E90a — King’s Indian: 5.Nf3

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

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

Côté adverse. Les fous enfermés en g7 et c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. Bg5 (Clouer Nf6) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur la case forte g4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (3v1), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (3v1), ● e5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	4 (● b8, ● c8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e4-e5	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1907 BCF Ch 4th – Round 7 – Palmer, Wilfred Charles – 1-0 – Mackenzie, Arthur J – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Bf4 O-O 7. Bd3 Nh5 8. Be3 e5 9. Qd2 exd4 10. Nxd4 Ne5
1923 Trieste – Round 7 – Tarrasch, Siegbert – 1-0 – Yates, Frederic D – G36 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nc6 6. h3 O-O 7. Be3 e5 8. d5 Nb8 9. Qd2 Nbd7 10. Bd3 a5
1925 BCF Ch 18th – Round 11 – Atkins, Henry Ernest – 1/2-1/2 – Saunders, Harold – G43 1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Nf3 Nc6 6. h3 O-O 7. Be3 Nd7 8. Qd2 e5 9. d5 Ncb8 10. Bh6 f5
1925 Hastings Premier /26 6th – Round 1 – Seitz, Jakob Adolf – 1-0 – Yates, Frederic D – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nc6 6. h3 O-O 7. Be3 Nd7 8. Qd2 e5 9. d5 Ncb8 10. g4 a5
1926 Semmering – Round 1 – Davidson, Jacques – 0-1 – Yates, Frederic D – G59 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nc6 6. h3 O-O 7. Be3 Nd7 8. Qd2 e5 9. d5 Ncb8 10. O-O-O a5
1928 Kautsky mem5 – Round ? – Dobias, Josef – 1-0 – Vlcek, Jakub – G7 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Nbd7 5. e4 Bg7 6. h3 e5 7. Be3 O-O 8. Qd2 exd4 9. Nxd4 Re8 10. f3 Ne5
1936 ARG Team Ch – Round 2 – Villegas, Benito – 1-0 – Pasero, Paolina – G5 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 Nbd7 6. h3 e5 7. d5 Nc5 8. Qc2 a5 9. Be3 b6 10. Nd2 O-O
1936 Mar del Plata – Round 15 – Pleci, Isaias – 1-0 – Concepcion Villegas, Bryan Uriel – G104 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 Nc6 6. Bg5 h6 7. Bf4 Bg4 8. Be2 Bxf3 9. gxf3 e5 10. Be3 exd4
1936 Trebitsch mem19 – Round 12 – Weinstock, Karl – 0-1 – Opocensky, Karel – G36 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 c5 7. O-O O-O 8. d5 b5 9. cxb5 a6 10. bxa6 Bxa6
1946 Moscow RUS – Round 1 – Solntsev, Yury – 0-1 – Bronstein, David I – G16 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nbd7 6. h3 e5 7. Be3 exd4 8. Nxd4 O-O 9. Nde2 Re8 10. Qc2 Nc5
1946 POL Ch – Round 14 – Czerniakow, Sergiusz – 0-1 – Plater, Kazimierz – G79 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Bg5 e5 7. dxe5 dxe5 8. Qc2 c6 9. Be2 O-O 10. Rd1 Qc7
1946 Zaanstreek – Round 3 – Soultanbeieff, Victor – 0-1 – Christoffel, Martin – G19 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 e5 7. dxe5 dxe5 8. O-O O-O 9. b3 c6 10. Bb2 Qc7
1946 Zagreb ch-YUG – Round 11 – Pirc, Vasja – 1-0 – Tot, Bora – G4 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 g6 5. e4 e5 6. Be2 Bg7 7. O-O exd4 8. Nxd4 O-O 9. Be3 Re8 10. f3 Nb6
1949 Moskou ch-URS – Round 1 – Mikenas, Vladas – 0-1 – Aronin, Lev – G74 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. e5 dxe5 7. dxe5 Ng4 8. e6 fxe6 9. Ng5 Nde5 10. Qxd8+ Kxd8
1949 Southsea – Round 8 – Rossolimo, Nicolas – 1-0 – Wood, Gabriel – G22 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 e5 7. d5 a5 8. Qc2 Nc5 9. Be3 Ng4 10. Bxc5 dxc5
1957 FRG Ch U20 – Round 2 – Pfleger, Helmut, Dr. – 1/2-1/2 – Hofmeister, G. – G2 1. c4 Nf6 2. Nf3 g6 3. Nc3 d6 4. d4 Bg7 5. e4 Nc6 6. Be2 e6 7. O-O O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1957 URS Ch, semi final – Round 16 – Kaminsky, Oleg – 1/2-1/2 – Tarasov, Vitaly – G152 1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 O-O 7. h3 e6 8. Nf3 exd5 9. exd5 Nbd7 10. O-O Ne8
1959 URS Team Ch – Round 1 – Smyslov, Vladimir – 1-0 – Karadshaev – G10 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Bd3 e5 7. d5 a5 8. O-O Nc5 9. Bc2 O-O 10. a3 b6
1960 Aalborg – Round 3 – Hamann, Svend – 0-1 – From, Sigfred – G35 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Bg5 c6 7. Be2 h6 8. Bh4 O-O 9. O-O Qb6 10. Rb1 e5
1960 Leipzig olm prel – Round 2 – Doda, Zbigniew – 1-0 – Palmiotto, Fiorentino – G38 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 d6 5. e4 Nbd7 6. Be2 e5 7. O-O exd4 8. Nxd4 Nc5 9. f3 O-O 10. Rb1 a5
1961 Belgrade – Round 1 – Geller, Efim P – 1/2-1/2 – Udovcic, Mijo – G9 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. O-O exd4 8. Nxd4 O-O 9. Re1 Re8 10. Bf1 Nc5
1961 Budapest ch-HUN – Round 1 – Portisch, Lajos – 1-0 – Szollosi, Laszlo – G45 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 c5 7. d5 O-O 8. O-O b5 9. cxb5 a6 10. Qc2 axb5
1961 Leicestershire Centenary – Round 4 – Lenton, Alfred – 0-1 – Gligorić, Svetozar – G10 1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. Nc3 e5 5. e4 g6 6. Be2 Bg7 7. dxe5 dxe5 8. O-O O-O 9. Qc2 c6 10. b3 Qe7
1961 Oberhausen etc – Round 10 – Saborido Carre, Rafael – 1/2-1/2 – Hort, Vlastimil – G245 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. e5 dxe5 7. dxe5 Ng4 8. e6 fxe6 9. Ng5 Nde5 10. Qxd8+ Kxd8
1964 Buenos Aires Ch – Round ? – Garcia Rodriguez, Raimundo – 1-0 – Reinhardt, Enrique – G24 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 a6 6. Be2 c6 7. O-O O-O 8. d5 Qc7 9. Bf4 Nh5 10. Bg5 e5
1964 CSR Ch Army Prague CZE – Round 17 – Zajic, Jiri – 1-0 – Kollar, Jan – G16 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 g6 6. Be2 Bg7 7. Bg5 c6 8. Qd2 Qa5 9. O-O O-O 10. Rfe1 Re8
1968 Belgrade – Round 1 – Yoffie, Marc – 1-0 – Janosevic, Dragoljub – G23 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. h3 e6 7. Bd3 exd5 8. exd5 O-O 9. Nf3 Na6 10. O-O Nc7
1970 IBM – Round 11 – Jongsma, Alexander – 1/2-1/2 – Scholl, Eddie C – G35 1. d4 g6 2. Nf3 Bg7 3. c4 c5 4. d5 d6 5. Nc3 Nf6 6. e4 O-O 7. h3 e5 8. dxe6 Bxe6 9. Bd3 Nc6 10. O-O a6
1970 IBM – Round 6 – Uhlmann, Wolfgang – 1-0 – Hartoch, Robert G – G38 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Nf3 O-O 7. Bg5 h6 8. Bf4 g5 9. Bg3 Nh5 10. Be2 Nxg3
1970 Vinkovci – Round 2 – Larsen, Bent – 1-0 – Tomic, Dalibor – G47 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. h3 e5 7. d5 c5 8. g4 Nbd7 9. a3 a6 10. Be3 Ne8
1972 San Antonio – Round 14 – Larsen, Bent – 1/2-1/2 – Gligoric, Svetozar – G15 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. h3 O-O 6. Bg5 Nbd7 7. Nf3 e5 8. d5 a5 9. g4 Nc5 10. Nd2 c6
1973 Leningrad Interzonal – Round 1 – Gligoric, Sofija – 1/2-1/2 – Byrne, Robert – G56 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. h3 e5 7. d5 Na6 8. Be3 Nc5 9. Nd2 a5 10. Be2 Ne8
1973 Leningrad Interzonal – Round 6 – Larsen, Bent – 1-0 – Huebner, Robert – G142 1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. Nc3 O-O 5. e4 d6 6. Be3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 c6
1974 Manila – Round 1 – Gheorghiu, Florin – 1-0 – Andersson, Ulf – G43 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 O-O 7. h3 e6 8. Nf3 exd5 9. exd5 Re8+ 10. Be3 Bh6
1974 Manila – Round 13 – Portisch, Lajos – 0-1 – Kavalek, Lubomir – G15 1. c4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Bd3 O-O 7. h3 e6 8. Nf3 exd5 9. exd5 Re8+ 10. Be3 Nbd7
1974 Manila – Round 3 – Gheorghiu, Florin – 1-0 – Andersson, Ulf – G44 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. h3 e6 8. Nf3 exd5 9. exd5 Re8+ 10. Be3 Bh6
1975 Portoroz/Ljubljana – Round 12 – Furman, Slavomir – 1/2-1/2 – Karnar, Marijan – G25 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. h3 e5 8. Bg5 h6 9. Be3 Kh7 10. g4 a6
1975 Portoroz/Ljubljana – Round 8 – Garcia Martinez, Silvino – 1/2-1/2 – Karnar, Marijan – G22 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 O-O 6. Nf3 d6 7. h3 e5 8. g4 a6 9. a4 Ne8 10. Bg5 f6
Lindores Abbey Tal Memorial 2021 – Round 1.43 – Budisavljevic, Luka – 0-1 – Deac, Bogdan-Daniel – G38 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 e5 6. Be2 Ngf6 7. Be3 c6 8. d5 c5 9. Nd2 h5 10. Nb5 Qb6
World Blitz 2015 – Round 18.52 – Demuth, Adrien – 1-0 – Bologan, Victor – G1140 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 Nbd7 6. h3 e5 7. d5 Nc5 8. Qc2 a5 9. Be3 O-O 10. g4 c6
World Blitz 2015 – Round 5.51 – Jumabayev, Rinat – 1-0 – Shchekachev, Andrei – G318 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nd7 5. e4 e5 6. Be2 Ngf6 7. d5 Nc5 8. Qc2 a5 9. Be3 O-O 10. Nd2 Ng4
World Blitz Final 2012 – Round 21 – Mamedyarov, Shakhriyar – 1-0 – Bologan, Victor – G160 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 e5 6. Nf3 Nbd7 7. d5 Nc5 8. Qc2 a5 9. Be3 Ng4 10. Bd2 Bh6

E90a —

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3

Les coups candidats

5…O-O — 96.3% (120394 parties) →

Ambassadeurs : Van Wely, Loek (275x), Damljanovic, Branko (242x), Kozul, Zdenko (241x), Pogorelov, Ruslan (155x), Babula, Vlastimil (144x), Uhlmann, Wolfgang (132x), ? (128x), Sakic, Radislav (124x)

5…Bg4 — 1.3% (1643 parties) →

Ambassadeurs : Zueger, Beat (31x), Westerinen, Heikki M.J. (29x), Vontina, Maria (15x), Krause, Christian (11x), Lipecki, Alexander (11x), Pantelic, Sasa (11x), Kolanek, Roman (7x), Al Azmi, Khalaf (6x)

5…Nbd7 — 1.1% (1370 parties) →

Ambassadeurs : Grivas, Efstratios (4x), Palmiotto, Fiorentino (3x), Stimpel, Franz (3x), Salman Mahini, Mona (3x), Villegas, Benito (2x), Eliskases, Erich (2x), Castro de Mendoza Rene (2x), Wood, Gabriel (2x)

5…c6 — 0.4% (539 parties)

Ambassadeurs : Duran, Tomas (5x), Kuba, Stanislav (5x), Wiszniowski, Eugeniusz (3x), Krizek, Frantisek (3x), Fries-Nielsen, Niels Jorgen (2x), Hafner, Robert (2x), Tochtermann, Georg, Dr. (2x), Harlamidi (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…O-O	5…Bg4	5…Nbd7	5…c6
<1800	3605	90%	3%	3%	1%
1800-2200	38831	95%	1%	1%	1%
2200-2600	57738	99%	1%	0%	0%
2600+	2302	99%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5…O-O	5…Bg4	5…Nbd7	5…c6
1850s	2	100%	—	—	—
1890s	1	—	—	100%	—
1900s	1	—	—	100%	—
1910s	4	50%	50%	—	—
1920s	48	73%	6%	6%	—
1930s	92	75%	4%	16%	—
1940s	134	84%	3%	12%	1%
1950s	581	93%	2%	4%	0%
1960s	1140	96%	2%	1%	0%
1970s	1909	97%	1%	1%	0%
1980s	4984	97%	1%	1%	0%
1990s	24676	96%	1%	1%	0%
2000s	36214	96%	1%	1%	1%
2010s	45582	97%	1%	1%	0%
2020s	9663	96%	2%	1%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…O-O	97%	96%	▼ -0.9%
5…Bg4	1%	2%	▲ +1.0%
5…Nbd7	1%	1%	+0.1%
5…c6	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Euwe, Max — 8 parties
Fischer, Robert James — 1 partie
Hou, Yifan — 1 partie

Parties historiques

5…O-O — 96.3% (120394 parties)

1855 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1855 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 0-1 — Calcutta IND
1912 — Michell, Reginald vs Te Kolste, Jan Willem — 1-0 — London ENG
1914 — Réti, Richard vs Krejcik, Jiri — 1/2-1/2 — Vienna AUT
1922 — Guillen Watson, Cesar Augusto vs Marotti, Davide — 1-0 — London ENG

5…Bg4 — 1.3% (1643 parties)

1919 — Rubinstein, Akiba vs Reti, Richard — 1/2-1/2 — Stockholm SWE
1919 — Rubinstein, Akiba vs Reti, Richard — 1-0 — Stockholm SWE
1924 — Gruenfeld, Ernst vs Nemethne Takacs, Gyongyi — 0-1 — Meran ITA
1925 — Thoms, Henry James Macthom vs Salmony, Friedrich — 1-0 — Stratford-upon-Avon
1929 — Chekhover, Vitaly vs Zek, I. — 1-0 — Leningrad RUS

5…Nbd7 — 1.1% (1370 parties)

1899 — Trimborn, Cornelius vs Atkins, Henry Ernest — 0-1 — Amsterdam NED
1907 — Palmer, Wilfred Charles vs Mackenzie, Arthur J — 1-0 — Crystal Palace
1924 — Villegas, Benito vs De Witt, Rodolfo — 0-1 — Buenos Aires ARG
1928 — Marin y Llovet, Valentin vs Apscheneek, Fricis — 0-1 — The Hague NED
1929 — Najdorf, Miguel vs Czerniak, Moshe — 0-1 — Warsaw POL

5…c6 — 0.4% (539 parties)

1946 — Pomar Salamanca, Arturo vs List, Paul — 1-0 — Londen I
1957 — Koska, Josef vs Macura, Emil — 1-0 — Brno CZE
1961 — Ferrantes, G. vs Barbulovic, B. — 1/2-1/2 — Portoroz SLO
1968 — Schaufelberger, Heinz vs Nehmert, Ulrich — 1-0 — Meldorf
1969 — Botez, Constantin vs Fischer, Johann — 1/2-1/2 — Bucharest ROU

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