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

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. Les fous enfermés en g7 et 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).

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 (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

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

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →