E70i — King’s Indian: Kramer, 5…O-O 6.Ng3 e5 7.d5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 O-O 6.Ng3 e5 7.d5 * ● 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 la case forte b5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

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).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte g4.

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. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...c6 (Rupture) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c4→d5, e4→d5	● d6→e5, c7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	● g4 (2v1)
Cases faibles	—	● d5
Centre	● d5 (4v1), ● e4 (2v1)	● e5 (1v0)

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)	3 (● b8, ● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● f2-f3	● …c7-c6, ● …c7-c5

Partie
1950 Dubrovnik olm – Round 1 – Steiner, Heinrich Jun. – 0-1 – Pedersen, Ebbe – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. Be3 a6
1952 Budapest HUN – Round ? – Korody Keresztely, Imre – 1-0 – Navarovszky, Laszlo – G19 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 a5 8. h4 Nbd7 9. h5 Nc5 10. Be2 c6
1952 Havana – Round 1 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Toran Albero, Roman – G17 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. h4 Re8
1952 Helsinki olm – Round 1 – Abad Gonzalez, Jose Miguel – 1/2-1/2 – Nestler, Vincenzo – G12 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nge2 O-O 6. Ng3 e5 7. d5 Ne8 8. h4 f5 9. Bg5 Bf6 10. exf5 gxf5
1952 Mar del Plata – Round 11 – Ader Hausman, Walter – 1-0 – Bolbochan, Jacobo – G79 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 a5 8. Be2 Na6 9. h4 h5 10. Bg5 Qe8
1955 New York Rosenwald5455 – Round 3 – Kramer, George – 0-1 – Evans, Larry M – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 Ne8 8. Be2 a5 9. h4 f5 10. exf5 gxf5
1960 Budapest – Round 1 – Jenei, Ferenc – 1/2-1/2 – Udovcic, Mijo – G6 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. d5 g6 5. e4 Bg7 6. Nge2 O-O 7. Ng3 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. Bg5 h6
1961 Belgrade Open – Round 1 – Forintos, Gyozo V – 0-1 – Gligorić, Svetozar – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c5 8. Be2 Nbd7 9. h4 Ne8 10. h5 a6
1961 Bucharest GMT 5th – Round 13 – Bilek, Istvan – 1/2-1/2 – Radovici, Corvin – G49 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 Na6 8. Be2 c5 9. h4 Nc7 10. h5 Bd7
1961 Budapest ch-HUN – Round 1 – Szollosi, Laszlo – 0-1 – Dely, Peter – G10 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. Nge2 O-O 6. Ng3 e5 7. d5 Ng4 8. Be2 Qh4 9. Bxg4 Bxg4 10. f3 Bc8
1962 Hungary – Round 8 – Szollosi, Laszlo – 1-0 – Ozsvath, Andras – G63 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 Ng4 8. Be2 Qh4 9. Bxg4 Bxg4 10. f3 Bc8
1962 Moscow – Round 1 – Dely, Peter – 1-0 – Hort, Vlastimil – G17 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. O-O a6
1962 Sarajevo – Round 2 – Bilek, Istvan – 1/2-1/2 – Smailbegovic, Hasan – G18 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. O-O Ne8
1962 Vrnjacka Banja – Round 8 – Bertok, Mario Jr. – 1-0 – Milic, Borislav – G77 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c5 8. Bd3 Na6 9. a3 Nc7 10. O-O Nfe8
1964 EU Team Ch sf – Round 5.5 – Forintos, Gyozo V – 1-0 – Bobotsov, Milko G – G73 1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 a6 10. h4 Nbd7
1964 Tel Aviv ISR – Round 1 – Hanks, John – 0-1 – Cuellar Gacharna, Miguel – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. h4 h5
1964 Tel Aviv olm fin-B – Round 10 – Ader Hausman, Walter – 1/2-1/2 – Gragger, Anton Fritz – G114 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nge2 O-O 6. Ng3 e5 7. d5 Ne8 8. Be2 h5 9. h4 Bf6 10. Bh6 Ng7
1964 Tel Aviv olm prel – Round 3 – Vinje, Arne – 1/2-1/2 – Balcerowski, Witold – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nge2 d6 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 a5 10. O-O Na6
1965 Sarajevo – Round 1 – Forintos, Gyozo V – 1-0 – Bogdanovic, Radivoje – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 a6 10. a4 Nbd7
1965 Tbilisi – Round 1 – Soos, Bela – 1/2-1/2 – Dzindzichashvili, Roman – G34 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 Ng4 8. f3 Nh6 9. Be3 f5 10. Bf2 f4
1966 Sunderland ch-BCF – Round 10 – Wallis, Philip N – 1/2-1/2 – Griffiths Vicente, Pau – G85 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nge2 d6 6. Ng3 e5 7. d5 Nbd7 8. Be2 Ne8 9. O-O f5 10. f4 exf4
1966 Titovo Uzice – Round ? – Udovcic, Mijo – 1/2-1/2 – Gligorić, Svetozar – G103 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 Nbd7 8. Be2 a6 9. h4 h5 10. Bg5 Qe8
1967 Palma de Mallorca – Round 17 – Matulovic, Milan – 1-0 – Bednarski, Jacek B – G125 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 Na6 9. h4 Nc5 10. h5 cxd5
1967 Winnipeg – Round 4 – Szabo, Ladislav – 0-1 – Yanofsky, Daniel Abraham – G23 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. Bg5 h6
1968 Bamberg – Round 6 – Szabo, Ladislav – 1-0 – Klundt, Klaus – G10 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 a5 8. Be2 Na6 9. h4 Nc5 10. h5 c6
1968 Sarajevo – Round 5 – Barczay, Laszlo – 1/2-1/2 – Ivkov, Borislav – G38 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. d5 Nf6 6. Nge2 O-O 7. Ng3 c6 8. Be2 a5 9. Bg5 Na6 10. Qd2 Qc7
1968 Solingen – Round 14 – Eising, Johannes – 1/2-1/2 – Tatai, Stefano – G59 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nge2 O-O 6. Ng3 e5 7. d5 Ng4 8. Be2 Qh4 9. Bd2 Na6 10. Qc1 h6
1968 Toth Memorial – Round 13 – Forintos, Gyozo V – 1-0 – Dely, Peter – G50 1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Nge2 O-O 6. Ng3 e5 7. d5 Ng4 8. Be2 Qh4 9. Nb5 Na6 10. Bd2 f5
1969 Athene zt – Round 9 – Forintos, Gyozo V – 1-0 – Suer, Halil Cenk – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Ne8 10. O-O h5
1969 Luhacovice – Round 1 – Navarovszky, Laszlo – 1-0 – Beni, Alfred – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 Nbd7 8. Be2 a5 9. O-O Nc5 10. Be3 h5
FIDE World Rapid 2014 – Round 14.36 – Bologan, Victor – 0-1 – Kovalev, Vladislavadislav – G320 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 a5 8. Be2 Na6 9. O-O h5 10. Bg5 Qe8
GRENKE Chess Classic 2018 – Round 2.4 – Aronian, Levon – 1-0 – Naiditsch, Arkadij – G9 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nge2 O-O 6. Ng3 e5 7. d5 a5 8. Be2 Na6 9. h4 h5 10. Bg5 Qe8
Horgen CS 1994 – Round 9 – Lutz, Christopher – 0-1 – Gelfand, Boris – G35 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 a5 8. Be2 Na6 9. h4 c6 10. h5 cxd5
Vugar Gashimov Mem 2014 – Round 5.2 – Carlsen, Magnus – 0-1 – Radjabov, Teimour – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 a5 8. Be2 Na6 9. h4 h5 10. Bg5 Qe8
World Blitz 2016 – Round 19.37 – Bologan, Victor – 1-0 – Kozul, Zdenko – G762 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. Be3 a5

E70i — Kramer

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 O-O 6.Ng3 e5 7.d5

Eval: [+0.44]

Les coups candidats

7…a5 — 37.4% (771 parties)

Ambassadeurs : Jakab, Attila (21x), Kaposztas, Miklos (19x), Rawlings, Alan J C (10x), Lucena Cifré, Rafael José (8x), Novikov, Igor (7x), Derieux, Christian (7x), Ivanov, Mikhail M. (7x), Royal, Shreyas (7x)

7…c6 — 31.1% (640 parties)

Ambassadeurs : Kaposztas, Miklos (16x), Forintos, Gyozo V (10x), Rawlings, Alan J C (9x), Hurme, Harri (9x), Bozinovic, Bogdan (8x), Jakab, Attila (7x), Gradl, Winfried (5x), Remlinger, Larry (5x)

7…Nbd7 — 11.5% (236 parties)

Ambassadeurs : Garcia Galeote, Lorenzo (5x), Kaposztas, Miklos (5x), Forintos, Gyozo V (3x), Feavyour, John A (3x), Yeo, Gareth (3x), Griffiths Vicente, Pau (2x), Florea Vasile (2x), Chilingirova, Pavlina (2x)

7…Ne8 — 7.5% (154 parties)

Ambassadeurs : Merlini, Milinka (3x), Kaposztas, Miklos (3x), Ker, Anthony F (2x), Remlinger, Larry (2x), Dive, Russell John (2x), Jakab, Attila (2x), Farina, Saverio Alessandro (2x), Derieux, Christian (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…a5	7…c6	7…Nbd7	7…Ne8
<1800	48	42%	15%	17%	10%
1800-2200	782	39%	25%	15%	10%
2200-2600	830	42%	34%	6%	4%
2600+	15	73%	20%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…a5	7…c6	7…Nbd7	7…Ne8
1950s	7	29%	29%	—	43%
1960s	44	5%	48%	14%	7%
1970s	31	16%	32%	23%	23%
1980s	113	13%	52%	6%	9%
1990s	562	25%	41%	13%	9%
2000s	593	38%	30%	12%	8%
2010s	598	51%	22%	11%	5%
2020s	112	69%	9%	9%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…a5	51%	69%	▲ +18.1%
7…c6	22%	9%	▼ -12.8%
7…Nbd7	11%	9%	▼ -2.1%
7…Ne8	5%	5%	▲ +0.5%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

7…a5 — 37.4% (771 parties)

1952 — Korody Keresztely, Imre vs Navarovszky, Laszlo — 1-0 — Budapest HUN
1952 — Ader Hausman, Walter vs Bolbochan, Jacobo — 1-0 — Mar del Plata ARG
1968 — Kovacs, Laszlo M vs Cudina, Ivan — 1/2-1/2 — Sombor
1968 — Szabo, Ladislav vs Klundt, Klaus — 1-0 — Bamberg GER
1970 — Gereben, Erno vs Castagna, Rino — 1/2-1/2 — Biel Coupe Suisse

7…c6 — 31.1% (640 parties)

1950 — Steiner, Heinrich Jun. vs Pedersen, Ebbe — 0-1 — Dubrovnik olm
1952 — Jimenez Zerquera, Eleazar vs Toran Albero, Roman — 1/2-1/2 — Havana CUB
1960 — Ader Hausman, Walter vs Gunnarsson, Gunnar K — 0-1 — Leipzig ol fin-B
1960 — Jenei, Ferenc vs Udovcic, Mijo — 1/2-1/2 — Budapest HUN
1960 — Aahan Soares vs Del Pozo, Nestor — 1/2-1/2 — Rio de Janeiro BRA

7…Nbd7 — 11.5% (236 parties)

1962 — Hanks, John vs Wells, Chris — 1-0 — Perth AUS
1966 — Wallis, Philip N vs Griffiths Vicente, Pau — 1/2-1/2 — Sunderland ch-BCF
1966 — Udovcic, Mijo vs Gligorić, Svetozar — 1/2-1/2 — Titovo Uzice
1967 — Nilsen, Leonhard vs Lockertsen, Werner — 1/2-1/2 — Tromsoe
1969 — Aczel Szabo, Janos vs Kern Adam — 1-0 — Ludwigsburg GER

7…Ne8 — 7.5% (154 parties)

1951 — Kellner, John Vincent vs Crowl, Frank Arthur — 1-0 — Melbourne AUS
1952 — Abad Gonzalez, Jose Miguel vs Nestler, Vincenzo — 1/2-1/2 — Helsinki FIN
1955 — Kramer, George vs Evans, Larry — 0-1 — New York, NY USA
1961 — De Almeida Soares J vs Canabrava, Antonio — 0-1 — Rio de Janeiro BRA
1964 — Ader Hausman, Walter vs Gragger, Anton Fritz — 1/2-1/2 — Tel Aviv ISR

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