E37b — Nimzo-Indian: Classical, Noa, Main Line, 7.Qc2 c5

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 c5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; Be3 (Développer Bc1) ; e3 (Libérer Bf1, préparer Bd3).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g5.

Côté adverse. Les fous enfermés en c1 et f1, le roi resté au centre et une pièce en prise (le pion en d4).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...e5 (Rupture) ; ...f6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	Non
Non développées	5 (g1, 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	fermé
Ruptures	—	● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
18. Amber Rapid 2009 – Round 5 – Morozevich, Alexander – 0-1 – Karjakin, Sergey – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1929 Ramsgate schev – Round 3 – Menchik, Vera Frantsevna – 1/2-1/2 – Winter, William – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
1931 Bled – Round 16 – Bogoljubow, Efim – 0-1 – Nimzowitsch, Aron – G144 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nxd2
1934 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 0-1 – Lisitsin, Georgy – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
1934 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Kan, Ilya A – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Qxc5
1934 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Ragozin, Viacheslav – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Qxc5
1936 ARG Team Ch – Round 2 – Maderna, Carlos – 0-1 – Todosantos Pazo, Anton – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1936 Budapest-B – Round 1 – Füster, Géza – 1-0 – Rothauszky – G2 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nxc5 9. cxd5 Qxd5 10. b4 Qe5
1936 Hastings3637 – Round 5 – Feigin, Movsa – 1/2-1/2 – Eliskases, Erich – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1936 URS All-Union YM – Round 10 – Alatortsev, Vladimir N. – 1/2-1/2 – Kan, Ilya A – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1937 Stockholm ol – Round 1 – Euwe, Max – 1-0 – Petrov, Vladimirs – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1937 Stockholm ol (Men) – Round 11 – Fine, Reuben – 1/2-1/2 – Najdorf, Miguel – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 Lasker – Round 2 – Palme, Rudolf – 1-0 – Eliskases, Erich – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 Ljubljana – Round 1 – Brueder, M. – 1/2-1/2 – Toth, Bela – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 Ljubljana – Round 10 – Vidmar, Milan Jr – 1/2-1/2 – Pirc, Vasja – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 URS Ch, semi final – Round 1 – Makogonov, Mikhail – 1/2-1/2 – Dubinin, Peter – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 URS Ch, semi final – Round 1 – Makogonov, Vladimir – 1-0 – Sokolsky, Alexey – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1939 Stuttgart – Round 3 – O'Kelly, Albéric de Galway – 1/2-1/2 – Foltys, Jan – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1941 Aguas de Sao Pedro – Round 14 – Eliskases, Erich – 1-0 – Luckis, Marcos – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1941 Prague m – Round 11 – Foltys, Jan – 1-0 – Opocensky, Karel – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 O-O
1941 Prague m – Round 7 – Foltys, Jan – 1/2-1/2 – Opocensky, Karel – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1941 Prague m – Round 9 – Foltys, Jan – 0-1 – Opocensky, Karel – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 O-O
1942 Moscow Ch – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Lilienthal, Andor – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1944 URS Ch sf Moscow RUS – Round 14 – Veresov, Gavriil – 1/2-1/2 – Averbakh, Yuri L – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1945 Novi Sad – Round 12 – Preinfalk, Anton – 1/2-1/2 – Rabar, Braslav – G127 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1946 American Continental – Round 1 – Lipiniks, Leonardo – 1/2-1/2 – Bolbochan, J. – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 Nc6 9. dxc5 exd5 10. Nf3 Qa5+
1947 Hilversum zt – Round 3 – O'Kelly, Albéric de Galway – 1-0 – Porath, Yosef – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1947 Mar del Plata – Round 1 – Euwe, Max – 1-0 – Najdorf, Miguel – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1947 URS Ch sf – Round 12 – Veresov, Gavriil – 1/2-1/2 – Konstantinopolsky, Alexander – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1948 Mar del Plata – Round 14 – Olivera, Alfredo – 1/2-1/2 – Bolbochan, J. – G113 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1948 Mar del Plata – Round 5 – Szabo, Ladislav – 1/2-1/2 – O'Kelly de Galway, Alberic – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1948 Moskou ch-URS – Round 5 – Furman, Slavomir – 1-0 – Averbakh, Yuri L – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1948 Oldenburg – Round 3 – Doggett – 0-1 – Sarapu, Ortvin – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
1948 Saltsjobaden Interzonal – Round 4 – Bronstein, David I – 1/2-1/2 – Boleslavsky, Isaac – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1949 Hastings4950 – Round 8 – Euwe, Max – 1/2-1/2 – Rossolimo, Nicolas – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1949 JUG Ch – Round 15 – Rabar, Braslav – 1-0 – Avirovic, Djordje – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1949 Trencianske Teplice – Round 4 – Kottnauer, Cenek – 1/2-1/2 – O'Kelly, Albéric de Galway – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
1949 URS Ch, semi final – Round 1 – Kamishov, Mikhail P – 1-0 – Bonch-Osmolovsky, Mikhail – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1949 URS Ch, semi final – Round 17 – Aratovsky, Nikolay – 1/2-1/2 – Kopaev, Nikolay A – G122 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1949 URS Ch, semi final – Round 7 – Kopaev, Nikolay A – 1/2-1/2 – Sokolsky, Alexey – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1950 ITA Ch – Round ? – Castaldi, Vincenzo – 0-1 – Napolitano, Mario – G15 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 exd5 9. dxc5 Nc6 10. Nf3 Bf5
1951 URS Ch sf – Round 19 – Makogonov, Vladimir – 1/2-1/2 – Lipnitsky, Isaac – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1952 POL-ch10 – Round 7 – Gadalinski, Jan – 1-0 – Kwilecki, Andrzej – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 exd5 9. dxc5 Nc6 10. Nf3 Bf5
1952 Saltsjobaden Interzonal – Round 19 – Taimanov, Mark E – 1/2-1/2 – Szabo, Laszlo – G174 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1953 GDR Ch – Round 4 – Keller-Hermann, Edith – 1/2-1/2 – Stelzner, Wolfgang – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1953 JUG Ch – Round 9 – Rabar, Braslav – 1-0 – Djurasevic, Bozidar – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1953 Mitropa Cup – Round 3 – Nievergelt, Erwin – 0-1 – Djurasevic, Bozidar – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1954 Olympiad final B – Round 1 – Weichselbaumer, Ernst – 0-1 – Nievergelt, Erwin – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1954 Zuerich Zurich SUI – Round 7 – Nievergelt, Erwin – 1-0 – Szabados, Eugenio – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1955 Buenos Aires CA – Round 11 – Benko, Francisco – 1-0 – Reinhardt, Enrique – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 exd5 9. dxc5 Nc6 10. Nf3 Bf5
1957 Toronto wch-jr – Round 1 – Gerusel, Mathias – 1-0 – Makelainen, Melisa Taika – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 Qxd5 10. Be3 O-O
1964 Chigorin Memorial – Round 4 – Forintos, Gyozo V – 1/2-1/2 – Antoshin, Vladimir S – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1965 Corr – Round ? – Morgado, Juan Sebastian – 1/2-1/2 – Amilibia, Carlos Nelson – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1967 Budapest Bajnogsag 8th – Round 6 – Forintos, Gyozo V – 1/2-1/2 – Toth, Bela – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
1967 October Revolution 50 – Round ? – Hort, Vlastimil – 1/2-1/2 – Taimanov, Mark E – G89 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
7. London Classic 2015 – Round 2.2 – Giri, Anish – 1/2-1/2 – Adams, Michael – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
76. Tata Steel Masters 2014 – Round 5.2 – Nakamura, Hikaru – 1/2-1/2 – Karjakin, Sergey – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 O-O
Amber Rapidplay 1999 – Round 10 – Kramnik, Vladimir – 1/2-1/2 – Gelfand, Boris – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
Amber Rapidplay 2001 – Round 7 – Ivanchuk, Vasyl – 1/2-1/2 – Topalov, Veselin – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 O-O
Amber-blindfold 16th 2007 – Round 3 – Ivanchuk, Vasyl – 1-0 – Anand, Viswanathan – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
CCT Final KO 2023 – Round 2.23 – So, Wesley – 1/2-1/2 – Carlsen, Magnus – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
Chess Classic Rapid Prelim 2007 – Round 6 – Kasimdzhanov, Rustam – 1/2-1/2 – Aronian, Levon – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Bf5
Corsica Masters KO 2003 – Round 4.1 – Topalov, Veselin – 1/2-1/2 – Anand, Viswanathan – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
Corus A 2008 – Round 6 – Carlsen, Magnus – 1-0 – Polgar, Judit – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Qf6
Corus A 2009 – Round 11 – Morozevich, Alexander – 1/2-1/2 – Carlsen, Magnus – G70 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Bf5
Corus A 2009 – Round 4 – Morozevich, Alexander – 1/2-1/2 – Adams, Michael – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Bf5
FIDE Candidates 2018 – Round 13.3 – So, Wesley – 1/2-1/2 – Karjakin, Sergey – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
FIDE Candidates 2018 – Round 4.3 – Mamedyarov, Shakhriyar – 1/2-1/2 – So, Wesley – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qf6
FIDE GP 2008 – Round 12 – Carlsen, Magnus – 1-0 – Adams, Michael – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Qa5+
FIDE GP Paris 2013 – Round 9.3 – Nakamura, Hikaru – 1/2-1/2 – Ponomariov, Ruslan – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
FIDE World Cup 2015 – Round 1.1 – Akobian, Varuzhan – 1/2-1/2 – Laznicka, Viktor – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
GCT Rapid YourNextMove 2018 – Round 5.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Karjakin, Sergey – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nxd2
GMA 2003 – Round 8 – Bareev, Evgeny – 1-0 – Timman, Jan H – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
Novgorod 1994 – Round 4 – Bareev, Evgeny – 0-1 – Ivanchuk, Vasyl – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
Saint Louis Blitz 2022 – Round 5.5 – Shankland, Sam – 0-1 – Aronian, Levon – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
SportAccord Blitz 2014 – Round 1.7 – Ponomariov, Ruslan – 0-1 – Radjabov, Teimour – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
Superbet Rapid 2019 – Round 9.5 – Mamedyarov, Shakhriyar – 1/2-1/2 – Karjakin, Sergey – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
Tal Memorial 2010 – Round 3 – Eljanov, Pavel – 0-1 – Kramnik, Vladimir – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
Thessaloniki olm 1988 – Round 13 – Kasparov, Garry – 1-0 – Georgiev, Kaloyan – G113 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
Vugar Gashimov Mem 2018 – Round 3.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Karjakin, Sergey – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
World Blitz 2007 – Round 16 – Kasimdzhanov, Rustam – 1/2-1/2 – Karpov, Anatoly – G151 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Qa5+
World Blitz 2007 – Round 35 – Morozevich, Alexander – 1/2-1/2 – Adams, Michael – G339 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Bf5
World Blitz 2022 – Round 12.1 – Artemiev, Vladislav – 1/2-1/2 – Carlsen, Magnus – G614 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5

E37b — Classical Noa Main Line

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 c5

Eval: [+0.20]

Les coups candidats

8.dxc5 — 93.3% (1001 parties)

Ambassadeurs : Hou, Yifan (12x), Carlsen, Magnus (8x), Karpov, Anatoly (7x), Kopasov, Evgeny (7x), Eliskases, Erich (6x), Drozdovskij, Yuri (6x), Shishkin, Vadim (6x), Kasimdzhanov, Rustam (6x)

8.cxd5 — 3.4% (37 parties)

Ambassadeurs : De Meyer, Hendrik (2x), Lipiniks, Leonardo (1x), Bolbochan, J. (1x), Sandifort, W. (1x), Stoltz, Gösta (1x), Castaldi, Vincenzo (1x), Napolitano, Mario (1x), Benko, Francisco (1x)

8.Nf3 — 2.0% (21 parties)

Ambassadeurs : Yao, Ruikai (2x), Sliwa, Bogdan (1x), Podolsky, Horst (1x), Lempinen Rainer (1x), Rusanen, Pekka (1x), Mangus, R. (1x), Dow, J. (1x), Oliva Fernandez, Daniel (1x)

8.e3 — 1.3% (14 parties)

Ambassadeurs : Reinhardt, Enrique (1x), Rogmann, Gustav (1x), Matilainen, Erkki (1x), Froeberg, Aarne (1x), Wells, Simon (1x), Riha, Josef (1x), Balla, Tamas-Kristof (1x), Berescu, Alin-Mile (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.dxc5	8.cxd5	8.Nf3	8.e3
<1800	13	92%	—	—	8%
1800-2200	225	88%	6%	4%	3%
2200-2600	512	96%	2%	1%	1%
2600+	110	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.dxc5	8.cxd5	8.Nf3	8.e3
1920s	1	100%	—	—	—
1930s	29	97%	—	—	3%
1940s	34	94%	6%	—	—
1950s	24	88%	12%	—	—
1960s	12	83%	8%	8%	—
1970s	15	80%	7%	7%	7%
1980s	22	91%	—	9%	—
1990s	97	90%	8%	2%	—
2000s	434	95%	2%	2%	1%
2010s	347	93%	3%	2%	2%
2020s	58	97%	2%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.dxc5	93%	97%	▲ +3.5%
8.cxd5	3%	2%	▼ -1.4%
8.Nf3	2%	2%	-0.3%
8.e3	2%	0%	▼ -1.7%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 10 parties
Karpov, Anatoly — 8 parties
Carlsen, Magnus — 8 parties
Euwe, Max — 4 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

8.dxc5 — 93.3% (1001 parties)

1929 — Menchik, Vera Frantsevna vs Winter, William — 1/2-1/2 — Ramsgate schev
1930 — Noteboom, Daniel vs Takacs, Sandor — 1/2-1/2 — viermeesterkamp
1931 — Noteboom, Daniël vs Buerger, Victor — 1-0 — Hastings ENG
1931 — Bogoljubow, Efim vs Nimzowitsch, Aron — 0-1 — Bled SLO
1932 — Noteboom, Daniel vs Buerger, Victor — 1-0 — Hastings ENG

8.cxd5 — 3.4% (37 parties)

1946 — Lipiniks, Leonardo vs Bolbochan, J. — 1/2-1/2 — Buenos Aires ch-ARG
1946 — Sandifort, W. vs Stoltz, Gösta — 0-1 — Zaandam
1950 — Castaldi, Vincenzo vs Napolitano, Mario — 0-1 — Sorrento
1952 — Gadalinski, Jan vs Kwilecki, Andrzej — 1-0 — Katowice POL
1955 — Benko, Francisco vs Reinhardt, Enrique — 1-0 — Buenos Aires ARG

8.Nf3 — 2.0% (21 parties)

1961 — Sliwa, Bogdan vs Podolsky, Horst — 1/2-1/2 — Warschau IT
1976 — Lempinen Rainer vs Rusanen, Pekka — 0-1 — ?
1985 — Oliva Fernandez, Daniel vs Funes Castro — 1-0 — cr.
1988 — Mangus, R. vs Dow, J. — 1-0 — cr.
1995 — Muchow, D vs De Glopper, J B H — 0-1 — NL cup corr

8.e3 — 1.3% (14 parties)

1939 — Reinhardt, Enrique vs Rogmann, Gustav — 0-1 — Duisburg
1977 — Matilainen, Erkki vs Froeberg, Aarne — 0-1 — ?
2007 — Wells, Simon vs Riha, Josef — 0-1 — FICGS
2007 — Staak, Eric vs Ruben, Gary — 0-1 — ICCF
2008 — Balla, Tamas-Kristof vs Berescu, Alin-Mile — 1/2-1/2 — Cluj ROU

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