E94v — King’s Indian: 7.O-O Nbd7 8.Be3 Ng4

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Be3 Ng4 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5, d5 et g5, un fou actif en e3 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

Plans. h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture c7-c6).

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Le fou enfermé en e2.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture) ; ...f6 (Rupture) ; ...f5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→e5, c7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (3v0), ● g5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (3v1), ● d5 (3v0), ● e4 (1v0)	● e5 (4v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Enfermé (mob. 1)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	1 (● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● d4-d5	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …f7-f6, ● …f7-f5

Partie
1947 GBR Ch 34th – Round 5 – Abrahams, Gerald – 0-1 – Newman, Richard Hilary – G24 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bh4 Nh6
1953 Mar del Plata – Round 15 – Shocron, Ruben – 0-1 – Najdorf, Miguel – G151 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. Be3 Nbd7 8. O-O Ng4 9. Bg5 f6 10. Bh4 Nh6
1954 Mar del Plata – Round 11 – Benko, Francisco – 1-0 – Fernandez Humerez, Luis Felipe – G88 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1954 Mar del Plata – Round 18 – Castillo Larenas, Mariano – 0-1 – Najdorf, Miguel – G134 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1954 Mar del Plata/B.Aires zt it-17 – Round 11 – Benko, Francisco – 1-0 – Humerez Estrada, Cidar – G11 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1954 Prague zt Prague CZE – Round 15 – Kluger, Gyula – 0-1 – Balanel, Ion – G50 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1955 URS-USA telex – Round 4 – Kevitz, Alexander – 0-1 – Kotov, Alexander A – G11 1. Nf3 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nd7 5. e4 e5 6. Be2 Nh6 7. O-O O-O 8. Be3 Ng4 9. Bg5 f6 10. Bd2 c6
1957 Dublin zt – Round 7 – Giustolisi, Alberto – 1-0 – O'Sullivan, Donal – G53 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Re8
1962 New York ch-USA – Round 4 – Reshevsky, Samuel – 1/2-1/2 – Byrne, Ray – G19 1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. Be3 Nbd7 8. O-O Ng4 9. Bg5 f6 10. Bd2 Nh6
1962 Stockholm Interzonal – Round 7 – Bilek, Istvan – 1-0 – Gligorić, Svetozar – G59 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O Ng4 9. Bg5 f6 10. Bh4 Nh6
1963 Club Argentino – Round 7 – Bielicki, Carlos – 1/2-1/2 – Castaneda Cruz, Raul – G30 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Be3 Ng4 9. Bg5 f6 10. Bh4 Nh6
1963 Sarajevo – Round 1 – Simagin, Vladimir – 1/2-1/2 – Bogdanovic, Radivoje – G3 1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Be3 Ng4 9. Bg5 f6 10. Bh4 c6
1966 Titovo Uzice – Round 1 – Gligorić, Svetozar – 1-0 – Tringov, Georgi P – G28 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O Ng4 9. Bg5 f6 10. Bh4 Nh6
1967 Mar del Plata Open – Round 8 – Alcaraz Suarez, Juan Camilo – 0-1 – Najdorf, Miguel – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1968 Cardenas/Matanzas/Santa Clara – Round 5 – Ader Hausman, Walter – 1/2-1/2 – Yepez, Olavo – G25 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bh4 Nh6
1968 DDR Ch 17th – Round 1 – Baumbach, Friedrich, Dr. – 1-0 – Schmitz, Bernd – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Be3 Ng4 9. Bg5 f6 10. Bh4 h5
1968 Yugoslavia – Round 1 – Bukic, Enver – 1-0 – Marovic, Drazen – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O Ng4 9. Bg5 f6 10. Bh4 Nh6
1969 Luhacovice – Round 5 – Hort, Vlastimil – 1-0 – Beni, Alfred – G49 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O Ng4 9. Bg5 f6 10. Bh4 g5
1969 POL Ch 26th – Round 5 – Adamski, Jan – 1/2-1/2 – Szukszta, Janus – G18 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Ng4 9. Bg5 f6 10. Bh4 c6
1969 US Open – Round 3 – Byrne, Ray – 1-0 – Wozney, Tom – G7 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bd2 a5
1969 Vidmar Memorial – Round 12 – Bajec, Ivo – 0-1 – Tringov, Georgi P – G38 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O Ng4 9. Bg5 f6 10. Bd2 Nh6
1969 Zalaegerszeg – Round 1 – Flesch, Janos – 0-1 – Gesos, Pavlos – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 Nbd7 7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bh4 h5
41. Olympiad Open 2014 – Round 2.5 – Illingworth, Max – 1/2-1/2 – Movsesian, Sergei – G152 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 g6 5. e4 e5 6. Be2 Bg7 7. O-O O-O 8. Be3 Ng4 9. Bg5 f6 10. Bh4 Nh6
World Blitz 2016 – Round 19.26 – Jumabayev, Rinat – 0-1 – Amonatov, Farrukh – G752 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nbd7 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6

E94v —

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Be3 Ng4

Eval: [+0.80]

Les coups candidats

9.Bg5 — 98.9% (1298 parties)

Ambassadeurs : Knaak, Rainer (14x), Heinig, Wolfram, Dr. (12x), Saltaev, Mihail (9x), Adamski, Jan (8x), Zapata, Alonso (8x), Uhlmann, Wolfgang (6x), Bielczyk, Jacek (5x), Ciocaltea, Victor (5x)

9.Qd2 — 0.4% (5 parties)

Ambassadeurs : Brown, Kevin (1x), Barbeau, Sylvain (1x), Gueye, Gorgui (1x), Puri, Vinny (1x), Garms, Ilse (1x), Didzuhn, Werner, Dr. (1x), Hagiel, Slawomir (1x), Kasperlik, Adam (1x)

9.h3 — 0.2% (3 parties)

Ambassadeurs : Kubica, Viktor (1x), Simon, Lukas (1x), Marks, Piotr (1x), Papka, Sebastian (1x), Tran, Nhat Phuong (1x), Tantipura, Noppakorn (1x)

9.Bc1 — 0.2% (3 parties)

Ambassadeurs : Fructuoso, Vincent (1x), Termeulen, Albert (1x), Yu, Kaifeng (1x), Liu, Qingnan (1x), Senevirathne, A M L M (1x), Pradeep Kumar R A (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Bg5	9.Qd2	9.h3	9.Bc1
<1800	23	87%	4%	—	4%
1800-2200	361	98%	1%	1%	0%
2200-2600	720	100%	—	—	0%
2600+	9	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Bg5	9.Qd2	9.h3	9.Bc1
1940s	1	100%	—	—	—
1950s	8	100%	—	—	—
1960s	28	100%	—	—	—
1970s	51	98%	2%	—	—
1980s	113	99%	1%	—	—
1990s	245	100%	—	0%	—
2000s	381	98%	1%	0%	0%
2010s	372	99%	—	0%	1%
2020s	114	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Bg5	99%	100%	▲ +1.1%
9.Qd2	0%	0%	+0.0%
9.h3	0%	0%	-0.3%
9.Bc1	1%	0%	▼ -0.5%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 1 partie

Parties historiques

9.Bg5 — 98.9% (1298 parties)

1947 — Abrahams, Gerald vs Newman, Richard Hilary — 0-1 — Harrogate
1953 — Shocron, Ruben vs Najdorf, Miguel — 0-1 — Mar del Plata ARG
1954 — Castillo Larenas, Mariano vs Najdorf, Miguel — 0-1 — Mar del Plata ARG
1954 — Kluger, Gyula vs Balanel, Ion — 0-1 — Prague zt Prague CZE
1954 — De Carvalho Machado, Fernando vs Najdorf, M. — 0-1 — Montevideo URU

9.Qd2 — 0.4% (5 parties)

1978 — Brown, Kevin vs Barbeau, Sylvain — 0-1 — Hamilton CAN
1985 — Gueye, Gorgui vs Puri, Vinny — 0-1 — Wch U20 Sharjah
2003 — Garms, Ilse vs Didzuhn, Werner, Dr. — 0-1 — Lindow
2005 — Tan, Kia Hua vs Ahmad, Md Siraj Munir — 1/2-1/2 — Thailand
2007 — Hagiel, Slawomir vs Kasperlik, Adam — 0-1 — Poland

9.h3 — 0.2% (3 parties)

1999 — Kubica, Viktor vs Simon, Lukas — 0-1 — Komarno
2006 — Marks, Piotr vs Papka, Sebastian — 1/2-1/2 — Poland
2018 — Tran, Nhat Phuong vs Tantipura, Noppakorn — 0-1 — Vientiane LAO

9.Bc1 — 0.2% (3 parties)

2004 — Fructuoso, Vincent vs Termeulen, Albert — 0-1 — Leiden NED
2015 — Yu, Kaifeng vs Liu, Qingnan — 0-1 — Zhongshan CHN
2016 — Senevirathne, A M L M vs Pradeep Kumar R A — 0-1 — Negombo

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