E61r — King’s Indian: 4.Nf3 d6 5.Bf4 d6 6.e3

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.Bf4 d6 6.e3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte b5, case forte d5, case forte g5, Bf4 actif, paire de fous.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Problèmes : roi au centre, Bf1 enfermé, 3 pièces non développées (F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, case forte f5, avant-poste f5(F), paire de fous.
Faiblesses adverses : Bf1 enfermé, roi blanc au centre.
Problèmes : Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c6 — Rupture
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E61r —

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.Bf4 d6 6.e3

Eval: [+0.17]

Les coups candidats

6…Nbd7 — 39.8% (1170 parties)

Ambassadeurs : Portisch, Ferenc (11x), Zilberstein, Dmitry (6x), Braunlich, Tom (5x), Iljushin, Alexei (5x), Barle, Janez (5x), Kaunas, Kestutis (5x), Manakov, Marina (4x), Kovaliova, Valeria (4x)

6…c5 — 13.8% (404 parties)

Ambassadeurs : Portisch, Ferenc (6x), Urday, Henry (4x), Iljushin, Alexei (4x), Dzindzichashvili, Roman (3x), Finegold, Benjamin (3x), Zhukova, Natalia (3x), Hazai, Laszlo Dr. (2x), Scholseth, Tor Kristian (2x)

6…c6 — 10.7% (315 parties)

Ambassadeurs : Portisch, Ferenc (7x), Sielicki, Tomasz (5x), Urday, Henry (4x), Campos Lopez, Mario (3x), Dzindzichashvili, Roman (3x), Rutsatz, Mario (3x), Zinkevich, Julia (3x), Sigurjonsson, Gudmundur (2x)

6…Nh5 — 8.0% (236 parties)

Ambassadeurs : Kuenitz, Klaus (4x), Iljushin, Alexei (3x), Poldauf, Dirk (2x), Levitt, Jonathan P (2x), Tomaic Bernat, Ana (2x), Dittmar, Peter (2x), Finegold, Benjamin (2x), Reinderman, Dimitri (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Nbd7	6…c5	6…c6	6…Nh5
<1800	231	42%	8%	9%	12%
1800-2200	1084	41%	13%	12%	8%
2200-2600	841	34%	17%	12%	8%
2600+	9	11%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Nbd7	6…c5	6…c6	6…Nh5
1920s	2	50%	—	—	—
1930s	3	100%	—	—	—
1940s	3	100%	—	—	—
1950s	14	21%	14%	43%	—
1960s	22	50%	—	5%	5%
1970s	52	31%	12%	33%	6%
1980s	77	36%	17%	14%	10%
1990s	580	44%	13%	12%	9%
2000s	870	40%	12%	11%	9%
2010s	1159	38%	15%	10%	7%
2020s	155	39%	17%	3%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Nbd7	38%	39%	▲ +0.9%
6…c5	15%	17%	▲ +1.7%
6…c6	10%	3%	▼ -6.4%
6…Nh5	7%	8%	▲ +0.9%

Joueurs célèbres

Champions du monde dans cette position

Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

6…Nbd7 — 39.8% (1170 parties)

1924 — Orr, A vs Allen, Warren Jackson — 1/2-1/2 — Belfast IRL
1931 — Budo, Alexander Semenovich vs Kasparian, Genrikh — 1/2-1/2 — Moskou ch-URS
1938 — Budo, Alexander Semenovich vs Chekhover, Vitaly — 1/2-1/2 — Leningrad RUS
1939 — Minnis, W. vs Alvarez Soto, David — 0-1 — Buenos Aires ARG
1940 — Ayan Schneider vs Rogmann, Gustav — 0-1 — Berlin GER

6…c5 — 13.8% (404 parties)

1957 — Shamkovich, Leonid vs Bykov, Vladimir — 0-1 — Leningrad RUS
1958 — Konstantinopolsky, Alexander vs Khasin, Abram — 1-0 — Moscow RUS
1970 — Vadasz, Adam vs Vasiukov, Arkadii — 1/2-1/2 — Budapest HUN
1977 — Petran, Pal vs Hazai, Laszlo Dr. — 0-1 — Zala Cup Zalaegerszeg
1977 — Portisch, Ferenc vs Weinstein, Norman — 1-0 — Belgrade SRB

6…c6 — 10.7% (315 parties)

1952 — Kan, Ilya A vs Terpugov, Evgeny — 0-1 — Riga LAT
1953 — Mueller, Hans vs Donner, Jan-Hein — 1/2-1/2 — Saarbruecken
1954 — Backlund, Ake vs Taimanov, Mark — 0-1 — Stockholm SWE
1956 — Ratner, Boris vs Makarov, Arkady Alexandrovic — 0-1 — Kiev UKR
1957 — Byrne, David vs Feuerstein, Arthur — 1-0 — New York, NY USA

6…Nh5 — 8.0% (236 parties)

1969 — Schulze, Ulrich vs Mossong, Hubert — 1-0 — Groningen NED
1971 — Ogaard, Leif vs Kaiszauri, Konstanty — 1-0 — Athens Wch jr
1974 — Ek, Hans vs Karlsson 1952, Hans — 1/2-1/2 — Sweden
1979 — Held, K. vs Najdorf, Rafael — 0-1 — Mar del Plata ARG
1984 — Kujasalo, Marjatta vs Brustman, Agnieszka — 0-1 — Thessaloniki GRE

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v0), ● b5 (2v0), ● d5 (2v1), ● g5 (2v0)	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (3v0), ● d5 (2v1), ● e5 (3v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Bf4	● Bf4 Actif (mob. 5)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e3-e4	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1931 Moskou ch-URS – Round 1 – Budo, Alexander Semenovich – 1/2-1/2 – Kasparian, Genrikh – G58 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. Bf4 d6 6. e3 Nbd7 7. Qc2 Nh5 8. Bg5 h6 9. Bh4 g5 10. Bg3 f5
1938 Trade Unions – Round 1 – Budo, Alexander Semenovich – 1/2-1/2 – Chekhover, Vitaly – G11 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 d6 6. e3 Nbd7 7. Qc2 Re8 8. Rd1 Nh5 9. Bg5 c6 10. Be2 Nf8
1947 Moscow – Round 1 – Kan, Ilya A – 1-0 – Magergut, Alexander Zinovievich – G17 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 d6 6. e3 Nbd7 7. Qc2 c5 8. Be2 b6 9. O-O Bb7 10. h3 Rc8
1952 URS ch sf – Round 2 – Kan, Ilya A – 0-1 – Terpugov, Evgeny – G13 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. Bf4 O-O 6. e3 c6 7. Be2 Nbd7 8. Qc2 Qa5 9. O-O e5 10. dxe5 dxe5
1957 Leningrad Ch – Round 19 – Shamkovich, Leonid – 0-1 – Bykov, Vladimir – G142 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. Nf3 O-O 5. Bf4 d6 6. e3 c5 7. d5 Na6 8. Be2 Nc7 9. O-O Rb8 10. h3 Bf5
1957 URS Ch, semi final – Round 1 – Kalashian, Loris – 1-0 – Buslaev, Aleksander – G40 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 d6 6. e3 c6 7. Be2 a6 8. a4 a5 9. O-O Bg4 10. h3 Bxf3
1958 Munich ol (Men) fin-B – Round 5 – Fuster, Geza – 1/2-1/2 – Thorbergsson, Freysteinn – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 O-O 5. e3 d6 6. Nf3 Nbd7 7. h3 c6 8. Be2 Qa5 9. O-O e5 10. Bh2 Ne8
1961 CHI Ch – Round 2 – Schroeder, Ruperto – 1/2-1/2 – Ader Hausman, Walter – G5 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 d6 6. e3 Nbd7 7. Be2 Re8 8. h3 e5 9. dxe5 dxe5 10. Nxe5 c6
1961 Oberhausen etc – Round 2 – Keres, Paul Petrovich – 1/2-1/2 – Matanovic, Aleksandar – G67 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bf4 O-O 6. e3 Nbd7 7. Be2 Qe8 8. O-O c6 9. h3 e5 10. Bh2 Qe7
1964 BRA Ch – Round 4 – Holzmann Licurgo – 0-1 – Camara, Helder – G14 1. Nf3 g6 2. c4 Bg7 3. Nc3 Nf6 4. d4 O-O 5. Bf4 d6 6. e3 Nfd7 7. Be2 h6 8. Qd2 e5 9. Bg3 Nc6 10. O-O Ne7
1965 Northern Open – Round 2 – Spink, GV. – 0-1 – Griffiths, Peter C – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bf4 d6 6. e3 Nbd7 7. Bd3 c6 8. Bg3 Nh5 9. Ne2 e5 10. dxe5 dxe5
1966 Rio Hondo zt – Round 7 – Miranda, Marcio Marcos do Carmo – 0-1 – Mecking, Henrique – G38 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. Nf3 O-O 6. e3 Nbd7 7. Be2 Re8 8. h3 c6 9. O-O a6 10. a4 Qc7
1966 Venice tt – Round 3 – Koraksic, Ljubomir – 1/2-1/2 – Lukic, Arsenije – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. Nf3 O-O 6. e3 Nfd7 7. Be2 e5 8. Bg3 Nc6 9. h3 h6 10. dxe5 dxe5
1968 Hungary – Round 1 – Farago, Ivan – 1/2-1/2 – Liptay, Laszlo Dr. – G66 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bf4 d6 6. e3 Nc6 7. Be2 Bf5 8. d5 e5 9. Bg5 Ne7 10. Nd2 Ne8
1969 Budapest ch-HUN – Round 1 – Farago, Ivan – 1-0 – Polgar, Istvan – G39 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. e3 O-O 6. Nf3 Nc6 7. Be2 Bf5 8. d5 e5 9. Bg3 Ne7 10. Nd2 Bd7
1969 Vilnius – Round 1 – Portisch, Ferenc – 0-1 – Butnorius, Algimantas – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 O-O 5. Nf3 d6 6. e3 Nbd7 7. Be2 c6 8. O-O Qe8 9. h3 e5 10. Bh2 Qe7
1969 Vilnius – Round 1 – Portisch, Ferenc – 1/2-1/2 – Razuvaev, Yuri S – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 O-O 5. Nf3 d6 6. e3 Nbd7 7. Be2 b6 8. O-O Bb7 9. Qc2 h6 10. h3 e6
1969 WchT U26 qual-B – Round 3.3 – Farago, Ivan – 0-1 – Dueball, Juergen – G12 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Bf4 O-O 6. e3 Nc6 7. Be2 Bg4 8. d5 e5 9. Bg5 Ne7 10. e4 h6
2. FIDE GP 2008 – Round 11 – Ivanchuk, Vasyl – 1/2-1/2 – Radjabov, Teimour – G60 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bf4 d6 6. e3 c5 7. d5 Qb6 8. Rb1 e5 9. Bg5 Bf5 10. Bd3 Bxd3
40. Olympiad Open 2012 – Round 6.26 – Parligras, Mircea-Emilian – 1-0 – Vera Siguenas, Deivy – G374 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bf4 d6 6. e3 Nfd7 7. h3 Nc6 8. Be2 e5 9. Bh2 f5 10. O-O Kh8
World Blitz 2019 – Round 15.86 – Galkin, Alexander – 1-0 – Gukesh D – G1050 1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 d6 5. c4 O-O 6. Nc3 c5 7. Be2 Nh5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nxg3
World Blitz 2019 – Round 18.56 – Yanchenko, Roman – 0-1 – Melkumyan, Hrant – G1235 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. Bf4 d6 6. e3 Nc6 7. Be2 Bf5 8. h3 Ne4 9. Nxe4 Bxe4 10. O-O e5
World Blitz 2019 – Round 3.92 – Laznicka, Viktor – 1-0 – Gurvich, Vitaly – G230 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Bf4 d6 5. e3 O-O 6. Nc3 Nc6 7. h3 Bf5 8. Be2 e5 9. dxe5 Ne4 10. Nxe4 Bxe4
World Blitz 2019 – Round 4.89 – Galkin, Alexander – 1-0 – Andriasian, Zaven – G303 1. Nf3 Nf6 2. d4 g6 3. Bf4 d6 4. e3 Bg7 5. c4 O-O 6. Nc3 Nbd7 7. Be2 c6 8. O-O Nh5 9. Bg5 h6 10. Bh4 g5

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