E15k — Queen’s Indian: Nimzowitsch, 5.Qa4 c5 6.Bg2 Bb7 7.O-O

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 c5 6.Bg2 Bb7 7.O-O * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nc3 (Développer b1 — 12 % des parties) ; Rd1 (6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...cxd4 (Capture en d4, Occuper le centre — 78 % des parties) ; ...Be7 (Développer f8 — 18 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b6→c5, a7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v0)
Cases faibles	—	—
Centre	● e5 (2v0)	● d5 (3v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn d7
Non développées	3 (● b1, ● c1, ● a1)	4 (● b8, ● f8, ● 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	mobile
Ruptures	● d4-d5	● …d7-d5, ● …e6-e5

Partie
1954 Leningrad ch22-SU sf – Round 1 – Kan, Ilya A – 1-0 – Tolush, Alexander V – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. O-O Be7 8. Nc3 O-O 9. Rd1 d6 10. Qc2 Qe8
1958 WchT U26 fin-A 05th – Round 5 – Bertok, Mario Jr. – 1/2-1/2 – Kolarov, Atanas Stefanov – G47 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. O-O Be7 8. Qd1 cxd4 9. Nxd4 Bxg2 10. Kxg2 Qc8
1963 Alekhine Memorial – Round 10 – Antoshin, Vladimir S – 1/2-1/2 – Szabo, Ladislav – G66 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. O-O Be7 8. Nc3 O-O 9. dxc5 bxc5 10. Rd1 d6
1964 Hoogovens – Round 1 – Van Scheltinga, Theo – 1/2-1/2 – Keres, Paul – G16 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Bc5 10. Nf3 O-O
1969 Luhacovice – Round 12 – Kortchnoi, V. – 1/2-1/2 – Keres, P. – G88 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc8 10. Rd1 Nc6
34. ECC Open 2018 – Round 3.2 – Richter, Christian – 0-1 – Kryvoruchko, Yuriy – G88 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Be7 10. Nc3 O-O
36. Olympiad 2004 – Round 14 – Babula, Vlastimil – 1/2-1/2 – Timman, Jan H – G502 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc7 10. Rd1 a6
40. Olympiad Open 2012 – Round 8.14 – Laznicka, Viktor – 1/2-1/2 – Bologan, Victor – G453 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Be7 10. Nc3 O-O
Amber Blindfold 2000 – Round 11 – Piket, Jeroen – 1/2-1/2 – Lautier, Joel – G43 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc7 10. Rd1 a6
Amber Blindfold 2000 – Round 7 – Nikolic, Predrag – 1/2-1/2 – Karpov, Anatoly – G29 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. O-O cxd4 8. Nxd4 Qc8 9. Nc3 Bxg2 10. Kxg2 Qb7+
Hoogovens 1979 – Round 5 – Polugaevsky, Lev – 1/2-1/2 – Dzindzichashvili, Roman – G11 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc7 10. Nc3 Be7
Melody Amber, Rapidplay, Monaco 1995 – Round 1 – Nikolic, Predrag – 1-0 – Kamsky, Gata – G5 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. O-O Be7 8. Rd1 cxd4 9. Nxd4 Bxg2 10. Kxg2 Qc7
Moskou ch-URS 1976 – Round 1 – Balashov, Yuri S – 1-0 – Polugaevsky, Lev – G8 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. O-O Qc8 8. Bf4 cxd4 9. Nxd4 Bxg2 10. Kxg2 Bc5
Riga Interzonal 1979 – Round 1 – Trois, Francisco R.T. – 0-1 – Polugaevsky, Lev – G2 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Be7 10. f3 O-O

E15k — Nimzowitsch (1954)

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 c5 6.Bg2 Bb7 7.O-O

Les coups candidats

7…cxd4 — 77.6% (917 parties)

Ambassadeurs : Ilincic, Zlatko (25x), Nikolic, Predrag (23x), Galanov, Sergey Igorevich (9x), Moskvichev, Valery Ivanovich (9x), Tunik, Gennady (7x), Andersson, Ulf (7x), Cusicanqui, Marco (6x), Matlak, Marek (5x)

7…Be7 — 17.6% (208 parties)

Ambassadeurs : Nikolic, Predrag (7x), Popov, Luben (3x), Stoica, Valentin (3x), Melnichuk, Mikhail (3x), Kan, Ilya A (2x), Portisch, Lajos (2x), Ligterink, Gert (2x), Abanin, Vladimir (2x)

7…Bc6 — 1.9% (23 parties)

Ambassadeurs : Jaderholm, Bo (2x), Brekka, Hanus (1x), Petersen, Steen Brustrup (1x), Alfredsson, Ove (1x), Garcia Palermo, Carlos Horacio (1x), Rajkovic, Dusan (1x), Partikas, Valentinas A. (1x), Inkiov, Ventzislav (1x)

7…Qc8 — 1.4% (16 parties)

Ambassadeurs : Ree, Hans (2x), Korchnoi, Viktor (2x), Razuvaev, Yuri S (2x), Kertesz, Alfred (1x), Mozes, Ervin (1x), Balashov, Yuri (1x), Polugaevsky, Lev (1x), Beliman, Oliver (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…cxd4	7…Be7	7…Bc6	7…Qc8
<1800	25	68%	32%	—	—
1800-2200	358	78%	16%	3%	1%
2200-2600	645	76%	19%	2%	2%
2600+	29	86%	14%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…cxd4	7…Be7	7…Bc6	7…Qc8
1950s	3	—	100%	—	—
1960s	10	60%	40%	—	—
1970s	59	61%	27%	—	12%
1980s	133	78%	19%	—	1%
1990s	160	74%	21%	2%	—
2000s	315	77%	17%	3%	1%
2010s	440	83%	13%	2%	1%
2020s	61	70%	25%	2%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…cxd4	83%	70%	▼ -12.9%
7…Be7	13%	25%	▲ +11.4%
7…Bc6	2%	2%	+0.0%
7…Qc8	1%	2%	▲ +1.0%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 4 parties
Tal, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

7…cxd4 — 77.6% (917 parties)

1964 — Bosch van Rosenthal, Edzard vs Keres, Paul — 1/2-1/2 — Beverwijk NED
1966 — Ayme, Brandon vs Brostrom, Goran — 1/2-1/2 — WchTJ U26 prel
1967 — Karner, Hillar vs Keres, Paul Petrovich — 1-0 — 02 Tallinn Kalev-Joud .67)
1967 — Byawaka Alvin Herbert vs Keres, Paul — 1/2-1/2 — Stockholm SWE
1969 — Bobotsov, Milko G vs Keres, Paul Petrovich — 1/2-1/2 — Sofia BUL

7…Be7 — 17.6% (208 parties)

1954 — Kan, Ilya A vs Alexander Tadala — 1-0 — Leningrad ch22-SU sf
1955 — Kan, Ilya A vs Tolush, Alexander — 1-0 — ?
1958 — Bertok, Mario Jr. vs Kolarov, Atanas S. — 1/2-1/2 — ?
1961 — Corinthio, M. vs Schmidt, Peter — 0-1 — corr EU/M
1963 — Abanin, Vladimir vs Szabo, Laszlo — 1/2-1/2 — Moscow RUS

7…Bc6 — 1.9% (23 parties)

1994 — Garcia Palermo, Carlos Horacio vs Rajkovic, Dusan — 1/2-1/2 — Madrid ESP
1995 — Brekka, Hanus vs Petersen, Steen Brustrup — 1-0 — Roskilde DEN
1995 — Alfredsson, Ove vs Jaderholm, Bo — 1/2-1/2 — DSU
1995 — Partikas, Valentinas A. vs Jaderholm, Bo — 1-0 — SSKK
2000 — Postny, Evgeny vs Tsesarsky, Ilya — 1-0 — Ramat Aviv ISR

7…Qc8 — 1.4% (16 parties)

1974 — Beliman, Oliver vs Puhm, Alar — 1-0 — Nice olm prel
1976 — Balashov, Yuri vs Polugaevsky, Lev — 1-0 — Moskou ch-URS
1977 — Ree, Hans vs Korchnoi, Viktor — 0-1 — Leeuwarden NED-ch
1977 — Ree, Hans vs Korchnoi, Viktor — 0-1 — Leeuwarden ch-NED
1978 — Kertesz, Alfred vs Mozes, Ervin — 1/2-1/2 — Arad

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