E62n — King’s Indian: Fianchetto, 6…Nc6 7.O-O

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O * ● Trait aux Noirs

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, b5, d5 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 fou c8 et la tour a8).

Plans. ...Bg4 (Développer Bc8, clouer Nf3) ; ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (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 (2v1), ● d5 (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)	2 (● 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	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1923 Scheveningen – Round 9 – Euwe, Max – 1-0 – Yates, Frederic D – G82 1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O Nc6 7. Nc3 h6 8. e4 Kh7 9. h3 Nd7 10. Be3 e5
1925 Leningrad ch-URS – Round 17 – Levenfish, Grigory – 0-1 – Rabinovich, Alexander – G31 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 Bd7 8. h3 Qc8 9. Kh2 e5 10. Be3 Re8
1925 Marienbad – Round 13 – Bellod Thomas, Gonzalo – 1/2-1/2 – Yates, Frederic D – G85 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. g3 Nc6 6. Bg2 O-O 7. O-O Nd7 8. e4 e5 9. Bg5 f6 10. Be3 exd4
1927 Scarborough Premier 3rd – Round 3 – Buerger, Victor – 1/2-1/2 – Yates, Frederic D – G7 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 Nd7 8. Be3 h6 9. Rc1 e5 10. Nd5 Kh7
1928 The Hague ol (Men) – Round 7 – Rejfir, Josef – 0-1 – Vajda, Arpad – G42 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O Bd7 8. d5 Nb8 9. e4 Qc8 10. Qb3 Na6
1928 West of England Premier 4th – Round 1 – Drewitt, John Arthur – 0-1 – Yates, Frederic D – G1 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nc6 7. d4 Nd7 8. Be3 e5 9. Rc1 exd4 10. Nxd4 Nce5
1934 GER Ch 2nd – Round 2 – Waechter, Paul – 0-1 – Engels, Ludwig – G3 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. c4 Nc6 6. O-O O-O 7. Nc3 Ne8 8. Be3 h6 9. Qd2 Kh7 10. Rad1 Bd7
1939 Rosario – Round 1 – Garcia Vera, Oscar – 0-1 – Eliskases, Erich – G9 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 Re8 8. e4 e5 9. d5 Nd4 10. h3 c5
1942 Moscow Ch – Round 1 – Aramanovich, I – 0-1 – Lisitsin, Georgy – G7 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nc6 7. O-O Nd7 8. b3 e5 9. e3 Re8 10. Bb2 Nf8
1947 Leningrad ch-URS – Round 13 – Lilienthal, Andor – 1-0 – Kasparian, Genrikh – G124 1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Nc6 7. O-O Bd7 8. e4 e5 9. d5 Ne7 10. Ne1 Nh5
1949 Mar del Plata – Round 1 – Letelier Martner, Rene – 0-1 – Iliesco, Juan – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O Nd7 8. b3 e5 9. e3 Re8 10. Bb2 Ne7
1949 Mar del Plata – Round 2 – Maderna, Carlos – 1/2-1/2 – Iliesco, Juan – G34 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. Nc3 Nc6 7. O-O Nd7 8. e4 Nb6 9. Qd3 Bg4 10. Be3 e5
1951 Buenos Aires – Round 13 – Benko, Francisco – 1/2-1/2 – Juarez Baldizon, Carlos A. – G80 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. c4 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 h6 8. Qc2 Bf5 9. e4 Bg4 10. Be3 Bxf3
1951 URS Ch sf Sverdlovsk – Round 15 – Ilivitsky, Georgy A – 1-0 – Koifman, Ilya I – G17 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. Nc3 Nc6 7. O-O Bd7 8. h3 Ne8 9. e4 e5 10. Be3 h6
1954 Buenos Aires – Round 1 – Bianco Esposito, Antonio – 0-1 – San Martin Sanguinetti, Vicente – G2 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. d4 d6 6. O-O Nc6 7. Nc3 Bd7 8. d5 Na5 9. Qd3 c5 10. dxc6 bxc6
1956 Moskou olm – Round 1 – Poulsen, Christian – 1/2-1/2 – Bhend, Edwin – G98 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. d4 Nd7 8. Be3 e5 9. Qd2 Re8 10. Rad1 exd4
1961 Moskou – Round 1 – Cherepkov, Alexander V – 0-1 – Stein, Leon Rico – G43 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O Bd7 8. e4 Bg4 9. Be3 Nd7 10. Qd2 e5
1961 Moskou – Round 1 – Furman, Slavomir – 1-0 – Bannik, Anatolij – G26 1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O Bd7 8. d5 Na5 9. b3 c5 10. Bb2 a6
1962 It IIa Beverwijk NED – Round 3 – Fazekas, Stephan – 0-1 – Barendregt, Johan – G9 1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 Nc6 7. O-O Nd7 8. Be3 e5 9. Qd2 Nb6 10. b3 Bg4
1962 Zuerich Seniors – Round ? – Seitz, Jakob Adolf – 1/2-1/2 – Zimmermann, Otto – G8 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nc6 7. O-O Re8 8. h3 Bd7 9. b3 e5 10. d5 Nd4
1963 CSR Ch – Round 18 – Pachman, Ludek – 1/2-1/2 – Kavalek, Lubomir – G170 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d4 Bd7 8. h3 a6 9. e4 e5 10. d5 Na5
1963 Halle zt – Round 1 – Ivkov, Borislav – 1/2-1/2 – Kavalek, Lubomir – G48 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. Nc3 Bd7 8. d5 Na5 9. Nd2 c5 10. Qc2 e5
1963 Halle zt – Round 1 – Portisch, Lajos – 1/2-1/2 – Robatsch, Karl – G5 1. c4 g6 2. d4 Bg7 3. Nf3 Nf6 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 Nd7 8. Bg5 h6 9. Be3 e5 10. dxe5 Ncxe5
1964 Buenos Aires ch-ARG – Round 1 – Wexler, Bernardo – 1/2-1/2 – Acosta Garcia, Rafael Isaac – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bd7 8. d5 Na5 9. b3 c5 10. Bb2 a6
1964 Tel Aviv olm – Round 1 – Eliskases, Erich – 1-0 – Casa, Alex – G6 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O O-O 6. d4 Nc6 7. Nc3 Na5 8. b3 c5 9. Bb2 Rb8 10. Qc2 Nc6
1964 WchT U26 11. fin-B – Round 7.1 – Hollis, Adrian – 1-0 – Westerinen, Heikki M.J. – G30 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 Nd7 8. h3 e5 9. Bg5 f6 10. Be3 Nb6
1966 La Habana olm prel – Round 1 – Naranja, Renato – 1-0 – Casa, Alex – G3 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nc6 7. O-O Na5 8. b3 c5 9. Bb2 a6 10. dxc5 dxc5
1967 It II Beverwijk NED – Round 11 – Sandor, Bela – 1-0 – Bredewout, Henk – G22 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 Bd7 8. h3 a6 9. Be3 Rb8 10. d5 Na5
1968 Bristol ch-BCF – Round 6 – Hollis, Adrian – 1-0 – Speed, Graham – G65 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 Na5 8. b3 c5 9. Bb2 a6 10. Qd2 Rb8
1969 WchT U26 fin-A 16th – Round 4.2 – Zara, Dan – 0-1 – Martinovic, Slobodan – G27 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O Bd7 8. h3 e5 9. dxe5 dxe5 10. Be3 Qc8
1969 Yugoslavia – Round 3.5 – Despotovic, Momcilo – 0-1 – Velimirovic, Dragoljub – G28 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. d4 Nc6 7. O-O Bd7 8. d5 Na5 9. Nd2 c5 10. Qc2 e5
Interpolis 1981 – Round 1 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris V. – G25 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O Bd7 8. d5 Na5 9. Nd2 c6 10. dxc6 Bxc6
World Blitz 2019 – Round 17.40 – Cheparinov, Ivan – 1-0 – Bologan, Victor – G1149 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 O-O 6. Nc3 Nc6 7. O-O Bd7 8. b3 a6 9. d5 Na5 10. Bd2 c5
World Blitz 2019 – Round 20.32 – Nikolov, Nikolay Petrov – 1/2-1/2 – Kamsky, Gata – G1349 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 d6 5. d4 O-O 6. Nf3 Nc6 7. O-O a5 8. Bf4 a4 9. d5 Na5 10. Qxa4 Bd7
World Blitz Final 2012 – Round 14 – Le, Quang Liem – 0-1 – Chadaev, Nikolai – G104 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O Bd7 8. h3 Qc8 9. Kh2 e5 10. d5 Nd4

E62n — Fianchetto

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O

Les coups candidats

7…a6 — 55.9% (17060 parties) →

Ambassadeurs : Bodnaruk, Anastasia (55x), Bologan, Victor (54x), Romanishin, Oleg M (38x), Grabarczyk, Miroslaw (34x), Belyakov, Bogdan (34x), Zapata, Alonso (31x), Konopka, Michal (31x), Shirov, Alexei (28x)

7…e5 — 18.4% (5609 parties) →

Ambassadeurs : Onyshchuk, Volodymyr (31x), Kulon, Klaudia (28x), Nurkic, Sahbaz (22x), Uhlmann, Wolfgang (20x), Gonzaga Grego, Luís (17x), Mestrovic, Zvonimir (16x), Dvoretzky, Mark (15x), Bodnaruk, Anastasia (12x)

7…Bf5 — 10.6% (3235 parties) →

Ambassadeurs : Grivas, Efstratios (32x), Smirin, Ilia (27x), Hvenekilde, Jorgen (22x), Reich, Thomas (22x), Westerinen, Heikki M.J. (22x), Rasik, Vitezslav (21x), Damljanovic, Branko (18x), Murey, Jacob (17x)

7…Bg4 — 7.0% (2150 parties) →

Ambassadeurs : Markovic, Miroslav (17x), Socko, Monika (17x), Socko, Bartosz (15x), Taimanov, Mark (13x), Westerinen, Heikki M.J. (12x), Kanarek, Marcel (10x), Velimirovic, Dragoljub (9x), Ilincic, Zlatko (9x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…a6	7…e5	7…Bf5	7…Bg4
<1800	435	43%	31%	7%	6%
1800-2200	8860	57%	20%	9%	6%
2200-2600	16719	57%	16%	12%	7%
2600+	629	52%	15%	13%	4%

Évolution par décennie (% des parties)

Décennie	N parties	7…a6	7…e5	7…Bf5	7…Bg4
1810s	1	—	100%	—	—
1920s	13	—	15%	—	8%
1930s	14	—	43%	—	43%
1940s	14	—	64%	—	7%
1950s	358	42%	27%	2%	20%
1960s	681	37%	26%	10%	20%
1970s	959	55%	16%	5%	18%
1980s	1565	65%	12%	6%	10%
1990s	4421	55%	20%	9%	7%
2000s	6483	58%	17%	11%	5%
2010s	13111	59%	15%	12%	6%
2020s	2901	43%	36%	10%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…a6	59%	43%	▼ -16.0%
7…e5	15%	36%	▲ +21.1%
7…Bf5	12%	10%	▼ -1.9%
7…Bg4	6%	6%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Ding, Liren — 10 parties
Ju, Wenjun — 10 parties
Carlsen, Magnus — 9 parties
Smyslov, Vladimir — 7 parties
Euwe, Max — 5 parties
Anand, Viswanathan — 5 parties
Kasparov, Garry — 4 parties
Botvinnik, Mikhail — 3 parties
Gukesh D — 3 parties
Hou, Yifan — 1 partie

Parties historiques

7…a6 — 55.9% (17060 parties)

1952 — Fridstein, German vs Chaplinsky, Edgar — 0-1 — Riga LAT
1952 — Koblencs, Alexander vs Ilivitsky, Georgy A — 0-1 — Riga LAT
1955 — Dittmann, Sieghart vs Uhlmann, Wolfgang — 1/2-1/2 — Erfurt GER
1955 — Urbanec, Karel vs Stulik, Vlastimil — 1-0 — Prague CZE
1955 — Ilivitsky, Georgy A vs Pilnik, Herman — 1/2-1/2 — Goteborg SWE

7…e5 — 18.4% (5609 parties)

1811 — Romanishin, Oleg M vs Grunberg, H.U. — 1-0 — Dresden GER
1925 — Zander, Otto vs Koenig, Imre — 1-0 — Berlin/Budapest/Prag/Wien
1925 — Garcia Conde, Adrian vs Morrison, John Harold — 1-0 — Scarborough ENG
1933 — Abramavicius, Leonhard vs Simonson, Albert — 0-1 — Folkestone ENG
1935 — Taube, Herbert vs Huebener, Joachim U G — 0-1 — Hamburg GER

7…Bf5 — 10.6% (3235 parties)

1955 — Lebedev, Boris vs Borisenko, Georgy K — 0-1 — Riga LAT
1955 — Donner, Jan-Hein vs Spassky, Boris V. — 0-1 — Goteborg SWE
1955 — Najdorf, Miguel vs Spassky, Boris V. — 1-0 — Goteborg SWE
1956 — Korchnoi, Viktor vs Tolush, Alexander — 1/2-1/2 — Leningrad ch-URS
1957 — Krebs, Hans vs Borisenko, Georgy K — 1/2-1/2 — ?

7…Bg4 — 7.0% (2150 parties)

1928 — Lichtenstein, Bernhard vs Kmoch, Hans — 1/2-1/2 — Vienna AUT
1936 — Capablanca, Jose vs Tylor, Theodore — 1-0 — Nottingham ENG
1936 — Capablanca, Jose vs Tylor, Theodore Henry — 1-0 — Nottingham ENG
1936 — Herzog, Franz vs Elstner, Rudolf — 1/2-1/2 — Liberec
1938 — Becker, Albert vs Lange, Wilfried — 0-1 — Karlsruhe GER

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