Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● a6→b5
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 5)
Be7		● Be7 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	3 (● c8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c2-c4, ● d2-d4	● …d7-d5

C86b — Spanish: Worrall Attack, 6…b5 7.Bb3

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. c3 (Renforcer le centre — 68 % des parties) ; a4 (24 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 58 % des parties) ; ...d6 (Libérer Bc8 — 41 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

├── C86e - 7…O-O - Ruy Lopez: Closed, Worrall Attack, Castling Line (1904) [-0.09] · 317 parties

│ ├── C86f - 8.c3 - Spanish: Worrall Attack (1923) [-0.19] · 273 parties

│ │ ├── C86g - 8…d6 - Spanish: Worrall Attack (1928) [+0.14] · 177 parties

│ │ │ ├── C86h - 9.d4 - Spanish: Worrall Attack (1910) [+0.05] · 82 parties

│ │ │ ├── C86g - 9.* - Spanish: Worrall Attack · 66 parties

│ │ │ └── C86i - 9.Rd1 - Spanish: Worrall Attack (1941) [+0.14] · 29 parties

│ │ ├── C86j - 8…d5 - Spanish: Worrall Attack (1947) [-0.17] · 94 parties

│ │ │ ├── C86k - 9.d3 - Spanish: Worrall Attack (1932) [-0.19] · 70 parties

│ │ │ │ ├── C86k - 9…* - Spanish: Worrall Attack · 61 parties

│ │ │ │ └── C86l - 9…Bb7 - Spanish: Worrall Attack (1947) [-0.06] · 9 parties

│ │ │ ├── C86j - 9.exd5 - Spanish: Worrall Attack (1910) [-0.29] · 22 parties

│ │ │ └── C86j - 9.* - Spanish: Worrall Attack · 2 parties

│ │ └── C86f - 8…* - Spanish: Worrall Attack · 2 parties

│ ├── C86e - 8.a4 - Spanish: Worrall Attack (1931) [+0.00] · 32 parties

│ └── C86e - 8.* - Closed, Worrall Attack, Castling Line · 12 parties

├── C86c - 7…d6 - Ruy Lopez: Closed, Worrall Attack, Delayed Castling Line (1904) [+0.20] · 156 parties

│ ├── C86c - 8.* - Closed, Worrall Attack, Delayed Castling Line · 90 parties

│ └── C86d - 8.c3 - Spanish: Worrall Attack (1908) [+0.18] · 66 parties

└── C86b - 7…* - Spanish: Worrall Attack · 2 parties

Les parties, variante par variante

1317 partiesC86e - 7…O-O - Ruy Lopez: Closed, Worrall Attack, Castling Line (1904)

2156 partiesC86c - 7…d6 - Ruy Lopez: Closed, Worrall Attack, Delayed Castling Line (1904)

C86b — Spanish: Worrall Attack (1952)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3

Les coups candidats

7…O-O — 65.9% (3090 parties) →

Ambassadeurs : Da Silva Filho, Alcindo Luz Bastos (21x), Tiviakov, Sergei (18x), Short, Nigel D (13x), Estrada Nieto, Julian (13x), Moody, David W (10x), Ciric, Dragoljub M (9x), Chorfi, Khaled (9x), Pacey, Kevin (9x)

7…d6 — 33.0% (1547 parties) →

Ambassadeurs : Tiviakov, Sergei (11x), Keres, Paul Petrovich (8x), Limbos, Paul (8x), Unzicker, Ferdinand, Dr. (8x), Blatny, Frantisek (8x), Kaminski, Marcin (8x), Filipowicz, Andrzej (7x), Ciric, Dragoljub M (7x)

7…Bb7 — 0.7% (33 parties)

Ambassadeurs : Miguel Lago, Victor Placido (2x), Mednis, Edmar J (1x), Bartholy, Frederick E (1x), Feist, Mathias (1x), Comp Turbostar (1x), Wepener, Pieta (1x), Gosme, Emile (1x), Von Herman, Ulf (1x)

7…Na5 — 0.1% (7 parties)

Ambassadeurs : Mueller, Eduardo Antonio (1x), Boer, Marno (1x), Pedersen, Finn (1x), Jensen, Allan Astrup (1x), Salminen, Jussi (1x), Caisson, Christophe (1x), AlJelda, Fatemah. (1x), Abdulkarim, Hiba (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…O-O	7…d6	7…Bb7	7…Na5
<1800	203	71%	28%	1%	—
1800-2200	1605	65%	34%	1%	0%
2200-2600	1739	68%	31%	1%	0%
2600+	61	75%	25%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…O-O	7…d6	7…Bb7	7…Na5
1950s	268	54%	46%	0%	—
1960s	303	55%	45%	—	—
1970s	174	60%	39%	—	1%
1980s	216	71%	28%	0%	0%
1990s	1035	66%	32%	1%	—
2000s	1169	65%	33%	1%	0%
2010s	1329	70%	29%	1%	0%
2020s	193	72%	26%	1%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…O-O	70%	72%	▲ +1.1%
7…d6	29%	26%	▼ -2.5%
7…Bb7	1%	1%	▲ +0.5%
7…Na5	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 7 parties
Anand, Viswanathan — 7 parties
Carlsen, Magnus — 4 parties
Hou, Yifan — 4 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 1 partie
Ding, Liren — 1 partie

Parties historiques

7…O-O — 65.9% (3090 parties)

1950 — Moura, Jairo De Souza vs Torre, Eugenio — 1/2-1/2 — Estoril
1950 — Panov, Vasily vs Zagorovsky, Vladimir — 1-0 — Kiev UKR
1950 — Hess, Ralf E. vs Morel, Fernand — 1/2-1/2 — Lucerne SUI
1950 — Spirin, N vs Novotelnov, Nikolai — 0-1 — URS
1950 — Keres, Paul Petrovich vs Pogats, Jozsef Jr. — 1-0 — It Schiavno Zdroj

7…d6 — 33.0% (1547 parties)

1950 — Pachman, Ludek vs Rossolimo, Nicolas — 1/2-1/2 — Venice ITA
1950 — Brinckmann, Alfred vs Saemisch, Friedrich — 1-0 — Hamburg GER
1950 — Dubinin, Peter vs Suetin, Alexey S — 1-0 — RFSFR Tch
1950 — Dubinin, Peter vs Levenfish, Grigory — 1-0 — Gorky
1950 — Richards, William H vs Salm, Maxwell — 1/2-1/2 — Queensland ch

7…Bb7 — 0.7% (33 parties)

1956 — Mednis, Edmar J vs Bartholy, Frederick E — 1-0 — Oklahoma City, OK USA
1986 — Feist, Mathias vs Comp Turbostar — 1-0 — Dortmund GER
1991 — Von Herman, Ulf vs Andjic, Milonja — 1-0 — Budapest IM
1991 — Anand, Viswanathan vs Kamsky, Gata — 1-0 — Tilburg NED
1992 — Theissl Pokorna, Regina vs Mustafina, Svetlana — 1-0 — Duisburg Wch U10w

7…Na5 — 0.1% (7 parties)

1972 — Pedersen, Finn vs Jensen, Allan Astrup — 1/2-1/2 — Frederiksberg
1986 — Mueller, Eduardo Antonio vs Boer, Marno — 1-0 — ?
2002 — Salminen, Jussi vs Caisson, Christophe — 1-0 — ?
2006 — Gambier, Hugo vs Demuth, Adrien — 0-1 — Aix les Bains
2008 — AlJelda, Fatemah. vs Abdulkarim, Hiba — 1-0 — Abudhabi UAE

C86b - 7…* - Spanish: Worrall Attack (2)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes—● a6→b5Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes● d5 (2v1)● b4 (2v0), ● d4 (2v1)Cases faibles——Centre● d5 (2v1)● d4 (2v1) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 0)Bb3● Bb3 Actif (mob. 5)Be7● Be7 Actif (mob. 5)Bc8● Bc8 Non développé (mob. 1)Paire de fous● Oui● OuiNon développées3 (● b1, ● c1, ● a1)3 (● c8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Roqué● Au centreDroits de roque—O-O / O-O-O Thèmes ♔ Blancs♚ NoirsPhaseOuvertureCentreferméRuptures● c2-c4, ● d2-d4● ...d7-d5

C86b - 7…* - Spanish: Worrall Attack (2)