Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, h2→g3, d3→e4, g3→f4	● d6→c5, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v0)	● b4 (2v0), ● d4 (3v0)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (3v0)	● d4 (3v0), ● e5 (3v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bg2	● Bg2 Ok (mob. 3)
Bg7		● Bg7 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● g1, ● c1, ● a1, ● h1)	4 (● g8, ● c8, ● 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	● d3-d4, ● e4-e5, ● f4-f5	● …c5-c4, ● …d6-d5, ● …e7-e5, ● …f7-f5

B25e — Sicilian: Closed, 6.f4

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (Développer g1 — 82 % des parties) ; Nh3 (Développer g1 — 11 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...e6 (Poussée — 62 % des parties) ; ...e5 (Occuper le centre — 16 % des parties) ; ...Nf6 (Développer g8 — 9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

├── B25l - 6…e6 - Closed (1960) [-0.36] · 112 parties

│ ├── B25m - 7.Nf3 - Closed [-0.34] · 106 parties

│ │ └── B25n - 7…Nge7 - Closed (1964) [-0.36] · 106 parties

│ │ ├── B25o - 8.O-O - Closed (1950) [-0.34] · 103 parties

│ │ │ ├── B25p - 8…O-O - Closed (1935) [-0.41] · 90 parties

│ │ │ │ ├── B25q - 9.Be3 - Closed (1962) [-0.39] · 50 parties

│ │ │ │ │ ├── B25t - 9…Nd4 - Closed (1963) [-0.31] · 42 parties

│ │ │ │ │ │ ├── B25v - 10.Qd2 - Closed (1953) [-0.22] · 19 parties

│ │ │ │ │ │ ├── B25t - 10.* - Closed · 16 parties

│ │ │ │ │ │ ├── B25u - 10.Rb1 - Closed (1956) [-0.42] · 6 parties

│ │ │ │ │ │ └── B25w - 10.e5 - Closed [-0.39] · 1 partie

│ │ │ │ │ │ └── B25x - 10…Nef5 - Closed (1961) [-0.35] · 1 partie

│ │ │ │ │ ├── B25r - 9…Rb8 - Closed (1951) [-0.34] · 4 parties

│ │ │ │ │ ├── B25s - 9…b6 - Closed (1968) [-0.17] · 3 parties

│ │ │ │ │ └── B25q - 9…* - Closed · 1 partie

│ │ │ │ └── B25p - 9.* - Closed · 40 parties

│ │ │ └── B25o - 8…* - Closed · 13 parties

│ │ └── B25n - 8.* - Closed · 3 parties

│ └── B25l - 7.* - Closed · 6 parties

├── B25i - 6…e5 - Closed, Botvinnik Defense, with f4 (1955) [+0.15] · 34 parties

│ ├── B25j - 7.Nf3 - Closed (1961) [+0.08] · 22 parties

│ │ ├── B25j - 7…Nge7 - Closed (1967) [+0.08] · 21 parties

│ │ │ ├── B25k - 8.O-O - Closed (1962) [+0.08] · 18 parties

│ │ │ └── B25j - 8.* - Closed · 3 parties

│ │ └── B25j - 7…* - Closed · 1 partie

│ └── B25i - 7.* - Closed, Botvinnik Defense, with f4 · 12 parties

├── B25g - 6…Nf6 - Closed (1960) [-0.14] · 31 parties

│ ├── B25h - 7.Nf3 - Closed (1956) [-0.21] · 28 parties

│ └── B25g - 7.* - Closed · 3 parties

├── B25e - 6…* - Closed · 21 parties

└── B25f - 6…Rb8 - Closed (1949) [-0.20] · 12 parties

Les parties, variante par variante

1112 partiesB25l - 6…e6 - Closed (1960)

234 partiesB25i - 6…e5 - Closed, Botvinnik Defense, with f4 (1955)

331 partiesB25g - 6…Nf6 - Closed (1960)

412 partiesB25f - 6…Rb8 - Closed (1949)

B25e — Closed (1953)

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4

Les coups candidats

6…e6 — 65.1% (8730 parties) →

Ambassadeurs : Starostits, Ilmars (83x), Rogulj, Branko (49x), Detela, Walter (32x), Bastian, Herbert (29x), Larino Nieto, David (28x), Barkwell, Michael C (23x), Blodig, Reinhard (23x), ? (23x)

6…Nf6 — 12.6% (1693 parties) →

Ambassadeurs : Detela, Walter (14x), Valner, Uku (6x), Starostits, Ilmars (5x), Karaoglan, Doruk (5x), Spassky, Boris V. (4x), Bonugli, Carlo (4x), Barzen, Pascal (4x), Geller, Efim P. (3x)

6…e5 — 10.5% (1406 parties) →

Ambassadeurs : Hlavac, Rudolf (15x), Bastian, Herbert (14x), Gheorghiu, Florin (10x), Starostits, Ilmars (10x), Bohak, Janko (10x), Donev, Ivo (9x), Roos, Daniel (6x), Schuh, Hubert (6x)

6…Rb8 — 5.0% (669 parties) →

Ambassadeurs : Valet, Richard (9x), Donev, Ivo (6x), Dvoirys, Semen I. (4x), Luecke, Norbert (3x), Turner, Matthew J (3x), Palchun, Grigory (3x), Ieong, Seak Hin (3x), Goeke, Bernd (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…e6	6…Nf6	6…e5	6…Rb8
<1800	739	61%	18%	8%	5%
1800-2200	6071	66%	14%	9%	5%
2200-2600	4485	65%	10%	12%	6%
2600+	27	67%	15%	11%	4%

Évolution par décennie (% des parties)

Décennie	N parties	6…e6	6…Nf6	6…e5	6…Rb8
1950s	33	45%	21%	3%	3%
1960s	251	51%	17%	17%	4%
1970s	506	54%	8%	20%	5%
1980s	957	69%	6%	13%	4%
1990s	3291	69%	8%	11%	5%
2000s	4594	66%	13%	10%	5%
2010s	3108	61%	19%	8%	5%
2020s	669	67%	14%	7%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…e6	61%	67%	▲ +5.2%
6…Nf6	19%	14%	▼ -5.2%
6…e5	8%	7%	▼ -0.8%
6…Rb8	5%	7%	▲ +2.4%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 6 parties
Kramnik, Vladimir — 2 parties
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

6…e6 — 65.1% (8730 parties)

1950 — Henneberger, Walter vs Leepin, Peter — 0-1 — Lucerne SUI
1951 — Neikirkh, Oleg vs Ciejka, Tadeusz — 0-1 — Sopot
1953 — Fuderer, Andrija vs Udovcic, Mijo — 1-0 — Zagreb CRO
1954 — Seidman, Herbert vs Burger, PJ — 1-0 — New York ch-USA
1955 — Domanski, Jerzy vs Gniot, Tadeusz — 1-0 — Poland ch13

6…Nf6 — 12.6% (1693 parties)

1952 — Karastoichev, Emil vs Filipov, Filip — 1/2-1/2 — Sofia BUL
1953 — Taylor, John vs Berner, George — 0-1 — Winnipeg CAN
1955 — Pinkus, Lutz vs Bisguier, Arthur B — 0-1 — New York, NY USA
1955 — Borsony, Valt vs Milic, Borislav — 1-0 — cr.
1958 — Redolfi, Argentino Rodolfo vs Beni, Alfred — 1/2-1/2 — Munich GER

6…e5 — 10.5% (1406 parties)

1955 — Matthai, Heinz vs Jursevskis, Miervaldis — 1/2-1/2 — Ottawa CAN
1961 — Rinder, Elfriede vs Borisenko-Belova, Valentina — 0-1 — Vrnjacka Banja SRB
1961 — Milev, Zdravko vs Prakhov, Valentin Asenov — 1/2-1/2 — Sofia BUL
1961 — Urseanu, Veniamin vs Radovici, Corvin — 0-1 — Romania
1962 — Ignatiev, Felix N vs Vasiukov, Evgeni — 1/2-1/2 — Moscow RUS

6…Rb8 — 5.0% (669 parties)

1955 — Ivan, Imrich vs Dolezal, Jiri — 1/2-1/2 — Prague CZE
1960 — Andersen, Borge vs Larsen, Bent Ravn — 1-0 — Copenhagen DEN
1961 — Haagen Hansen, Jens vs Aaltio, Erkki — 1/2-1/2 — Helsinki FIN
1963 — Zichichi, Alvise vs Forintos, Gyozo V — 0-1 — Torneo di Capodanno
1965 — Matthai, Heinz vs Saacke, Bernd — 1/2-1/2 — Kiel GER

B25e - 6…* - Closed (21)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes● c2→d3, h2→g3, d3→e4, g3→f4● d6→c5, e7→d6, f7→g6, h7→g6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes● d5 (2v0)● b4 (2v0), ● d4 (3v0)Cases faibles——Centre● d5 (2v0), ● e4 (3v0)● d4 (3v0), ● e5 (3v1) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 2)Bg2● Bg2 Ok (mob. 3)Bg7● Bg7 Actif (mob. 6)Bc8● Bc8 Non développé (mob. 5)Paire de fous● Oui● OuiNon développées4 (● g1, ● c1, ● a1, ● h1)4 (● g8, ● c8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au…
B25f - 6…Rb8 - Closed (1949) (12)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes● c2→d3, h2→g3, d3→e4, g3→f4● d6→c5, e7→d6, f7→g6, h7→g6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes● d5 (2v0)● b4 (2v0), ● d4 (3v0)Cases faibles——Centre● d5 (2v0), ● e4 (3v0)● d4 (3v0), ● e5 (3v1) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 2)Bg2● Bg2 Ok (mob. 3)Bg7● Bg7 Actif (mob. 6)Bc8● Bc8 Non développé (mob. 5)Paire de fous● Oui● OuiNon développées4 (● g1, ● c1, ● a1, ● h1)3 (● g8, ● c8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de…

B25e - 6…* - Closed (21)

B25f - 6…Rb8 - Closed (1949) (12)