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 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. Jeu au centre (rupture c6-c5).

Atouts. Les Noirs s'appuient sur 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. ...c5 (Rupture) ; ...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	● 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 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c6-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

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

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 — 56.0% (4857 parties)

Ambassadeurs : Borriss, Claudia (14x), Loginov, Valery A (9x), Barlov, Dragan (9x), Pigusov, Evgeny (7x), Blechzin, Igor (7x), Davis, Lee (7x), Fancsy, Imre (6x), Padevsky, Nikola (5x)

8.h3 — 13.0% (1129 parties)

Ambassadeurs : Kock, Hans-Uwe (7x), Eckhardt, Claudia (6x), Shaydullina, Sandugach (6x), Timar, Zsolt (5x), Banduka, Zeljko (5x), Garcia Orus, Francisco (4x), Horvath, Peter (4x), Linqvist, Grels (4x)

8.Qc2 — 12.4% (1072 parties)

Ambassadeurs : Rossi, Giampiero (10x), Arkell, Keith C (5x), Kchouk, Bechir (4x), Mochalov, Evgeny V (4x), Samuelsson, Sven-Gunnar (3x), Maiwald, Jens-Uwe (3x), Krueger, Thomas (3x), Szwarc, Pawel (3x)

8.b3 — 8.8% (765 parties)

Ambassadeurs : Kekki, Jorma (5x), Reefschlaeger, Helmut, Dr. (4x), Liebert, Heinz (4x), Koltanowski, George (3x), Vencl, Jiri (3x), Ristoja, Samu (3x), Hasek, Vaclav (3x), Poscente, Davide (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	313	54%	7%	10%	8%
1800-2200	4089	54%	14%	13%	10%
2200-2600	2370	62%	14%	10%	8%
2600+	17	65%	12%	12%	6%

Évolution par décennie (% des parties)

Décennie	N parties	8.e4	8.h3	8.Qc2	8.b3
1910s	1	100%	—	—	—
1920s	9	—	44%	11%	22%
1930s	16	25%	—	25%	38%
1940s	11	45%	18%	9%	18%
1950s	67	48%	19%	24%	3%
1960s	134	54%	10%	22%	7%
1970s	224	61%	8%	15%	11%
1980s	399	59%	12%	14%	8%
1990s	2080	54%	16%	13%	8%
2000s	2465	55%	13%	12%	8%
2010s	2893	57%	12%	12%	10%
2020s	379	66%	10%	9%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.e4	57%	66%	▲ +9.8%
8.h3	12%	10%	▼ -1.4%
8.Qc2	12%	9%	▼ -2.4%
8.b3	10%	7%	▼ -2.1%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 3 parties
Karpov, Anatoly — 3 parties
Smyslov, Vladimir — 2 parties
Alekhine, Alexander — 1 partie
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie

Parties historiques

8.e4 — 56.0% (4857 parties)

1917 — Vidmar, Milan Sr vs Tartakower, Savielly — 1-0 — Vienna Vienna AUT
1931 — Podolny, Grigory Abramovich vs Sozin, Veniamin — 0-1 — Moscow RUS
1933 — Fairhurst, William vs Goldberg, Alexander, Dr. — 1-0 — Edinburgh SCO
1936 — Reiter, Hans Ernst1 vs Schoenmann, Wilhelm — 0-1 — Liberec
1937 — Dyner, Israel Boruch vs Koltanowski, George — 1/2-1/2 — Ostende

8.h3 — 13.0% (1129 parties)

1927 — Mueller, Hans vs Duenmann, Arthur — 1-0 — Vienna AUT
1929 — Rubinstein, Akiba vs Tylor, Theodore Henry — 1-0 — Ramsgate schev
1929 — Rubinstein, Akiba vs Tylor, J. — 1-0 — Ramsgate
1929 — Rubinstein, Akiba vs Brown Taylor, Pablo — 1-0 — Ramsgate
1943 — Eliskases, Erich vs Rabinovici, Pinea — 1-0 — Rio de Janeiro BRA

8.Qc2 — 12.4% (1072 parties)

1927 — Thelen, Bedrich vs Pokorny, Amos — 0-1 — Ceske Budejovice CZE
1931 — Glass, Eduard vs Lokvenc, Josef — 1/2-1/2 — Trebitsch mem14
1931 — Goldstein, Maurice Edwards vs Watson, Charles — 0-1 — Melbourne AUS
1933 — Goglidze, Viktor vs Kasparian, Genrikh — 0-1 — Tbilisi GEO
1934 — Dryer, Karli vs Koltanowski, George — 0-1 — Antwerp BEL

8.b3 — 8.8% (765 parties)

1924 — Post, Erhard vs Gruber, Theodor — 1/2-1/2 — Vienna AUT
1924 — Apscheneek, Fritzis vs Havasi, Kornel — 0-1 — Paris FRA
1934 — Shernetsky, Issidor vs Koltanowski, George — 0-1 — Antwerp BEL
1934 — Walter, Max vs Koltanowski, George — 1-0 — Hastings, White Rock Pavilion
1935 — Ribera Arnal, Angel vs Koltanowski, George — 0-1 — Barcelona ESP

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