E38h — Nimzo-Indian: Classical, 4…c5 5.dxc5 Nc6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Nc6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (4 contre 2), les cases fortes e4 et b5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le pion arriéré d7, 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. e4 (Centre d4+e4, menace e5, libère Bf1) ; Nf3 (Développer Ng1) ; Bg5 (Clouer Nf6).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), un fou actif en b4, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c1 et f1, le roi resté au centre et une pièce en prise (le pion en c5).

En contrepartie. Le roi n'est pas encore à l'abri, plusieurs pièces dorment encore (le fou c8 et les tours a8 et h8) et le pion arriéré d7.

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● c4, ● c5	—
Pions isolés	—	—
Arriérés	—	● d7
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 4v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0)	—
Cases faibles	—	—
Centre	● e4 (2v1)	● d4 (1v0), ● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	3 (● 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	semi-ouvert
Ruptures	● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1928 Haag olm – Round ? – Rejfir, Josef – 0-1 – Muffang, Andre – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Be7 8. e4 Qa5 9. Rd1 Nxe4 10. Qxe4 Bxg5
1929 Karlsbad – Round 1 – Matisons, Hermanis – 1-0 – Saemisch, Friedrich – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bf4 O-O 8. e3 b6 9. a3 Bb7 10. Rd1 Rc8
1931 Bled – Round 1 – Pirc, Vasja – 0-1 – Stoltz, Gösta – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. e3 d5 9. a3 Bxc3 10. Qxc3 O-O
1931 Brno Brno CZE – Round 1 – Flohr, Salo – 1-0 – Schmitt, Lars, Dr. – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 g5 9. Bg3 Nh5 10. e3 Nxg3
1931 Praag olm – Round 7 – Przepiorka, Dawid – 1-0 – Ayllon Soler, Pablo – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. e3 b6 9. a3 Bxc3 10. Bxc3 Bb7
1932 Bern – Round 4 – Naegeli, Oskar – 0-1 – Sultan Khan, Mir – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 Qa5 9. e4 Nh5 10. Rd1 Bb4
1932 Leningrad – Round 1 – Botvinnik, Mikhail – 1-0 – Savitsky, Leonid – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Bg5 h6 7. Bh4 Nd4 8. Qa4 Bxc3+ 9. bxc3 Nf5 10. Bxf6 Qxf6
1932 Leningrad Ch – Round 1 – Goldberg, Grigory A – 1-0 – Chekhover, Vitaly – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. a3 b6 8. b4 Be7 9. Bb2 Bb7 10. Rd1 Rc8
1933 Bad Aachen – Round 1 – Bogoljubow, Efim – 1-0 – Saemisch, Friedrich – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 b6 8. e3 Bb7 9. Be2 Rc8 10. O-O Be7
1933 Folkestone olm – Round 4 – Vistaneckis, Isakas – 1-0 – Engelmann, Markus – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. a3 a5 8. e3 b6 9. Be2 Bb7 10. O-O O-O
1933 Folkestone Olympiad 5th – Round 7.11 – Vistaneckis, Isakas – 1/2-1/2 – Rejfir, Josef – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. e3 b6 8. Be2 Bb7 9. a3 Rc8 10. O-O O-O
1934 Trebitsch mem17 – Round 10 – Gruenfeld, Ernst – 1-0 – Hermann, Albert – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. a3 Bxc3 9. Qxc3 O-O 10. b4 Qh5
1934 Ujpest – Round 1 – Flohr, Salo – 1/2-1/2 – Eliskases, Erich – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Be7 8. e3 b6 9. Be2 Bb7 10. O-O O-O
1934 Ujpest – Round 1 – Stahlberg, Gideon – 1/2-1/2 – Gruenfeld, Ernst – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 Qa5 9. Bxf6 gxf6 10. e3 Bb4
1935 Moscow – Round 12 – Menchik, Vera Frantsevna – 0-1 – Chekhover, Vitaly – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 O-O 9. Rd1 Be7 10. e3 b6
1935 Moskou – Round 14 – Levenfish, Grigory – 0-1 – Chekhover, Vitaly – G69 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bf4 O-O 8. Rd1 b6 9. e3 Bb7 10. Be2 Rc8
1935 Tatatovaros – Round 3 – Szigeti, Miklos – 1/2-1/2 – Mueller, Hans – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. e3 O-O 8. a3 b6 9. Bd3 Bb7 10. O-O h6
1935 USA-36.Congress Masters – Round 1 – Santasiere, Anthony – 0-1 – Dake, Arthur William – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. e3 d5 9. a3 Bxc3 10. Bxc3 dxc4
1935 Warsaw olm – Round 3 – Lilienthal, Andor – 1-0 – Marshall Viele, Fabrizio Aaron – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bg5 Qa5 8. Bxf6 gxf6 9. e3 Bxc5 10. Be2 d5
1935 Warsaw POL – Round 8 – Feigins, Movsas – 0-1 – Dake, Arthur William – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. e3 d5 9. a3 Bxc3 10. Qxc3 O-O
1935 Warszawa ol – Round 8 – Feigin, Movsa – 0-1 – Dake, Arthur William – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. e3 d5 9. a3 Bxc3 10. Qxc3 O-O
1936 Budapest – Round 14 – Havasi, Kornel – 1-0 – Szabo, Laszlo – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. e3 Bxc5 7. a3 O-O 8. b4 Be7 9. Bb2 b6 10. Nf3 Bb7
1936 Dresden – Round 1 – Engels, Ludwig – 0-1 – Bogoljubow, Efim – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. e3 O-O 8. Be2 d5 9. O-O dxc4 10. Bxc4 a6
1936 Dresden – Round 8 – Keres, Paul – 1-0 – Saemisch, Friedrich – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 b6 8. e3 Bb7 9. Be2 Rc8 10. O-O Be7
1936 Margate Premier Reserves A – Round 9 – Garcia Conde, Adrian – 1-0 – Schelfhout, Willem – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. e3 O-O 8. a3 a5 9. b3 Qe7 10. Bb2 Rd8
1936 Olympiad (unofficial) – Round 19 – Trompowsky, Octavio – 1-0 – Sauren, J. – G127 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. a3 Bxc5 7. b4 Be7 8. Bb2 O-O 9. Nf3 b6 10. e3 Bb7
1936 Olympiad (unofficial) – Round 2 – Barcza, Gedeon – 1/2-1/2 – Trompowsky, Octavio – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. a3 Bxc5 7. b4 Bd4 8. e3 Be5 9. Nf3 d5 10. Nxe5 Nxe5
1936 Olympiad (unofficial) – Round 6 – Staehelin, Adolf – 0-1 – Trompowsky, Octavio – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bf4 O-O 8. e3 b6 9. Be2 Bb7 10. Rd1 h6
1936 Trebitsch mem19 – Round 5 – Glass, Eduard – 0-1 – Hoenlinger, Baldur – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. e3 O-O 8. a3 b6 9. Be2 Bb7 10. O-O Ng4
1937 Bad Elster – Round 3 – Bogoljubow, Efim – 1-0 – Saemisch, Friedrich – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 b6 8. e3 Bb7 9. Be2 Rc8 10. O-O h6
1937 Rogaska Slatina – Round 14 – Kalabar – 1/2-1/2 – Saemisch, Friedrich – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 b6 8. Rd1 Bb7 9. e3 Rc8 10. Be2 Be7
1937 Stockholm SWE – Round 7 – Dunkelblum, Arthur – 1/2-1/2 – Lilienthal, Andor – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 b6 8. e3 Bb7 9. Be2 Be7 10. O-O O-O
1937 Teplitz-Schoenau – Round 3 – Walter, Max – 1/2-1/2 – Saemisch, Friedrich – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 b6 8. e3 Be7 9. Be2 Bb7 10. O-O O-O
1939 Berlijn m – Round 1 – Eliskases, Erich – 0-1 – Bogoljubow, Efim – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Nxd4 Bxd4 9. e3 Qa5 10. exd4 Qxg5
1939 Margate – Round 1 – Najdorf, Miguel – 0-1 – Golombek, Harry – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Nxd4 Bxd4 9. e3 Qa5 10. exd4 Qxg5
1939 Margate – Round 8 – Najdorf, Miguel – 0-1 – Golombek, Harry – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Nxd4 Bxd4 9. e3 Qa5 10. exd4 Qxg5
1941 Mar del Plata – Round 6 – Stahlberg, Gideon – 1-0 – Bolbochan, J. – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bg5 Bxc5 8. e3 b6 9. Be2 Bb7 10. Rd1 Be7
1941 Trencianske Teplice – Round 2 – Rabar, Braslav – 0-1 – Ahues, Carl – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. e3 Bxc5 8. a3 d5 9. Be2 dxc4 10. Bxc4 Bd7
1942 Chocen – Round ? – Dobias, Josef – 1-0 – Thelen, Bedrich – G2 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Qd2 Nxf3+ 9. exf3 Qa5 10. Bxf6 gxf6
1943 Prague – Round 10 – Podgorny, Jiri – 1/2-1/2 – Thelen, Bedrich – G83 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Nxd4 Bxd4 9. e3 Qa5 10. exd4 Qxg5
1943 Zlin – Round 8 – Prucha, Karel – 0-1 – Zíta, František – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. e3 Bxc5 7. a3 O-O 8. Nf3 d5 9. Be2 Be7 10. O-O dxc4
1946 Moscow USSR-USA – Round 2 – Flohr, Salo – 1/2-1/2 – Steiner, Heinrich Jun. – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Qa5 8. Bd2 Qd8 9. e3 O-O 10. Be2 d5
1946 Nottingham ch-BCF – Round 4 – Wood, Gabriel – 1-0 – Golombek, Harry – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. e3 d5 9. a3 Bxc3 10. Bxc3 dxc4
1946 Treybal Memorial – Round 8 – Sajtar, Jaroslav – 1/2-1/2 – Golombek, Harry – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. e3 d5 9. a3 Bxc3 10. Bxc3 dxc4
1947 GER Ch 11th – Round 6 – Lehmitz, Guenther – 1/2-1/2 – Rautenberg, Wilhelm – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Nxd4 Bxd4 9. e3 Qa5 10. exd4 Qxg5
1947 Hilversum zt – Round 7 – Porath, Yosef – 1-0 – Tsvetkov, Alexandar K – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Qa5 8. Bxf6 gxf6 9. g3 Qb4 10. e3 Be7
1948 Bad Gastein – Round 18 – Gereben, Erno – 1-0 – Platt, Josef – G131 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Nxd4 Bxd4 9. e3 Qa5 10. exd4 Qxg5
1948 Saltsjobaden tt – Round 1 – Ojanen, Kaarle S – 1/2-1/2 – Danielsson, Gosta – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Qa5 8. Bd2 Qb6 9. e3 Qd8 10. a3 O-O
1949 Heidelberg – Round 3 – Wood, Beau – 1/2-1/2 – Rossolimo, Nicolas – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bf4 Bxc5 8. Rd1 Qb6 9. e3 d5 10. a3 dxc4
1949 Moscow Ch – Round ? – Konstantinopolsky, Alexander – 1/2-1/2 – Lilienthal, Andor – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 Be7 9. e3 O-O 10. Be2 d5
1949 Oldenburg – Round 1 – Kieninger, Georg – 1/2-1/2 – Saemisch, Friedrich – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. a3 b6 8. Bg5 Bb7 9. e3 Rc8 10. Rc1 g6
1950 Amsterdam – Round 17 – Euwe, Max – 1-0 – Kramer, Hanspeter – G162 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Nxd4 Bxd4 9. Nb5 Be5 10. O-O-O d5
1950 CSR-BUL Prague CZE – Round 3 – Ivanov, Dimitar – 1-0 – Zita, Frantisek – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. e3 Bxc5 8. a3 d5 9. cxd5 exd5 10. Be2 Be6
1951 Hungary Ch – Round 1 – Szilagyi, Gyorgy Laszlo – 1-0 – Laszlo, Dalma – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 O-O 8. e3 b6 9. Be2 h6 10. h4 Nb4
1951 Wertheim Memorial – Round 3 – Euwe, Max – 1-0 – Kramer, George – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bg5 Bxc5 8. e3 a5 9. Be2 Be7 10. O-O d5
1953 Kbenhavnsmesterskabet – Round 6 – Blom, Kaj – 1-0 – Schou, K B – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Qa5 7. Bd2 Qxc5 8. e3 d5 9. a3 Bxc3 10. Bxc3 dxc4
1955 CSR Ch – Round 1 – Stulik, Vlastimil – 1-0 – Rejfir, Josef – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. a3 Nd4 8. Nxd4 Bxd4 9. Nb5 Be5 10. f4 Bb8
1955 Johannesburg – Round 2 – Euwe, Max – 1-0 – Barata da Cruz, V – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bg5 Bxc5 8. e3 Be7 9. Be2 Ne8 10. Bxe7 Qxe7
1955 NRW Ch – Round 5 – Oestreich, Reinhard – 0-1 – Elm, Wilhelm – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bg5 h6 8. Bh4 g5 9. Bg3 Qa5 10. O-O-O Bxc5
1957 HUN-JUG m – Round ? – Florian, Tibor – 1/2-1/2 – Djurasevic, Bozidar – G1 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 b6 9. e3 Bb7 10. Be2 O-O
1957 OWL Ch – Round 11 – Oestreich, Reinhard – 1-0 – Beerheide, Walther – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bg5 Bxc5 8. e3 b6 9. Rd1 Be7 10. Be2 d6
1958 BUL Ch – Round ? – Milev, Zdravko – 0-1 – Kolarov, Atanas Stefanov – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. e3 O-O 8. Be2 d5 9. O-O dxc4 10. Bxc4 a6
1959 Lima – Round 6 – Letelier Martner, Rene – 1/2-1/2 – Perez Alcocer, Jose – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 Qa5 9. Bxf6 gxf6 10. a3 Bb4
1960 Leipzig olm fin-A – Round 10 – Kramer, Haije – 1/2-1/2 – Kolarov, Atanas S. – G176 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 O-O 9. e3 Be7 10. Be2 d5
1960 Leipzig olm fin-C – Round 9 – Palmiotto, Fiorentino – 1/2-1/2 – Fernandez Zubieta, Cristian Benjamin – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. e3 O-O 8. a3 a5 9. Bd3 h6 10. O-O d6
1961 Oberhausen etc – Round 5 – Forintos, Gyozo V – 1-0 – Nedeljkovic, Srecko M – G130 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 O-O 8. e3 Be7 9. Rd1 a6 10. a3 Qc7
1962 Skopje ch17-YUG – Round 1 – Marovic, Drazen – 1/2-1/2 – Matanovic, Aleksandar – G16 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bg5 h6 8. Bh4 Qa5 9. Bxf6 gxf6 10. e3 Bxc5
1963 CSR Ch – Round 15 – Pachman, Ludek – 1/2-1/2 – Hort, Vlastimil – G136 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bf4 O-O 8. e3 b6 9. Be2 Bb7 10. O-O d5
1963 Leipzig Open 6364 2nd – Round 3 – Starck, Bodo – 1-0 – Starke, Burkhard – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 Be7 9. e3 O-O 10. Be2 d5
1964 Ch (Men) Budapest HUN – Round 1 – Navarovszky, Laszlo – 1/2-1/2 – Sapi, Laszlo – G2 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 b6 7. cxb6 Qxb6 8. e3 O-O 9. Be2 Ba6 10. O-O Bxc3
1964 Tel Aviv olm prel – Round 2 – Hadjikipris, A. – 0-1 – Fred, Aatos – G56 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 O-O 8. e3 Be7 9. a3 h6 10. Bh4 Qa5
1965 OWL Masters – Round 2 – Oestreich, Reinhard – 1-0 – Illgen, Hans – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 Nd4 8. Nxd4 Bxd4 9. Nb5 Bxf2+ 10. Kxf2 Ng4+
1966 La Habana olm fin-B – Round 13 – Porath, Yosef – 1/2-1/2 – Bachtiar, Arovah – G190 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 O-O 8. e3 Be7 9. Rd1 Qa5 10. Be2 d5
1968 Sarajevo – Round 6 – Ivkov, Borislav – 1/2-1/2 – Martinovic, Slobodan – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 Ne7 9. Bxf6 gxf6 10. e3 Bb4
1968 URS Team Ch – Round 1 – Doroshkievich, Vladimir K – 1-0 – Murey, Jacob – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bf4 d5 8. cxd5 exd5 9. e3 Qa5 10. Bd3 Nb4
1969 Monte Carlo-B – Round 8 – Forintos, Gyozo V – 1-0 – Conan, Christophe – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 O-O 7. Bf4 Bxc5 8. e3 h6 9. a3 d5 10. Rd1 Qa5
1974 Manila – Round 9 – Quinteros, Miguel Angel – 1-0 – Cardoso, Radolfo Tan – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bf4 d6 8. e3 e5 9. Bg5 h6 10. Bxf6 Qxf6
40. Olympiad Open 2012 – Round 8.10 – Van Wely, Loek – 1/2-1/2 – Miezis, Normunds – G442 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8. Bh4 O-O 9. e3 Be7 10. Be2 d5

E38h —

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Nc6

Eval: [+0.37]

Les coups candidats

6.Nf3 — 88.1% (749 parties)

Ambassadeurs : Miezis, Normunds (16x), Saemisch, Friedrich (7x), Forintos, Gyozo V (7x), Euwe, Max (6x), Lilienthal, Andor (5x), Golombek, Harry (5x), Bogoljubow, Efim (5x), Oestreich, Reinhard (5x)

6.a3 — 4.6% (39 parties)

Ambassadeurs : Murey, Jacob (4x), Trompowsky, Octavio (2x), Schuett, Wilhelm (2x), Ma, Beini (2x), Capablanca, Jose (1x), Ballai, Zsolt (1x), Sauren, J. (1x), Barcza, Gedeon (1x)

6.e3 — 4.5% (38 parties)

Ambassadeurs : Prucha, Karel (1x), Zíta, František (1x), Havasi, Kornel (1x), Szabo, Laszlo (1x), Goldenov, Boris P (1x), Lilienthal, Andor (1x), Fridh, Anton (1x), Svensson, Arvid (1x)

6.Bg5 — 1.6% (14 parties)

Ambassadeurs : Saemisch, Friedrich (2x), Botvinnik, Mikhail (1x), Savitsky, Leonid (1x), Helling, Karl (1x), Euwe, Max (1x), Daverio, Edoardo (1x), Berezovsky, Igor (1x), Glew, David (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Nf3	6.a3	6.e3	6.Bg5
<1800	20	85%	5%	5%	5%
1800-2200	237	85%	5%	9%	1%
2200-2600	296	91%	5%	2%	0%
2600+	8	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Nf3	6.a3	6.e3	6.Bg5
1920s	7	86%	14%	—	—
1930s	57	88%	4%	2%	5%
1940s	24	92%	—	8%	—
1950s	33	91%	6%	3%	—
1960s	37	100%	—	—	—
1970s	31	90%	3%	3%	—
1980s	54	89%	6%	4%	—
1990s	181	85%	6%	6%	2%
2000s	221	86%	6%	4%	3%
2010s	177	89%	3%	6%	1%
2020s	28	89%	4%	—	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Nf3	89%	89%	+0.0%
6.a3	3%	4%	▲ +0.7%
6.e3	6%	0%	▼ -6.2%
6.Bg5	1%	4%	▲ +3.0%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 7 parties
Smyslov, Vladimir — 2 parties
Botvinnik, Mikhail — 1 partie
Alekhine, Alexander — 1 partie

Parties historiques

6.Nf3 — 88.1% (749 parties)

1928 — Euwe, Max vs Colle, Edgar — 1-0 — Amsterdam m
1928 — Rejfir, Josef vs Muffang, Andre — 0-1 — The Hague NED
1928 — Spielmann De Gea, David vs Lazarne Vajda, Szidonia — 1-0 — It, Budapest HUN
1928 — Landau, Salo vs Colle, Edgar — 1/2-1/2 — Rotterdam NED
1929 — Capablanca, Jose vs Kitaeff Mattison, Andres Constantin — 1-0 — Carlsbad CZE

6.a3 — 4.6% (39 parties)

1928 — Capablanca, Jose vs Ballai, Zsolt — 1-0 — Budapest HUN
1936 — Trompowsky, Octavio vs Sauren, J. — 1-0 — Munich GER
1936 — Barcza, Gedeon vs Trompowsky, Octavio — 1/2-1/2 — Munich GER
1954 — Pilnik, Herman vs Hearst, Eliot — 0-1 — New Orleans-Wch
1957 — O`keefe, Jeremy vs Smith, Adam — 0-1 — Cleveland, OH USA

6.e3 — 4.5% (38 parties)

1936 — Havasi, Kornel vs Szabo, Laszlo — 1-0 — Budapest HUN
1943 — Prucha, Karel vs Zíta, František — 0-1 — Zlin CZE
1944 — Goldenov, Boris P vs Lilienthal, Andor — 0-1 — Baku AZE
1952 — Fridh, Anton vs Svensson, Arvid — 1-0 — Hlland SM M
1972 — Shiriaev, Alexander K. vs Jakhin, Rashid — 1/2-1/2 — Volokolamsk

6.Bg5 — 1.6% (14 parties)

1932 — Botvinnik, Mikhail vs Savitsky, Leonid — 1-0 — Leningrad RUS
1933 — Helling, Karl vs Saemisch, Friedrich — 0-1 — Berlin GER
1937 — Euwe, Max vs Saemisch, Friedrich — 1-0 — Bad Nauheim - Stuttgart - Garmisch GER
1995 — Daverio, Edoardo vs Berezovsky, Igor — 1-0 — Geneva SUI
1995 — Celestini, Mauro vs Colabrese, Cary — 1-0 — Forli

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