E43f — Nimzo-Indian: Nimzowitsch, 5.Nf3 Bb7 6.Bd3 O-O

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nf3 Bb7 6.Bd3 O-O * ○ 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, Bd3 actif, paire de fous.
Problèmes : roi au centre, Bc1 enfermé, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bb4 actif, Bb7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d6 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E43f — Nimzowitsch

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nf3 Bb7 6.Bd3 O-O

Eval: [+0.33]

Les coups candidats

7.O-O — 91.4% (3330 parties) →

Ambassadeurs : Lukacs, Peter (18x), Gligoric, Svetozar (16x), Georgiev, Vladimir (15x), Batsiashvili, Nino (13x), Bisguier, Arthur B (12x), De Firmian, Nick (12x), Borisenko, Georgy K (11x), Muir, Andrew J (11x)

7.Bd2 — 4.1% (150 parties)

Ambassadeurs : Kögeler, Aart (3x), Li, Chao b (3x), Aleksandrov Ivanchev, Aleksandar (3x), Bilek, Istvan (2x), Georgiev, Vladimir (2x), Balta, Mihai Victor (2x), Almasi, Zoltan (2x), Engel, Jan (1x)

7.Qc2 — 3.4% (124 parties)

Ambassadeurs : Capablanca, Jose (3x), Fox, Maurice (2x), Liebert, Heinz (2x), Sjoberg, Mats (2x), Reimann, Hubert (2x), Vinuesa, Juan (1x), Grau Lezcano, Roberto (1x), Koltanowski, George (1x)

7.a3 — 1.0% (35 parties)

Ambassadeurs : Reshevsky, Samuel (3x), Lasota, Adam (2x), Hanauer, Milton Loeb (1x), Sarris, Panagiotis (1x), Gaitanaros, George (1x), Kramer, George (1x), Kristiansen, Jens (1x), Carlsson, Aake (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.O-O	7.Bd2	7.Qc2	7.a3
<1800	84	86%	7%	2%	5%
1800-2200	984	88%	6%	5%	1%
2200-2600	1731	94%	3%	2%	0%
2600+	170	96%	3%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.O-O	7.Bd2	7.Qc2	7.a3
1920s	6	83%	—	17%	—
1930s	17	59%	6%	35%	—
1940s	9	44%	—	22%	33%
1950s	66	92%	2%	6%	—
1960s	122	90%	4%	6%	—
1970s	151	95%	1%	2%	2%
1980s	238	96%	2%	3%	—
1990s	416	93%	3%	3%	1%
2000s	782	91%	4%	3%	1%
2010s	1482	91%	4%	3%	1%
2020s	353	90%	7%	3%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.O-O	91%	90%	▼ -1.1%
7.Bd2	4%	7%	▲ +2.3%
7.Qc2	3%	3%	-0.5%
7.a3	1%	0%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 7 parties
Carlsen, Magnus — 4 parties
Ju, Wenjun — 3 parties
Alekhine, Alexander — 2 parties
Smyslov, Vladimir — 2 parties
Botvinnik, Mikhail — 1 partie
Euwe, Max — 1 partie

Parties historiques

7.O-O — 91.4% (3330 parties)

1921 — Tartakower, Savielly vs Spielmann, Rudolf — 1/2-1/2 — Vienna m1 Vienna AUT
1926 — Bogoljubow, Efim vs Saemisch, Friedrich — 1/2-1/2 — Munich GER
1928 — Yates, Frederic D vs Colle, Edgar — 1-0 — Hastings Town Hall
1929 — Van den Bosch, Johannes vs Straat, Evert — 1-0 — Amsterdam NED
1929 — Straat, Evert vs Mulder, Emile — 1-0 — Amsterdam NED

7.Bd2 — 4.1% (150 parties)

1932 — Engel, Jan vs Pokorny, Alois — 0-1 — Bad Sliac
1959 — Abraira Rodriguez, Alicia vs Aguilar Espinosa, Alann Cr — 1-0 — Buenos Aires ARG
1965 — Bilek, Istvan vs Haag, Ervin — 1-0 — Budapest HUN
1965 — Bilek, Istvan vs Varnusz, Egon — 1/2-1/2 — Budapest HUN
1966 — Gasztonyi, Endre vs Kluger, Gyula — 1/2-1/2 — Budapest HUN

7.Qc2 — 3.4% (124 parties)

1925 — Gunther Abuin, Lucas vs Heinicke, Herbert — 0-1 — Hamburg GER
1931 — Fox, Maurice vs Capablanca, Jose — 0-1 — New York, NY USA
1931 — Fox, Mark vs Capablanca, Jose — 0-1 — New York, NY USA
1931 — Fox, Maurice vs Capablanca, Jose — 0-1 — New York, NY USA
1932 — Koltanowski, George vs Milner Barry, Philip — 1-0 — Londen

7.a3 — 1.0% (35 parties)

1940 — Reshevsky, Samuel vs Hanauer, Milton Loeb — 1-0 — New York, NY USA
1946 — Reshevsky, Samuel vs Kramer, George — 1/2-1/2 — New York ch-USA
1949 — Sarris, Panagiotis vs Gaitanaros, George — 0-1 — Athens GRE
1971 — Carlsson, Aake vs Liljedahl, Lennart — 0-1 — Eskilstuna SWE
1978 — Thorsteinsdottir, Gudlaug vs DUBE H EVANS — 0-1 — Buenos Aires olm

	♔ 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 (2v0), ● b5 (2v0), ● e5 (2v0)	—
Cases faibles	● e4	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 8)
Bb4		● Bb4 Actif (mob. 6)
Bb7		● Bb7 Actif (mob. 6)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	3 (c1, a1, h1)	2 (b8, 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, ● e3-e4	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1931 New York – Round 1 – Fox, Maurice – 0-1 – Capablanca, Jose – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. Qc2 d5 8. O-O dxc4 9. Bxc4 Nbd7 10. a3 Bxc3
1931 New York – Round 3 – Fox, Maurice – 0-1 – Capablanca, Jose – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. Qc2 d5 8. O-O dxc4 9. Bxc4 Nbd7 10. a3 Bxc3
1932 Budapest – Round 1 – Szigeti, Miklos – 0-1 – Joyeux Steiner, Gael – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O Re8 10. Ne5 Bf8
1932 Londen – Round 10 – Koltanowski, George – 1-0 – Milner Barry, Philip – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. Qc2 d6 8. Bd2 Nbd7 9. a3 Bxc3 10. Bxc3 Qe7
1940 New York ch-USA – Round 9 – Reshevsky, Samuel – 1-0 – Hanauer, Milton Loeb – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. a3 Bxc3+ 8. bxc3 d6 9. O-O Qe7 10. Re1 Ne4
1941 Mar del Plata – Round 9 – Luckis, Marcos – 0-1 – Stahlberg, Gideon – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. Qc2 d5 8. O-O Nbd7 9. cxd5 exd5 10. a3 Bxc3
1946 New York ch-USA – Round 1 – Reshevsky, Samuel – 1/2-1/2 – Kramer, George – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. a3 Bxc3+ 8. bxc3 Ne4 9. O-O f5 10. Qc2 d6
1950 Dubrovnik olm – Round 11 – Stenborg, Ake – 0-1 – Kramer, Hanspeter – G66 1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. c4 e6 5. Nc3 Bb4 6. Bd3 O-O 7. Qc2 d5 8. a3 Bxc3+ 9. Qxc3 dxc4 10. Bxc4 c5
1952 Rosario – Round ? – Rebizzo, Cayetano – 1-0 – Rodriguez Camio, A. – G7 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. Qc2 d5 8. O-O Nbd7 9. Bd2 c5 10. cxd5 exd5
1960 Leipzig olm prel – Round 2 – Rantanen, Yrjo A. – 0-1 – Padevsky, Nikola – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 O-O 6. Bd3 Bb7 7. Qc2 d5 8. O-O c5 9. cxd5 exd5 10. dxc5 bxc5
1962 Lasker Memorial – Round 8 – Uhlmann, Wolfgang – 1-0 – Liebert, Heinz – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. Qc2 d5 8. Bd2 Nbd7 9. cxd5 exd5 10. O-O a6
1965 Budapest2 – Round 4 – Bilek, Istvan – 1-0 – Haag, Ervin – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. Bd2 d5 8. O-O dxc4 9. Bxc4 c5 10. a3 cxd4
1965 HUN-ch21 – Round 1 – Bilek, Istvan – 1/2-1/2 – Varnusz, Egon – G35 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd3 O-O 7. Bd2 d5 8. O-O Nbd7 9. Nxd5 Nxd5 10. cxd5 Bxd2
1966 Budapest HUN – Round 12 – Gasztonyi, Endre – 1/2-1/2 – Kluger, Gyula – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. Bd2 c5 8. a3 Bxc3 9. Bxc3 d6 10. dxc5 bxc5
1966 Rio Hondo zt – Round 10 – Acevedo Carmona, Juan Diego – 0-1 – Emma, Jaime – G20 1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. c4 e6 5. Nc3 Bb4 6. Bd3 O-O 7. Qc2 c5 8. dxc5 Bxc5 9. a3 h6 10. b4 Be7
1967 Palma de Mallorca – Round 7 – Gligorić, Svetozar – 1-0 – Calvo José Minguez, Ricardo – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. Bd2 d6 8. O-O Nbd7 9. a3 Bxc3 10. Bxc3 Ne4
1967 URS Team Ch – Round 1 – Maslov, Leonid P – 1/2-1/2 – Spassky, Boris Vasily – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 b6 6. Nf3 Bb7 7. Bd2 Bxc3 8. Bxc3 Ne4 9. Bxe4 Bxe4 10. d5 f6
1969 Raach zt – Round 9 – Barczay, Laszlo – 1/2-1/2 – Matanovic, Aleksandar – G90 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd3 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O a6 10. Bd2 Bd6
42. Olympiad 2016 – Round 7.6 – Li, Chao – 0-1 – Short, Nigel D – G522 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. Bd2 d5 8. cxd5 exd5 9. O-O Nbd7 10. Rc1 a6
42. Olympiad 2016 – Round 8.10 – Li, Chao – 0-1 – Almasi, Zoltan – G537 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 Bb7 7. Bd2 d6 8. Qc2 c5 9. a3 Bxc3 10. Bxc3 cxd4
6. World Blitz 2010 – Round 27.1 – Aronian, Levon – 0-1 – Carlsen, Magnus – G189 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. Qc2 c5 8. Bd2 cxd4 9. Nxd4 Nc6 10. Nxc6 Bxc6
World Blitz 2022 – Round 11.6 – Bluebaum, Matthias – 0-1 – Artemiev, Vladislav – G603 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. Bd2 c5 8. a3 Ba5 9. Rb1 Bxc3 10. Bxc3 Ne4

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