Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→c6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● c4-c5, ● d4-d5	● …c6-c5, ● …d6-d5, ● …e7-e5

E67c — King’s Indian: Fianchetto with 6…Nd7 7.O-O c6

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O c6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (e4 dans 56 % des parties).

Atouts. Les Blancs s'appuient sur un contrôle dominant de f4 et g5.

Côté adverse. Un mauvais fou en c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. e4 (Occuper le centre — 56 % des parties) ; h3 (Empêcher ...Bg4 — 13 % des parties) ; Qc2 (12 % des parties) ; b3 (Préparer le fianchetto — 9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Jeu au centre (...e5 dans 67 % des parties).

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...e5 (Occuper le centre — 67 % des parties) ; ...Qc7 (14 % des parties) ; ...Re8 (5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1924 Paris f-A – Round 1 – Apscheneek, Fritzis – 0-1 – Havasi, Kornel – G2 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O c6 8. b3 Re8 9. Ba3 Qc7 10. Qc2 e5
1929 Mexico sim – Round ? – Alekhine, Alexander – 1/2-1/2 – Tostado, A. – G6 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 c6 7. O-O Nbd7 8. Bf4 Re8 9. Qc2 e5 10. dxe5 dxe5
1929 Ramsgate schev – Round 1 – Rubinstein, Akiba – 1-0 – Tylor, Theodore Henry – G1 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 c6 8. h3 Re8 9. a4 a5 10. e4 Qc7
1935 6. C.to Italiano – Round 3 – Sacconi, Antonio – 1-0 – Rosselli del Turco, Stefano – G3 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O c6 8. b3 Qc7 9. Bb2 e5 10. Qc2 Re8
1935 Barcelona – Round 1 – Reilly, Brian – 1/2-1/2 – Thomas, George Alan – G24 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O c6 8. b3 Re8 9. Bb2 e5 10. e4 b6
1935 Barcelona – Round 1 – Ribera Arnal, Angel – 0-1 – Koltanowski, George – G15 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c6 5. Nc3 d6 6. Nf3 Nbd7 7. O-O O-O 8. b3 Re8 9. Bb2 e5 10. e4 Nh5
1944 Tbilisi – Round 1 – Petrosian, Tigran A. – 0-1 – Kasparian, Genrikh – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 c6 7. O-O Nbd7 8. b3 Re8 9. Bb2 e5 10. e3 Qc7
1948 Duisburg – Round 6 – Von Zabiensky, Hans – 0-1 – Hoenlinger, Baldur – G6 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nbd7 7. Nc3 c6 8. Qb3 Qc7 9. Nh4 e5 10. e3 Re8
1950 Vienna – Round 9 – Soluch, Leopold – 0-1 – Paoli, Enrico – G28 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nbd7 7. Nc3 c6 8. Qc2 Qc7 9. b4 Nb6 10. c5 Nbd5
1954 Montevideo – Round 1 – Alvarez del Monte, Jose – 1-0 – Corral, Hector – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O c6 8. e4 Qc7 9. h3 e5 10. Be3 Re8
1954 Olympiad final B – Round 11 – Neu, Alexandre – 0-1 – Bhend, Edwin – G65 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 c6 8. Qc2 Qc7 9. b3 Re8 10. Bb2 e5
1956 Mar del Plata – Round 13 – Bolbochan, J. – 1/2-1/2 – Bolbochan, J. – G71 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. Nc3 Nbd7 8. Qc2 Re8 9. Rd1 Qc7 10. e4 Nf8
1957 Danmarksmesterskabet – Round 3 – Nielsen, Axel – 1-0 – Kupferstich, Moises – G10 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 d6 5. d4 Nbd7 6. Nc3 O-O 7. O-O c6 8. Qc2 Ne8 9. e4 e5 10. Be3 Qe7
1958 Manhattan CC Ch fin 5758 – Round 3 – Turner, Abe J – 1-0 – Schwartz, Edward – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O c6 8. e4 Qc7 9. h3 Rd8 10. Qc2 e5
1960 Olympiad final B – Round 7 – Porath, Yosef – 0-1 – Ojanen, Kaarle S – G15 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Nbd7 8. b3 e5 9. Qc2 Re8 10. Bb2 Nf8
1961 Buenos Aires ch-ARG – Round 6 – Acosta Garcia, Rafael Isaac – 1/2-1/2 – Rubinstein, Jose – G37 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O Nbd7 7. Nc3 c6 8. d5 c5 9. a4 b6 10. h3 Rb8
1962 Varna olm – Round 10 – Fred, Aatos – 1-0 – Kristjansson, Olafur – G445 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nbd7 7. Nc3 c6 8. b3 Rb8 9. Bd2 h6 10. Qc2 e5
1963 Bath ch-BCF – Round 2.1 – Pritchard, David J – 0-1 – Penrose, Justin – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O c6 8. Qc2 Qc7 9. b3 b5 10. cxb5 cxb5
1963 Pan American Ch – Round 1 – Foguelman, Alberto – 1/2-1/2 – Lopez Mario D – G2 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Nf3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 c6 8. Qc2 e6 9. e4 a6 10. b3 Qc7
1963 Toronto Ch – Round 2 – Sarosy, Zoltan L – 1/2-1/2 – Pressburger, Andrew – G2 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. d4 Nbd7 8. h3 Re8 9. Be3 Nf8 10. Qb3 Rb8
1966 Havana – Round 1 – Letelier Martner, Rene – 0-1 – Acevedo Ortega, Rodrigo Andres – G25 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O c6 8. Qc2 Rb8 9. a4 Qc7 10. Rd1 b6
1966 Rzeszow ch POL – Round 7 – Adamski, Jan – 1/2-1/2 – Ziembinski, Marian – G44 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O c6 7. Nc3 Nbd7 8. Qc2 Qc7 9. e4 e5 10. Rd1 Re8
1967 Oxford ch-BCF – Round 4 – Whiteley, Andrew J – 1-0 – Littlewood, Norman – G39 1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. g3 Nf6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 c6 8. d5 Qb6 9. e4 Ng4 10. Qc2 Nde5
1967 Oxford ch-BCF – Round 4 – Whiteley, Andrew Jonathan – 1/2-1/2 – Littlewood, Norman – G38 1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. g3 Nf6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 c6 8. d5 Qb6 9. e4 Ng4 10. Qc2 Nde5
1967 SWE Ch 27th – Round 15 – Ek, Hans – 0-1 – Skold, Kristian – G15 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 c6 7. Nc3 Nbd7 8. h3 h6 9. Be3 Kh7 10. b4 Nb6
1968 Budapest – Round 1 – Radnoti, Bela – 1/2-1/2 – Stein, Leonid – G34 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 O-O 5. Nc3 d6 6. Bg2 Nbd7 7. O-O c6 8. b3 Re8 9. Bb2 h6 10. Qc2 Nf8
1968 Memorial Em. Lasker – Round 1 – Espig, Lutz – 1/2-1/2 – Acosta Ortega, Luis Edgardo – G25 1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 c6 8. Qc2 a5 9. Rd1 Qc7 10. Bg5 Nb6

E67c — Fianchetto with 6…Nd7 7.O-O c6 (1924)

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O c6

Les coups candidats

8.e4 — 56.1% (4966 parties)

Ambassadeurs : Borriss, Claudia (16x), Barlov, Dragan (10x), Pigusov, Evgeny (7x), Szmetan, Jorge (6x), Fancsy, Imre (6x), Cuevas Rodriguez, Maria Luisa (5x), Loginov, Valery A (5x), Tukmakov, Vladimir B (5x)

8.h3 — 12.9% (1145 parties)

Ambassadeurs : Eckhardt, Claudia (6x), Shaydullina, Sandugach (5x), Ivanisevic, Dusica (5x), Garcia Orus, Francisco (4x), Garcia, Eder Raimundo (4x), Linqvist, Grels (4x), Banduka, Zeljko (4x), Forintos, Gyozo V (3x)

8.Qc2 — 12.4% (1095 parties)

Ambassadeurs : Rossi, Giampiero (11x), Arkell, Keith C (5x), Lomer, Edmund (5x), Kchouk, Bechir (4x), Faleg, Alberto (4x), Kock, Hans-Uwe (4x), Samuelsson, Sven-Gunnar (3x), Maiwald, Jens-Uwe (3x)

8.b3 — 8.7% (772 parties)

Ambassadeurs : Kekki, Jorma (5x), Reefschlaeger, Helmut, Dr. (4x), Litynska, Marta (3x), Vencl, Jiri (2x), Vetemaa, Juri (2x), Murshed, Niaz (2x), Hasan Md, Emam (2x), Solymosi, Andras (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.e4	8.h3	8.Qc2	8.b3
<1800	588	53%	10%	11%	8%
1800-2200	4638	54%	14%	13%	10%
2200-2600	2306	62%	14%	11%	7%
2600+	15	67%	7%	13%	7%

Évolution par décennie (% des parties)

Décennie	N parties	8.e4	8.h3	8.Qc2	8.b3
1950s	67	48%	19%	24%	3%
1960s	133	54%	11%	23%	8%
1970s	225	60%	8%	15%	11%
1980s	402	60%	12%	14%	8%
1990s	2087	54%	16%	13%	8%
2000s	2477	55%	13%	12%	8%
2010s	2939	57%	12%	12%	10%
2020s	521	64%	10%	11%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.e4	57%	64%	▲ +7.9%
8.h3	12%	10%	▼ -1.9%
8.Qc2	12%	11%	-0.4%
8.b3	10%	7%	▼ -2.3%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 3 parties
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Hou, Yifan — 1 partie

Parties historiques

8.e4 — 56.1% (4966 parties)

1950 — Nielsen, Palle vs Moller, Baldur Helgi — 0-1 — Reykjavik ISL
1950 — Eugenio, Sarah De Oliveira vs Stalda, Giuseppe — 1/2-1/2 — Venice ITA
1950 — Guimard, Carlos Enrique vs Pedersen, Eigil — 1-0 — Dubrovnik CRO
1951 — Van Kol J vs Meddeler, H. — 0-1 — cr.
1952 — Eken, Max vs Klein, Eberhard — 1/2-1/2 — London ENG

8.h3 — 12.9% (1145 parties)

1950 — Collet, Hugo vs Pedersen, Eigil — 1/2-1/2 — Dubrovnik olm
1950 — Guimard, Carlos Enrique vs Sumar, Julio — 1-0 — Dubrovnik CRO
1952 — De Souza Mendes, Joao vs Madeira de Ley, Manuel — 1-0 — Rio de Janeiro BRA
1952 — Neikirkh, Oleg vs Filipov, Filip — 1-0 — Sofia BUL
1953 — Eros, Plata vs Hahn, Eduard — 0-1 — Aschaffenburg

8.Qc2 — 12.4% (1095 parties)

1950 — Castaldi, Vincenzo vs Mastichiadis, Fotis — 1-0 — Dubrovnik olm
1950 — Busek, Hans vs Sumar, Julio — 1-0 — Dubrovnik CRO
1950 — Soluch, Leopold vs Paoli, Enrico — 0-1 — Vienna AUT
1951 — Nielsen, Poul Erik vs Pedersen, Eigil — 1/2-1/2 — ?
1951 — Stein, Georg vs Hunte, Hugo — 0-1 — Schwerin GER

8.b3 — 8.7% (772 parties)

1952 — Zografakis, Aristidis vs Jost, Felix — 1/2-1/2 — Helsinki olm
1954 — Volpert, Larisa vs Vaisberg, Berta I — 1-0 — Riga LAT
1960 — Bachtiar, Arovah vs Pustina, Ylvi — 1-0 — Leipzig GER
1960 — Porath, Yosef vs Ojanen, Kaarle S — 0-1 — Leipzig GER
1960 — Malich, Burkhard, Dr. vs Drozd, Ryszard — 1/2-1/2 — Bad Salzungen GER

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