E06c — Catalan: Closed, 5.Nf3 O-O

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

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. O-O (Mettre le roi en sécurité, connecter les tours — 86 % des parties) ; Qc2 (Prépare O-O-O — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...dxc4 (Capture en c4, Frapper le centre adverse — 54 % des parties) ; ...c6 (Renforcer le centre — 16 % des parties) ; ...Nbd7 (Développer b8 — 12 % des parties) ; ...b6 (Préparer le fianchetto — 8 % des parties) ; ...c5 (Frapper le centre adverse — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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 (2v0), ● g5 (2v0)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (3v1), ● 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. 1)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

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

├── E06e - 6.O-O - Closed (1937) [+0.21] · 322 parties (dont 33 ici)

│ ├── E06g - 6…c6 - Closed (1951) [+0.27] · 255 parties (dont 3 ici)

│ │ ├── E06i - 7.Nc3 - Closed (1961) [+0.12] · 176 parties (dont 10 ici)

│ │ │ └── E06m - 7…b6 - Closed (1947) [+0.32] · 166 parties (dont 13 ici)

│ │ │ ├── E06 - 8.Ne5 - Closed [+0.28] · 144 parties

│ │ │ └── E06o - 8.Ne5 - Closed (1945) [+0.27] · 9 parties

│ │ ├── E06l - 7.Nbd2 - Closed (1937) [+0.21] · 30 parties

│ │ ├── E06j - 7.Qc2 - Closed (1938) [+0.27] · 26 parties (dont 5 ici)

│ │ │ └── E06n - 7…b6 - Closed (1937) [+0.36] · 21 parties

│ │ └── E06h - 7.b3 - Closed (1951) [+0.29] · 20 parties

│ └── E06f - 6…c5 - Closed (1938) [+0.44] · 34 parties (dont 7 ici)

│ └── E06k - 7.cxd5 - Closed (1931) [+0.29] · 27 parties

└── E06d - 6.Qc2 - Closed (1942) [+0.11] · 58 parties

E06c — Closed (1938)

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

Les coups candidats

6.O-O — 85.8% (35373 parties) →

Ambassadeurs : Gleizerov, Evgeny (58x), Sosonko, Gennadi (57x), Karpov, Anatoly (57x), Ftacnik, Lubomir (50x), ? (42x), Wosch, Arkadiusz (42x), Andersson, Ulf (40x), Inkiov, Ventzislav (39x)

6.Qc2 — 7.3% (3016 parties) →

Ambassadeurs : Wojtkiewicz, Aleksander (23x), Adamski, Jan (23x), Romanishin, Oleg M (17x), Mikhalevski, Victor (16x), Horvath, Csaba (16x), Hausrath, Daniel (16x), Szekely, Peter (13x), Tukmakov, Vladimir B (13x)

6.Nc3 — 4.6% (1909 parties)

Ambassadeurs : Matnadze Bujiashvili, Ann (34x), Fridman, Daniel (14x), Theodorou, Nikolas (14x), Gaehwiler, Gabriel (12x), Horvath, Jozsef (9x), Banusz, Tamas (8x), Alonso Rosell, Alvar (7x), Livaic, Leon (7x)

6.Nbd2 — 1.1% (441 parties)

Ambassadeurs : Ghaem Maghami, Ehsan (6x), Petursson, Margeir (5x), Korchnoi, Viktor (4x), Jablonicky, Frantisek (4x), Kimelman, Gabriel (3x), Ottati Sanchez, Alberto Andrey (2x), Bouwmeester, Hans (2x), Schussler, Harry (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.O-O	6.Qc2	6.Nc3	6.Nbd2
<1800	1910	87%	6%	3%	2%
1800-2200	15225	89%	6%	3%	1%
2200-2600	19974	84%	9%	6%	1%
2600+	1619	80%	7%	10%	1%

Évolution par décennie (% des parties)

Décennie	N parties	6.O-O	6.Qc2	6.Nc3	6.Nbd2
1950s	117	82%	5%	3%	7%
1960s	141	86%	7%	2%	5%
1970s	474	92%	3%	1%	2%
1980s	1858	86%	10%	2%	2%
1990s	3852	87%	7%	4%	1%
2000s	7170	86%	9%	2%	1%
2010s	16772	88%	7%	3%	1%
2020s	10842	82%	6%	10%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.O-O	88%	82%	▼ -6.4%
6.Qc2	7%	6%	▼ -0.7%
6.Nc3	3%	10%	▲ +7.1%
6.Nbd2	1%	1%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Botvinnik, Mikhail — 2 parties
Karpov, Aleksandr — 1 partie

Parties historiques

6.O-O — 85.8% (35373 parties)

1950 — Szabo, Laszlo vs GIDEON SUNDAY — 1/2-1/2 — Budapest HUN
1950 — Glasberg, Norbert vs Agon, Hubert — 1-0 — Toronto CAN
1950 — Eugenio, Sarah De Oliveira vs Donner, Jan-Hein — 0-1 — Venice ITA
1950 — Lilienthal, Andor vs Stahlberg, Gideon — 1/2-1/2 — Budapest HUN
1950 — Novotelnov, Nikolai vs Kholmov, Ratmir D — 0-1 — URS-ch sf Tartu

6.Qc2 — 7.3% (3016 parties)

1950 — Maderna, Carlos vs Guimard, Carlos E — 0-1 — Mar del Plata ARG
1950 — Shainswit, George vs Trifunovic, Petar — 0-1 — Dubrovnik olm
1952 — Faleg, Alberto vs Burgalat, Francisco J — 0-1 — Buenos Aires ARG
1953 — Steiner, Lajos vs Reintals, Karlis — 1-0 — Hobart
1954 — Benkner, Otto vs Vesterinen, Jorma — 1/2-1/2 — Amsterdam NED

6.Nc3 — 4.6% (1909 parties)

1951 — Stonkus, Jonas vs Zalys, Ignas — 0-1 — Montreal CAN
1956 — Streater, Raymond Frederick vs Bertholdt, Dieter — 1-0 — Uppsala
1959 — Alvarez Leon, Luis vs Faleg, Alberto — 1/2-1/2 — ?
1966 — Quesada, Americo vs Medina-Garcia, Antonio — 0-1 — Lanjaron
1967 — Novo Duron, Jose Felipe vs Gasloli, Luis Enrique — 0-1 — Buenos Aires ARG

6.Nbd2 — 1.1% (441 parties)

1950 — Porrecca, Giorgio vs Zapata Vinces, Mario — 1-0 — Dubrovnik CRO
1952 — Benkner, Otto vs Poulsen, Christian — 1-0 — Helsinki olm
1952 — Reinhardt, Enrique vs Michel, Clement Paul — 0-1 — Mar del Plata ARG
1953 — Bouwmeester, Hans vs O'Kelly, Albéric de Galway — 0-1 — Beverwijk NED
1954 — Bouwmeester, Hans vs Klaeger, Lutz — 1/2-1/2 — Hoogovens Beverwijk NED