E94u — King’s Indian: 7.O-O Nbd7 8.Be3

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 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, case forte d5, case forte g5, Be3 actif, paire de fous.
Faiblesses adverses : arriéré f7, Bg7 enfermé, Bc8 enfermé.
Problèmes : Be2 enfermé.
Plans :
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Be2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré f7.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c6 — Rupture
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E94u —

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

Eval: [+0.71]

Les coups candidats

8…c6 — 27.5% (1986 parties) →

Ambassadeurs : Knaak, Rainer (26x), Uhlmann, Wolfgang (24x), Casper, Thomas (20x), Vogt, Lothar (15x), Kovalevskaya, Ekaterina (15x), Kozul, Zdenko (14x), Chekhov, Valery A (13x), Bielczyk, Jacek (10x)

8…Re8 — 20.6% (1488 parties) →

Ambassadeurs : McNab, Colin A (28x), Nevednichy, Vladislav (16x), Agrest, Inna (13x), Kanarek, Marcel (12x), Komliakov, Viktor (11x), Thompson, Brian (11x), Bologan, Victor (11x), Shishkin, Vadim (7x)

8…Ng4 — 18.2% (1313 parties) →

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

8…Qe7 — 11.5% (832 parties)

Ambassadeurs : Libiszewski, Fabien (11x), Maroroa Jones, Gawain C B (10x), McNab, Colin A (9x), Smirin, Ilia (9x), Berg, Edvard Vallestrand (8x), Nenezic, Marko (7x), Kochyev, Alexander (6x), Solonar, Stefan (6x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…c6	8…Re8	8…Ng4	8…Qe7
<1800	113	16%	25%	20%	6%
1800-2200	1911	26%	20%	19%	8%
2200-2600	4144	28%	22%	17%	14%
2600+	139	22%	27%	6%	32%

Évolution par décennie (% des parties)

Décennie	N parties	8…c6	8…Re8	8…Ng4	8…Qe7
1940s	5	40%	40%	20%	—
1950s	22	27%	18%	32%	5%
1960s	83	27%	17%	34%	6%
1970s	168	32%	12%	30%	8%
1980s	592	42%	4%	19%	6%
1990s	1111	35%	13%	22%	4%
2000s	1841	30%	21%	21%	6%
2010s	2477	21%	31%	15%	12%
2020s	921	22%	14%	12%	35%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…c6	21%	22%	▲ +1.2%
8…Re8	31%	14%	▼ -17.3%
8…Ng4	15%	12%	▼ -2.5%
8…Qe7	12%	35%	▲ +23.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 9 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 2 parties
Carlsen, Magnus — 2 parties
Kramnik, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Gukesh D — 1 partie

Parties historiques

8…c6 — 27.5% (1986 parties)

1946 — Ebralidze, Arkhil vs Petrosian, Tigran A. — 1-0 — Tbilisi GEO
1949 — Fridstein, German vs Khasin, Abram — 1-0 — Moscow RUS
1952 — Niemela, Ilmari Aarne vs Geller, Efim P. — 0-1 — Helsinki olm
1955 — Abroshin, M.S vs Zagorovsky, Vladimir — 1/2-1/2 — USSR ch-03 5557
1955 — O'Kelly de Galway, Alberic vs Thibaut, Georges — 1-0 — Brussels BEL

8…Re8 — 20.6% (1488 parties)

1949 — Fridstein, German vs Aronin, Lev — 1-0 — Moscow RUS
1949 — Vatnikov, Josif E vs Bannik, Anatolij — 1/2-1/2 — Vilnius LTU
1951 — Cherepkov, Alexander V vs Petrosian, Tigran A. — 0-1 — Sverdlovsk
1954 — Rebizzo, Cayetano vs Rossetto, Hector — 1-0 — Buenos Aires ARG
1954 — Calderon Rivera, Ximena Valentina vs Lokvenc, Josef — 1/2-1/2 — Amsterdam NED

8…Ng4 — 18.2% (1313 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

8…Qe7 — 11.5% (832 parties)

1958 — Madeira de Ley, Manuel vs Madeira de Ley, Tancredo — 1-0 — Rio de Janeiro BRA
1967 — Nei, Iivo vs Petkevich, Jusefs — 1/2-1/2 — USSR
1967 — Yuferov, Sergey N vs Petkevich, Jusefs — 0-1 — Kiev UKR
1968 — Benko, Pal vs DeFotis, G — 1-0 — USA op
1969 — Nei, Iivo vs Haag, Ervin — 1/2-1/2 — Tallinn EST

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Enfermé (mob. 1)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Enfermé (mob. 2)
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

Partie
1951 Wertheim Memorial – Round 3 – Shainswit, George – 1/2-1/2 – Horowitz, Albert Israel – G17 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 h6 9. dxe5 dxe5 10. Ne1 c6
1954 Mar del Plata – Round 7 – Benko, Francisco – 1/2-1/2 – Wexler, Bernardo – G55 1. c4 Nf6 2. Nf3 d6 3. d4 Nbd7 4. Nc3 e5 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 exd4 9. Nxd4 Nc5 10. f3 c6
1967 Moscow – Round ? – Gligorić, Svetozar – 1/2-1/2 – Geller, Efim P – G159 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 a5 9. d5 Ng4 10. Bg5 f6
1967 Moscow – Round 1 – Najdorf, Miguel – 1/2-1/2 – Stein, Leonid – G76 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 a5 9. d5 Ng4 10. Bg5 f6
1967 Sousse Interzonal – Round 5 – Reshevsky, Samuel – 1/2-1/2 – Stein, Leon Rico – G43 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. Be3 Nbd7 8. O-O a5 9. Qc2 Ng4 10. Bg5 f6
1967 USSR – Round 1 – Nei, Iivo – 1/2-1/2 – Petkevich, Jusefs – G10 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O Qe7 9. Nd2 c6 10. d5 c5
1968 CSR Ch – Round 18 – Filip, Miroslav – 1-0 – Kubicek, Antonin – G164 1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. Be3 Nbd7 8. O-O Ne8 9. Qd2 f6 10. c5 exd4
1968 Malaga – Round 10 – Rossolimo, Nicolas – 1/2-1/2 – Kaplan, Julio – G21 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O a5 9. dxe5 dxe5 10. Nd2 c6
1968 Skopje/Ohrid – Round 4 – Hort, Vlastimil – 1-0 – Bukic, Enver – G30 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 a5 9. Qc2 Ng4 10. Bg5 f6
1968 Vinkovci – Round 3 – Hort, Vlastimil – 1-0 – Bertok, Mario Jr. – G21 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 a5 9. Qc2 Ng4 10. Bg5 f6
1969 DDR Ch women – Round 8 – Lehmann, Christina – 1/2-1/2 – Nowarra, Waltraud – G6 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 exd4 9. Nxd4 Nc5 10. f3 Re8
1969 Moskou ch-URS – Round 1 – Savon, Vladimir – 1/2-1/2 – Stein, Leon Rico – G73 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. Be3 h6 9. dxe5 dxe5 10. Nd2 Nh7
1969 Rubinstein Memorial – Round 10 – Adamski, Jan – 0-1 – Saidy, Anthony – G47 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. Be3 Nbd7 8. O-O a5 9. Qc2 exd4 10. Nxd4 Nc5
1969 Tallinn it – Round 7 – Nei, Iivo – 1/2-1/2 – Haag, Ervin – G26 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. Be3 Qe7 9. Qc2 c6 10. Rad1 Re8
20. European Teams 2015 – Round 2.3 – Van Wely, Loek – 1-0 – Kozul, Zdenko – G81 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 Qe7 9. Qc2 c6 10. d5 c5
20. European Teams 2015 – Round 7.13 – Lenic, Luka – 0-1 – Berg, Edvard Vallestrand – G295 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. e4 O-O 6. Be2 e5 7. O-O Nbd7 8. Be3 Qe7 9. Qc2 c6 10. Rad1 h6
40. Olympiad Open 2012 – Round 2.26 – Mollah Abdullah, Al Rakib – 0-1 – Akopian, Vladimir – G117 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 Qe7 9. Qc2 exd4 10. Bxd4 c6
40. Olympiad Open 2012 – Round 6.6 – Li, Chao – 1-0 – Kadric, Denis – G384 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 Qe7 9. Qc2 c6 10. Rad1 b6
41. Olympiad Open 2014 – Round 6.12 – Sargissian, Gabriel – 1/2-1/2 – Maroroa Jones, Gawain C B – G398 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 Qe7 9. dxe5 dxe5 10. Nd5 Qd8
Novi Sad olm 1990 – Round 2 – Gelfand, Boris – 1/2-1/2 – McNab, Colin A – G12 1. d4 d6 2. Nf3 g6 3. c4 Nd7 4. Nc3 e5 5. e4 Bg7 6. Be2 Ngf6 7. O-O O-O 8. Be3 a5 9. Qc2 Ng4 10. Bg5 f6
World Blitz 2015 – Round 7.23 – Eljanov, Pavel – 1-0 – Shchekachev, Andrei – G419 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. e4 Nd7 5. Nc3 e5 6. Be2 Ngf6 7. O-O O-O 8. Be3 exd4 9. Nxd4 Re8 10. Qc2 c6
World Blitz 2018 – Round 18.15 – Sychev, Klementy – 1/2-1/2 – Maroroa Jones, Gawain C B – G1048 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 Qe7 9. d5 c5 10. Bg5 Kh8
World Blitz 2021 – Round 7.12 – Sarana, Alexey – 1/2-1/2 – Kadric, Denis – G388 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. Be3 O-O 8. O-O Qe7 9. d5 a5 10. Nd2 Nc5
World Blitz 2023 – Round 19.30 – Nogerbek, Kazybek – 1/2-1/2 – Sadhwani, Raunak – G1084 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 Qe8 9. Nb5 exd4 10. Nfxd4 Qd8
World Blitz 2023 – Round 5.41 – Petrosyan, Manuel – 1/2-1/2 – Chinguun, Sumiya – G297 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 Qe7 9. dxe5 dxe5 10. Nd5 Qd8
World Rapid 2016 – Round 13.46 – Al-Sayed, Mohammed – 0-1 – Fressinet, Laurent – G512 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 Qe7 9. d5 c5 10. dxc6 bxc6
World Rapid 2016 – Round 3.46 – Maghsoodloo, Parham – 1-0 – Kozul, Zdenko – G121 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 h6 9. h3 exd4 10. Nxd4 Re8

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