E15n — Queen’s Indian: Nimzowitsch, 5.b3 Bb7, 7…a5 8.O-O O-O

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb7 6.Bg2 Bb4+ 7.Bd2 a5 8.O-O O-O * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur les cases fortes f4, e5 et g5, un fou actif en d2 et la paire de fous.

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

Plans. Nc3 (Développer Nb1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte b4.

Atouts. Les Noirs s'appuient sur la case forte e4, un avant-poste en b4, des fous actifs en b4 et b7 et la paire de fous.

Côté adverse. Le fou enfermé en g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8 et la tour a8).

Plans. ...Nc6 (Développer Nb8) ; ...c5 (Rupture) ; ...d6 (Rupture) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● b6→a5, 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 (1v0), ● e5 (2v0)	● d5 (3v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bd2	● Bd2 Actif (mob. 8)
Bg2	● Bg2 Enfermé (mob. 2)
Bb4		● Bb4 Actif (mob. 6)
Bb7		● Bb7 Actif (mob. 6)
Paire de fous	● Oui	● Oui
Non développées	2 (● b1, ● a1)	2 (● b8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

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
4. M-Tel Masters 2008 – Round 1 – Radjabov, Teimour – 0-1 – Ivanchuk, Vasyl – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Nc3 Nbd7
40. Olympiad Open 2012 – Round 8.17 – Vescovi, Giovanni – 1-0 – Petrik, Tomas – G455 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Nc3 d6 10. Qc2 Nbd7
43. Olympiad 2018 – Round 10.32 – Khusenkhojaev, Mustafokhuja – 1/2-1/2 – Zhigalko, Sergei – G667 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Bc3 Re8 10. a3 Bf8
Amber Blindfold 2000 – Round 3 – Topalov, Veselin – 1-0 – Nikolic, Predrag – G10 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 Na6 10. Nc3 d5
Amber-blind 3rd 1994 – Round 7 – Karpov, Anatoly – 1-0 – Korchnoi, Viktor – G30 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 Be4 10. Qb2 d5
Amsterdam VSB 1996 – Round 9 – Seirawan, Yasser – 1/2-1/2 – Timman, Jan H – G27 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Bg5 a4 10. bxa4 h6
Brussels blitz 1987 – Round 1 – Karpov, Anatoly – 0-1 – Korchnoi, Viktor – G35 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 Be4 10. Qc1 Nc6
Brussels blitz 1987 – Round 1 – Timman, Jan H – 0-1 – Korchnoi, Viktor – G32 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Nc3 Ne4 10. Nxe4 Bxe4
Candidats Tournament 1985 – Round 14 – Chernin, Alexander – 1/2-1/2 – Spassky, Boris V. – G87 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Nc3 d5 10. Qc2 Na6
ch-Wereld Teams 1989 – Round 1 – Nikolic, Predrag – 1-0 – Garcia Gonzales, Guillermo – G30 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Bc3 Bxc3 10. Nxc3 Ne4
Corus 2000 – Round 3 – Korchnoi, Viktor – 1/2-1/2 – Adams, Michael – G16 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Nc3 Nbd7
Corus 2001 – Round 2 – Topalov, Veselin – 1-0 – Piket, Jeroen – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Bc3 d5
Dos Hermanas 1997 – Round 7 – Topalov, Veselin – 1-0 – Illescas Cordoba, Miguel – G25 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 Bxd2 10. Nbxd2 d5
FIDE Grand Swiss 2025 – Round 1 – Mamedov Rauf – 1/2-1/2 – Aditya Mittal – G46 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Bc4 e6 5. Nf3 d6 6. d4 cxd4 7. cxd4 Be7 8. O-O O-O 9. Qc2 Nd7 10. Qe4 Qc7
FIDE WCh KO 2000 – Round 2.2 – Georgiev, Kiril – 1/2-1/2 – Nisipeanu, Liviu-Dieter – G67 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Nc3 d6 10. Qc2 Nbd7
FIDE WCh KO 2001 – Round 1.2 – Gyimesi, Zoltan – 1/2-1/2 – Conquest, Stuart C – G76 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. a3 Bxd2
FIDE WCh KO 2001 – Round 1.2 – Tkachiev, Vladislav – 1/2-1/2 – Hamdouchi, Hicham – G77 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Bc3 d5
FIDE WCh KO 2001 – Round 1.3 – Tkachiev, Vladislav – 1-0 – Hamdouchi, Hicham – G121 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Rd1 Nbd7
Interpolis 1987 – Round 1 – Nikolic, Predrag – 1-0 – Korchnoi, Viktor – G7 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 c5 10. dxc5 Bxc5
Interpolis 1991 – Round 13 – Karpov, Anatoly – 1-0 – Anand, Viswanathan – G38 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 h6 10. Nc3 Re8
Interpolis 1993 – Round 2 – Karpov, Anatoly – 1-0 – Romanishin, Oleg M – G89 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Nc3 Nbd7
Linares 1992 – Round 12 – Beliavsky, Alexander G – 0-1 – Karpov, Anatoly – G46 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Bc3 d5 10. Ne5 Qc8
Linares 1992 – Round 13 – Salov, Valery – 1-0 – Timman, Jan H – G24 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 Be4 10. Qb2 h6
Linares 1992 – Round 7 – Karpov, Anatoly – 1-0 – Salov, Valery – G16 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Nc3 d5 10. Qc2 Na6
Olympiad 2002 – Round 10 – Khalifman, Alexander – 1-0 – Zhang, Zhong – G332 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Nc3 Nbd7
Olympiad 2002 – Round 7 – Sturua, Zurab – 1/2-1/2 – Baklan, Vladimir – G226 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. a3 Bxd2
Qatar Masters Open 2015 – Round 4.4 – Dubov, Daniil – 1/2-1/2 – Mamedyarov, Shakhriyar – G151 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Bc3 d5 10. a3 Bd6
Roquebrune rapid 1992 – Round 21 – Polugaevsky, Lev – 1/2-1/2 – Anand, Viswanathan – G68 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Nc3 h6 10. Qc2 Re8
SportAccord Blitz Men 2013 – Round 8.3 – Giri, Anish – 1-0 – Ivanchuk, Vasyl – G56 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 c5 10. Bg5 a4
Tilburg Fontys 1996 – Round 6 – Van Wely, Loek – 1-0 – Karpov, Anatoly – G25 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Nc3 d6 10. Qc2 Nbd7
Turin ol (Men) 37th 2006 – Round 6 – Cheparinov, Ivan – 1-0 – Hellsten, Johan – G76 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Bc3 d5
World Blitz 2006 – Round 1 – Gurevich, Dmitry – 0-1 – Anand, Viswanathan – G4 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 h6 10. Bf4 Na6
World Blitz 2007 – Round 15 – Kramnik, Vladimir – 1-0 – Adams, Michael – G142 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d6 10. Rd1 Nbd7
World Blitz 2007 – Round 9 – Kasimdzhanov, Rustam – 1/2-1/2 – Adams, Michael – G84 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Nc3 d6 10. Qc2 Nbd7
World Blitz 2022 – Round 14.49 – Sargissian, Gabriel – 0-1 – Pranav, V – G760 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Bf4 a4 10. bxa4 d6
World Cup 1989 – Round 1 – Nikolic, Predrag – 1/2-1/2 – Salov, Valery – G31 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Qc2 d5 10. Bf4 a4

E15n — Nimzowitsch

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb7 6.Bg2 Bb4+ 7.Bd2 a5 8.O-O O-O

Les coups candidats

9.Qc2 — 40.6% (556 parties)

Ambassadeurs : Romanishin, Oleg M (12x), Korchnoi, Viktor (10x), Shablinsky, Mikhail Ivanovich (9x), Szabo, Vilmos (8x), Nikolic, Predrag (7x), Timman, Jan H (7x), Karpov, Aleksandr (6x), Iotov, Valentin (6x)

9.Nc3 — 27.4% (375 parties)

Ambassadeurs : Korchnoi, Viktor (10x), Epishin, Vladimir (8x), Pinter, Jozsef (8x), Romanishin, Oleg M (7x), Almasi, Zoltan (6x), Baklan, Vladimir (5x), Barus, Cerdas (5x), Safarli, Elmir (5x)

9.a3 — 15.5% (212 parties)

Ambassadeurs : Epishin, Vladimir (6x), Jasnikowski, Zbigniew (3x), Polak, Tomas (3x), Romanishin, Oleg M (3x), Muhl, Patrick (3x), Mitrabha, Guha (3x), Sjoberg, Mats (2x), Stefansson, Hannes (2x)

9.Bc3 — 5.6% (77 parties)

Ambassadeurs : Novikov, Igor (7x), Arkell, Keith C (5x), Romanishin, Oleg M (3x), Hebden, Mark L (3x), Balashov, Yuri (2x), Kempinski, Robert (2x), Gheorghiu, Florin (2x), Mamedyarov, Shakhriyar (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Qc2	9.Nc3	9.a3	9.Bc3
<1800	6	17%	17%	50%	—
1800-2200	224	48%	21%	21%	2%
2200-2600	930	37%	29%	15%	7%
2600+	120	45%	32%	8%	7%

Évolution par décennie (% des parties)

Décennie	N parties	9.Qc2	9.Nc3	9.a3	9.Bc3
1970s	1	100%	—	—	—
1980s	90	32%	22%	8%	13%
1990s	271	34%	34%	10%	10%
2000s	514	45%	28%	14%	4%
2010s	434	41%	24%	21%	3%
2020s	60	37%	23%	23%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Qc2	41%	37%	▼ -4.6%
9.Nc3	24%	23%	▼ -0.9%
9.a3	21%	23%	▲ +2.1%
9.Bc3	3%	7%	▲ +3.2%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 10 parties
Anand, Viswanathan — 8 parties
Karpov, Anatoly — 7 parties
Ding, Liren — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

9.Qc2 — 40.6% (556 parties)

1977 — Lengyel, Laszlo vs Csom, Istvan — 1/2-1/2 — Budapest ch-HUN
1985 — Torre, Eugenio vs Short, Nigel D — 0-1 — Biel izt plof
1985 — Rao, Vivek vs Spassky, Boris V. — 1/2-1/2 — Hollywood, FL USA
1985 — Sygulski, Artur vs Gruen, Gerd-Peter — 1-0 — Pohja
1985 — Hawksworth, John C vs Wade, Robert G — 1/2-1/2 — Catford

9.Nc3 — 27.4% (375 parties)

1985 — Chernin, Alexander vs Spassky, Boris V. — 1/2-1/2 — Montpellier FRA
1985 — Chernin, Alexander vs Spassky, Boris Vasily — 1/2-1/2 — Montpellier FRA
1986 — Sinkovics, Peter vs Horvath, Jozsef — 0-1 — ?
1987 — Neverov, Valeriy vs Gurevich, Mikhail — 1/2-1/2 — Tbilisi GEO
1987 — Ribli, Zoltan vs Nikolic, Predrag — 1/2-1/2 — Reggio Emilia ITA

9.a3 — 15.5% (212 parties)

1985 — Ostenstad, Berge vs Gruen, Gerd-Peter — 0-1 — Pohja
1987 — Nikolic, Predrag vs Polugaevsky, Lev — 1/2-1/2 — Sarajevo BIH
1987 — Jasnikowski, Zbigniew vs Kostyra, Stanislaw — 1-0 — Warszawa MINISTER KO
1987 — Jasnikowski, Zbigniew vs Kruszynski, Wlodzimierz — 1/2-1/2 — POL-ch sf Gdynia POL
1987 — Lopez Molnar, Aidan Mikael vs Farkas Tomljenovic, Jakov — 1-0 — Sopron

9.Bc3 — 5.6% (77 parties)

1987 — Pinter, Jozsef vs Korchnoi, Viktor — 0-1 — Zagreb CRO
1988 — Hansen, Lars Bo vs Eingorn, Vereslav S — 1/2-1/2 — Copenhagen DEN
1988 — Schussler, Harry vs Polugaevsky, Lev — 1/2-1/2 — Haninge SWE
1988 — Ruban, Vadim vs Balashov, Yuri — 1/2-1/2 — Uzhgorod USSR-OT56
1988 — Novikov, Igor vs Balashov, Yuri — 1/2-1/2 — Naberezhnie Chelni

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