vincenzo – G7 1. d4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. c4 O-O 6. O-O Nbd7 7. cxd5 exd5 8. Nc3 c6 9. Qc2 Re8 10. Bf4 Nf8
1954 URS Team Ch – Round 9 – Lisitsin, Georgy – 1/2-1/2 – Kan, Ilya A – G172 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. cxd5 exd5 8. Nc3 c6 9. Qc2 Re8 10. Rb1 a5
1957 Manhattan CC Ch 5657 fin – Round 4 – Kramer, George – 1/2-1/2 – Bisguier, Arthur B – G11 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Ne5 Nxe5 8. dxe5 Nd7 9. cxd5 Nxe5 10. dxe6 fxe6
1957 Sofia zt – Round 1 – Szilagyi, Gyorgy Laszlo – 0-1 – Sliwa, Bogdan – G16 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. cxd5 exd5 8. Nc3 c6 9. Qc2 Ne8 10. Bf4 Nd6
1962 Argentina – Round 10 – Garcia Rodriguez, Raimundo – 1-0 – Bazan, Osvaldo – G50 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. cxd5 exd5 8. Nc3 c6 9. Bf4 Re8 10. Rc1 Nf8
1966 New York ch-USA – Round 8 – Byrne, David – 0-1 – Bisguier, Arthur B – G38 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. Bg2 Be7 5. d4 O-O 6. O-O Nbd7 7. cxd5 exd5 8. Nc3 c6 9. Qc2 Re8 10. a3 a5
1969 Stary Smokovec – Round 5.3 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Novak, Ivan – G20 1. g3 d5 2. Bg2 Nf6 3. c4 e6 4. Nf3 Be7 5. d4 O-O 6. O-O Nbd7 7. cxd5 exd5 8. Nc3 Re8 9. Qb3 c6 10. Bf4 Nh5

E07a — Closed (1922)

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7

Les coups candidats

7.Qc2 — 64.4% (4566 parties) →

Ambassadeurs : Sosonko, Gennadi (17x), Bakheet Farag (13x), Smejkal, Jan (12x), Portisch, Lajos (10x), Belchev, Branimir Petrov (10x), Smyslov, Vasily (9x), Polugaevsky, Lev (9x), Spassky, Boris Vasily (9x)

7.Nc3 — 10.9% (770 parties) →

Ambassadeurs : Chetverik, Maxim (8x), Larsen, Bent (3x), Miguel, Nahuel (3x), Sunye Neto, Jaime (3x), Neckar, Lubomir (3x), Hudecek, Jan (3x), Schoeneberg, Manfred (2x), Larsen, Bent Ravn (2x)

7.b3 — 10.2% (720 parties) →

Ambassadeurs : Amigo Roman, Pedro (6x), Bisguier, Arthur B (5x), Sliwa, Bogdan (4x), Forintos, Gyozo V (2x), Pogats, Jozsef Jr. (2x), Donner, Jan-Hein (2x), Ujtelky, Maximilián Samuel Rudolf (2x), Prameshuber, Alexander (2x)

7.Nbd2 — 8.1% (574 parties) →

Ambassadeurs : Horvath, Julia (3x), Lindenmair, Anton (3x), Troianescu, Octav (2x), Polugaevsky, Lev (2x), Keres, Paul (2x), Bisguier, Arthur B (2x), Saacke, Bernd (2x), Naranja, Renato (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Qc2	7.Nc3	7.b3	7.Nbd2
<1800	486	58%	14%	9%	10%
1800-2200	2932	61%	12%	11%	9%
2200-2600	2681	71%	9%	8%	6%
2600+	64	84%	—	8%	2%

Évolution par décennie (% des parties)

Décennie	N parties	7.Qc2	7.Nc3	7.b3	7.Nbd2
1950s	85	36%	13%	18%	20%
1960s	146	53%	9%	14%	16%
1970s	338	63%	11%	13%	9%
1980s	456	64%	9%	11%	8%
1990s	1130	61%	12%	14%	8%
2000s	1500	63%	11%	11%	8%
2010s	2470	67%	11%	8%	8%
2020s	968	70%	11%	6%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Qc2	67%	70%	▲ +3.1%
7.Nc3	11%	11%	-0.0%
7.b3	8%	6%	▼ -1.8%
7.Nbd2	8%	7%	▼ -1.2%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 4 parties
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Carlsen, Magnus — 2 parties
Gukesh D — 1 partie

Parties historiques

7.Qc2 — 64.4% (4566 parties)

1950 — Szabo, Laszlo vs GIDEON SUNDAY — 1/2-1/2 — Budapest HUN
1950 — Flohr, Salo vs Stahlberg, Gideon — 1/2-1/2 — Budapest HUN
1950 — Monostori, Lajos vs Balogh, Janos — 1-0 — Budapest HUN
1950 — Simagin, Vladimir vs Szabo, Laszlo — 0-1 — Szcawno Zdroj
1950 — Golombek, Harry vs Eugenio, Sarah De Oliveira — 1/2-1/2 — Amsterdam NED

7.Nc3 — 10.9% (770 parties)

1950 — Udovcic, Mijo vs Krulc, Ivan — 1-0 — Maribor
1950 — Elstner, Rudolf vs Platz, Hans — 1-0 — Soemmerda GER
1950 — Miguel, Nahuel vs Foltys, Jan — 1-0 — Amsterdam NED
1950 — Miguel, Nahuel vs Foltys, Jan — 1-0 — Amsterdam NED
1951 — O'Kelly de Galway, Alberic vs Stoltz, Gosta — 1/2-1/2 — It Dortmund GER

7.b3 — 10.2% (720 parties)

1951 — Fuderer, Andrija vs Germek, Milan — 1/2-1/2 — Sarajevo BIH
1951 — Amaro, Lucas Ibrair vs Dodero, Emilio — 1-0 — Buenos Aires ARG
1952 — Lilloni Luciano vs Ferrantes, Giovanni — 1-0 — Ferrara ITA
1952 — Sowinski, Jerzy vs Sliwa, Bogdan — 0-1 — Katowice POL
1953 — Szilagyi, Gyorgy Laszlo vs Berger, Bela — 1/2-1/2 — Budapest ch-HUN

7.Nbd2 — 8.1% (574 parties)

1950 — Keres, Paul vs Miguel, Nahuel — 1/2-1/2 — Budapest HUN
1950 — Keres, Paul Petrovich vs Miguel, Nahuel — 1/2-1/2 — Wch candidates
1951 — Brandenberg, Karl Heinz vs Hoenlinger, Baldur — 1-0 — Krefeld GER
1951 — Heinicke, Herbert vs Staudte, Hans-Hilmar — 1-0 — Augsburg GER
1951 — Keres, Paul vs Novotelnov, Nikolai — 1-0 — Moskou ch-URS