E62e — King’s Indian: Fianchetto, 6…c6 7.O-O a6

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c6 7.O-O a6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur les cases fortes f4 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

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

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte g4….

Atouts. Les Noirs s'appuient sur les cases fortes g4 et f5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c5 (Rupture) ; ...d5 (Rupture) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→a6, b7→c6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● g5 (2v0)	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c6-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1955 Gothenburg Interzonal – Round 10 – Ilivitsky, Georgy A – 1/2-1/2 – Bronstein, David I – G88 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O c6 7. Nc3 a6 8. d5 Bg4 9. h3 Bxf3 10. exf3 cxd5
1955 Moskou ch-URS – Round 19 – Ilivitsky, Georgy A – 1-0 – Furman, Slavomir – G151 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 c6 7. Nc3 a6 8. e4 b5 9. Qe2 bxc4 10. Qxc4 a5
1955 RUS Ch – Round ? – Shamkovich – 1/2-1/2 – Stoliar, Efim Samoilovich – G1 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 c6 7. d4 a6 8. d5 cxd5 9. cxd5 b5 10. Nd4 b4
1955 URS Team Ch fin – Round 4 – Lipnitsky, Isaac – 1-0 – Polugaevsky, Lev – G13 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 c6 7. Nc3 a6 8. a4 a5 9. h3 Nbd7 10. e4 e5
1956 Leningrad ch-URS – Round 1 – Taimanov, Mark E – 1-0 – Antoshin, Vladimir S – G63 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O a6 8. d5 cxd5 9. cxd5 Nbd7 10. h3 Nb6
1956 Moscow olm prel – Round 9 – Bolbochan, J. – 1/2-1/2 – Johannsson, I. – G264 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. d4 a6 8. e4 Qc7 9. h3 Nbd7 10. Qe2 e5
1956 Uppsala – Round 1 – Korchnoi, Viktor – 1-0 – Alemany Puig, Lluis – G2 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. Nc3 a6 8. d5 Ne8 9. Qb3 Nd7 10. Rd1 Rb8
1956 URS Ch, semi final – Round 9 – Koblencs, Alexander – 1/2-1/2 – Gufeld, Eduard – G82 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. O-O c6 7. Nc3 a6 8. d5 e5 9. Ne1 Qc7 10. Nd3 Nbd7
1957 Leningrad – Round 1 – Cherepkov, Alexander V – 1-0 – Korchnoi, Viktor – G28 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 c6 7. Nc3 a6 8. d5 e5 9. dxe6 Bxe6 10. b3 Qe7
1957 Minsk zt – Round 10 – Zelinsky, Yuri – 1/2-1/2 – Suetin, Alexey S – G66 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 a6 7. Nc3 c6 8. b3 b5 9. Nd2 Qb6 10. e3 Bb7
1957 Wageningen zt – Round 10 – Donner, Jan-Hein – 1-0 – Ivkov, Borislav – G45 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O a6 8. e4 b5 9. e5 Ne8 10. Qe2 Nc7
1961 Kiel – Round 2 – Barda, Olaf – 1-0 – Schneider, Werner – G3 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 a6 6. O-O d6 7. d4 c6 8. h3 b5 9. Nd2 Qb6 10. d5 cxd5
1961 Moskou ZShK – Round 8 – Olafsson, Fridrik – 0-1 – Vasiukov, Evgeni – G40 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. O-O c6 7. Nc3 a6 8. e4 b5 9. e5 Ne8 10. cxb5 axb5
1962 URS Team Ch – Round 1 – Zilber, Israel – 1-0 – Vasiukov, Evgeni – G133 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 c6 7. Nc3 a6 8. d5 e5 9. e4 cxd5 10. cxd5 Nbd7
1963 Zenica ch YUG – Round 7 – Sokolov, Vladimir – 0-1 – Damjanovic, Mato – G32 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 c6 7. O-O a6 8. e4 Bg4 9. h3 Bxf3 10. Qxf3 e5
1964 URS Spartakiad – Round ? – Kotov, Alexander A – 1-0 – Suetin, Alexey S – G6 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 Nf6 5. g3 O-O 6. Bg2 a6 7. O-O c6 8. b3 b5 9. Nd2 Qb6 10. e3 Nbd7
1965 Hungary – Round 1 – Portisch, Lajos – 1-0 – Honfi, K. – G50 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O a6 8. d5 Bd7 9. Qb3 Qc7 10. Bf4 Nh5
1965 Hungary – Round 1 – Sapi, Laszlo – 1-0 – Dely, Peter – G53 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. Nc3 a6 8. d5 cxd5 9. cxd5 Nbd7 10. Nd4 Qb6
1965 Santiago – Round 1 – Letelier Martner, Rene – 0-1 – Flores Honores, Patricio – G2 1. c4 g6 2. Nc3 Nf6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. d4 a6 7. O-O c6 8. d5 cxd5 9. cxd5 Nbd7 10. h3 a5
1965 SWE Ch – Round 2 – Fridh, Anton – 0-1 – Johansson, Martin 1979 – G6 1. c4 g6 2. Nf3 Bg7 3. d4 Nf6 4. Nc3 O-O 5. g3 d6 6. Bg2 c6 7. O-O a6 8. Qc2 b5 9. Nd2 Ra7 10. b3 Qb6
1966 Hastings6667 – Round 3 – Keene, Raymond D – 1-0 – Botvinnik, Mikhail – G15 1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. g3 O-O 5. Bg2 c6 6. O-O d6 7. Nc3 a6 8. a4 a5 9. b3 Na6 10. Ba3 Nb4
1967 Halle zt – Round 16 – Portisch, Ferenc – 1-0 – Pietrusiak, Albin – G76 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 c6 7. O-O a6 8. d5 cxd5 9. cxd5 b5 10. Nd4 Bb7
1967 Sweden (ch) – Round 13 – Ek, Hans – 1/2-1/2 – Jansson, Borje – G65 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 c6 7. Nc3 a6 8. a4 a5 9. d5 Bd7 10. Be3 Na6
1969 IBM-B – Round 1 – Van Scheltinga, Theo – 1/2-1/2 – Diez del Corral, Jesus – G3 1. c4 Nf6 2. Nc3 g6 3. g3 d6 4. Bg2 Bg7 5. d4 O-O 6. Nf3 c6 7. O-O a6 8. e4 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7
1969 Luhacovice – Round 1 – Kozma, Julius – 1-0 – Mista, Ladislav – G8 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O a6 8. d5 cxd5 9. cxd5 b5 10. a3 Nbd7
1969 Palma de Mallorca – Round 6 – Korchnoi, Viktor – 1-0 – Diez del Corral, Jesus – G55 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. Nf3 O-O 6. Bg2 c6 7. O-O a6 8. d5 e5 9. dxe6 Bxe6 10. b3 Nd5
1975 URS Team Ch – Round 2 – Etruk, Rein T – 1-0 – Husenov, U. – G46 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. d4 a6 8. a4 a5 9. h3 Na6 10. e4 Nb4
World Blitz 2016 – Round 6.13 – Bu, Xiangzhi – 1-0 – Onyshchuk, Volodymyr – G222 1. Nf3 g6 2. d4 Bg7 3. g3 d6 4. Bg2 Nf6 5. O-O O-O 6. c4 c6 7. Nc3 a6 8. a4 a5 9. e4 Na6 10. h3 Nb4
World Blitz 2018 – Round 1.86 – Pogosyan, Stefan – 0-1 – Smirin, Ilia – G68 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O a6 8. a4 a5 9. e4 Nfd7 10. Re1 e5
World Blitz 2018 – Round 13.45 – Fridman, Daniel – 1-0 – Tissir, Mohamed – G785 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. Nc3 a6 7. O-O c6 8. Bf4 b5 9. c5 dxc5 10. dxc5 Nfd7

E62e — Fianchetto

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c6 7.O-O a6

Les coups candidats

8.e4 — 48.2% (461 parties)

Ambassadeurs : Georgiev, Krum (28x), Zueger, Beat (18x), Onyshchuk, Volodymyr (11x), Farago, Sandor (10x), Badea, Bela (7x), Wittmann, Walter (6x), De Coverly, Roger D (5x), Ballmann, Martin (4x)

8.a4 — 21.1% (202 parties)

Ambassadeurs : Zueger, Beat (7x), Farago, Sandor (4x), Maciejewski, Andrzej (3x), Smirin, Ilia (3x), Banas, Jan (2x), Suetin, Alexey S (2x), Calotescu, Ana-Cristina (2x), Kapischka, Jens (2x)

8.d5 — 7.6% (73 parties)

Ambassadeurs : Korchnoi, Viktor (3x), Jacobsen, Bo (3x), Portisch, Ferenc (2x), Maciejewski, Andrzej (2x), De Coverly, Roger D (2x), Zueger, Beat (2x), Letelier Martner, Rene (1x), Flores Honores, Patricio (1x)

8.h3 — 6.1% (58 parties)

Ambassadeurs : De Coverly, Roger D (3x), Kovalev, Andrei (2x), Tatenhorst, Volker (2x), Barda, Olaf (1x), Schneider, Werner (1x), Kunsztowicz, Uwe (1x), Reefschlaeger, Helmut, Dr. (1x), Raicevic, Momcilo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.e4	8.a4	8.d5	8.h3
<1800	14	50%	21%	—	—
1800-2200	212	36%	26%	4%	7%
2200-2600	601	55%	18%	8%	5%
2600+	4	75%	25%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.e4	8.a4	8.d5	8.h3
1950s	13	23%	15%	46%	—
1960s	24	29%	17%	42%	4%
1970s	42	29%	29%	17%	5%
1980s	113	55%	12%	9%	9%
1990s	278	49%	20%	5%	8%
2000s	216	54%	20%	4%	6%
2010s	237	46%	27%	6%	3%
2020s	34	41%	24%	6%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.e4	46%	41%	▼ -4.8%
8.a4	27%	24%	▼ -3.1%
8.d5	6%	6%	-0.4%
8.h3	3%	6%	▲ +2.5%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

8.e4 — 48.2% (461 parties)

1955 — Ilivitsky, Georgy A vs Furman, Slavomir — 1-0 — Moskou ch-URS
1956 — Bolbochan, J. vs Johannsson, I. — 1/2-1/2 — Moscow RUS
1957 — Donner, Jan-Hein vs Ivkov, Borislav — 1-0 — Wageningen zt
1961 — Olafsson, Fridrik vs Vasiukov, Evgeni — 0-1 — Moskou ZShK
1963 — Sokolov, Vladimir vs Damjanovic, Mato — 0-1 — Zenica ch YUG

8.a4 — 21.1% (202 parties)

1955 — Lipnitsky, Isaac vs Polugaevsky, Lev — 1-0 — Voroshilovgrad
1958 — Krutyansky, Andrey vs Vasiukov, Evgeni — 0-1 — Moscow RUS
1966 — Keene, Raymond D vs Botvinnik, Mikhail — 1-0 — Hastings ENG
1967 — Ek, Hans vs Jansson, Borje — 1/2-1/2 — Stockholm SWE
1968 — Cifuentes Castro, Samara vs Zheliandinov, Viktor — 0-1 — Moscow RUS

8.d5 — 7.6% (73 parties)

1955 — Shamkovich vs Stoliar, Efim Samoilovich — 1/2-1/2 — Leningrad RUS
1955 — Ilivitsky, Georgy A vs Bronstein, David I — 1/2-1/2 — Goteborg SWE
1956 — Taimanov, Mark vs Antoshin, Vladimir S — 1-0 — Leningrad ch-URS
1956 — Korchnoi, Viktor vs Alemany Puig, Lluis — 1-0 — Uppsala
1956 — Koblencs, Alexander vs Gufeld, Eduard — 1/2-1/2 — Tbilisi GEO

8.h3 — 6.1% (58 parties)

1961 — Barda, Olaf vs Schneider, Werner — 1-0 — Kiel GER
1976 — Araiza Munoz, Jose Joaquin vs Campos Moreno, Javier B. — 0-1 — ?
1978 — Bugajski, Robert vs Maciejewski, Andrzej — 0-1 — Warsaw POL
1981 — Roe, Simon J vs De Coverly, Roger D — 0-1 — Amersham
1983 — Gutman, Lev vs Kosanski, Stanko — 1-0 — Zurich SUI

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