Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3, f2→e3, e3→d4	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 0)
Ba6		● Ba6 Actif (mob. 4)
Be7		● Be7 Actif (mob. 5)
Paire de fous	● Oui	● Oui
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	mobile
Ruptures	● c4-c5, ● d4-d5	● …c7-c5, ● …d7-d5, ● …e6-e5

E45d — Nimzo-Indian: Nimzowitsch, 5.Ne2 Ba6 6.a3 Be7

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.a3 Be7 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf4 (Cavalier actif en f4 — 80 % des parties) ; Ng3 (18 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...d5 (Occuper le centre — 81 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 14 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1951 BRA Ch – Round 11 – Guimaraes, Sergio Murilo Soares – 0-1 – Vasconcellos, Fernando O – G23 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. cxd5 Bxf1 9. Nxf1 exd5 10. Ng3 O-O
1951 Hastings5152 – Round 2 – Hooper, David – 1-0 – Donner, Jan-Hein – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. dxe6 Ba6 10. exf7+ Kxf7
1951 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1-0 – Moiseev, Oleg – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. b4 d5 9. b5 Bb7 10. cxd5 exd5
1951 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1-0 – Novotelnov, Nikolai – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. b3 O-O 9. Bb2 c6 10. Bd3 Bd6
1951 Moskou ch-URS – Round 1 – Moiseev, Oleg – 1-0 – Novotelnov, Nikolai – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. e4 d6 9. Be2 c5 10. e5 Ne8
1951 Wertheim Memorial – Round 9 – Shainswit, George – 0-1 – Fine, Reuben – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. Qf3 c6
1951 World Championship 19th – Round 17 – Botvinnik, Mikhail – 0-1 – Bronstein, David I – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. cxd5 Bxf1 9. Nxf1 exd5 10. Ng3 Qd7
1951 YUG Ch 6th – Round 13 – Gligoric, Svetozar – 1-0 – Janosevic, Dragoljub – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. Bd3 c6 9. e4 d6 10. O-O Nbd7
1952 Havana – Round 4 – Evans, Larry M – 1-0 – Prins, Lodewijk – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 Nc6 8. Be2 O-O 9. O-O Bd6 10. b4 Bxf4
1952 Havana – Round 9 – Steiner, Herman – 0-1 – Prins, Lodewijk – G81 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. Qa4+ Kf8 9. Bd2 Bb7 10. cxd5 Nxd5
1952 POL-ch10 – Round 12 – Makarczyk, Kazimierz – 1/2-1/2 – Regedzinski, Teodor – G87 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. Nf5 g6
1953 Bariloche – Round 1 – Wexler, Francisco – 1-0 – Ader Hausman, Walter – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. Qf3 c6 9. b3 h5 10. cxd5 cxd5
1953 Wenen AUT-URS – Round 1.4 – Averbakh, Yuri L – 1-0 – Mueller, Hans – G2 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 c5 8. d5 e5 9. Nh3 d6 10. e4 Bc8
1954 Hastings5455 – Round 9 – Fairhurst, William – 0-1 – Keres, Paul – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. cxd5 Bxf1 9. Nxf1 exd5 10. Ng3 O-O
1954 Prague zt Prague CZE – Round 7 – Filip, Marius Liviu – 1/2-1/2 – Pachman, Ludek – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. g4 g5
1954 World Championship 20th – Round 2 – Botvinnik, Mikhail – 1-0 – Smyslov, Vladimir – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. g4 c6
1954 Zuerich Zurich SUI – Round 9 – Walther, Edgar – 0-1 – Kupper, Josef – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. e4 d6 9. d5 exd5 10. cxd5 Bxf1
1955 Buenos Aires CA – Round 13 – Lipiniks, Leonardo – 0-1 – Pachman, Ludek – G92 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. dxe6 Ba6 10. exf7+ Kxf7
1955 Gothenburg Interzonal – Round 9 – Rabar, Bakhtyar Hamasaleh – 1/2-1/2 – Keres, Paul – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. Bd3 d5 9. cxd5 Bxd3 10. Qxd3 exd5
1955 Manhattan CC Ch 5556 – Round 12 – Feuerstein, Arthur – 0-1 – Bisguier, Arthur B – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. Be2 d5 9. cxd5 Bxe2 10. Qxe2 exd5
1956 Corr Wch2 – Round 1 – Borsony, Valt – 1/2-1/2 – Jezek, Jaroslav – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. b3 d5 9. Bb2 dxc4 10. bxc4 Nbd7
1956 Montevideo – Round 1 – Najdorf, Miguel – 1-0 – Ader Hausman, Walter – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. Bd3 d5 9. cxd5 Bxd3 10. Qxd3 exd5
1957 FRG Ch Bad Neuenahr – Round 12 – Behle, Karl-Willi – 1/2-1/2 – Unzicker, Wolfgang – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. cxd5 Bxf1 9. Nxf1 exd5 10. Ng3 Qd7
1957 GBR Ch 44th – Round 7.11 – Wood, Baruch – 1/2-1/2 – Horseman, DG. – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. Be2 c5 9. dxc5 bxc5 10. Bf3 Nc6
1957 Mar del Plata – Round 7 – Lombardy, William J – 0-1 – Keres, Paul – G68 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. dxe6 Ba6 10. exf7+ Kxf7
1957 USA Ch Open 58th – Round 9 – Henin, Charles – 0-1 – Shipman, Walter – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. dxe6 Ba6 10. exf7+ Kxf7
1957 Wageningen zt – Round 7 – Szabo, Ladislav – 1-0 – Troianescu, Octav – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. b3 O-O 9. Qf3 c6 10. g4 Nbd7
1958 BUL Ch – Round ? – Filchev, Rusko – 0-1 – Kolarov, Atanas Stefanov – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. b3 O-O 9. Qf3 c6 10. g4 Ne8
1958 Munich olm fin-B – Round 8 – Thorbergsson, Freysteinn – 1-0 – Van Den Broeck, Hans – G77 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. b3 O-O 9. Be2 dxc4 10. bxc4 Nbd7
1958 Tashkent ch URS sf – Round ? – Osnos, Viatcheslav – 1/2-1/2 – Peterson, Andrejs – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. b4 Bxc4 9. Bxc4 dxc4 10. Qe2 O-O
1958 Torneo de las Americas 1st – Round 10 – De Greif, Boris – 1-0 – Davila, Edmundo – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. e4 d6 9. Bd3 c5 10. d5 e5
1958 WchT U26 prel-B 05th – Round 1 – Asmundsson, Ingvar – 0-1 – Kolarov, Atanas Stefanov – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. dxe6 Ba6 10. exf7+ Kxf7
1959 UKR Ch – Round 9 – Shianovsky, Vladislav I – 1/2-1/2 – Zurakhov, Vladlen Y – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. b3 O-O 9. Bd3 c5 10. O-O cxd4
1961 Santa Fe – Round 7 – Filip, Marius Liviu – 1-0 – Casabella, Miguel Angel – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. b3 d5 9. Be2 c6 10. O-O Nbd7
1961 Zagreb – Round 10 – Rabar, Braslav – 1-0 – Krstev, Krum – G87 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. b3 c5 9. cxd5 Bxf1 10. Kxf1 g5
1962 Kiev (Ukraine) – Round 4 – Berezhnoy, Viktor – 1-0 – Nikolaevsky, Yuri V – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. b4 c5 9. b5 cxd4 10. exd4 Bb7
1962 Varna olm – Round 11 – Kristjansson, Olafur – 1/2-1/2 – Brinck-Claussen, Bjorn – G222 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Ng3 d5 8. b3 O-O 9. Be2 c5 10. O-O Nc6
1963 UKR Ch – Round 5 – Berezhnoy, Viktor – 1-0 – Nikolaevsky, Yuri V – G29 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. e4 d6 9. Bd3 e5 10. Nfe2 Nfd7
1964 UKR Ch – Round 18 – Atamanov, Andrey – 0-1 – Lazarev, Efim M. – G111 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 c5 8. Be2 Nc6 9. d5 exd5 10. cxd5 Bxe2
1965 Zinnowitz 02nd – Round 10 – Ghitescu, Theodor – 1-0 – Liebert, Heinz – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. d5 exd5 9. cxd5 Bxf1 10. Kxf1 Bd6
1966 La Habana olm fin-A – Round 11 – Brinck-Claussen, Bjorn – 0-1 – Panno, Oscar – G202 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. Qf3 c6 9. b3 O-O 10. g4 Nfd7
1966 La Habana olm fin-C – Round 13 – Yepez, Olavo – 1/2-1/2 – Schorr Blank, Leon – G86 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 O-O 8. Be2 c5 9. O-O Qc7 10. b3 Nc6
1968 URS Team Ch – Round ? – Lapienis, Donatas – 0-1 – Lazarev, Efim M. – G213 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. Qf3 c6
1969 Luhacovice – Round 15 – Kozma, Julius – 1/2-1/2 – Blatny, Frantisek – G108 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d6 8. d5 e5 9. Nfe2 Bxc4 10. Qa4+ b5
2024 SuperUnited Rapid & Blitz Croatia – Round 9 – So Wesley – 1/2-1/2 – Firouzja Alireza – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. g4 O-O
Montreal 1979 – Round 1 – Timman, Jan H – 1/2-1/2 – Huebner, Robert – G2 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. Kxf1 Nxd5 10. Ncxd5 exd5
Superbet Chess Classic Romania 2025 – Round 2 – Duda Jan-Krzysztof – 1/2-1/2 – Firouzja Alireza – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. Qf3 c6

E45d — Nimzowitsch (1951)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.a3 Be7

Les coups candidats

7.Nf4 — 80.3% (602 parties)

Ambassadeurs : Olafsson, Helgi (4x), Istratescu, Andrei (4x), Hoi, Carsten (4x), Botvinnik, Mikhail (3x), Van der Vliet, Fred (3x), Wells, Ian D (3x), Nickl, Klaus (3x), Schulien, Charles (3x)

7.Ng3 — 17.5% (131 parties)

Ambassadeurs : Pomar Salamanca, Arturo (3x), Sisniega Campbell, Marcel (3x), Prins, Lodewijk (2x), Macskasy, Elod (2x), Raspor, Gregor (2x), Braun, Peter (2x), Elisteev, Araltan (1x), Freise, Eckhard, Prof. Dr. (1x)

7.b3 — 2.0% (15 parties)

Ambassadeurs : Rudd, Jack (2x), Saunders, Steve (1x), Eldridge, Mike (1x), Viefhues, Ulrich (1x), Bondarenko, Vladimir (1x), Safyanowsky, Mark (1x), Vojtek, Vladimir (1x), Curi, Gabriel (1x)

7.Qa4 — 0.3% (2 parties)

Ambassadeurs : Purdy, John S (1x), Deeves, Kevin Eduard (1x), Paulsen, Dirk (1x), Keskowski, Thilo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Nf4	7.Ng3	7.b3	7.Qa4
<1800	18	61%	39%	—	—
1800-2200	180	75%	23%	2%	—
2200-2600	396	83%	15%	2%	0%
2600+	10	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Nf4	7.Ng3	7.b3	7.Qa4
1950s	50	78%	22%	—	—
1960s	32	69%	31%	—	—
1970s	27	93%	7%	—	—
1980s	110	83%	17%	—	—
1990s	87	80%	14%	5%	1%
2000s	146	79%	18%	3%	—
2010s	182	78%	19%	3%	1%
2020s	116	84%	15%	1%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Nf4	78%	84%	▲ +6.5%
7.Ng3	19%	15%	▼ -4.0%
7.b3	3%	1%	▼ -1.9%
7.Qa4	1%	0%	▼ -0.5%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 4 parties

Parties historiques

7.Nf4 — 80.3% (602 parties)

1951 — Moiseev, Oleg vs Novotelnov, Nikolai — 1-0 — Moskou ch-URS
1951 — Shainswit, George vs Fine, Reuben — 0-1 — New York, NY USA
1951 — Gligoric, Svetozar vs Janosevic, Dragoljub — 1-0 — Ljubljana
1951 — Botvinnik, Mikhail vs Moiseev, Oleg — 1-0 — Moskou ch-URS
1951 — Botvinnik, Mikhail vs Novotelnov, Nikolai — 1-0 — Moskou ch-URS

7.Ng3 — 17.5% (131 parties)

1951 — Pomar Salamanca, Arturo vs Prins, Lodewijk — 0-1 — Bad Pyrmont GER
1951 — Jauregui, Carlos vs Cordaro, J — 1-0 — Santiago de Chile
1951 — Guimaraes, Sergio Murilo Soares vs Vasconcellos, Fernando O — 0-1 — Fortaleza BRA
1951 — Botvinnik, Mikhail vs Bronstein, David I — 0-1 — Moskou wch-m
1952 — Makarczyk, Kazimierz vs Regedzinski, Teodor — 1/2-1/2 — Katowice POL

7.b3 — 2.0% (15 parties)

1991 — Viefhues, Ulrich vs Bondarenko, Vladimir — 1/2-1/2 — Moscow RUS
1991 — Curi, Gabriel vs Silva Nazzari, Roberto — 1/2-1/2 — Pumper
1995 — Safyanowsky, Mark vs Vojtek, Vladimir — 1/2-1/2 — Slovak 1st League 1995/96
1999 — Saunders, Steve vs Eldridge, Mike — 1/2-1/2 — Halifax
2001 — Epishin, Vladimir vs Zelcic, Robert — 1/2-1/2 — Graz AUT

7.Qa4 — 0.3% (2 parties)

1995 — Purdy, John S vs Deeves, Kevin Eduard — 1/2-1/2 — Australia ch-21
2011 — Paulsen, Dirk vs Keskowski, Thilo — 1-0 — Berlin GER