E62b — King’s Indian: Fianchetto Variation

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur les cases fortes f4, b5, d5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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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 et le roi resté au centre.

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) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0), ● d5 (2v1), ● g5 (2v0)	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (2v1), ● 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	3 (c1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1919 Stockholm – Round 3 – Rubinstein, Akiba – 1/2-1/2 – Reti, Richard – G18 1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Nfd7 7. e4 h6 8. Be3 e5 9. h3 Nc6 10. O-O Re8
1930 Hastings 3031 – Round 1 – Thomas, George Alan – 1-0 – Tylor, Theodore Henry – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. O-O Nd7 10. e3 e5
1932 Pasadena – Round 1 – Fine, Reuben – 0-1 – Reshevsky, Samuel – G7 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Re8 7. O-O c6 8. b3 Nbd7 9. Bb2 Qc7 0-1
1939 Buenos Aires ol prel-A – Round 2 – Wood, Beau – 0-1 – Alvarez Soto, David – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 O-O 6. Nf3 Bg4 7. Bg5 Nc6 8. O-O Qc8 9. d5 Nb8 10. Qd2 Re8
1942 Mar del Plata – Round 3 – Canepa, Jose – 0-1 – Pelikan, Jan – G32 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Na6 7. e4 c6 8. b3 Qa5 0-1
1944 La Plata Jockey Club – Round 1 – Najdorf, Rafael – 1/2-1/2 – Pelikan, Anna – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Na6 7. O-O c5 8. b3 Qa5 9. Bb2 cxd4 10. Nxd4 Qh5
1944 Mar del Plata – Round 6 – Najdorf, Miguel – 1-0 – Pelikan, Jan – G54 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Na6 7. O-O c5 8. h3 Bd7 9. d5 Nc7 10. a4 Rb8
1945 Vina del Mar – Round 14 – Ader Hausman, Walter – 1/2-1/2 – Flores Alvarez, Rodrigo – G49 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Na6 7. O-O c5 8. h3 Bd7 9. Kh2 Rb8 10. e4 cxd4
1946 Buenos Aires ch-ARG – Round 1 – Sanguinetti, Renato – 1/2-1/2 – Iliesco – G18 1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. Nf3 Bg7 5. g3 O-O 6. Bg2 Bg4 7. h3 Bxf3 8. exf3 Na6 9. O-O c5 10. dxc5 Nxc5
1949 Leningrad – Round 2 – Lisitsin, Georgy – 1-0 – Ufimtsev, Artemiy – G35 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. O-O Qd7 10. Bg2 Nh5
1949 Mar del Plata – Round 9 – Luckis, Marcos – 1-0 – Czerniak, Magdalena – G84 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Na6 7. O-O c5 8. d5 Nc7 9. e4 a6 10. a4 b6
1949 YUG Ch – Round 13 – Milic, Borislav – 0-1 – Janosevic, Dragoljub – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 O-O 6. Nf3 Nfd7 7. O-O Nc6 8. b3 e5 9. e3 exd4 10. exd4 Nf6
1951 Moskou ch-URS – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Simagin, Vladimir – G28 1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. O-O Nd7 10. Bg2 Nxd4
1951 URS-ch19 – Round ? – Kotov, Alexander A – 1/2-1/2 – Simagin, Vladimir – G3 1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. O-O Nd7 10. Bg2 Nxd4
1953 GDR Ch – Round 10 – Burkhardt, Erich – 0-1 – Elstner, Rudolf – G32 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. O-O Nd7 10. e3 e5
1954 Amsterdam olm – Round ? – Porrecca, Giorgio – 1/2-1/2 – De Greif, Boris – G180 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Na6 7. O-O c5 8. h3 Bd7 9. Kh2 Bc6 10. d5 Bd7
1954 Amsterdam olm – Round 1 – Jerolim, J – 0-1 – Walther, Edgar – G43 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Nfd7 7. O-O e5 8. e4 Nc6 9. d5 Ne7 10. Qc2 a5
1954 Prague zt – Round 2 – Stahlberg, Gideon – 1/2-1/2 – Hodja, Bujan – G11 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 a6 7. O-O Re8 8. h3 Nbd7 9. e4 e5 10. Re1 Rb8
1957 Moskou ch-URS – Round 6 – Khasin, Abram – 1-0 – Tarasov, Vitaly – G61 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Bg4 7. O-O Qc8 8. Re1 Re8 9. d5 e5 10. e4 a5
1957 World Championship 21th – Round 5 – Botvinnik, Mikhail – 1-0 – Smyslov, Vladimir – G5 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. Bg2 Nd7 10. e3 e5
1963 UKR Ch – Round 12 – Gufeld, Eduard – 1-0 – Tukmakov, Vladimir B – G78 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Bg4 7. O-O Nfd7 8. Ne1 Nb6 9. Bxb7 N8d7 10. Bxa8 Qxa8
1964 Amsterdam Interzonal – Round 21 – Stein, Leon Rico – 1-0 – Larsen, Benjamin Holsko – G215 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Bxf3 Qc8 9. Bg2 c5 10. d5 Na6
1964 WchT U26 11. fin-A – Round 11.2 – Marovic, Drazen – 1-0 – Schmidt, Wlodzimierz – G191 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Bd7 7. O-O Qc8 8. Re1 Nc6 9. Nd5 Bg4 10. Be3 e5
1964 WchT U26 11. fin-A – Round 5.1 – Lombardy, William J – 1-0 – Spiridonov, Nikola – G76 1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 O-O 5. d4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. exf3 d5 9. f4 c6 10. O-O dxc4
2024 Superbet Chess Classic - Round 5 - So Wesley - 1/2-1/2 - Praggnanandhaa R - G23 1. d4 1... Nf6 2. c4 2... g6 3. g3 3... Bg7 4. Bg2 4... O-O 5. Nc3 5... d6 6. Nf3 6... a5 7. O-O 7... Bf5 8. Nh4 8... Bc8 9. b3 9... Nbd7 10. Ba3 10... e5
2026 Norway Chess Open - Round 7 - Keymer, Vincent - 1/2-1/2 - Carlsen, Magnus - G29 1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Re8 7. O-O Bd7 8. Bg5 h6 9. Bf4 Nc6 10. d5 Na5
FIDE Grand Swiss 2025 – Round 1 – Korobov Anton – 1/2-1/2 – Van Foreest Jorden – G23 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Bf5 7. Nh4 Bc8 8. Nf3 Bf5 9. O-O Ne4 10. Nd5 c6
OHRA 1984 – Round 1 – Portisch, Lajos – 1-0 – Sznapik, Aleksander – G2 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. e3 Nd7 10. Bg2 e5

E62b — Fianchetto Variation

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

Eval: [+0.28]

Les coups candidats

6…Nbd7 — 38.4% (16886 parties) →

Ambassadeurs : Ilincic, Zlatko (65x), ? (40x), Csom, Istvan (33x), Najdorf, Miguel (30x), Geller, Efim P. (30x), Bukal, Vladimir Jr. (28x), Stohl, Igor (27x), Donner, Jan-Hein (25x)

6…Nc6 — 35.4% (15563 parties) →

Ambassadeurs : Ilincic, Zlatko (52x), Grabarczyk, Miroslaw (45x), Csom, Istvan (35x), Westerinen, Heikki M.J. (35x), Rawlings, Alan J C (33x), Seres, Lajos (31x), Stohl, Igor (30x), Korchnoi, Viktor (29x)

6…c6 — 14.6% (6413 parties) →

Ambassadeurs : Ilincic, Zlatko (28x), Hansen, Lars-Henrik Bech (26x), Csom, Istvan (24x), Grabarczyk, Miroslaw (22x), Georgiev, Krum (20x), Jansa, Vlastimil (19x), Damljanovic, Branko (19x), Farago, Sandor (17x)

6…c5 — 7.8% (3438 parties) →

Ambassadeurs : Gligorić, Svetozar (22x), Donner, Jan-Hein (13x), Najdorf, Miguel (12x), Udovcic, Mijo (11x), Byrne, Ray (11x), Korchnoi, Viktor (10x), Bertok, Mario Jr. (8x), Stahlberg, Gideon (8x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Nbd7	6…Nc6	6…c6	6…c5
<1800	1031	44%	22%	15%	10%
1800-2200	13949	39%	33%	15%	8%
2200-2600	20683	35%	40%	15%	7%
2600+	626	31%	46%	12%	7%

Évolution par décennie (% des parties)

Décennie	N parties	6…Nbd7	6…Nc6	6…c6	6…c5
1810s	1	—	100%	—	—
1880s	1	100%	—	—	—
1910s	2	—	—	50%	—
1920s	46	33%	50%	9%	4%
1930s	73	68%	21%	3%	—
1940s	139	77%	10%	1%	1%
1950s	901	50%	27%	3%	18%
1960s	1017	37%	39%	7%	15%
1970s	1157	33%	41%	15%	8%
1980s	1978	38%	37%	14%	8%
1990s	8124	46%	27%	17%	7%
2000s	10066	42%	31%	15%	7%
2010s	15999	34%	41%	15%	6%
2020s	4519	28%	38%	15%	14%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Nbd7	34%	28%	▼ -6.5%
6…Nc6	41%	38%	▼ -3.5%
6…c6	15%	15%	+0.1%
6…c5	6%	14%	▲ +8.1%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Ding, Liren — 10 parties
Ju, Wenjun — 10 parties
Carlsen, Magnus — 7 parties
Gukesh D — 5 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

6…Nbd7 — 38.4% (16886 parties)

1880 — Adolf, Feraydo vs Paulsen, Louis — 1/2-1/2 — Wiesbaden GER
1924 — Vukovic, Vladimir vs Mueller, Helge — 1/2-1/2 — Gyor
1924 — Apscheneek, Fritzis vs Havasi, Kornel — 0-1 — Paris FRA
1925 — Alekhine, Alexander vs Antonius Henricus Marie Wap — 1-0 — Rotterdam NED
1925 — Ramhartner vs Louma, Josef — 1/2-1/2 — Bratislava SVK

6…Nc6 — 35.4% (15563 parties)

1811 — Romanishin, Oleg M vs Grunberg, H.U. — 1-0 — Dresden GER
1923 — Bernstein, Jan vs Bellod Thomas, Gonzalo — 1-0 — Carlsbad CZE
1923 — Alekhine, Alexander vs Yates, Frederic D — 0-1 — Carlsbad CZE
1923 — Bernstein, Jacob vs Yates, Frederic D — 1-0 — Carlsbad CZE
1924 — Alekhine, Alexander vs Reti, Richard — 1-0 — New York, NY USA

6…c6 — 14.6% (6413 parties)

1917 — Vidmar, Milan Sr vs Tartakower, Savielly — 1-0 — Vienna Vienna AUT
1923 — Alekhine, Alexander vs Hutcheson-Stirling M — 1/2-1/2 — sim Portsmouth
1924 — Post, Erhard vs Gruber, Theodor — 1/2-1/2 — Vienna AUT
1927 — Mueller, Hans vs Lokvenc, Josef — 1-0 — Trebitsch mem11
1929 — Alekhine, Alexander vs Tostado, A. — 1/2-1/2 — Mexico City MEX

6…c5 — 7.8% (3438 parties)

1925 — Gruenfeld, Ernst vs Bluemich, Max — 1-0 — Breslau GER
1928 — Barlow, Henry Stephens vs Morrison, John Harold — 1-0 — Tenby
1942 — Junge, Klaus vs Koesler, Erich — 1/2-1/2 — Dresden GER
1944 — Sanguinetti, Renato vs Pelikan, Jorge — 1/2-1/2 — La Plata
1950 — Salm, Maxwell vs Brown Chauran, William Antonio — 1-0 — Queensland ch

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