E02d — Catalan: Open, 5.Qa4+ Bd7 6.Qxc4

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Bd7 6.Qxc4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (Développer g1 — 89 % des parties) ; Bxc6+ (Clouer d7, Fou actif (mobilité 8) — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bc6 (Fou actif (mobilité 7) — 90 % des parties) ; ...c5 (Frapper le centre adverse — 5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→e6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● c5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Actif (mob. 7)
Bd7		● Bd7 Actif (mob. 4)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● g1, ● c1, ● a1, ● h1)	4 (● b8, ● f8, ● 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	● d4-d5	● …c7-c5, ● …e6-e5

Partie
1938 It AVRO – Round 12 – Flohr, Salo – 1/2-1/2 – Fine, Richard Alvaro Adrien – G10 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qc2 Nc6 9. Qd1 Bb4+ 10. Nc3 O-O
1939 Buenos Aires ol f-B – Round 4 – Tsvetkov, Alexandar K – 1-0 – O'Donovan, J. – G13 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qe3 c5 10. dxc5 Qa5+
1939 Buenos Aires ol prel-B – Round 2 – Gonzalez Petrov, Daniel – 1/2-1/2 – Alekhine, Alexander – G8 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Nb6 9. Qd3 Bb4 10. O-O O-O
1939 Kemeri / Riga – Round 1 – Petrov, Vladimir S. – 1-0 – Solmanis, Zigfrids – G28 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Nbd7 9. Nc3 Bb4 10. O-O Bxc3
1939 Leningrad/Moscow – Round 10 – Alatortsev, Vladimir N. – 1-0 – Goglidze, Viktor – G72 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. f3 Qd5 8. Qc3 Qb5 9. a3 Nbd7 10. e4 Nb6
1939 Rosario – Round 1 – Petrov, Vladimir (ENG) – 1-0 – Mikenas, Vladas – G5 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Nc6 9. Nc3 Nb4 10. Qd1 Bxf3
1940 Moskou ch-URS – Round 1 – Petrov, Vladimirs – 1-0 – Kotov, Alexander. – G26 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qd1 c5 10. Nc3 Bc6
1941 New York – Round 1 – Fine, Reuben – 0-1 – Pinkus, Albert – G9 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Nc6 9. O-O Be4 10. Qd1 Be7
1942 Munich – Round 1 – Alekhine, Alexander – 1-0 – Rabar Bakhtyar Hama Saleh – G6 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 c5 9. Nc3 Bc6 10. O-O Nbd7
1942 Munich – Round 10 – Alekhine, Alexander – 1-0 – Rabar, Braslav – G64 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 c5 9. Nc3 Bc6 10. O-O Nbd7
1942 Munich – Round 9 – Junge, Klaus – 0-1 – Alekhine, Alexander – G58 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Nb6 9. Qd3 Bb4 10. O-O O-O
1943 Prague – Round 10 – Opocensky, Karel – 1-0 – Fichtl, Jiri – G81 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qc2 Nc6 9. Qa4 Bb4+ 10. Nc3 Ne4
1944 Moskou ch-URS – Round 1 – Ravinsky, Grigory – 0-1 – Smyslov, Vladimir – G32 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Be7 8. Nc3 O-O 9. O-O Nbd7 10. Bg5 h6
1944 URS Ch sf Moscow RUS – Round 14 – Kotov Lundqvist, Alex – 1/2-1/2 – Romanovsky, Pjotr – G16 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Be7 8. O-O O-O 9. Nc3 Nbd7 10. Qd3 Nd5
1946 Maastricht – Round 5 – Doerner, Charles – 1/2-1/2 – Van Scheltinga, Theo – G21 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Nbd7 9. O-O c5 10. Be3 Bc6
1947 GBR Ch 34th – Round 1 – Golombek, Harry – 1/2-1/2 – Thomas, George Alan – G2 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Bb4+ 9. Bd2 Nc6 10. Bxb4 Nxb4
1947 GBR Ch 34th – Round 8 – Crown, Gordon – 0-1 – Golombek, Harry – G35 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O O-O 10. Qd3 a6
1947 Sverdlovsk – Round 1 – Furman, Slavomir – 1-0 – Koblencs, Alexander – G4 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Bc6 9. Qd1 e5 10. O-O exd4
1947 Yugoslavia Ch – Round 2 – Bozic, Aleksandar – 1/2-1/2 – Kulzinski, Nikolaj – G8 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Be7 8. Nc3 Nbd7 9. O-O O-O 10. Rd1 Qc8
1948 Bad Gastein – Round 1 – Lundin, Erik – 1-0 – Benko, Pal – G4 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. O-O Bd5 9. Qc3 Be4 10. Qe3 c5
1948 Budapest – Round 13 – Barcza, Gedeon – 1/2-1/2 – Szabo, Laszlo – G70 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 c5 9. Nc3 Bc6 10. O-O Nbd7
1948 Budapest – Round 3 – Gereben, Erno – 0-1 – Szabo, Laszlo – G16 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 c5 9. Nc3 Bc6 10. O-O Nbd7
1948 Budapest HUN – Round 1 – Gereben, Erno – 1/2-1/2 – Szabo, Ladislav – G2 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 c5 9. Nc3 Bc6 10. O-O Nbd7
1948 Mar del Plata – Round 5 – Denker, Arnold S – 1/2-1/2 – Stahlberg, Gideon – G42 1. c4 e6 2. d4 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. O-O Bd6 9. Nc3 O-O 10. Rd1 Qe7
1948 Moskou ch-URS – Round 15 – Ilivitsky, Georgy A – 1-0 – Furman, Slavomir – G125 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Nb6 9. Qd3 Bb4 10. Bg5 h6
1949 Budapest-Moscow – Round 10 – Szabo, Ladislav – 0-1 – Ragozin, Viacheslav – G73 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Be7 8. Nc3 O-O 9. O-O Nbd7 10. Qd3 Nd5
1949 Leningrad – Round 13 – Taimanov, Mark E – 1/2-1/2 – Koblencs, Alexander – G93 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Bc6 9. Qd1 Nbd7 10. O-O h6
1949 Moscow RUS – Round 1 – Ravinsky, Grigory – 1/2-1/2 – Abramov, Lev – G2 1. d4 d5 2. c4 e6 3. g3 dxc4 4. Bg2 Nf6 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 c5 9. Nc3 cxd4 10. Nxd5 Qxd5
1949 Trencianske Teplice – Round 16 – Szabo, Ladislav – 1-0 – Golombek, Harry – G99 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qd1 c5 10. Nc3 Bc6
1949 URS Ch, semi final – Round 1 – Moiseev, Oleg – 1-0 – Abramov, Leonid – G11 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qc2 Nc6 9. Qa4 Bb4+ 10. Bd2 Bxd2+
1950 Hastings5051 – Round 5 – Barden, Leonard – 1/2-1/2 – Phillips, Alan – G21 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O O-O 10. Qd3 Rb8
1950 Moskou ch-URS – Round 1 – Keres, Paul – 1/2-1/2 – Lipnitsky, Isaac – G9 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. O-O Nb6 9. Qd3 h6 10. Nbd2 a6
1950 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Averbakh, Yuri L – G5 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. d4 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O O-O 10. Rd1 Nb6
1950 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Konstantinopolsky, Alexander – G11 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qd2 Nc6 10. O-O Bb4
1950 Stevenson Mem 2. / SCCU Ch – Round 6 – Napier, Ivan Robert – 0-1 – Aitken, James – G5 1. d4 Nf6 2. g3 d5 3. Bg2 e6 4. c4 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Nb6 9. Qd3 Bb4 10. O-O O-O
1950 URS-ch18 – Round ? – Smyslov, Vasily – 1/2-1/2 – Averbakh, Yuri L – G2 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. d4 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O O-O 10. Rd1 Nb6
1950 Venice – Round 12 – Letelier Martner, Rene – 1/2-1/2 – Pachman, Ludek – G96 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Bxc6+ Nxc6 8. Nf3 Bd6 9. O-O O-O 10. Rd1 Qe7
1951 Chigorin Memorial – Round 1 – Smyslov, Vladimir – 1-0 – Taimanov, Mark E – G4 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Bc6 9. Qd1 Nbd7 10. O-O h6
1951 Moskou ch-URS – Round 1 – Moiseev, Oleg – 1/2-1/2 – Lipnitsky, Isaac – G41 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. O-O Nb6 9. Qd3 Be4 10. Qb3 Bd5
1951 New York ch-USA – Round 9 – Shainswit, George – 0-1 – Reshevsky, Samuel – G34 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Nc6 7. Nf3 Na5 8. Qd3 c5 9. dxc5 Bxc5 10. Ne5 O-O
1951 URS Ch sf – Round 2 – Krogius, Nikolai V – 0-1 – Ratner, Boris – G3 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qd1 Bb4+ 10. Bd2 Qe7
1951 URS Ch sf – Round 5 – Prokhorovich, Taras E – 0-1 – Lipnitsky, Isaac – G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Nb6 9. Qd3 Bb4 10. O-O O-O
1952 Havana – Round 17 – Jimenez Zerquera, Eleazar – 1-0 – Lasker, Edward – G130 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Nc6 7. Nf3 Na5 8. Qd3 c5 9. O-O Rc8 10. Nc3 Bc6
1952 Helsinki olm – Round 1 – Bolbochan, J. – 1/2-1/2 – Benkner, Otto – G46 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O O-O 10. Re1 Nb6
1952 Moskou ch-URS – Round 1 – Bronstein, David I – 1/2-1/2 – Smyslov, Vladimir – G40 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Qd7 9. Qxd7+ Nbxd7 10. O-O c5
1953 Candidats Tournament – Round 28 – Taimanov, Mark E – 1/2-1/2 – Smyslov, Vladimir – G184 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Qd7 9. Qxd7+ Nbxd7 10. O-O c5
1953 Hastings Premier 1952/53 28th – Round 8 – Golombek, Harry – 1-0 – Lasker, Edward – G26 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Nc6 7. Nf3 Na5 8. Qd3 c5 9. O-O Qb6 10. Nc3 Bc6
1953 Opatija IT – Round 16 – Ivkov, Borislav – 1/2-1/2 – Matanovic, Aleksandar – G15 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. O-O Nb6 9. Qc2 Be4 10. Qd1 c5
1954 Belgrade – Round 3 – Barcza, Gedeon – 1/2-1/2 – Gligorić, Svetozar – G40 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. d4 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Nb6 9. Qd3 Bb4 10. O-O O-O
1954 British Under 21 Championship – Round 2 – Gardner, Kenneth Leslie – 1/2-1/2 – Cafferty, Bernard – G2 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qd1 c5 10. Nc3 Bc6
1954 Gorki ch22-SU sf – Round 17 – Polugaevsky, Lev – 0-1 – Hasin Raihan, Abir – G47 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qc2 Be4 9. Qa4+ Qd7 10. Qd1 c5
1954 Hungary Ch – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Barcza, Gedeon – G18 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qc2 Nc6 9. Be3 Be4 10. Qa4 Bb4+
1954 Munich zt – Round 9 – Bouwmeester, Hans – 1-0 – Jacob, Franz – G55 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. f3 Be7 8. e4 Nbd7 9. Ne2 a6 10. Nbc3 O-O
1954 Olympiad final A – Round 1 – Golombek, Harry – 1/2-1/2 – Gudmundsson, Gardar Vidir – G16 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O Ne4 10. Ne5 Nxc3
1954 Olympiad prel IV – Round 1 – Golombek, Harry – 1/2-1/2 – Gobert, Jozef – G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Bc6 9. Qc2 Be4 10. Qd1 c5
1955 Aberystwyth ch-BCF – Round 10 – Golombek, Harry – 1-0 – Aitken, James – G45 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O O-O 10. Qd3 Nd5
1955 Aberystwyth ch-BCF – Round 4 – Golombek, Harry – 1-0 – Milner Barry, Philip – G17 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Nb6 9. Qd3 Nbd5 10. O-O Nxc3
1955 Ljubljana – Round 17 – Bertok, Mario Jr. – 1/2-1/2 – Padevsky, Nikola – G145 1. d4 d5 2. c4 e6 3. g3 dxc4 4. Bg2 Nf6 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qd1 c5 10. Nc3 Bc6
1956 Leningrad ch-URS – Round 1 – Khasin, Abram – 1/2-1/2 – Bannik, Anatolij – G39 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qc2 Be4 9. Qa4+ Qd7 10. Qxd7+ Nbxd7
1956 Moscow olm fin-B – Round 11 – Sanchez Alpizar, Luis Alberto – 1-0 – Johannsson, Ingi R – G121 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qc2 c5 9. Nc3 Bc6 10. dxc5 Bxc5
1959 Lima – Round 2 – Pachman, Ludek – 1-0 – Quinones Carrillo, Oscar – G11 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. O-O Nb6 9. Qd3 h6 10. Rd1 Be4
1960 UKR Ch – Round 9 – Ousatchi, Mark – 1/2-1/2 – Poliak, Evsey – G52 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qb3 c5 10. Nc3 Bc6
1961 Corr FS – Round 1 – De Lange, Daan – 1/2-1/2 – Borisenko, Georgy K – G4 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Bc6 9. Qb3 Nbd7 10. Nc3 a5
1962 Varna olm – Round 5 – Purevzhav, S – 1-0 – Porath, Yosef – G216 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. O-O Nb6 9. Qc2 Be4 10. Qd1 c5
1963 P.C.C. A-P-A A8 – Round ? – Collins, Richard Arnold – 1-0 – Garland, P. – G10 1. g3 d5 2. Bg2 Nf6 3. c4 e6 4. d4 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Nbd7 9. Nc3 Bc6 10. Qc2 Be7
1963 Stevenson Memorial 11th – Round 3 – Collins, Richard Arnold – 1/2-1/2 – Basman, Michael John – G5 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. d4 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O O-O 10. a3 Ne4
1964 Tel Aviv olm prel – Round 3 – Reilly, Brian Patrick – 0-1 – Boutteville, Cesar – G89 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Nbd7 9. Nc3 Bc6 10. Qc2 Bb4
1964 Tel Aviv olm prel – Round 4 – Reilly, Brian – 1/2-1/2 – Aitken, James – G130 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Nbd7 8. Nc3 Be7 9. O-O O-O 10. Rd1 Nd5
1971 Candidats sf2 – Round 10 – Korchnoi, Viktor – 1/2-1/2 – Petrosian, Tigran L. – G3 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Qd7 9. Qd1 Nc6 10. Nc3 Bb4
Ch World (match) (cand.) (1/2) 1971 – Round 10 – Korchnoi, Viktor – 1/2-1/2 – Petrosian, Tigran V – G2 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qa4+ Qd7 9. Qd1 Nc6 10. Nc3 Bb4

E02d — Open (1938)

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Bd7 6.Qxc4

Les coups candidats

6…Bc6 — 90.4% (397 parties)

Ambassadeurs : Smyslov, Vasily (5x), Lipnitsky, Isaac (4x), Golombek, Harry (4x), Abiolla James (3x), Anay Barche (3x), Cafferty, Bernard (3x), Akopov, Roman (3x), Cipra, Lothar (3x)

6…c5 — 4.8% (21 parties)

Ambassadeurs : Saduakassova, Dinara (2x), Markus, Robert (1x), Georgiev, Vladimir (1x), Gromov, Sergey Vasilievich (1x), Zubov, Yury Fedorovich (1x), Kasprzyk, Zbigniew (1x), Weldon, David J. (1x), Francovig, Héctor (1x)

6…Nc6 — 4.6% (20 parties)

Ambassadeurs : Lasker, Edward (2x), Shainswit, George (2x), Rapaka Samuel Paul (2x), Taimanov, Mark (2x), Golombek, Harry (1x), Jimenez Zerquera, Eleazar (1x), Rideout, H. (1x), Sandrin, Angus (1x)

6…Qc8 — 0.2% (1 parties)

Ambassadeurs : Tsirulnik, Maritsa (1x), Doluhanova, Evgeniya (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Bc6	6…c5	6…Nc6	6…Qc8
<1800	21	95%	5%	—	—
1800-2200	138	94%	3%	3%	—
2200-2600	161	86%	8%	5%	1%
2600+	8	62%	38%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Bc6	6…c5	6…Nc6	6…Qc8
1950s	51	88%	—	12%	—
1960s	14	100%	—	—	—
1970s	19	100%	—	—	—
1980s	37	97%	—	3%	—
1990s	59	93%	—	7%	—
2000s	88	95%	—	5%	—
2010s	117	85%	11%	3%	1%
2020s	54	83%	15%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Bc6	85%	83%	▼ -1.3%
6…c5	11%	15%	▲ +3.7%
6…Nc6	3%	2%	▼ -1.6%
6…Qc8	1%	0%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

6…Bc6 — 90.4% (397 parties)

1950 — Smyslov, Vladimir vs Averbakh, Yuri L — 1/2-1/2 — Moskou ch-URS
1950 — Smyslov, Vasily vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
1950 — Keres, Paul vs Lipnitsky, Isaac — 1/2-1/2 — Moskou ch-URS
1950 — Smyslov, Vasily vs Konstantinopolsky, Alexander — 1/2-1/2 — Moskou ch-URS
1950 — Napier, Ivan Robert vs Abiolla James — 0-1 — Southsea

6…c5 — 4.8% (21 parties)

2011 — Markus, Robert vs Georgiev, Vladimir — 1/2-1/2 — Skopje MKD
2011 — Gromov, Sergey Vasilievich vs Zubov, Yury Fedorovich — 1/2-1/2 — ICCF
2011 — Johnston, Allan vs Folk Gilsanz, Jordi — 1/2-1/2 — ICCF
2012 — Moraes, Francisco José Baen vs Gutiérrez Dopino, José María — 0-1 — ICCF
2013 — Francovig, Héctor vs Mihai, Partenie — 1/2-1/2 — ICCF

6…Nc6 — 4.6% (20 parties)

1951 — Rideout, H. vs Sandrin, Angus — 1-0 — Forth Worth
1951 — Shainswit, George vs Rapaka Samuel Paul — 0-1 — ?
1951 — Shainswit, George vs Rapaka Samuel Paul — 0-1 — New York ch-USA
1952 — Jimenez Zerquera, Eleazar vs Lasker, Edward — 1-0 — Havana CUB
1952 — Ivanov, Pavlin Nikolay vs Mandrov, Dimitar — 0-1 — Sofia BUL

6…Qc8 — 0.2% (1 parties)

2019 — Tsirulnik, Maritsa vs Doluhanova, Evgeniya — 0-1 — Lutsk UKR

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