E17o — Queen’s Indian: 6.O-O O-O 7.Qc2

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Qc2 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nc3 (Développer b1 — 21 % des parties) ; Rd1 (8 % des parties) ; Qb3 (Contrôle diagonale b3-g8 — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...c5 (Frapper le centre adverse — 49 % des parties) ; ...Be4 (Fou actif (mobilité 8) — 18 % des parties) ; ...d5 (Occuper le centre — 13 % des parties) ; ...d6 (Poussée — 10 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v0)	● d5 (3v1), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Be7		● Be7 Actif (mob. 4)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	2 (● b8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● c4-c5, ● d4-d5	● …c7-c5, ● …d7-d5, ● …e6-e5

Partie
1926 Berlin – Round 1 – Saemisch, Friedrich – 1/2-1/2 – Gruenfeld, Ernst – G19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Nc6 8. Nc3 d5 9. cxd5 Nb4 10. Qb3 Nbxd5
1930 San Remo – Round 1 – Vidmar, Milan Sr – 1-0 – Kmoch, Hans – G53 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 Bxc5 9. Nc3 Be7 10. e4 d6
1931 Praag olm – Round 1 – Tartakower, Savielly – 1/2-1/2 – Andersen Zargham, Ellene – G12 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d5
1931 Prague ol Prague CZE – Round 10 – Tartakower, Savielly – 1/2-1/2 – Andersen, Erik – G33 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d5
1933 Folkestone Olympiad 5th – Round 11.12 – Dake, Arthur William – 0-1 – Campolongo Alberto – G93 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Qc2 d5 8. cxd5 Nxd5 9. Nc3 Nxc3 10. bxc3 Nd7
1933 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 1-0 – Goglidze, Viktor – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d6 10. Rd1 Qc8
1934 Leningrad ch-URS – Round 1 – Dubinin, Peter – 0-1 – Belavenets, Sergey – G80 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 Bxc5 9. Nc3 Be7 10. e4 d6
1935 Vienna – Round 8 – Gruenfeld, Ernst – 0-1 – Eliskases, Erich – G43 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. Nc3 Nc6 9. dxc5 bxc5 10. Rd1 Qb8
1935 Warsaw ol – Round ? – Raud, Ilmar – 1/2-1/2 – Mueller, Hans – G65 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qb3 Nc6 9. Nbd2 Bg6 10. e3 Na5
1935 Warsaw olm – Round 15 – Gruenfeld, Ernst – 1-0 – Steiner, Laszlo – G60 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d6 10. Bg5 Nc6
1935 Warsaw POL – Round 14 – Gruenfeld, Ernst – 1-0 – Steiner, Lajos – G88 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d6 10. Bg5 Nc6
1935 Warsaw POL – Round 5 – Gruenfeld, Ernst – 1-0 – Grau Lezcano, Roberto – G22 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Qc8 8. Nc3 d6 9. e4 Nbd7 10. b3 e5
1936 Munich ol (Men) – Round 9 – Ojanen, Kaarle S – 1/2-1/2 – Saemisch, Friedrich – G21 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. Nc3 cxd4 9. Nxd4 Bxg2 10. Kxg2 Qc8
1937 Tbilisi ch-URS – Round 1 – Bondarevsky, Igor – 1-0 – Chekhover, Vitaly – G63 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. e4 d6
1937 Tbilisi ch-URS – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Chekhover, Vitaly – G78 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6
1937 URS-ch10 – Round ? – Ragozin, Viacheslav – 1/2-1/2 – Chekhover, Vitaly – G13 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6
1938 Lodz – Round 1 – Foltys, Jan – 1/2-1/2 – Pirc, Vasja – G59 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qb3 Bb7 9. Nc3 Ne4 10. Rd1 Nxc3
1938 Lodz – Round 1 – Pirc, Vasja – 1-0 – Regedzinski, Theodor – G46 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. b3 d6 10. Bb2 Qb6
1938 Trade Unions – Round 10 – Budo, Alexander Semenovich – 0-1 – Rovner, Dmitry – G82 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 a6 10. Rd1 Qc7
1938 URS Ch, semi final – Round 1 – Yudovich, Mikhail M – 1/2-1/2 – Dubinin, Peter – G31 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6
1939 Bad Oeynhausen ch-GER – Round 1 – Gilg, Karl – 0-1 – Muller, Hans – G12 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Nc6 8. a3 d5 9. b4 dxc4 10. Qxc4 Nb8
1939 Leningrad/Moscow – Round 8 – Bondarevsky, Igor – 0-1 – Reshevsky, Samuel – G60 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 c5 9. dxc5 bxc5 10. Nc3 Bc6
1940 URS-sf – Round 1 – Dubinin, Peter – 1-0 – Zhukhovitsky, Samuel – G24 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d5
1940 URS-sf – Round 1 – Zhukhovitsky, Samuel – 0-1 – Kajev – G10 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 d5 8. cxd5 exd5 9. Nc3 Ne4 10. Bf4 Nxc3
1945 Novi Sad – Round 22 – Tomovic, Vasilje – 1-0 – Vukovic, Sava – G203 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qb3 Nc6 9. Be3 d5 10. Nbd2 Na5
1945 Pan American – Round 1 – Horowitz, Albert Israel – 1/2-1/2 – Reshevsky, Samuel – G19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qb3 d6 9. Nc3 Bb7 10. Qc2 d5
1945 URS-sf – Round 14 – Aronin, Lev – 0-1 – Romanovsky, Pjotr – G59 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 d5 8. Ne5 c6 9. Rd1 Nfd7 10. Nxd7 Nxd7
1946 American Continental – Round 1 – Iliesco – 1/2-1/2 – Bolbochan, J. – G12 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. d4 e6 5. O-O Be7 6. c4 O-O 7. Qc2 Be4 8. Qb3 Nc6 9. Nbd2 d5 10. Qa4 Qe8
1946 Barcelona – Round 5 – Guimard, Carlos E – 1-0 – Yanofsky, Daniel Abraham – G33 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 Bb7 9. Rd1 d6 10. Nc3 Ne4
1946 Mar del Plata – Round 14 – Najdorf, Miguel – 1-0 – Maccioni, Alejandro – G124 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 Bc6 9. Qb3 d5 10. Nc3 dxc4
1946 Treybal Memorial – Round 3 – Najdorf, Miguel – 1-0 – Opocensky, Karel – G16 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. c4 e6 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d5 10. Bg5 Nbd7
1946 Treybal Memorial – Round 5 – Najdorf, Miguel – 1-0 – Kottnauer, Cenek – G27 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6
1947 Chigorin Memorial – Round 1 – Trifunovic, Petar – 1/2-1/2 – Kholmov, Ratmir D – G42 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 d5 8. cxd5 Nxd5 9. Nc3 Nd7 10. Nxd5 Bxd5
1947 Helsinki – Round 1 – Barda, Olaf – 1/2-1/2 – Asgeirsson, Asmundur – G13 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Qc2 c5 8. dxc5 Bxc5 9. Nc3 d5 10. Rd1 Qc8
1947 JUG Ch – Round 10 – Tot, Bora – 1/2-1/2 – Gruber, Bernd – G20 1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 c5 9. Nc3 Bc6 10. Qd1 cxd4
1947 Leningrad ch-URS – Round 19 – Aronin, Lev – 1/2-1/2 – Keres, Paul Petrovich – G169 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 c5 9. d5 exd5 10. Nc3 Nc6
1947 Mar del Plata – Round 4 – Najdorf, Miguel – 1-0 – Marini, Luis – G39 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d6 10. b3 a6
1947 Mar del Plata – Round 7 – Eliskases, Erich – 1/2-1/2 – Pilnik, Herman – G66 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 a6 10. b3 Nc6
1947 Parnu – Round 1 – Makogonov, Vladimir – 1/2-1/2 – Lilienthal, Andor – G33 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Qc2 d5 8. Ne5 c6 9. Nc3 Nfd7 10. Nxd7 Nxd7
1947 Parnu – Round 1 – Makogonov, Vladimir – 1/2-1/2 – Renter, Raul – G25 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d5 10. cxd5 exd5
1947 URS Ch sf – Round 11 – Kholmov, Ratmir D – 1-0 – Zagoriansky, Evgeny – G27 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Qc2 Be4 8. Qa4 c5 9. d5 exd5 10. Nc3 dxc4
1947 Yugoslavia Ch – Round 8 – Trifunovic, Petar – 1-0 – Germek, Milan – G39 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 Bc6 9. Qb3 d5 10. Nc3 Bb7
1948 Buenos Aires – Round 1 – Garcia, Balado – 0-1 – Acebey Michel, Veroska – G12 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 d5 8. cxd5 Nxd5 9. Nc3 Nd7 10. Nxd5 exd5
1948 Buenos Aires – Round 1 – Stahlberg, Gideon – 1/2-1/2 – Acebey Michel, Veroska – G13 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qb3 d5 9. Nc3 dxc4 10. Qxc4 Bb7
1948 JUG Ch – Round 1 – Rabar, Braslav – 1/2-1/2 – Horvat, Rudolf – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 Bb7 9. Rd1 c5 10. Nc3 Ne4
1948 Mar del Plata – Round 12 – Luckis, Marcos – 1/2-1/2 – Bolbochan, J. – G97 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Qc2 O-O 7. O-O Be4 8. Qa4 Bc6 9. Qc2 Be4 10. Qa4 Bc6
1948 Mar del Plata – Round 12 – Stahlberg, Gideon – 1-0 – Szabo, Ladislav – G100 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. b3 Nc6 10. Bb2 Nb4
1948 Mar del Plata – Round 16 – Rossetto, Hector – 1/2-1/2 – Najdorf, Miguel – G132 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. Nc3 cxd4 9. Nxd4 Bxg2 10. Kxg2 Qc8
1948 Mar del Plata – Round 5 – Eliskases, Erich – 1-0 – Bolbochan, J. – G48 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Qc2 Nc6 8. a3 d5 9. cxd5 Qxd5 10. Nc3 Qd8
1948 Saltsjobaden Interzonal – Round 12 – Najdorf, Miguel – 0-1 – Szabo, Laszlo – G110 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6
1948 Santa Fe – Round ? – Maderna, Carlos – 1-0 – Chemes, Luis – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 d6 9. Nc3 Bb7 10. Qc2 Nbd7
1948 South Fallsburg ch-USA – Round 1 – Evans Lianda – 1-0 – Sandrin Chodorge, Antoine – G40 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Qc8 8. Nc3 c5 9. d5 exd5 10. cxd5 d6
1949 Moscow – Round 1 – Zagoriansky, Evgeny – 1-0 – Trupan, Vladilen – G17 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Qc2 Qc8 8. Nc3 d5 9. cxd5 Nxd5 10. Nxd5 exd5
1949 Trencianske Teplice – Round 18 – Sthlberg, G – 1-0 – Ojanen, Kaarle S – G113 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Qc2 d5 8. cxd5 exd5 9. Nc3 c6 10. Bf4 Re8
1949 Trencianske Teplice – Round 18 – Szabo, Ladislav – 0-1 – Richter, Edgar – G114 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 Qb6
1950 Candidats Tournament – Round 12 – Kotov Lundqvist, Alex – 1/2-1/2 – Bronstein, David I – G49 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. b3 cxd4 9. Nxd4 Bxg2 10. Kxg2 d5
1950 Corr Wch1 – Round 1 – Barda, Olaf – 0-1 – Napolitano, Matteo – G10 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. Nc3 cxd4 9. Nb5 Bxf3 10. Bxf3 Nc6
1950 HUN Ch 05th – Round 1 – Gereben, Erno – 1-0 – Berczy, Robert – G3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d6 10. Bg5 Nc6
1951 Bucharest GMT 2nd – Round 5 – Alexandrescu, Gheorghe – 1-0 – Pogats, Jozsef Jr. – G21 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d6 10. Rd1 a6
1951 Budapest HUN – Round ? – Gereben, Erno – 1-0 – Negyesy, Gyorgy – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 d5 8. Ne5 c6 9. Rd1 Qc8 10. b3 Nbd7
1951 Buenos Aires – Round 10 – Chemes, Luis – 0-1 – Luckis, Marcos – G63 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6
1951 GER Ch U20 – Round 6 – Uhlmann, Wolfgang – 1-0 – Musmann, Lothar – G18 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 d6 8. Nc3 Nbd7 9. Rd1 c6 10. b3 Qc7
1951 Hungary Ch – Round 1 – Florian, Tibor – 1-0 – Hajtun, Jozsef – G42 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Ne4 8. Nfd2 Nxd2 9. Bxb7 Nxf1 10. Bxa8 Nxh2
1951 Mar del Plata zt – Round 11 – Bolbochan, J. – 1/2-1/2 – Marini, Liam – G110 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6
1951 New York ch-USA – Round 10 – Horowitz, Albert Israel – 1/2-1/2 – Santasiere, Anthony – G39 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qb3 Nc6 9. Nbd2 d5 10. e3 Na5
1951 Zonal Marianske Lazne (Czech R – Round 1 – Pytliakovsky A – 1/2-1/2 – Lokvenc, Josef – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 d5 8. cxd5 exd5 9. Nc3 Re8 10. Bf4 c6
1952 Helsinki olm – Round 1 – Pytlakowski, Andrzej – 0-1 – Penrose, Justin – G139 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. O-O O-O 7. Qc2 c5 8. Nc3 cxd4 9. Nxd4 Bxg2 10. Kxg2 Qc8
1952 Moskou ch-URS – Round 1 – Kan, Igor – 1/2-1/2 – Smyslov, Vladimir – G64 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d6 10. Rd1 Qb6
1952 Rio de Janeiro – Round 14 – Szentkiralyi Toth, Vince – 1/2-1/2 – Mangini, Jose Henrique de Mello – G78 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qd2 c5 9. Nc3 Bb7 10. d5 exd5
1952 Rio de Janeiro – Round 6 – Szentkiralyi Toth, Vince – 1-0 – Cruz, Walter – G28 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qd2 d6 9. Nc3 Bb7 10. d5 e5
1952 URS ch sf – Round 14 – Pasman Marks – 1/2-1/2 – Chekhover, Vitaly – G89 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Rd1 Nc6 10. Nc3 d6
1954 Moscow Ch 32th – Round ? – Zagoriansky, Evgeny – 0-1 – Uusi, Gunnar – G3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 d6 10. Rd1 a6
1955 Budapest – Round 1 – Gereben, Erno – 1/2-1/2 – Erdy, Bela – G4 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Qc2 Be4 8. Bd2 d5 9. Nc3 Bb4 10. a3 Bxc3
1957 Sombor – Round 18 – Udovcic, Mijo – 0-1 – Nedeljkovic, Srecko M – G170 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. e3 Qc7 9. b3 Nc6 10. Nc3 d5
1958 HUN Ch Budapest HUN – Round 3 – Florian, Tibor – 1-0 – Flesch, Janos – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6
1959 Wch U20 prel-A – Round 4 – Anguera Maestro, Jaime – 1-0 – Hamann, Svend – G7 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. Nc3 Qc8 9. d5 exd5 10. cxd5 d6
1960 It (Men) Asuncion – Round 1 – Guimard, Carlos E – 1/2-1/2 – Mangini, Jose Henrique de Mello – G4 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 Bc6 9. Qb3 d6 10. Nc3 Ne4
1961 Moscow Ch – Round ? – Aronin, Lev – 1-0 – Khasin, Abram – G42 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 Nb4
1964 BRA Ch – Round 10 – De Freitas, Marcio Elisio – 1/2-1/2 – De Souza Mendes, Joao – G34 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Qc2 Qc8 8. Nc3 d5 9. cxd5 exd5 10. Bf4 c6
1964 Reykjavik – Round 8 – Gudmundsson, Arinbjorn – 1/2-1/2 – Palmason, Gudmundur – G44 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qb3 Nc6 9. Nbd2 d5 10. Nxe4 dxe4
1966 La Habana olm fin-A – Round 4 – Evans, Larry M – 1-0 – Thorbergsson, Freysteinn – G66 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Qc8 8. Nc3 c5 9. d5 exd5 10. cxd5 d6
1967 Reggio Emilia 6768 10th – Round 1 – Bertok, Mario Jr. – 1-0 – Trincardi, Tullio – G1 1. c4 Nf6 2. d4 e6 3. Nf3 Be7 4. g3 b6 5. Bg2 Bb7 6. O-O O-O 7. Qc2 Be4 8. Qb3 d5 9. Nc3 dxc4 10. Qxc4 Bb7
1967 Rubinstein Memorial – Round 3 – Hort, Vlastimil – 1-0 – Liebert, Heinz – G13 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Qc2 c5 8. dxc5 bxc5 9. Rd1 d6 10. Nc3 a6
1968 ROM Ch – Round 14 – Segal, Alexandru Sorin – 1/2-1/2 – Mititelu, Gheorghe – G78 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Qc8 8. Nc3 c5 9. dxc5 bxc5 10. e4 d6
1968 Varna BUL – Round 1 – Kolarov, Atanas Stefanov – 1/2-1/2 – Spiridonov, Nikola – G1 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 Bxc5 9. Nc3 Nc6 10. Bf4 d5
1968 Vinkovci – Round 3 – Ivkov, Borislav – 0-1 – Gheorghiu, Florin – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qa4 c5 9. Nc3 Bc6 10. Qd1 cxd4
1969 Monaco – Round 8 – Gereben, Erno – 1-0 – Mazzoni, Guy – G11 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Qc2 d6 8. Nc3 Nbd7 9. e4 e5 10. Rd1 Qb8
1969 Moskou ch-URS – Round 1 – Vasiukov, Evgeni – 1/2-1/2 – Taimanov, Mark E – G15 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Qc2 Be4 8. Qa4 c5 9. Nc3 Bc6 10. Qd1 cxd4
1969 Villa Gesell tt – Round 2 – Guimard, Jean Louis – 1-0 – Luckis – G12 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 c5 8. dxc5 bxc5 9. Nc3 Nc6 10. Rd1 d6

E17o — Queen’s Indian (1926)

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Qc2

Les coups candidats

7…c5 — 49.3% (136 parties)

Ambassadeurs : Suba, Mihai (3x), Rudenko, Ludmila (2x), Amaro, Lucas Ibrair (2x), Gereben, Erno (2x), Pytlakowski, Andrzej (2x), Dunnington, Angus J (2x), Aagaard, Jacob (2x), Guimard, Carlos E (1x)

7…Be4 — 17.8% (49 parties)

Ambassadeurs : Gereben, Erno (2x), Horowitz, Albert Israel (2x), Szentkiralyi Toth, Vince (2x), Mangini, Jose Henrique de Mello (2x), Bartels, Frank (2x), Zude, Arno (2x), Plachetka, Jan (2x), Kengis, Edvins (2x)

7…d5 — 13.0% (36 parties)

Ambassadeurs : Evans, Larry (1x), Saidy, Anthony (1x), Pytlakowski, Andrzej (1x), Lokvenc, Josef (1x), Milev, Zdravko (1x), Sapunov, L. (1x), Gross, Ronald Joseph (1x), Tarjan, James (1x)

7…d6 — 10.1% (28 parties)

Ambassadeurs : Gereben, Erno (2x), Djaja, Dragutin (2x), Blaszczak, Czeslaw (2x), Trabattoni, Franco (2x), Mazzoni, Guy (1x), Uhlmann, Wolfgang (1x), Musmann, Lothar (1x), Shainswit, George (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…c5	7…Be4	7…d5	7…d6
<1800	15	47%	20%	7%	13%
1800-2200	76	41%	17%	16%	16%
2200-2600	106	56%	14%	13%	6%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…c5	7…Be4	7…d5	7…d6
1950s	39	51%	23%	13%	10%
1960s	22	45%	23%	9%	9%
1970s	14	50%	7%	21%	14%
1980s	28	68%	14%	14%	4%
1990s	28	50%	11%	11%	14%
2000s	43	33%	28%	14%	16%
2010s	71	46%	17%	14%	7%
2020s	31	61%	10%	10%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…c5	46%	61%	▲ +14.8%
7…Be4	17%	10%	▼ -7.2%
7…d5	14%	10%	▼ -4.4%
7…d6	7%	10%	▲ +2.6%

Parties historiques

7…c5 — 49.3% (136 parties)

1950 — Hermanowa, Roza Maria vs Rudenko, Ludmila — 0-1 — Moscow RUS
1950 — Hermanova, Roza vs Rudenko, Ludmila — 0-1 — Moscow RUS
1950 — Barda, Olaf vs Napolitano, Matteo — 0-1 — corr Wch1
1950 — Gereben, Erno vs Berczy, Robert — 1-0 — Budapest HUN
1950 — Gereben, Erno vs Berczy, Jozsef — 1-0 — Budapest HUN

7…Be4 — 17.8% (49 parties)

1950 — Machate, Gottlieb vs Sahlmann, Walter — 1-0 — Bad Pyrmont GER
1951 — Horowitz, Albert Israel vs Santasiere, Anthony — 1/2-1/2 — New York ch-USA
1951 — Chemes, Luis vs Garibaldi, Oscar — 1-0 — Buenos Aires ARG
1951 — Horowitz, Albert Israel vs Baev, Pavel — 1/2-1/2 — New York, NY USA
1951 — Gereben, Erno vs Trojahn, Pietro Caumo — 1-0 — Zoppot

7…d5 — 13.0% (36 parties)

1951 — Pytlakowski, Andrzej vs Lokvenc, Josef — 1/2-1/2 — Marianske Lazne zt
1951 — Gereben, Erno vs Negyesy, Gyorgy — 1-0 — Budapest HUN
1954 — Evans, Larry vs Saidy, Anthony — 1-0 — New Orleans, LA USA
1958 — Milev, Zdravko vs Sapunov, L. — 1-0 — Sofia BUL
1958 — Pasman, Marks vs Ivanovs, Aleksandrs — 1/2-1/2 — Riga LAT

7…d6 — 10.1% (28 parties)

1951 — Uhlmann, Wolfgang vs Musmann, Lothar — 1-0 — Leipzig GER
1958 — Shainswit, George vs Vano, Edward — 1-0 — New York, NY USA
1959 — Djaja, Dragutin vs Blaszczak, Czeslaw — 1-0 — Warsaw POL
1959 — Djaja, Dragutin vs Blaszczak, Czeslaw — 1-0 — Warsaw POL
1962 — Gereben, Erno vs Smederevac, Petar — 1-0 — It IIb Beverwijk NED

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