E21g — Nimzo-Indian: Nimzo-Queen’s Hybrid, 5.Qb3

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.Qb3 * ● 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 b5, e5 et g5 et la paire de fous.

Côté adverse. Le fou enfermé en c8, le roi resté au centre et une pièce en prise (le fou en b4).

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. e4 (Centre d4+e4, menace e5, libère Bf1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

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

Atouts. Les Noirs s'appuient sur un fou actif en b4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (● c1, ● f1, ● a1, ● h1)	4 (● b8, ● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	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
1925 Moscow – Round 1 – Marshall Viele, Fabrizio Aaron – 0-1 – Saemisch, Friedrich – G59 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nc3 b6 5. Qb3 Qe7 6. Bf4 Bxc3+ 7. Qxc3 d6 8. e3 Bb7 9. Bd3 Ne4 10. Qc2 f5
1933 Leningrad ch-URS – Round 1 – Savitsky, Leonid – 1-0 – Lisitsin, Georgy – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. g3 Bb7 7. Bg2 Ne4 8. O-O Bxc3 9. bxc3 O-O 10. c5 Nc6
1935 Buenos Aires – Round 6 – Guimard, Carlos E – 1-0 – Cristia, Jose Maria – G60 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb4 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 Ne4 8. Qc2 f5 9. Bg2 Qf6 10. O-O O-O
1944 La Plata Jockey Club – Round 7 – Stahlberg, Gideon – 1-0 – Sanguinetti, Renato – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. e3 Bb7 7. Be2 O-O 8. O-O Bxc3 9. bxc3 d6 10. Nd2 c5
1946 Mar del Plata – Round 13 – Stahlberg, Gideon – 1/2-1/2 – Rocas, Orlando – G116 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. g3 Bb7 7. Bg2 O-O 8. O-O Bxc3 9. Qxc3 d6 10. b3 Nbd7
1946 Mar del Plata – Round 7 – Letelier Martner, Rene – 1-0 – Rocas, Orlando – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. a3 Bxc3+ 7. Qxc3 Bb7 8. e3 O-O 9. Bd3 Ne4 10. Qc2 f5
1947 Hungary – Round 1 – Tipary, Lajos – 0-1 – Laszlo, Csaba – G16 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb4 5. Qb3 Qe7 6. a3 Bxc3+ 7. Qxc3 Bb7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Ne4
1949 Baarn – Round 7 – Barendregt, Johan – 1/2-1/2 – Euwe, Max – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. Bf4 Bxc3+ 7. Qxc3 d6 8. g3 Bb7 9. Bg2 Nbd7 10. O-O O-O
1949 Beverwijk NED – Round ? – O'Kelly de Galway, Alberic – 0-1 – Golombek, Harry – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. g3 Bb7 7. Bg2 c5 8. dxc5 Qxc5 9. O-O Bxc3 10. Qxc3 O-O
1949 Oldenburg – Round 5 – O'Kelly de Galway, Alberic – 1-0 – Saemisch, Friedrich – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. g3 Bb7 7. Bg2 O-O 8. O-O Bxc3 9. Qxc3 d6 10. b3 c5
1949 Split/Belgrade m – Round 12 – Stahlberg, Gideon – 1/2-1/2 – Gligorić, Svetozar – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 O-O 8. Bg2 d6 9. O-O Nbd7 10. b3 Rb8
1949 Trencianske-Teplice – Round 1 – Stahlberg, Gideon – 1-0 – Rossolimo, Nicolas – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. a3 Bxc3+ 7. Qxc3 Bb7 8. g3 d6 9. Bg2 Nbd7 10. O-O O-O
1950 Amsterdam ch-NED – Round 1 – Barendregt, Johan – 1/2-1/2 – Spanjaard, Eduard – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. Bf4 Bxc3+ 7. Qxc3 d6 8. g3 Bb7 9. Bg2 Nbd7 10. O-O O-O
1950 Venice – Round 12 – Donner, Jan-Hein – 1-0 – Golombek, Harry – G97 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 d6 8. Bg2 Nbd7 9. O-O O-O 10. b3 Qc8
1950 Vienna – Round 5 – Van den Tol, Theo – 1/2-1/2 – Gruenfeld, Ernst – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 d6 8. Bg2 Nbd7 9. O-O O-O 10. b3 Qe7
1951 It Dortmund GER – Round 11 – O'Kelly de Galway, Alberic – 1-0 – Keller, Edith – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 O-O 8. Bg2 d6 9. b3 Nbd7 10. O-O Qe7
1951 Mar del Plata zt – Round 19 – Flores Alvarez, Rodrigo – 1/2-1/2 – Marini, Liam – G183 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. g3 Bb7 7. Bg2 O-O 8. O-O Bxc3 9. Qxc3 d6 10. b3 c5
1951 Reggio Emilia – Round 6 – Wade, Robert G – 1/2-1/2 – Millini, Paolo – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 O-O 8. Bg2 d6 9. O-O Nbd7 10. b3 c5
1957 Wageningen zt – Round 8 – Alster, Ladislav – 0-1 – Hanninen, Veikko – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. b4 Ne4 8. Qd3 d5 9. c5 a5 10. cxb6 axb4
1958 Clare Benedict Cup 05th – Round 1 – Van Scheltinga, Theo – 1-0 – Szabados, Eugenio – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. a3 Bxc3+ 7. Qxc3 Bb7 8. g3 O-O 9. Bg2 d6 10. O-O Nbd7
1958 Munich olm fin-B – Round 4 – Szabo, Laszlo – 1-0 – Sliwa, Bogdan – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 Qe7 6. a3 Bxc3+ 7. Qxc3 Bb7 8. b4 a5 9. b5 d6 10. g3 Nbd7
1960 Leningrad tt – Round 11 – Sokolov, Vladimir – 1-0 – Langeweg, Kick – G149 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nc3 b6 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 d6 8. Bg2 Nbd7 9. O-O a5 10. b3 O-O
1962 Stockholm Interzonal – Round 5 – Uhlmann, Wolfgang – 1-0 – German, Eugenio – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qb3 Qe7 6. a3 Bxc3+ 7. Qxc3 Bb7 8. g3 c5 9. Bg2 cxd4 10. Qxd4 Nc6
1965 IBM II – Round 4 – Ghitescu, Theodor – 1-0 – De Graaff, RAG. – G5 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 d6 8. Bg2 Nbd7 9. O-O O-O 10. Ne1 Bxg2
1967 IBM – Round 11 – Ghitescu, Theodor – 1/2-1/2 – Langeweg, Kick – G38 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qb3 Qe7 6. g3 Bb7 7. a3 Bxc3+ 8. Qxc3 d6 9. Bg2 Nbd7 10. O-O O-O
Candidats Tournament 1985 – Round 4 – Seirawan, Yasser – 1/2-1/2 – Sokolov, Andrei – G21 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qb3 Qe7 6. Bg5 Bb7 7. e3 a5 8. a3 Bxc3+ 9. Qxc3 Ne4 10. Bxe7 Nxc3
Hastings8899 1988 – Round 1 – Smyslov, Vassily – 1-0 – Chandler, Murray G – G12 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb4 5. Qb3 Qe7 6. a3 Bxc3+ 7. Qxc3 Bb7 8. g3 O-O 9. Bg2 d6 10. O-O Nbd7

E21g — Nimzo-Queen’s Hybrid

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.Qb3

Les coups candidats

5…c5 — 60.7% (1089 parties) →

Ambassadeurs : Seirawan, Yasser (24x), Sokolov, Ivan (12x), Van Wely, Loek (11x), Barsov, Alexei (9x), Timman, Jan H (9x), Adams, Michael (9x), Dreev, Aleksey (7x), Yrjola, Jouni (7x)

5…a5 — 16.1% (288 parties) →

Ambassadeurs : Edouard, Romain (6x), Garcia Palermo, Carlos Horacio (4x), Miles, Anthony J (4x), Gretarsson, Helgi Ass (4x), Shishkin, Vadim (4x), Bocharov, Dmitry (4x), Giorgadze, Tamaz (3x), Sokolov, Andrei (3x)

5…Bxc3+ — 11.4% (204 parties)

Ambassadeurs : Barsov, Alexei (4x), Szeberenyi, Adam (3x), Botvinnik, Mikhail (2x), Ghitescu, Theodor (2x), Ambroz, Jan (2x), Giorgadze, Tamaz (2x), Kavalek, Lubomir (2x), Wójcik, Wieslaw (2x)

5…Qe7 — 10.0% (180 parties)

Ambassadeurs : Stahlberg, Gideon (3x), Ubilava, Elizbar (3x), Karpov, Aleksandr (3x), Pogorelov, Ruslan (3x), Barendregt, Johan (2x), O'Kelly de Galway, Alberic (2x), Saemisch, Friedrich (2x), Rocas, Orlando (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…c5	5…a5	5…Bxc3+	5…Qe7
<1800	32	72%	3%	19%	3%
1800-2200	376	61%	9%	21%	7%
2200-2600	1038	60%	20%	7%	10%
2600+	110	71%	17%	—	11%

Évolution par décennie (% des parties)

Décennie	N parties	5…c5	5…a5	5…Bxc3+	5…Qe7
1880s	1	—	—	—	100%
1920s	2	50%	—	—	50%
1930s	5	20%	—	60%	20%
1940s	17	18%	18%	12%	53%
1950s	18	33%	11%	28%	28%
1960s	17	59%	—	18%	24%
1970s	5	20%	40%	40%	—
1980s	163	50%	25%	10%	14%
1990s	352	60%	20%	9%	10%
2000s	632	63%	15%	12%	9%
2010s	464	66%	12%	12%	8%
2020s	117	61%	18%	11%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…c5	66%	61%	▼ -5.3%
5…a5	12%	18%	▲ +5.4%
5…Bxc3+	12%	11%	▼ -1.2%
5…Qe7	8%	8%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 4 parties
Kasparov, Garry — 4 parties
Smyslov, Vladimir — 3 parties
Karpov, Aleksandr — 3 parties
Botvinnik, Mikhail — 2 parties
Euwe, Max — 1 partie
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

5…c5 — 60.7% (1089 parties)

1925 — Bogoljubow, Efim vs Smirnov, Alexander Al — 1-0 — Leningrad RUS
1930 — Eastman, George vs Belson, John — 1/2-1/2 — Toronto CAN
1945 — Stahlberg, Gideon vs Guimard, Carlos E — 1-0 — Buenos Aires ARG
1945 — Stahlberg, Gideon vs Sanguinetti, Renato — 1-0 — Mar del Plata ARG
1946 — Stahlberg, Gideon vs Maccioni, Alejandro — 1-0 — Mar del Plata ARG

5…a5 — 16.1% (288 parties)

1943 — Stahlberg, Adam vs Concepcion Villegas, Bryan Uriel — 1-0 — Buenos Aires ARG
1943 — Rossetto, Hector vs Concepcion Villegas, Bryan Uriel — 1-0 — Mar del Plata ARG
1944 — Keres, Paul Petrovich vs Arulaid, Alexander — 1-0 — Match Tallinn EST
1951 — Gligorić, Svetozar vs Kramer, Haije — 1-0 — Bad Pyrmont GER
1955 — Goldenov, Boris P vs Sokolsky, Alexey — 1/2-1/2 — Minsk BLR

5…Bxc3+ — 11.4% (204 parties)

1930 — Alatorcev V vs Botvinnik, Mikhail — 0-1 — Leningrad chc
1930 — Alatortsev, Vladimir N. vs Botvinnik, Mikhail — 0-1 — Leningrad ch-city
1935 — Guimard, Carlos E vs Cristia, Jose Maria — 1-0 — Buenos Aires ARG
1943 — Machate, Gottlieb vs Rellstab, Ludwig Sr — 1-0 — Bremen GER
1949 — Stahlberg, Gideon vs Gligorić, Svetozar — 1/2-1/2 — Belgrade SRB

5…Qe7 — 10.0% (180 parties)

1887 — Englisch, Berthold vs Noa, Joseph — 1-0 — Frankfurt GER
1925 — Marshall Viele, Fabrizio Aaron vs Saemisch, Friedrich — 0-1 — Moscow RUS
1933 — Savitsky, Leonid vs Lisitsin, Georgy — 1-0 — Leningrad ch-URS
1944 — Stahlberg, Gideon vs Sanguinetti, Renato — 1-0 — La Plata
1946 — Stahlberg, Gideon vs Rocas, Orlando — 1/2-1/2 — Mar del Plata ARG

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →

E21g — Nimzo-Indian: Nimzo-Queen’s Hybrid, 5.Qb3

♔ Point de vue Blancs

♚ Point de vue Noirs

1925 Moscow – Round 1 – Marshall Viele, Fabrizio Aaron – 0-1 – Saemisch, Friedrich – G59

1933 Leningrad ch-URS – Round 1 – Savitsky, Leonid – 1-0 – Lisitsin, Georgy – G13

1935 Buenos Aires – Round 6 – Guimard, Carlos E – 1-0 – Cristia, Jose Maria – G60

1944 La Plata Jockey Club – Round 7 – Stahlberg, Gideon – 1-0 – Sanguinetti, Renato – G34

1946 Mar del Plata – Round 13 – Stahlberg, Gideon – 1/2-1/2 – Rocas, Orlando – G116

1946 Mar del Plata – Round 7 – Letelier Martner, Rene – 1-0 – Rocas, Orlando – G72

1947 Hungary – Round 1 – Tipary, Lajos – 0-1 – Laszlo, Csaba – G16

1949 Baarn – Round 7 – Barendregt, Johan – 1/2-1/2 – Euwe, Max – G21

1949 Beverwijk NED – Round ? – O’Kelly de Galway, Alberic – 0-1 – Golombek, Harry – G5

1949 Oldenburg – Round 5 – O’Kelly de Galway, Alberic – 1-0 – Saemisch, Friedrich – G19

1949 Split/Belgrade m – Round 12 – Stahlberg, Gideon – 1/2-1/2 – Gligorić, Svetozar – G12

1949 Trencianske-Teplice – Round 1 – Stahlberg, Gideon – 1-0 – Rossolimo, Nicolas – G12