E11q — Bogo-Indian: Nimzowitsch, 5.g3 O-O

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 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.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, le fou f1 et les tours a1 et h1).

Plans. e4 (Centre d4+e4, menace e5, libère Bf1) ; Nc3 (Développer Nb1) ; 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. Le fou enfermé en f1 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...c5 (Rupture) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v0)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Bd2	● Bd2 Actif (mob. 7)
Bb4		● Bb4 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● bishop d2	—
Non développées	4 (● b1, ● 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, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1927 London olm – Round 1 – Gruenfeld, Ernst – 1-0 – Euwe, Max – G9 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e4 Bg4 10. d5 Qd7
1927 New York – Round 2 – Vidmar, Milan Sr – 1/2-1/2 – Alekhine, Alexander – G21 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. Qc2 Nc6 10. e3 Bd7
1928 Haag olm – Round ? – Oren, Menachem – 0-1 – Vajda, Arpad – G13 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. Qb3 Nc6 10. e3 a5
1928 It BSG Berlin GER – Round 12 – Koch, Berthold – 1-0 – Johner, Paul – G51 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. Qc2 Ne4 8. a3 Bxd2+ 9. Nfxd2 f5 10. O-O c6
1928 The Hague ol (Men) – Round 1 – Frydman, Paulino – 1-0 – Andersen, Erik – G3 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. O-O Nbd7 8. a3 Bxd2 9. Nbxd2 Rd8 10. Qc2 c6
1931 Buenos Aires – Round 1 – Concepcion Villegas, Bryan Uriel – 1-0 – Falcon, Enrique – G9 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 Ne4 7. O-O Nxd2 8. Nbxd2 f5 9. Nb3 Qf6 10. c5 Nc6
1931 Moskou ch-URS – Round 1 – Budo, Alexander Semenovich – 1/2-1/2 – Botvinnik, Mikhail – G54 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. O-O e5 9. Nc3 Re8 10. e4 Bg4
1931 Nice – Round 1 – Noteboom, Daniel – 1/2-1/2 – Vajda, Arpad – G4 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 Ne4 8. Qc2 f5 9. O-O Nc6 10. a3 Qf6
1931 Trebitsch mem14 – Round 10 – Gruenfeld, Ernst – 1-0 – Koenig, Imre – G30 1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. Qb3 Bxd2+ 8. Nbxd2 Nbd7 9. O-O c6 10. Rfe1 Rd8
1931 Trebitsch mem14 – Round 3 – Gruenfeld, Ernst – 1-0 – Boros, Sandor – G7 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e4 g6 10. Qb3 c5
1932 Leningrad Ch – Round 1 – Budo, Alexander Semenovich – 1/2-1/2 – Rabinovich, Ilya Mar – G23 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. O-O Ne4 9. Qc2 f5 10. Nh4 d5
1934 BCF Ch 27th – Round 2 – Cross, Alfred Rupert Neale – 1-0 – Winter, William – G6 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e4 Nbd7 10. d5 a5
1934 BCF Ch 27th – Round 5 – Fairhurst, William – 1/2-1/2 – Alexander, Conol Hugh – G25 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. Qb3 Nc6 8. O-O Ne4 9. Bxb4 Qxb4 10. Qxb4 Nxb4
1934 Leningrad ch-URS – Round 1 – Chekhover, Vitaly – 1-0 – Mazel, Isaak Y – G81 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 Nbd7 9. O-O e5 10. e4 Nb6
1934 Leningrad ch-URS – Round 1 – Rabinovich, Ilya Mar – 1-0 – Mazel, Isaak Y – G39 1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 Nbd7 9. O-O c6 10. e4 e5
1936 Bad Nauheim – Round 8 – Vidmar, Milan Sr – 1-0 – Weissgerber, Gerhard – G35 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. Qc2 Nc6 10. e3 Nh5
1936 Bad Nauheim – Round 8 – Vidmar, Milan Sr – 1-0 – Weissgerber, Gerhard – G36 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. Qc2 Nc6 10. e3 Nh5
1938 Argentina – Round 6 – Camara Bordon, Luis Marcos – 0-1 – Bolbochan, J. – G27 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 e5 9. O-O c6 10. Rfd1 e4
1938 Ljubljana – Round 8 – Vidmar Milan – 1/2-1/2 – Trifunovic, Petar – G56 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 Ne4 8. Qc2 f5 9. O-O d6 10. Nc3 Nxc3
1938 New York – Round 1 – Reshevsky, Samuel – 1-0 – Treysman, George – G6 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 d5 7. Qc2 Ne4 8. O-O Nxd2 9. Nbxd2 c6 10. e4 Bxd2
1939 Buenos Aires ol prel-C – Round 6 – Vaitonis, Povilas – 1-0 – Poulsen, Christian – G19 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. O-O Bxd2 8. Qxd2 Nbd7 9. Rc1 c6 10. cxd5 exd5
1939 Margate – Round 9 – Wheatcroft, George – 1/2-1/2 – Milner Barry, Philip – G40 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e4 Nbd7 10. Qc2 Re8
1940 GER Ch 7th – Round 1 – Gilg, Karl – 1-0 – Engert, Immo – G1 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 Nbd7 9. O-O c6 10. e4 e5
1942 Duras 60 Memorial – Round 11 – Kottnauer, Cenek – 1/2-1/2 – Zita, Filip – G49 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 Bxd2+ 7. Qxd2 d6 8. Nc3 c6 9. d5 c5 10. O-O e5
1945 USA-URS radio-m – Round 1 – Bondarevsky, Igor – 0-1 – Steiner, Heinrich Jun. – G8 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. a3 Bxd2+ 8. Nbxd2 Nbd7 9. O-O Ne4 10. Qc2 Nxd2
1946 Prague – Round 1 – Trifunovic, Petar – 1-0 – Katetov, Miroslav – G9 1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. g3 Nf6 5. Bg2 O-O 6. Nf3 Bxd2+ 7. Qxd2 Ne4 8. Qc2 Qb4+ 9. Nbd2 Nxd2 10. Nxd2 Qe7
1947 Aalborg – Round 6 – Nielsen, Julius – 0-1 – Herseth, Storm – G21 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. O-O c6 8. Bg5 Nbd7 9. Qc2 h6 10. Bf4 g5
1947 Leningrad ch-URS – Round 17 – Alatortsev, Vladimir N. – 1/2-1/2 – Kasparian, Genrikh – G152 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 d5 7. O-O Nc6 8. Bg5 dxc4 9. Ne5 h6 10. Bxf6 Qxf6
1947 Leningrad ch-URS – Round 9 – Kan, Ilya A – 1-0 – Kasparian, Genrikh – G97 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. O-O e5 9. Nc3 c6 10. e4 Bg4
1947 Mar del Plata – Round 7 – Euwe, Max – 0-1 – Bolbochan, J. – G63 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 Bxd2+ 7. Qxd2 d5 8. O-O Nc6 9. Ne5 Nxe5 10. dxe5 Nd7
1947 Parnu – Round 1 – Smyslov, Vladimir – 1-0 – Kasparian, Genrikh – G3 1. c4 Nf6 2. d4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 Ne4 7. O-O Nxd2 8. Nbxd2 Bxd2 9. Qxd2 d6 10. Qc3 Nd7
1950 DDR Ch – Round 11 – Burkhardt, Erich – 0-1 – Pietzsch, Wolfgang – G22 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. dxe5 dxe5 10. Qc2 c6
1952 Helsinki olm – Round 1 – Bolbochan, J. – 1/2-1/2 – Kaila, Osmo – G69 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 c5 9. O-O b6 10. Nh4 Bb7
1952 Helsinki olm – Round 1 – Donner, Jan-Hein – 1-0 – Kaila, Osmo – G68 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 c5 9. O-O Nc6 10. b3 Rb8
1953 ITA-ch16 – Round 1 – Szabados, Eugenio – 0-1 – Castiglioni Ferruccio – G2 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. O-O Bxd2 8. Nbxd2 Nbd7 9. Qc2 c6 10. Rfe1 Rd8
1954 DDR Ch U20 – Round 15 – Moehring, Guenther – 1/2-1/2 – Bertholdt, Dieter – G68 1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 c6 9. O-O e5 10. dxe5 dxe5
1955 Ljubljana – Round 14 – Udovcic, Mijo – 1-0 – Grosek, Branko – G118 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e4 Bg4 10. Qb3 b6
1958 Argentina – Round 4 – Garcia Rodriguez, Raimundo – 1-0 – Espinosa Flores, Rafael Emilio – G28 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 d5 7. O-O Nbd7 8. cxd5 exd5 9. Nc3 c6 10. e3 a5
1958 HUN Ch 13th – Round 11 – Gasztonyi, Endre – 0-1 – Lengyel, Levente – G94 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 Ne4 8. Qc2 Qb4+ 9. Nfd2 Nxd2 10. Nxd2 Qe7
1959 GDR Ch Leipzig GER – Round 1 – Zirngibl, Albert – 1-0 – Handel, Horst – G3 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 e5 9. O-O Nc6 10. Nd5 Qd8
1959 URS Team Ch – Round ? – Makogonov, Vladimir – 1-0 – Golyak, Isay G – G107 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 e5 9. O-O Nc6 10. d5 Nb8
1959 Warsaw Legion tt – Round 5.1 – Pytlakowski, Andrzej – 1-0 – Smederevac, Petar – G34 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Ne4 7. O-O Nxd2 8. Nbxd2 c6 9. a3 Ba5 10. b4 Bc7
1959 Warsaw Legion tt – Round 5.3 – Zirngibl, Albert – 0-1 – Juchimiuk, Wieslaw – G40 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Ne4 7. O-O Nxd2 8. Nbxd2 c6 9. Nb3 Bd6 10. e4 Bc7
1960 Ljubljana – Round 10 – Bertok, Mario Jr. – 1-0 – Smederevac, Petar – G75 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e4 c5 10. d5 Ne8
1961 FRG Ch Bad Prymont – Round 14 – Pfleger, Helmut, Dr. – 1-0 – Kestler, Hans-Guenther – G31 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e3 Bg4 10. Qb3 Bxf3
1963 Europe Team Ch qual – Round 1.2 – Naef, Wladimir – 0-1 – Clemens, Christian, Dr. – G6 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. Qc2 e4 10. Ne1 e3
1964 Buenos Aires – Round 9 – Guimard, Carlos E – 1-0 – Wexler, Bernardo – G84 1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 e5 9. O-O a5 10. Rac1 Re8
1964 Tel Aviv olm prel – Round 6 – Kolvig, Bent – 1-0 – Sumar, Julio – G216 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nf3 Ne4 7. O-O Nxd2 8. Nbxd2 d5 9. Rc1 Bxd2 10. Qxd2 c6
1968 Amsterdam m1 – Round 11 – Lengyel, Laszlo – 1-0 – Shamkovich, Leonid – G7 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 e5 9. O-O Nc6 10. d5 Nb8
41. Olympiad Open 2014 – Round 4.7 – Baramidze, David – 1-0 – Tillyaev, Ulugbek – G304 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 O-O 6. Bg2 b6 7. O-O Bb7 8. Bg5 h6 9. Bxf6 Qxf6 10. a3 Be7
Amsterdam 1981 – Round 11 – Polugaevsky, Lev – 0-1 – Ree, Hans – G27 1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 Ne4 8. Qc2 f5 9. O-O d6 10. Nh4 g5
Bugojno 1980 – Round 7 – Kavalek, Lubomir – 1/2-1/2 – Kurajica, Bojan – G27 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e4 Bg4 10. d5 a5
Interpolis 1986 – Round 6 – Timman, Jan H – 1/2-1/2 – Korchnoi, Viktor – G18 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d5 8. O-O Rd8 9. Qc2 Nc6 10. cxd5 exd5
Tilburg 1982 – Round ? – Petrosian, Tigran V – 1/2-1/2 – Andersson, Ulf 1949 – G10 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. O-O Nc6 8. Bg5 dxc4 9. Nfd2 Bxd2 10. Nxd2 h6
World Cup 1989 – Round 1 – Karpov, Anatoly – 1-0 – Nikolic, Predrag – G15 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. Nc3 e5 9. O-O Re8 10. e4 Bg4
World Rapid 2019 – Round 15.40 – Pashikian, Arman – 0-1 – Adly, Ahmed – G975 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. Qc2 c5 8. dxc5 Qxc5 9. Bxb4 Qxb4+ 10. Nbd2 Bd7

E11q — Nimzowitsch

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 O-O

Eval: [+0.39]

Les coups candidats

6.Bg2 — 94.3% (2085 parties) →

Ambassadeurs : Wilshusen, Horst (26x), Inkiov, Ventzislav (21x), Hernandez Onna, Roman (18x), Rimkus, Bronius I (18x), Krumpacnik, Domen (16x), Andersson, Ulf (8x), Baumbach, Friedrich, Dr. (8x), Ogaard, Leif (7x)

6.Nc3 — 5.0% (111 parties)

Ambassadeurs : Sharif, Mehrshad (2x), Krocian, Jan (1x), Salmins, Gedimins (1x), Bretsnajdr, Vladimir (1x), Kochyev, Alexander (1x), Bany, Jerzy (1x), Tomaszewski, Roman (1x), Poscente, Davide (1x)

6.a3 — 0.5% (12 parties)

Ambassadeurs : Friedemann, Gunnar (1x), Ozols, Karlis (1x), Thibaut, Georges (1x), Zimmermann, Otto (1x), Staudte, Rainer, Dr. (1x), Breuer, Falk (1x), Jaros, Josef (1x), Ponomarev, Sergei Nikolaevich (1x)

6.Qc2 — 0.1% (3 parties)

Ambassadeurs : Blucha, Dalibor (1x), Leitner, Federico (1x), Bingham, James T (1x), Adams, Mark A (1x), Alm, Hakan (1x), Kall, Anders (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Bg2	6.Nc3	6.a3	6.Qc2
<1800	43	91%	7%	2%	—
1800-2200	616	93%	6%	0%	0%
2200-2600	1213	95%	5%	0%	—
2600+	12	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Bg2	6.Nc3	6.a3	6.Qc2
1920s	7	100%	—	—	—
1930s	23	96%	—	4%	—
1940s	9	100%	—	—	—
1950s	16	88%	—	6%	6%
1960s	10	100%	—	—	—
1970s	43	100%	—	—	—
1980s	251	97%	3%	—	—
1990s	430	97%	3%	0%	—
2000s	487	96%	4%	0%	0%
2010s	760	91%	8%	1%	0%
2020s	175	95%	5%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Bg2	91%	95%	▲ +4.8%
6.Nc3	8%	5%	▼ -3.7%
6.a3	1%	0%	▼ -0.9%
6.Qc2	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 2 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Alekhine, Alexander — 1 partie
Kasparov, Garry — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

6.Bg2 — 94.3% (2085 parties)

1927 — Preusse, August Georg vs Machate, Gottlieb — 1-0 — Magdeburg GER
1927 — Gruenfeld, Ernst vs Euwe, Max — 1-0 — London ENG
1927 — Vidmar, Milan Sr vs Alekhine, Alexander — 1/2-1/2 — New York, NY USA
1928 — Izmailov, Peter Nikolaevich vs Kan, Ilya A — 0-1 — Moscow RUS
1928 — Frydman, Paulino vs Andersen, Erik — 1-0 — The Hague NED

6.Nc3 — 5.0% (111 parties)

1983 — Inkiov, Ventzislav vs Georgiev, Kiril — 1/2-1/2 — BUL-ch Pernik
1984 — Krocian, Jan vs Salmins, Gedimins — 1/2-1/2 — EU-FSM corr
1984 — Christiansen, Larry vs Garcia Gonzales, Guillermo — 1-0 — Thessaloniki GRE
1987 — Bany, Jerzy vs Tomaszewski, Roman — 1/2-1/2 — Poland
1988 — Shcherbakov, Ruslan vs Volosin, Leon — 0-1 — Naberezhnie Chelni

6.a3 — 0.5% (12 parties)

1937 — Friedemann, Gunnar vs Ozols, Karlis — 1/2-1/2 — Stockholm SWE
1950 — Thibaut, Georges vs Zimmermann, Otto — 1-0 — Switzerland
1996 — Staudte, Rainer, Dr. vs Breuer, Falk — 1-0 — Gruenheide
2008 — Jaros, Josef vs Ponomarev, Sergei Nikolaevich — 0-1 — St Gallen
2008 — Herdin, Matthew vs Wyant, Matt — 1-0 — Redmond, WA

6.Qc2 — 0.1% (3 parties)

1950 — Blucha, Dalibor vs Leitner, Federico — 0-1 — Chocen
2009 — Bingham, James T vs Adams, Mark A — 1-0 — Hinckley Island
2012 — Alm, Hakan vs Kall, Anders — 0-1 — Sweden

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