E34i — Nimzo-Indian: Classical, Noa, 5.cxd5 Qxd5 6.Nf3 c5

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 Qxd5 6.Nf3 c5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bd2 (Fou actif (mobilité 5), Développer c1 — 80 % des parties) ; a3 (Préparer expansion aile dame — 11 % des parties) ; dxc5 (Capture en c5, Frapper le centre adverse — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bxc3 (Fou actif (mobilité 6) — 79 % des parties) ; ...Bxc3+ (Fou actif (mobilité 6) — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→e6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1), ● g5 (2v1)	● d5 (2v1), ● f5 (2v1)
Cases faibles	● d4, ● e4	—
Centre	● e5 (2v1)	● d4 (2v1), ● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 1)
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	mobile
Ruptures	—	● …e6-e5

Partie
1929 Karlsbad – Round 1 – Nimzowitsch, Aron – 1/2-1/2 – Canal, Esteban – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 c5 6. cxd5 Qxd5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. e3 cxd4 10. Nxd4 Nxd4
1932 Bern – Round 2 – Staehelin, Adolf – 0-1 – Alekhine, Alexander – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. a3 Bxc3+ 8. bxc3 Nc6 9. e3 O-O 10. Be2 b6
1932 Linz m – Round 10 – Eliskases, Erich – 0-1 – Spielmann, Rudolf – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. e3 Nc6 8. a3 Bxc3+ 9. bxc3 O-O 10. Be2 b6
1934 Copenhagen – Round 3 – Stahlberg, Gideon – 0-1 – Andersen, Erik – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 O-O 9. dxc5 Qxc5 10. Rc1 Nc6
1934 Hastings3435 – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Lilienthal, Andor – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. bxc3 O-O 9. e3 b6 10. c4 Qd6
1934 Mar del Plata – Round 10 – Batista Grau, Ricardo – 1-0 – Concepcion Villegas, Bryan Uriel – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. e3 O-O 10. Bd3 cxd4
1936 Moskou – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Botvinnik, Mikhail – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 Nc6 10. e3 Nxd4
1936 Olympiad (unofficial) – Round 19 – Hamming, Alexander W – 0-1 – Gilg, Karl – G126 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. a3 Bxc3+ 8. bxc3 Nc6 9. e3 O-O 10. Be2 b6
1936 UJCS-14.Kongress – Round 8 – Hadac, Pavel – 1/2-1/2 – Gilg, Karl – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. bxc3 Nc6 9. e3 O-O 10. Be2 b6
1936 URS All-Union YM – Round 1 – Riumin, Nikolai – 1/2-1/2 – Alatortsev, Vladimir N. – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. a3 Bxc3+ 8. bxc3 Qe4 9. Qd1 cxd4 10. cxd4 O-O
1937 Semmering/Baden – Round 9 – Capablanca, Jose – 1/2-1/2 – Petrov, Vladimir (ENG) – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. dxc5 Qxc5 10. Rc1 O-O
1937 Trebitsch mem3738 – Round 3 – Weinstock, Karl – 1/2-1/2 – Hoenlinger, Baldur – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nbd7 9. dxc5 Qxc5 10. Rc1 O-O
1938 Karlsruhe3839 – Round 6 – Engels, Ludwig – 1/2-1/2 – Kohler, Anton – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. a3 Bxc3+ 8. bxc3 Nc6 9. e3 O-O 10. Be2 b6
1938 Lodz – Round 1 – Frydman, Paulino – 1-0 – Regedzinski, Teodor – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. bxc3 Nbd7 9. e3 b6 10. c4 Qd6
1939 American Continental – Round 14 – Lopez Arce Alberto – 0-1 – Poulsen, Christian – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. dxc5 Qxc5 10. e3 Bd7
1939 Buenos Aires ARG – Round 2 – Keres, Paul Petrovich – 1/2-1/2 – Petrov, Vladimir S. – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 e5 10. Nf3 Nc6
1939 Buenos Aires ol f-A – Round 1 – Cruz, Walter – 0-1 – Foltys, Jan – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 e5 10. Nf5 Bxf5
1939 Buenos Aires ol f-A – Round 2 – Keres, Paul Petrovich – 1/2-1/2 – Petrov, Vladimirs – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 e5 10. Nf3 Nc6
1939 Buenos Aires ol f-A – Round 7 – Cruz, Walter – 1/2-1/2 – Melngailis, Emilis – G132 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 O-O 10. e3 e5
1939 Leningrad/Moscow – Round 8 – Flohr, Salo – 1-0 – Levenfish, Grigory – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 O-O 10. e3 e5
1939 Margate – Round 3 – Capablanca, Jose – 1/2-1/2 – Najdorf, Miguel – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. Rd1 O-O 10. a3 cxd4
1939 Stuttgart – Round 7 – Staldi, Cherubino – 1-0 – O'Kelly, Albéric de Galway – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 e5 10. Nb3 Nc6
1941 Mar del Plata – Round 12 – Najdorf, Miguel – 1-0 – Bolbochan, J. – G95 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. Rd1 Bd7 10. dxc5 Qxc5
1942 USA Ch – Round 13 – Reshevsky, Samuel – 1-0 – Chernev, Irving – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. dxc5 Qxc5 10. Rc1 Bd7
1942 Verenigde Staten m ch-USA – Round 7 – Reshevsky, Samuel – 1-0 – Kashdan, Isaac – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. e3 O-O 10. Rd1 Qxa2
1944 URS Ch sf Moscow RUS – Round 2 – Flohr, Salo – 1/2-1/2 – Veresov, Gavriil – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 e5 10. Nf5 Bxf5
1945 Moskou ch-URS – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Smyslov, Vladimir – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 Nc6 10. e3 Nxd4
1946 Staunton, Groningen NED – Round 7 – Flohr, Salo – 1/2-1/2 – Najdorf, Miguel – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. dxc5 Qxc5 10. Rc1 Bd7
1947 Parnu – Round 1 – Bronstein, David I – 1/2-1/2 – Smyslov, Vladimir – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 Nc6 10. Nf3 O-O
1949 Oldenburg – Round 5 – Kieninger, Georg – 1/2-1/2 – Kuppe, Wilhelm – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. dxc5 Qxc5 10. Rc1 O-O
1949 URS Ch, semi final – Round 1 – Sokolsky, Alexey – 1/2-1/2 – Bannik, Anatolij – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 Nc6 10. Nxc6 Qxc6
1951 AUS Ch – Round 11 – Purdy, Cecil J S – 1-0 – Foster Ken – G15 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. a3 Bxc3+ 8. bxc3 Nbd7 9. e3 O-O 10. c4 Qd6
1951 BRA Ch – Round 10 – Gentil Junior, Luiz – 1-0 – De Souza Mendes, Joao – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 O-O 9. dxc5 Qxc5 10. e4 h6
1951 YUG Ch 7th – Round 10 – Gligoric, Svetozar – 1/2-1/2 – Janosevic, Dragoljub – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. Rd1 O-O 10. e3 cxd4
1952 Budapest – Round 11 – O'Kelly, Albéric de Galway – 1/2-1/2 – Barcza, Gedeon – G100 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. dxc5 Qxc5 10. Rc1 O-O
1952 Havana – Round 23 – Abad Gonzalez, Jose Miguel – 1/2-1/2 – Gligoric, Sofija – G160 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 O-O 9. dxc5 Qxc5 10. e4 h6
1954 New York ch-USA – Round 13 – Mengarini, Ariel – 0-1 – Bisguier, Arthur B – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 e5 10. Nf5 Bxf5
1954 Zuerich – Round 8 – Euwe, Max – 1/2-1/2 – Nievergelt, Erwin – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. e3 Nc6 8. a3 Bxc3+ 9. bxc3 O-O 10. c4 Qd6
1955 Corr ch-SU – Round 1 – Dubinin, Peter – 1-0 – Evdokimov – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. bxc3 Nc6 9. e3 e5 10. c4 Qd6
1958 Argentina – Round 13 – Shocron, Ruben – 1/2-1/2 – Sanguinetti, Raul – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nc6 9. dxc5 Qxc5 10. Rc1 Bd7
1962 Skopje ch17-YUG – Round 1 – Marovic, Drazen – 1-0 – Janosevic, Dragoljub – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 e5 10. Nf3 Nc6
1967 Hoogovens – Round 6 – Larsen, Benjamin Holsko – 1-0 – Szabo, Ladislav – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 e5 10. Nf5 Bxf5

E34i — Classical, Noa (1929)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 Qxd5 6.Nf3 c5

Les coups candidats

7.Bd2 — 80.4% (123 parties)

Ambassadeurs : ? (5x), Bisguier, Arthur B (2x), Janosevic, Dragoljub (2x), Gligoric, Svetozar (2x), Kholmov, Ratmir D (2x), Doroshkievich, Vladimir K (2x), Garcia Palermo, Carlos Horacio (2x), Nogueiras Santiago, Jesus (2x)

7.a3 — 11.1% (17 parties)

Ambassadeurs : Varga, Peter (2x), Pal, Geza (2x), Purdy, Cecil J S (1x), Foster Ken (1x), Abdou, William (1x), Falconer, Neil E (1x), Diaz Charcan, Jose Maria (1x), Algaba, Jose Antonio (1x)

7.dxc5 — 5.2% (8 parties)

Ambassadeurs : Obukhov, Alexander (1x), Kholmov, Ratmir D (1x), Petran, Pal (1x), Horvath, Gyula (1x), Peirovoulia, Mahmoud (1x), Moradi, Behrooz (1x), Stefansson, Hannes (1x), Palo, Davor (1x)

7.e3 — 3.3% (5 parties)

Ambassadeurs : Gorkiewicz, S. (2x), Eken, Max (1x), Nievergelt, Erwin (1x), Golemo, J. (1x), Polak, Radim (1x), Merkel, Gerd (1x), Moller, Michael, Dr. (1x), Ghadiri, Radman (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Bd2	7.a3	7.dxc5	7.e3
<1800	2	100%	—	—	—
1800-2200	38	74%	11%	13%	3%
2200-2600	63	78%	16%	5%	2%
2600+	3	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Bd2	7.a3	7.dxc5	7.e3
1950s	11	73%	18%	—	9%
1960s	5	60%	—	—	40%
1970s	2	100%	—	—	—
1980s	13	100%	—	—	—
1990s	43	79%	12%	7%	2%
2000s	49	84%	8%	8%	—
2010s	25	76%	20%	—	4%
2020s	5	60%	20%	20%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Bd2	76%	60%	▼ -16.0%
7.a3	20%	20%	+0.0%
7.dxc5	0%	20%	▲ +20.0%
7.e3	4%	0%	▼ -4.0%

Parties historiques

7.Bd2 — 80.4% (123 parties)

1951 — Gentil Junior, Luiz vs De Souza Mendes, Joao — 1-0 — Fortaleza BRA
1951 — Gligoric, Svetozar vs Janosevic, Dragoljub — 1/2-1/2 — Sarajevo BIH
1952 — Gonzalez, Juan Carlos vs Gligoric, Svetozar — 1/2-1/2 — Havana CUB
1952 — O'Kelly, Albéric de Galway vs Anay Barche — 1/2-1/2 — Budapest HUN
1954 — Mengarini, Ariel vs Bisguier, Arthur B — 0-1 — New York ch-USA

7.a3 — 11.1% (17 parties)

1951 — Purdy, Cecil J S vs Foster Ken — 1-0 — ?
1951 — Abdou, William vs Falconer, Neil E — 1/2-1/2 — California
1994 — Varga, Peter vs Pal, Geza — 1-0 — Budapest HUN
1994 — Varga, Peter vs Pal, Geza — 1-0 — Budapest HUN
1994 — Raeber, Markus vs Landenbergue, Claude — 0-1 — Bad Ragaz SUI

7.dxc5 — 5.2% (8 parties)

1993 — Obukhov, Alexander vs Kholmov, Ratmir D — 1/2-1/2 — Azov
1996 — Petran, Pal vs Horvath, Gyula — 1/2-1/2 — Austria
1998 — Peirovoulia, Mahmoud vs Moradi, Behrooz — 1/2-1/2 — Genting Highlands MAS
2003 — Stefansson, Hannes vs Palo, Davor — 1-0 — Aarhus DEN
2006 — Mukhlisov, Vladislav vs Airumian, Sergei — 1/2-1/2 — St Petersburg RUS

7.e3 — 3.3% (5 parties)

1954 — Eken, Max vs Nievergelt, Erwin — 1/2-1/2 — Zurich SUI
1962 — Gorkiewicz, S. vs Golemo, J. — 1/2-1/2 — corr ch4-POL
1962 — Gorkiewicz, S. vs Polak, Radim — 1-0 — corr ch4-POL
1997 — Merkel, Gerd vs Moller, Michael, Dr. — 1/2-1/2 — GER
2017 — Ghadiri, Radman vs Kowalczyk, Rafal — 0-1 — Warsaw POL

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