Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, g2→h3, c3→d4	● a6→b5, d6→c5, d6→e5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● c4 (2v0)
Cases faibles	—	—
Centre	● d4 (3v2), ● e4 (2v1), ● e5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc2	● Bc2 Ok (mob. 3)
Be7		● Be7 Ok (mob. 1)
Bc8		● Bc8 Non développé (mob. 6)
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	● c3-c4	● …d6-d5

C97a — Spanish: Closed, Chigorin, 11.d4 Qc7

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nbd2 (Développer b1 — 82 % des parties) ; d5 (Occuper le centre — 15 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...cxd4 (Capture en d4, Occuper le centre — 47 % des parties) ; ...Bd7 (Fou actif (mobilité 7), Développer c8 — 20 % des parties) ; ...Nc6 (11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

├── C97d - 12.Nbd2 - Spanish: Closed, Chigorin (1906) [+0.37] · 258 parties

│ ├── C97h - 12…Bd7 - Spanish: Closed, Chigorin (1935) [+0.41] · 124 parties

│ │ └── C97i - 13.Nf1 - Spanish: Closed, Chigorin (1908) [+0.48] · 124 parties

│ │ ├── C97k - 13…Rfe8 - Spanish: Closed, Chigorin (1938) [+0.70] · 83 parties

│ │ │ └── C97l - 14.Ne3 g6 - Closed, Chigorin, Yugoslav System (1955) [+0.84] · 83 parties

│ │ └── C97j - 13…Nc4 - Spanish: Closed, Chigorin (1932) [+0.61] · 41 parties

│ ├── C97f - 12…Re8 - Spanish: Closed, Chigorin (1909) [+0.83] · 71 parties

│ ├── C97g - 12…Rd8 - Spanish: Closed, Chigorin (1953) [+0.89] · 42 parties

│ └── C97e - 12…Bb7 - Spanish: Closed, Chigorin (1905) [+0.90] · 21 parties

├── C97m - 12.* - Spanish · 243 parties

└── C97b - 12.d5 - Spanish: Closed, Chigorin (1933) [+0.48] · 1 partie

└── C97c - 12…c4 - Spanish: Closed, Chigorin (1965) [+1.36] · 1 partie

C97a —

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7

Les coups candidats

12.Nbd2 — 82.0% (18843 parties) →

Ambassadeurs : Zielinski, Sergej (212x), Szabo, Vilmos (108x), Lengyel, Bela (106x), Ivkov, Borislav (68x), Matanovic, Aleksandar (55x), Van Riemsdijk, Herman C. (55x), Salzmann, Stefan (49x), Sherwood, Russell (47x)

12.d5 — 14.7% (3386 parties) →

Ambassadeurs : Zielinski, Sergej (60x), Szabo, Vilmos (19x), Gromotka, Harry (17x), Popov, Vladimir Valentinovich (17x), Salonen, Jukka (11x), Kasparov, Garry (10x), Filippov, Anton (9x), Pott, Brian (9x)

12.Bg5 — 0.9% (208 parties)

Ambassadeurs : Westerinen, Heikki M.J. (5x), Purdy, Cecil J S (4x), Cook, Patrick (2x), Abad Calderon, Abraham (2x), Balogh, Janos (2x), Castaneda, Carlos (2x), Zielinski, Sergej (2x), Narva, Mai (2x)

12.b4 — 0.6% (143 parties)

Ambassadeurs : Srbis, Jurica (7x), Huerga Leache, Mikel (4x), Gipslis, Aivars (3x), Vasiukov, Evgeni (3x), ? (3x), Klundt, Klaus (3x), Sagorovsky, V. (2x), Suetin, Alexey S (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.Nbd2	12.d5	12.Bg5	12.b4
<1800	1224	75%	20%	3%	0%
1800-2200	8797	79%	18%	1%	0%
2200-2600	7993	83%	15%	0%	1%
2600+	288	81%	18%	0%	0%

Évolution par décennie (% des parties)

Décennie	N parties	12.Nbd2	12.d5	12.Bg5	12.b4
1950s	732	94%	1%	1%	2%
1960s	948	93%	1%	1%	3%
1970s	854	93%	3%	1%	2%
1980s	1115	93%	4%	0%	1%
1990s	2264	87%	9%	1%	1%
2000s	7251	86%	11%	1%	0%
2010s	8358	77%	20%	1%	0%
2020s	1446	54%	43%	1%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.Nbd2	77%	54%	▼ -23.1%
12.d5	20%	43%	▲ +23.1%
12.Bg5	1%	1%	+0.2%
12.b4	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Botvinnik, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Smyslov, Vladimir — 7 parties
Hou, Yifan — 5 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 2 parties
Karpov, Aleksandr — 1 partie
Lasker, Emanuel — 1 partie
Fischer, Robert James — 1 partie

Parties historiques

12.Nbd2 — 82.0% (18843 parties)

1950 — Geller, Efim P. vs Panov, Vasily — 1-0 — Kiev UKR
1950 — Van't Veer, P. vs Purdy, Cecil J S — 0-1 — corr Wch1
1950 — Aronin, Lev vs Alexander Tadala — 1-0 — Moskou ch-URS
1950 — Aronin, Lev vs Averbakh, Yuri L — 1/2-1/2 — Moskou ch-URS
1950 — Lipnitsky Isaak vs Pavlov, Mircea-Sergiu-Aurelian — 1-0 — Ch URS (1/2 final), Kiev UKR

12.d5 — 14.7% (3386 parties)

1952 — Abiolla James vs AGBOLO, Green Laureta — 0-1 — Chester
1954 — Kaliwoda, Kurt vs Heilemann, Paul — 1/2-1/2 — ?
1956 — Benitez Diaz, Francisco Javier vs Benitez Rodriguez, Carlos — 1/2-1/2 — Moscow RUS
1957 — Parmalee, Clinton vs Cafarelli, Neil — 1-0 — East Orange
1958 — Darznieks, Artur vs Ivanovs, Aleksandrs — 1-0 — Riga LAT

12.Bg5 — 0.9% (208 parties)

1950 — Purdy, Cecil J S vs Balogh, Janos — 1/2-1/2 — ?
1950 — Purdy, Cecil J S vs Balogh, Janos — 1/2-1/2 — corr Wch1
1950 — Purdy, Cecil J S vs Collins Justin — 1-0 — corr Wch1
1952 — Purdy, Cecil J S vs Sarapu, Ortvin — 1/2-1/2 — Auckland NZL
1953 — Cook, Patrick vs Abad Calderon, Abraham — 0-1 — Hastings ch-BCF

12.b4 — 0.6% (143 parties)

1957 — Zagorovsky, Vladimir vs Frantzen, A. — 1-0 — Wch4 sf10 corr
1957 — Nezhmetdinov, Rashid vs Bannik, Anatolij — 1-0 — Kiev UKR
1958 — Suetin, Alexey S vs Rabar, Braslav — 1-0 — Zagreb CRO
1958 — Suetin, Alexey S vs Mikenas, Vladas — 1-0 — Moscow RUS
1958 — Shianovsky, Vladislav I vs Poliak, Evsey — 1-0 — Kiev UKR

C97m - 12.* - Spanish (243)

Spanish Coups: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7

C97m - 12.* - Spanish (243)