E17l — Queen’s Indian: 6.O-O

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur les cases fortes f4, e5 et g5 et la paire de fous.

Côté adverse. Le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur la case forte e4, des fous actifs en b7 et e7 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nc6 (Développer Nb8) ; ...c5 (Rupture) ; ...d6 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (3v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Be7		● Be7 Actif (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	3 (● b8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1922 Vienna – Round 1 – Maroczy, Geza – 1-0 – Takacs, Sandor – G32 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Nd7 10. Qc2 O-O
1931 Prague ol – Round 5 – Kmoch, Hans – 1-0 – Abramavicius, Leonhard – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Nc3 Nbd7 8. Qc2 O-O 9. e4 e5 10. b3 exd4
1933 Folkestone Olympiad 5th – Round 12.2 – Enevoldsen, Jens – 0-1 – Bellod Thomas, Gonzalo – G104 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nd7 10. Re1 Rb8
1934 Trebitsch mem17 – Round 7 – Hoenlinger, Baldur – 1/2-1/2 – Stoeckl, Ernst – G15 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O Qc8 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 O-O 10. Bg5 Bxg5
1936 Leningrad – Round 1 – Ragozin, Viacheslav – 0-1 – Goldberg, Grigory A – G11 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Nd7 10. Qc2 c5
1936 Leningrad Ch – Round 1 – Rabinovich, Ilya Mar – 1-0 – Goldberg, Grigory A – G20 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Qc2 c5 8. Nc3 Nc6 9. d5 exd5 10. cxd5 Nb4
1936 Moskou – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Lilienthal, Andor – G28 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. d4 Qc8 7. b3 O-O 8. Bb2 c5 9. dxc5 bxc5 10. Nc3 d6
1937 Stockholm ol – Round 12 – Marshall Viele, Fabrizio Aaron – 1-0 – Larsen, Odd Ingolf – G70 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 c5 7. d5 exd5 8. Nh4 Qc8 9. cxd5 d6 10. e4 O-O
1938 Ljubljana – Round 2 – Foltys, Jan – 1/2-1/2 – Vidmar Milan – G22 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O Qc8 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Bf6 10. Qd3 d6
1952 Havana – Round 1 – Ortega, Rogelio – 1-0 – Araiza Munoz, Jose Joaquin – G20 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 Qc8 7. Nc3 d5 8. Re1 O-O 9. cxd5 exd5 10. Bf4 Nh5
1952 Havana – Round 1 – Toran Albero, Roman – 1-0 – Aguilar Aleman, Diego Ignacio – G25 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Nd7 10. b3 Bf6
1955 Moscow Ch – Round 7 – Ragozin, Viacheslav – 1/2-1/2 – Goldberg, Grigory A – G46 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. b3 Nbd7 8. Nc3 Ne4 9. Qc2 Nxc3 10. Qxc3 f5
1958 YUG Ch 13th – Round 3 – Milic, Borislav – 1-0 – Janosevic, Dragoljub – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O c6 7. Bf4 d5 8. cxd5 cxd5 9. Bxb8 Rxb8 10. Qa4+ Nd7
1965 Asztalos Memorial 8th – Round 9 – Florian, Tibor – 0-1 – Csom, Istvan – G57 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O c5 7. d5 exd5 8. Nh4 O-O 9. cxd5 d6 10. Nc3 g6
1966 Blitz Match – Round 10 – Zajic, Jiri – 1-0 – Drapal Robert – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 O-O
1966 La Habana olm fin-B – Round 10 – Balcerowski, Witold – 0-1 – Suradiradja, Herman – G145 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nd7 10. e4 O-O
1967 Montreal m – Round 24 – Brodie, Hugh – 0-1 – Streit, Howard – G23 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O c5 7. e3 O-O 8. Nc3 Ne4 9. Qd3 Nxc3 10. Qxc3 cxd4
1968 Belgrade (Women) 4th – Round 6 – Heemskerk, Fenny – 0-1 – Milosavljevic, Ruzica – G21 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Nc3 Nbd7 8. b3 O-O 9. Bb2 d5 10. Ne5 Rb8
43. Olympiad 2018 – Round 2.16 – Banikas, Hristos – 1-0 – Taalaibekov, Tagir – G91 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 c5 7. d5 exd5 8. Nh4 Ne4 9. Nf5 d4 10. Nxg7+ Kf8
Corus A 2007 – Round 13 – Aronian, Levon – 1-0 – Tiviakov, Sergei – G83 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O c6 7. Nc3 d5 8. Nd2 O-O 9. e4 dxc4 10. Nxc4 Ba6
IBM 1978 – Round 4 – Hort, Vlastimil – 0-1 – Romanishin, Oleg M – G11 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Nc3 Ne4 8. Qa4+ Nd7 9. Nxe4 Bxe4 10. Rd1 O-O
IBM 1978 – Round 6 – Andersson, Ulf 1949 – 1/2-1/2 – Romanishin, Oleg M – G18 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Nc3 Ne4 8. Bd2 Nd7 9. d5 Nxd2 10. Qxd2 e5

E17l —

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O

Les coups candidats

6…O-O — 93.9% (22772 parties) →

Ambassadeurs : Ilyasov, Anatoly Fedorovich (75x), Andersson, Ulf (61x), Ivkov, Borislav (59x), Ribli, Zoltan (51x), Rozentalis, Eduardas (48x), Karpov, Anatoly (46x), Portisch, Lajos (43x), Kholmov, Ratmir D (39x)

6…d5 — 2.6% (624 parties) →

Ambassadeurs : Nun, Jiri (17x), Simonian, Hrair (8x), Yudasin, Leonid (8x), Theulings, Paul-Peter (5x), Kochukova, Anna (5x), Pribyl, Josef (4x), Tompa, Janos (4x), Darchia, Diana (3x)

6…d6 — 1.6% (386 parties)

Ambassadeurs : Goldberg, Grigory A (4x), Szabados, Eugenio (3x), Alekhine, Alexander (3x), Koblencs, Alexander (3x), Martiska, Peter (3x), Naegeli, OskarVoellm (2x), Takacs, Sandor (2x), Enevoldsen, Jens (2x)

6…c5 — 1.2% (296 parties)

Ambassadeurs : Lechtynsky, Jiri (2x), Bailey, Gregory (2x), Santl, Anton (2x), Grams, Arthur (2x), Weise, Wolfgang, Dr. (2x), Goldstein, Maurice Edwards (1x), Koshnitsky, Gregory (1x), Marshall Viele, Fabrizio Aaron (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…O-O	6…d5	6…d6	6…c5
<1800	466	89%	4%	3%	3%
1800-2200	7396	92%	3%	2%	2%
2200-2600	11392	95%	2%	1%	1%
2600+	845	98%	0%	0%	—

Évolution par décennie (% des parties)

Décennie	N parties	6…O-O	6…d5	6…d6	6…c5
1870s	1	100%	—	—	—
1920s	55	87%	—	13%	—
1930s	170	86%	2%	8%	1%
1940s	294	97%	1%	1%	0%
1950s	386	96%	1%	2%	1%
1960s	460	97%	1%	1%	1%
1970s	868	97%	1%	1%	1%
1980s	1469	94%	4%	1%	0%
1990s	3110	92%	4%	2%	2%
2000s	5416	93%	3%	2%	2%
2010s	9686	94%	2%	2%	1%
2020s	2326	96%	2%	1%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…O-O	94%	96%	▲ +1.8%
6…d5	2%	2%	-0.3%
6…d6	2%	1%	▼ -0.7%
6…c5	1%	1%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Anand, Viswanathan — 9 parties
Carlsen, Magnus — 9 parties
Ding, Liren — 9 parties
Kramnik, Vladimir — 8 parties
Ju, Wenjun — 7 parties
Kasparov, Garry — 6 parties
Hou, Yifan — 5 parties
Gukesh D — 3 parties

Parties historiques

6…O-O — 93.9% (22772 parties)

1871 — Heinicke, Herbert vs Seitz, Alexander — 1-0 — GER
1921 — Bogoljubow, Efim vs Balla, Zoltan Tibor — 0-1 — Budapest HUN
1921 — Sterk, Karoly vs Vajda, Arpad — 1-0 — Budapest HUN
1921 — Sterk, Karoly vs Vajda, Albert — 1-0 — Budapest HUN
1921 — Gruenfeld, Ernst vs Steiner, Endre — 1-0 — Budapest HUN

6…d5 — 2.6% (624 parties)

1930 — Fajarowicz, Sammi vs Bluemich, Max — 0-1 — Leipzig GER
1931 — Noteboom, Daniel vs Landau, Salo — 1-0 — Rotterdam NED
1933 — Appel, Izaak vs Frydman, Paulino — 1-0 — Lodz m
1944 — Kottnauer, Cenek vs Olexa, Vilem — 1-0 — Brno ch CZE
1949 — Popov, Vesselin vs Zvetkov, Aleksandar — 1/2-1/2 — Sofia BUL

6…d6 — 1.6% (386 parties)

1922 — MAROCZY, GEZA vs Takacs, Sandor — 1-0 — ?
1922 — Maroczy, Geza vs Takacs, Sandor — 1-0 — Vienna AUT
1923 — Alekhine, Alexander vs Naegeli, OskarVoellm — 1-0 — Bern SUI
1923 — Alekhine, Alexander vs Naegeli, OskarVoellm — 1-0 — Bern SUI
1928 — Szabados, Eugenio vs de Simoni Arguello, Luis Maximiliano — 1-0 — Venice ITA

6…c5 — 1.2% (296 parties)

1930 — Goldstein, Maurice Edwards vs Koshnitsky, Gregory — 0-1 — Sydney AUS
1937 — Marshall Viele, Fabrizio Aaron vs Larsen, Odd Ingolf — 1-0 — Stockholm SWE
1945 — Salas Romo, Julio vs Ader Hausman, Walter — 1-0 — Vina del Mar CHI
1952 — Boxall, Graham vs Leslie, D. — 1-0 — Chester ch-BCF
1957 — Spalk, Bjarne vs Szabo, Iuliu inactive — 1/2-1/2 — Reykjavik ISL

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