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 mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. e4 (Occuper le centre — 48 % des parties) ; a4 (21 % des parties) ; d5 (Occuper le centre — 8 % des parties) ; h3 (Empêcher ...Bg4 — 6 % des parties) ; b3 (Préparer le fianchetto — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...b5 (Expansion aile dame — 33 % des parties) ; ...a5 (20 % des parties) ; ...Nfd7 (14 % des parties) ; ...Bg4 (Fou actif (mobilité 7), Développer c8 — 13 % des parties) ; ...Nbd7 (Développer b8 — 7 % des parties).

Avantages

Faiblesses

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 Ok (mob. 2)
Bg7		● Bg7 Ok (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	mobile
Ruptures	● c4-c5, ● d4-d5	● …c6-c5, ● …d6-d5, ● …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 (1955)

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 — 47.9% (464 parties)

Ambassadeurs : Barbu, George-Viorel (30x), Zueger, Beat (12x), Onyshchuk, Volodymyr (10x), Farago, Sandor (9x), Wittmann, Walter (6x), Badea, Bela (6x), De Coverly, Roger D (5x), Romanishin, Oleg M (3x)

8.a4 — 21.2% (205 parties)

Ambassadeurs : Farago, Sandor (4x), Wittmann, Walter (4x), Maciejewski, Andrzej (3x), Banas, Jan (2x), Kapischka, Jens (2x), Zueger, Beat (2x), Wilhelm, Till (2x), Smirin, Ilia (2x)

8.d5 — 7.5% (73 parties)

Ambassadeurs : Korchnoi, Viktor (3x), Portisch, Lajos (2x), Zueger, Beat (2x), Shamkovich, Leonid (1x), Stoliar, Efim Samoilovich (1x), Osnos, Viatcheslav (1x), Zaitsev, Igor A (1x), Zilber, Israel (1x)

8.h3 — 6.1% (59 parties)

Ambassadeurs : De Coverly, Roger D (3x), Tatenhorst, Volker (2x), Barda, Olaf (1x), Schneider, Werner (1x), Finn, Simon P (1x), Radulov, Ivan (1x), Fauland, Alexander (1x), Katigin (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	33	45%	27%	—	6%
1800-2200	294	38%	27%	5%	6%
2200-2600	540	55%	17%	7%	6%
2600+	3	67%	33%	—	—

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	43	30%	28%	16%	5%
1980s	112	54%	12%	9%	9%
1990s	280	49%	20%	5%	8%
2000s	216	54%	20%	4%	6%
2010s	239	46%	26%	6%	3%
2020s	41	37%	27%	5%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.e4	46%	37%	▼ -9.4%
8.a4	26%	27%	+0.5%
8.d5	6%	5%	▼ -1.4%
8.h3	3%	7%	▲ +4.0%

Joueurs célèbres

Champions du monde dans cette position

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

Parties historiques

8.e4 — 47.9% (464 parties)

1955 — Ilivitsky, Georgy A vs Furman, Semyon — 1-0 — Moskou ch-URS
1956 — Bolbochan, Julio vs Johannsson, Isak Gunnsteinn — 1/2-1/2 — Moskou olm
1957 — Donner, Jan-Hein vs Hein-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 — 21.2% (205 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 — Sweden (ch)
1968 — Cifuentes Castro, Samara vs Zheliandinov, Viktor — 0-1 — Moscow RUS

8.d5 — 7.5% (73 parties)

1955 — Shamkovich, Leonid 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 — Koblencs, Alexander vs Gufeld, Eduard — 1/2-1/2 — Tbilisi GEO
1956 — Taimanov, Mark vs Abanin, Vladimir — 1-0 — Leningrad ch-URS
1956 — Korchnoi, Viktor vs Puig, Adria — 1-0 — Uppsala

8.h3 — 6.1% (59 parties)

1961 — Barda, Olaf vs Schneider, Werner — 1-0 — Kiel GER
1976 — Araiza, 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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