E43d — Nimzo-Indian: Nimzowitsch, 5.Nf3 Bb7

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nf3 Bb7 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte b5, case forte e5, paire de fous.
Faiblesses adverses : roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bd2 — Développer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, Bb4 actif, Bb7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, 3 pièces non développées (B8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E43d — Nimzowitsch

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nf3 Bb7

Eval: [+0.32]

Les coups candidats

6.Bd3 — 65.8% (2811 parties) →

Ambassadeurs : Chatalbashev, Boris (46x), Malaniuk, Vladimir P (32x), Batsiashvili, Nino (15x), Borisenko, Georgy K (13x), Lukacs, Peter (12x), Ipatov, Alexander (11x), Kolanek, Roman (11x), Vodicka, Milan (10x)

6.Bd2 — 18.5% (788 parties)

Ambassadeurs : Harum Frl (3x), Vesely, Jaromir (3x), Soto Larrea, Manuel (2x), Romanovsky, Pjotr (2x), Dubinin, Peter (2x), Lagha, Khelil (2x), Kozomara, Vlado (2x), Lein, Anatoly (2x)

6.Be2 — 9.7% (415 parties)

Ambassadeurs : Kolanek, Roman (7x), Florea, Dan (3x), Schouten, Nico (3x), Garcia Gonzales, Guillermo (2x), Estevez, Guillermo (2x), Schmorleiz, Bernd (2x), Kelly Vilar (2x), Semen Dusan (2x)

6.a3 — 3.7% (157 parties)

Ambassadeurs : Brose, Ernest W (1x), Steiner, Lajos (1x), Toothill, Andrew (1x), Scholes, James E (1x), Weiss, Thomas (1x), Jensen, Henning (1x), Wuertz, Wilhelm (1x), Both, Gerhard (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Bd3	6.Bd2	6.Be2	6.a3
<1800	160	42%	30%	16%	8%
1800-2200	1419	54%	24%	14%	5%
2200-2600	1579	83%	11%	4%	1%
2600+	154	95%	2%	3%	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Bd3	6.Bd2	6.Be2	6.a3
1870s	1	—	100%	—	—
1880s	2	100%	—	—	—
1910s	1	—	—	—	—
1920s	21	57%	33%	—	—
1930s	37	65%	27%	5%	—
1940s	22	64%	23%	—	5%
1950s	63	81%	10%	2%	3%
1960s	103	83%	6%	7%	2%
1970s	124	73%	15%	6%	4%
1980s	244	79%	10%	7%	3%
1990s	475	61%	18%	13%	5%
2000s	1049	57%	24%	11%	5%
2010s	1749	68%	16%	10%	3%
2020s	378	70%	21%	5%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Bd3	68%	70%	▲ +1.4%
6.Bd2	16%	21%	▲ +5.0%
6.Be2	10%	5%	▼ -4.9%
6.a3	3%	2%	▼ -1.8%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 6 parties
Tal, Mikhail — 5 parties
Alekhine, Alexander — 4 parties
Carlsen, Magnus — 4 parties
Ju, Wenjun — 3 parties
Euwe, Max — 2 parties
Kramnik, Vladimir — 2 parties
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Karpov, Aleksandr — 1 partie
Hou, Yifan — 1 partie

Parties historiques

6.Bd3 — 65.8% (2811 parties)

1883 — Julian Andrew June Piper vs Chimenti Fisher, Juan — 1-0 — London ENG
1883 — Cook, William vs Kay Leather R — 1/2-1/2 — Birmingham ENG
1920 — Marchand, Max vs Saemisch, Friedrich — 1-0 — Goteborg SWE
1921 — Euwe, Max vs Saemisch, Friedrich — 0-1 — Vienna AUT
1925 — Gunther Abuin, Lucas vs Heinicke, Herbert — 0-1 — Hamburg GER

6.Bd2 — 18.5% (788 parties)

1878 — Mason, James vs Blackburne, Joseph — 1/2-1/2 — Paris FRA
1922 — Atkins, Henry Ernest vs Alekhine, Alexander — 0-1 — Londen
1927 — Regedzinski, Teodor vs Lowtzky, Mojsesz — 1-0 — Lodz POL
1927 — Nilsson, Allan vs Marin y Llovet, Valentin — 1-0 — London ENG
1928 — Turover, Isador vs Tenner, Oscar — 1-0 — Bradley Beach

6.Be2 — 9.7% (415 parties)

1932 — Korody Keresztely, vs Joyeux Steiner, Gael — 1-0 — Budapest HUN
1932 — Beskov, Vladimir vs Keres, Paul — 0-1 — Corr
1952 — Bean, Sam vs Bermudez Adams, William — 0-1 — No. California
1960 — Simagin, Vladimir vs Shamkovich, Leonid — 1/2-1/2 — Leningrad ch-URS
1962 — Ghitescu, Theodor vs Kluger, Gyula — 1-0 — Marianske Lazne

6.a3 — 3.7% (157 parties)

1947 — Brose, Ernest W vs Steiner, Lajos — 0-1 — Adelaide AUS
1957 — Grassi, Mario vs Tamburini, Mario — 1-0 — Reggio Emilia ch ITA
1958 — Weiss, Thomas vs Jensen, Henning — 0-1 — Aabenra
1962 — Wuertz, Wilhelm vs Both, Gerhard — 1-0 — Bad Pyrmont GER
1963 — Toothill, Andrew vs Scholes, James E — 1-0 — Bath ENG

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v0), ● b5 (2v0), ● e5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (2v0)	● d5 (3v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 2)
Bb4		● Bb4 Actif (mob. 7)
Bb7		● Bb7 Actif (mob. 6)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (c1, f1, a1, h1)	3 (b8, 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, ● e3-e4	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1914 St Petersburg prel – Round 1 – Bernstein, Ossip – 1/2-1/2 – Nimzowitsch, Aron – G6 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. e3 Bb4 6. Qb3 Qe7 7. a3 Bxc3+ 8. Qxc3 d6 9. b4 Nbd7 10. Bb2 a5
1922 Londen – Round 5 – Atkins, Henry Ernest – 0-1 – Alekhine, Alexander – G19 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd2 O-O 7. Bd3 Bxc3 8. Bxc3 Ne4 9. Bxe4 Bxe4 10. O-O f5
1929 Karlsbad – Round 1 – Tartakower, Savielly – 1/2-1/2 – Gruenfeld, Ernst – G165 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd2 Bxc3 7. Bxc3 Ne4 8. Qc2 O-O 9. Bd3 f5 10. O-O-O d6
1929 Karlsbad – Round 1 – Thomas, George Alan – 1/2-1/2 – Johner, Paul – G82 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. e3 Bb4 6. Bd2 c5 7. Bd3 cxd4 8. exd4 O-O 9. O-O d5 10. cxd5 Nxd5
1933 Ebensee – Round 2 – Harum Frl – 0-1 – Mueller, Hans – G9 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. e3 Bb4 6. Bd2 O-O 7. Bd3 d5 8. cxd5 exd5 9. O-O a6 10. Rc1 Nbd7
1939 Leningrad ch-URS – Round 2 – Romanovsky, Pjotr – 1/2-1/2 – Dubinin, Peter – G18 1. Nf3 Nf6 2. c4 b6 3. d4 Bb7 4. Nc3 e6 5. e3 Bb4 6. Bd2 O-O 7. Bd3 c5 8. O-O d6 9. Qe2 Qe7 10. Rfd1 Nbd7
1946 American Continental – Round 1 – Bolbochan, J. – 1-0 – Bahamonde Corral, Alejandro – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Qb3 c5 7. Be2 O-O 8. O-O cxd4 9. exd4 Bxc3 10. Qxc3 Qc7
1946 Mar del Plata – Round 19 – Bolbochan, J. – 1/2-1/2 – Rocas, Orlando – G163 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd2 O-O 7. Be2 d6 8. O-O Nbd7 9. Qc2 Bxc3 10. Bxc3 Ne4
1947 AUS Ch – Round 8.1 – Brose, Ernest W – 0-1 – Steiner, Lajos – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. a3 Bxc3+ 7. bxc3 d6 8. Bd3 Nbd7 9. O-O O-O 10. Nd2 e5
1948 JUG Ch – Round 3 – Puc, Stojan – 1-0 – Horvat, Rudolf – G10 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd2 O-O 7. Be2 Bxc3 8. Bxc3 Ne4 9. Qc2 Nxc3 10. Qxc3 d6
1949 Budapest-Moscow – Round 6 – Smyslov, Vladimir – 1/2-1/2 – Benko, Pal – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd2 O-O 7. Be2 Bxc3 8. Bxc3 Ne4 9. Rc1 d6 10. O-O Nxc3
1949 Budapest-Moscow – Round 6 – Tipary, Lajos – 0-1 – Lilienthal, Andor – G43 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd2 O-O 7. Bd3 Bxc3 8. Bxc3 Ne4 9. Bxe4 Bxe4 10. O-O d6
1954 DDR Ch 05th – Round 7 – Uhlmann, Wolfgang – 1-0 – Platz, Hans – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Bb4 6. Qb3 c5 7. Bd3 Bxf3 8. gxf3 cxd4 9. Qxb4 Nc6 10. Qa3 dxc3
1956 URS Ch sf – Round ? – Zilber, Israel – 1/2-1/2 – Lisitsin, Georgy – G133 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. e3 Bb4 6. Bd2 Bxc3 7. Bxc3 Ne4 8. Rc1 d6 9. Nd2 Nxc3 10. Rxc3 Nd7
1958 Hamburg Ch – Round 8 – Ahues, Carl – 0-1 – Sahlmann, Walter – G17 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Bb4 6. Qb3 Qe7 7. a3 Bxc3+ 8. Qxc3 d6 9. Bd3 Nbd7 10. O-O e5
1958 Munich olm prel – Round 3 – Lagha, Khelil – 0-1 – Kupper, Josef – G22 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd2 O-O 7. Bd3 c5 8. O-O cxd4 9. exd4 d5 10. cxd5 Bxc3
1958 Munich olm prel – Round 9 – Lagha, Khelil – 0-1 – Dunkelblum, Arthur – G204 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd2 O-O 7. Bd3 d5 8. cxd5 exd5 9. O-O Bd6 10. Ne5 Re8
1960 Leningrad ch-URS – Round 3 – Simagin, Vladimir – 1/2-1/2 – Shamkovich, Leonid – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Be2 O-O 7. O-O d5 8. Bd2 Bd6 9. Rc1 a6 10. Qb3 dxc4
1962 Marianske Lazne – Round 5 – Ghitescu, Theodor – 1-0 – Kluger, Gyula – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Be2 Ne4 7. Qc2 f5 8. O-O O-O 9. Na4 Be7 10. a3 a5
1964 WchT U26 11. fin-A – Round 10.2 – Kagan, Shimon – 0-1 – Csom, Istvan – G172 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Be2 Ne4 7. Qb3 Nc6 8. O-O Bxc3 9. bxc3 Na5 10. Qc2 c5
1965 Asztalos Memorial 8th – Round 6 – Kolarov, Atanas Stefanov – 1-0 – Gunsberger, Alexander – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd2 O-O 7. Be2 d5 8. cxd5 exd5 9. O-O Nbd7 10. Qa4 Be7
1966 URS Ch sf Orel – Round 1 – Savon, Vladimir – 1-0 – Barlov, Dragan – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Bb4 6. Qc2 O-O 7. Bd3 c5 8. a3 Ba5 9. Bd2 Nc6 10. d5 exd5
1968 BRA Ch – Round 2 – Camara, Helder – 1-0 – Duarte Candido – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Be2 O-O 7. O-O Bxc3 8. bxc3 Ne4 9. Qc2 f5 10. Ne1 d6
1968 Sarajevo – Round 1 – Kozomara, Vlado – 0-1 – Lein, Anatoly – G13 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. c4 Bb7 5. Nc3 Bb4 6. Bd2 c5 7. Be2 O-O 8. O-O d5 9. cxd5 exd5 10. a3 Bxc3
1969 Athens zt – Round 12 – Stoppel, Franz – 0-1 – Csom, Istvan – G60 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd2 O-O 7. Bd3 c5 8. dxc5 bxc5 9. O-O d6 10. Be2 Nc6
1969 WchT U26 fin-A 16th – Round 7.1 – Segal, Alexandru Sorin – 0-1 – Spassov, Liuben – G46 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Bb4 6. Bd2 O-O 7. Be2 d5 8. O-O Bd6 9. Rc1 c5 10. cxd5 exd5
1971 Hoogovens – Round 3 – Denker, Arnold S – 0-1 – Zuidema, Coen – G68 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd2 O-O 7. Qc2 d6 8. a3 Bxc3 9. Bxc3 Ne4 10. Bd3 f5
1973 Leningrad Interzonal – Round 14 – Cuellar Alpire, Mariana – 0-1 – Larsen, Bent – G37 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. e3 Bb4 6. Bd2 O-O 7. a3 Bxc3 8. Bxc3 Ne4 9. Rc1 d6 10. Bd3 Nd7
Lindores Abbey Tal Memorial 2021 – Round 13.39 – Cori T., Deysi – 0-1 – Jumabayev, Rinat – G580 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. c4 Bb7 5. Nc3 Bb4 6. Bd2 c5 7. Be2 cxd4 8. exd4 O-O 9. O-O Re8 10. Rc1 Bf8
Lindores Abbey Tal Memorial 2021 – Round 9.13 – Jobava, Baadur – 1/2-1/2 – Kovalenko, Igor – G386 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 Bb7 6. Be2 O-O 1/2-1/2
World Blitz 2021 – Round 12.5 – Maghsoodloo, Parham – 1-0 – Duda, Jacob – G730 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd2 O-O 7. Bd3 d5 8. cxd5 exd5 9. Rc1 a6 10. O-O Nbd7

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