A12o — English: London Defence

1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5 5.Bg2 e6 6.Bb2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur les cases fortes d4 et e5, un fou actif en b2 et la paire de fous.

Côté adverse. Le fou enfermé en f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nc3 (Développer Nb1) ; h3 (Empêcher ...Bg4) ; d3 (Protéger e4, libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes e4 et g4, un fou actif en f5 et la paire de fous.

Côté adverse. Le fou enfermé en g2 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Be7 (Développer Bf8) ; ...Bg4 (Clouer Nf3) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● c6→d5, e6→d5, b7→c6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● e5 (2v0)	● e4 (3v0), ● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (4v1), ● e4 (3v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Actif (mob. 6)
Bg2	● Bg2 Enfermé (mob. 2)
Bf5		● Bf5 Actif (mob. 7)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, 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	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e2-e3	● …c6-c5, ● …d5-d4, ● …e6-e5

Partie
1924 Buenos Aires – Round 1 – Villegas, Benito – 0-1 – Belgrano Rawson, Luis – G1 1. c4 c6 2. Nf3 Nf6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bc5 8. d4 Be7 9. Nbd2 h6 10. Ne5 O-O
1924 Buenos Aires – Round 2.9 – Reti, Richard – 1/2-1/2 – Palau, Luis – G17 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O Bd6 8. d4 O-O 9. Nbd2 Qe7 10. Ne5 Bxe5
1925 Bratislava-A – Round 11 – Réti, Richard – 1/2-1/2 – Haida, August Konrad – G17 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O h6 8. d3 Be7 9. Nc3 O-O 10. Re1 Bh7
1925 DSB-24.Kongress – Round 7 – Reti, Richard – 1/2-1/2 – Tarrasch, Siegbert – G24 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 O-O 9. Nc3 Qe7 10. Re1 e5
1925 Leningrad – Round 1 – Rochlin, J. – 0-1 – Levenfish, Grigory – G20 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Bd6 7. O-O Nbd7 8. d4 h6 9. Nbd2 O-O 10. Ne5 Bxe5
1925 Marienbad – Round 9 – Haida, August Konrad – 0-1 – Michell, Reginald – G57 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. Nbd2 O-O 10. Re1 e5
1926 Semmering – Round 1 – Reti, Richard – 1-0 – Treybal, Karel – G98 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O O-O 8. d3 Ne8 9. Nbd2 Bf6 10. Qc2 Na6
1927 London olm – Round 5 – Kroone, Gerard – 0-1 – Andersen, Erik – G25 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. Nc3 h5 10. h4 Bg4
1927 London Olympiad 1st – Round 1.73 – Kroone, Gerard – 0-1 – Renaud, Georges – G12 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O Bd6 8. d4 h6 9. Nc3 O-O 10. e3 Qe7
1927 London Olympiad 1st – Round 13.81 – Euwe, Max – 1-0 – Marin y Llovet, Valentin – G147 1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. b3 Bf5 5. Bb2 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. cxd5 cxd5 10. Nd4 Bg6
1929 Bradley Beach – Round 1 – Alekhine, Alexander – 1-0 – Turover, Isador – G7 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O Nbd7 8. cxd5 cxd5 9. Nc3 O-O 10. d3 Rc8
1931 Kautsky mem8 – Round 9 – Flohr, Salo – 0-1 – Thelen, Bedrich – G7 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. g3 Nf6 5. Bg2 e6 6. Bb2 Nbd7 7. O-O Bd6 8. d4 h6 9. Nbd2 O-O 10. Nh4 Bh7
1931 New York – Round 9 – Santasiere, Anthony – 0-1 – Turover, Isador – G61 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O Nbd7 8. d3 h6 9. Nbd2 O-O 10. Re1 Bh7
1931 Prague ol Prague CZE – Round 1 – Lokvenc, Josef – 1-0 – Betbeder Matibet, Louis – G4 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Bd6 7. O-O O-O 8. d3 Nbd7 9. Nbd2 Qe7 10. Nh4 Bg4
1932 Bern – Round 14 – Bogoljubow, Efim – 1-0 – Staehelin, Adolf – G100 1. b3 d5 2. Bb2 Nf6 3. c4 c6 4. Nf3 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 h6 9. Nbd2 O-O 10. cxd5 exd5
1933 Budapest – Round ? – Mueller, Hans – 1-0 – Lilienthal, Andor – G6 1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. Nf3 Bf5 5. b3 e6 6. Bb2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. Nc3 O-O 10. Re1 e5
1933 Folkestone olm – Round 6 – Dake, Arthur William – 1-0 – Feygin, Michael – G4 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. cxd5 cxd5 10. Nd4 O-O
1934 Hastings3435 – Round 1 – Menchik, Vera Frantsevna – 1/2-1/2 – Michell, Reginald – G28 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. Nbd2 O-O 10. Qc2 h6
1936 Amsterdam – Round 1 – Michailowski, G. – 0-1 – Kmoch, Hans – G13 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. d4 Bd6 9. Nc3 O-O 10. Nd2 Re8
1936 Budapest HUN – Round 9 – May, Dezso – 1/2-1/2 – Balogh, Janos – G12 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d4 Be4 9. Nbd2 h5 10. Qc1 Nf8
1936 Moscow – Round 8 – Capablanca, Jose – 1-0 – Lilienthal, Andor – G41 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. d3 Be7 9. Nbd2 O-O 10. Rc1 a5
1937 BCF Ch 30th – Round 11 – Lenton, Alfred – 1-0 – Thomas, George Alan – G34 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O O-O 8. d3 h6 9. Nbd2 Nbd7 10. Re1 Bh7
1937 Kemeri – Round 7 – Ozols, Karlis – 1/2-1/2 – Berg, Terje Jensen – G122 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. Nc3 e5 10. cxd5 Nxd5
1937 Stockholm ol – Round 2 – O'Kelly de Galway, Alberic – 1-0 – Montgomerie, Roy – G17 1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. b3 Bf5 5. Bg2 e6 6. Bb2 Nbd7 7. O-O Bd6 8. d3 h6 9. Nbd2 O-O 10. Qc2 Rc8
1937 Stockholm ol (Men) – Round 9 – Fine, Reuben – 1-0 – O'Kelly de Galway, Alberic – G17 1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 O-O 9. Nbd2 e5 10. Qc2 h6
1937 Stockholm SWE – Round 13 – Solin, Ilmari – 0-1 – Poulsen, Christian – G60 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Bd6 7. O-O Nbd7 8. d4 Qe7 9. Nbd2 O-O 10. Ne5 Rad8
1938 AVRO – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Euwe, Max – G20 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. d3 Bc5 9. Nbd2 O-O 10. Qc2 Qe7
1938 Trade Unions – Round 1 – Levitas, B – 0-1 – Alatortsev, Vladimir N. – G24 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 c6 5. b3 e6 6. Bb2 Nbd7 7. O-O Bd6 8. Nc3 h6 9. d3 O-O 10. e4 Bh7
1939 Buenos Aires ol f-A – Round 13 – Tautvaisas, Povilas – 0-1 – Friedemann, Gunnar – G259 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. g3 Nf6 5. Bb2 e6 6. Bg2 Bd6 7. O-O h6 8. d3 O-O 9. Nbd2 Qe7 10. a3 Nbd7
1939 Buenos Aires ol prel-C – Round 3 – Granda Ponce, Nicolas Alejandro – 0-1 – O'Hanlon, John – G13 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O h6 8. d3 Nbd7 9. Qc2 O-O 10. Nbd2 Bg6
1939 Rosario – Round 1 – Garcia Vera, Oscar – 1-0 – Garcia Vera, Romeo – G15 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Be7 8. d3 h6 9. Nc3 O-O 10. Rc1 Bh7
1941 New York State CA – Round 10 – Santasiere, Anthony – 0-1 – Fine, Reuben – G25 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 c6 5. b3 e6 6. Bb2 Bd6 7. O-O O-O 8. d3 Qe7 9. Nc3 dxc4 10. e4 Bg4
1944 URS Ch sf Moscow RUS – Round 3 – Ragozin, Viacheslav – 1-0 – Romanovsky, Pjotr – G4 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. g3 Bf5 5. Bb2 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. Nbd2 O-O 10. Re1 e5
1946 Barcelona – Round 7 – Perez Perez, Francisco Jose – 1-0 – Cherta, Pedro – G47 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bd6 8. Nc3 O-O 9. d3 Qe7 10. Qc2 h6
1946 Gyor – Round 4 – Barcza, Gedeon – 1-0 – Ruffne Toth, Andrea – G10 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. b3 Bf5 5. Bb2 e6 6. c4 Nbd7 7. O-O h6 8. Nc3 Bc5 9. d4 Bd6 10. Nd2 O-O
1946 Hungary – Round 1 – Benko, Pal – 1-0 – Füster, Géza – G31 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. b3 Bf5 5. Bb2 e6 6. c4 Nbd7 7. O-O Bd6 8. Nc3 O-O 9. d4 Qe7 10. Nd2 Ba3
1946 Hungary – Round 1 – Szilagyi, Gyorgy Laszlo – 1-0 – Negyesy, Gyorgy – G30 1. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 4. c4 c6 5. g3 e6 6. Bg2 Nbd7 7. O-O h6 8. Nc3 Bc5 9. d4 Bd6 10. Nd2 Bg4
1946 Londen II – Round 5 – Devos, Paul – 1-0 – Euwe, Max – G9 1. c4 c6 2. Nf3 d5 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. d3 Bc5 9. Nbd2 O-O 10. Rc1 Qe7
1946 Londen II – Round 6 – Lupi, Francisco – 0-1 – De Winter Gallegos, Willy – G14 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d4 h6 9. c5 Bc7 10. b4 a5
1946 San Francisco ARG – Round 6 – Iliesco, Juan – 1-0 – Espinoza Flores, Rafael – G13 1. c4 Nf6 2. Nf3 c6 3. g3 d5 4. Bg2 Bf5 5. b3 e6 6. Bb2 Bd6 7. O-O h6 8. d3 O-O 9. Nc3 Bh7 10. Re1 Qe7
1947 Buenos Aires/La Plata – Round 3 – Eliskases, Erich – 1-0 – Euwe, Max – G6 1. c4 c6 2. Nf3 d5 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. Nc3 Bh7 9. d3 Bc5 10. e4 dxe4
1948 Bad Gastein – Round 6 – Lokvenc, Josef – 1/2-1/2 – Toth, Sz – G46 1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. c4 c6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. d3 Bc5 9. Nc3 O-O 10. Qc2 Qe7
1948 Moskou ch-URS – Round 8 – Lisitsin, Georgy – 1/2-1/2 – Panov, Vasily – G76 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 Nf6 5. g3 e6 6. Bg2 h6 7. O-O Be7 8. d3 O-O 9. Nbd2 a5 10. Re1 Na6
1949 OWL Ch – Round 2 – Werner, Stephan – 1-0 – Hecker, Erwin – G2 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. d3 Bb4 9. a3 Ba5 10. b4 Bc7
1949 OWL Ch – Round 6 – Werner, Stephan – 1-0 – Juehe, Heinrich – G6 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 Nf6 5. g3 e6 6. Bg2 Nbd7 7. O-O Be7 8. d3 O-O 9. Nc3 h6 10. Re1 Bh7
1950 Amsterdam – Round 10 – Pirc, Vasja – 0-1 – Van Scheltinga, Theo – G106 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. b3 Bf5 5. Bb2 e6 6. c4 Be7 7. O-O O-O 8. d3 h6 9. Nbd2 Nbd7 10. Qc2 Bh7
1951 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 0-1 – Keres, Paul – G116 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. g3 Bf5 5. Bg2 e6 6. Bb2 Nbd7 7. O-O h6 8. d3 Bc5 9. Nbd2 O-O 10. Qc2 Bh7
1951 Restricted Opening Tournament – Round ? – Sarosy, Zoltan L – 0-1 – Anderson, Frank Ross – G11 1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 Bf5 5. b3 e6 6. Bb2 Bd6 7. O-O O-O 8. d3 Qe7 9. Nc3 dxc4 10. bxc4 e5
1952 Buenos Aires – Round 1 – Garcia Vera, Romeo – 1-0 – Huguet, Horacio E – G23 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 h6 9. cxd5 exd5 10. e4 Bg4
1952 Mar del Plata – Round 15 – Reinhardt, Enrique – 0-1 – Bolbochan, J. – G107 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf5 5. b3 e6 6. Bb2 Nbd7 7. O-O h6 8. d3 Bc5 9. Nbd2 O-O 10. Qe1 Bh7
1953 NRW Ch – Round 2 – Werner, Stephan – 1/2-1/2 – Cherubim, Reinhard – G6 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O h6 8. d3 Be7 9. Nc3 O-O 10. Re1 Bh7
1953 NRW Ch – Round 6 – Werner, Stephan – 0-1 – Lachmann, Hans G – G15 1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. b3 Bf5 5. Bb2 e6 6. Nf3 Nbd7 7. O-O h6 8. d3 Be7 9. Nbd2 O-O 10. Qc2 Bh7
1953 Toronto CC Ch – Round 8 – Sarosy, Zoltan L – 1-0 – Kerns, Keith – G8 1. c4 c6 2. Nf3 d5 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Be7 7. O-O Nbd7 8. d3 O-O 9. Nbd2 h5 10. Rc1 Rc8
1954 Bucharest – Round 13 – Korchnoi, Viktor – 1-0 – Voiculescu, Paul – G108 1. c4 Nf6 2. g3 c6 3. b3 d5 4. Bb2 Bf5 5. Nf3 e6 6. Bg2 Nbd7 7. O-O Be7 8. d3 O-O 9. Nbd2 h6 10. Rc1 Bh7
1954 CSR Ch sf – Round 2 – Pithart, Frantisek – 0-1 – Tikovsky, Augustin – G6 1. Nf3 d5 2. g3 Bf5 3. Bg2 e6 4. c4 c6 5. b3 Nf6 6. Bb2 Nbd7 7. Nc3 h6 8. O-O Bd6 9. d3 Qe7 10. Qc2 O-O
1954 Olympiad final A – Round 1 – Filip, Marius Liviu – 1/2-1/2 – Lundin, Erik – G1 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3 Bf5 5. Bb2 e6 6. Bg2 Nbd7 7. O-O h6 8. Nc3 Be7 9. d3 O-O 10. Qc2 Bh7
1955 Gothenburg Interzonal – Round 2 – Stahlberg, Gideon – 1/2-1/2 – Pachman, Ludek – G20 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O O-O 8. d3 h6 9. Nbd2 a5 10. Qc2 Bh7
1955 Hoechst ch-GER – Round 1 – Hoenlinger, Baldur – 1/2-1/2 – Bialas, Wojciech – G56 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 h6 7. O-O Nbd7 8. d3 Bc5 9. Nc3 O-O 10. Qc2 Bh7
1956 Marianske Lazne/Praha – Round 1 – Stahlberg, Gideon – 1/2-1/2 – Wade, Robert G – G5 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Bc5 8. d3 Qe7 9. Nbd2 O-O 10. Qc2 h6
1956 Marianske Lazne/Praha – Round 14 – Flohr, Salo – 1/2-1/2 – Pachman, Ludek – G40 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O O-O 8. d3 a5 9. Nh4 Bg4 10. Nd2 Nfd7
1956 URS Ch sf – Round ? – Livshin, Iosif – 1-0 – Romanovsky, Pjotr – G11 1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. b3 Bf5 5. Bb2 e6 6. Nf3 h6 7. O-O Nbd7 8. d3 Be7 9. Nbd2 Bh7 10. a3 a5
1958 Argentina – Round 12 – Reinhardt, Heinrich – 1-0 – Benko, Francisco – G99 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 c6 5. b3 e6 6. Bb2 Nbd7 7. d3 Bc5 8. O-O O-O 9. Nbd2 Qe7 10. a3 a5
1958 Munich olm fin-B – Round 6 – Smiltiner, Shlomo – 1-0 – Vaitonis, Povilas – G51 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bb2 e6 6. Bg2 Nbd7 7. O-O Qc7 8. d3 Bc5 9. Nbd2 O-O 10. Nh4 Bg4
1958 Olympiad Munich GER – Round 3 – Uhlmann, Wolfgang – 1/2-1/2 – Cardoso Da Silva, Roberto – G2 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. Bg2 Bf5 5. b3 e6 6. Bb2 Be7 7. O-O Nbd7 8. d3 Bg6 9. Nc3 O-O 10. Qd2 a5
1958 World Championship 22th – Round 12 – Botvinnik, Mikhail – 1-0 – Smyslov, Vladimir – G11 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bg2 e6 6. Bb2 Nbd7 7. O-O h6 8. d3 Be7 9. Nbd2 O-O 10. a3 a5
1961 Moscow Ch – Round ? – Goldberg, Grigory A – 1-0 – Bykhovsky, Anatoly A – G36 1. c4 c6 2. b3 d5 3. Bb2 Nf6 4. Nf3 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O h6 8. d4 Bd6 9. Nc3 O-O 10. Nd2 Re8
1961 Zagreb – Round 16 – Damjanovic, Marko – 0-1 – Vospernik, Mira – G128 1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O Be7 8. d3 h6 9. Nbd2 O-O 10. Qc2 a5
1964 ESP Ch 29th – Round 9 – Visier Segovia, Fernando – 1/2-1/2 – Merino Mejuto, Domingo – G37 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. g3 e6 5. Bb2 Nf6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 h5 9. cxd5 exd5 10. Nc3 h4
1964 FRG Team Ch – Round 1.3 – Eising, Johannes – 0-1 – De Carbonnel, Heinz – G3 1. c4 c6 2. Nf3 d5 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O Be7 8. d3 O-O 9. Nbd2 a5 10. a3 h6
1964 Reykjavik – Round 1 – Johannsson, Ingi R – 1/2-1/2 – Palmason, Gudmundur – G10 1. Nf3 Nf6 2. g3 d5 3. c4 c6 4. b3 Bf5 5. Bg2 e6 6. Bb2 a5 7. O-O Be7 8. d3 Na6 9. Nbd2 h6 10. a3 O-O
1964 Tel Aviv olm prel – Round 7 – Naranja, Renato – 0-1 – Pomar Salamanca, Arturo – G245 1. c4 c6 2. Nf3 d5 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Be7 7. O-O O-O 8. d4 Nbd7 9. Nc3 Ne4 10. Nd2 Nxd2
1964 URS – Round ? – Kashdan, Isaac – 1-0 – Novikov, Igor – G1 1. c4 c6 2. b3 d5 3. Nf3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 h6 7. O-O Be7 8. d3 Nbd7 9. Nbd2 O-O 10. Rc1 Rc8
1965 It (Men) Budapest HUN – Round 1 – Savon, Vladimir – 1-0 – Toth, Bela – G11 1. Nf3 Nf6 2. g3 d5 3. c4 c6 4. b3 Bf5 5. Bg2 e6 6. Bb2 Nbd7 7. O-O h6 8. d4 Be7 9. Nfd2 O-O 10. Nc3 Qb6
1965 Leipzig Inter 1st – Round 3 – Trifunovic, Petar – 1/2-1/2 – Barcza, Gedeon – G4 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. b3 Bf5 5. Bb2 e6 6. c4 h6 7. O-O Nbd7 8. d3 Be7 9. Nbd2 O-O 10. Qc2 Bh7
1966 La Habana olm fin-B – Round 2 – Clarke, Peter H – 1-0 – Fairhurst, William – G24 1. c4 Nf6 2. Nf3 c6 3. g3 d5 4. b3 Bf5 5. Bb2 e6 6. Bg2 Bc5 7. O-O Nbd7 8. d4 Bd6 9. Nbd2 h6 10. e3 Qb8
1966 WchT U26 fin-A 13th – Round 4 – Sloth, Jorn – 0-1 – Polgar, Istvan – G6 1. c4 Nf6 2. Nf3 c6 3. g3 d5 4. b3 Bf5 5. Bb2 e6 6. Bg2 Nbd7 7. O-O h6 8. Nc3 Bb4 9. d3 O-O 10. a3 Be7
1967 IBM – Round 6 – Langeweg, Kick – 1-0 – Moiseev, Oleg – G24 1. c4 Nf6 2. g3 c6 3. b3 d5 4. Bb2 Bf5 5. Nf3 e6 6. Bg2 Be7 7. O-O O-O 8. d3 h6 9. Nbd2 a5 10. a3 Nbd7
1967 Kbenhavnsmesterskabet – Round 1 – Sloth, Jorn – 1/2-1/2 – Hvenekilde, Jorgen – G1 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bb2 e6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qe7 9. Nc3 O-O-O 10. Nd4 Bg4
1967 Oxford ch-BCF – Round 8 – Clarke, Peter H – 1/2-1/2 – Hoad, Zeline – G70 1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Bd6 7. O-O O-O 8. d4 Nbd7 9. Nbd2 Qe7 10. e3 Rac8
1967 Reggio Emilia ITA – Round 8 – Bertok, Mario Jr. – 1-0 – Jahr, Ulrich – G13 1. c4 Nf6 2. g3 c6 3. b3 d5 4. Bb2 Bf5 5. Bg2 e6 6. Nf3 Nbd7 7. O-O Bd6 8. d3 O-O 9. Nbd2 e5 10. cxd5 cxd5
1968 GDR Ch – Round 8 – Liebert, Heinz – 1-0 – Fuchs, Reinhart – G9 1. c4 Nf6 2. Nf3 c6 3. g3 d5 4. b3 Bf5 5. Bg2 e6 6. Bb2 Nbd7 7. O-O h6 8. d3 Bc5 9. Nc3 O-O 10. Qc2 Qe7
1968 Lugano olm - Round 1 - Johannessen, Simon T - 1-0 - Heidenfeld, Wolfgang - G6 1. c4 c6 2. Nf3 d5 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O Bd6 8. d3 Qc7 9. Nc3 O-O 10. Qd2 Bg6
1968 Prague U26 – Round 7 – Janata, Michael – 1-0 – Zedek, Alois – G31 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. d3 O-O 8. Nbd2 Nbd7 9. Qc2 Bg6 10. O-O c5
1969 FRG Ch – Round 14 – Schiffer, Karl-Josef – 1/2-1/2 – Rellstab, Ludwig – G16 1. c4 c6 2. Nf3 Nf6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Nbd7 7. O-O h6 8. d3 Be7 9. Nc3 O-O 10. Re1 Bh7
1969 Hoogovens-B – Round 6 – Hartoch, Robert G – 0-1 – Krabbe, Thomas – G33 1. c4 Nf6 2. g3 c6 3. b3 d5 4. Bb2 Bf5 5. Bg2 e6 6. Nf3 Be7 7. O-O O-O 8. d3 h6 9. Nc3 Bh7 10. Qc2 Nbd7
40. Olympiad Open 2012 – Round 1.3 – Akopian, Vladimir – 1-0 – Gemy, Jose Daniel – G48 1. c4 c6 2. Nf3 d5 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. d3 Be7 9. Nbd2 O-O 10. Rc1 Bh7
9. Norway Armageddon 2021 – Round 10.3 – Karjakin, Sergey – 1-0 – Aditya Tari – G14 1. b3 d5 2. Bb2 Bf5 3. g3 e6 4. Bg2 Nf6 5. c4 c6 6. Nf3 h6 7. O-O Bh7 8. d3 Be7 9. Nbd2 O-O 10. a3 a5
Alekhine Memorial 1971 – Round 14 – Stein, Leonid – 1/2-1/2 – Tal, Mikhail – G40 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Bg2 e6 6. Bb2 Be7 7. O-O O-O 8. d3 Nbd7 9. Nbd2 h6 10. Rc1 Bh7

A12o — London Defence

1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5 5.Bg2 e6 6.Bb2

Eval: [-0.16]

Les coups candidats

6…Nbd7 — 38.0% (885 parties)

Ambassadeurs : Euwe, Max (6x), Blazeka, Matej (5x), Lubczynski, Rafal (5x), Werner, Stephan (4x), Haida, August Konrad (3x), Keres, Paul (3x), Valkesalmi, Kimmo (3x), Valdes Romero, Leonardo (3x)

6…Be7 — 27.4% (638 parties)

Ambassadeurs : Moen, Andreas G.R. (4x), Wenner, Tobias (4x), Faldt, Magnus (3x), Metz, Hartmut (3x), Przewoznik, Jan (3x), Knudsen, Ragnar (3x), Payen, Arnaud (3x), Turover, Isador (2x)

6…h6 — 22.4% (522 parties)

Ambassadeurs : Ferguson, Mark (4x), Grabuzova, Tatiana (3x), Chistiakova, Tamara (3x), Stoeckl, Stephan (3x), Jelling, Erik (2x), Sunye Neto, Jaime (2x), Christiansen, Larry (2x), Michalet, Guy (2x)

6…Bd6 — 8.9% (206 parties)

Ambassadeurs : Euwe, Max (3x), Sarosy, Zoltan L (2x), Anderson, Frank Ross (2x), Gerstenberger, Heinz (2x), Montenegro Garcia, Marcos (2x), Perez Diaz, Alejandro (2x), Houska, Jovanka (2x), Mooloo (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Nbd7	6…Be7	6…h6	6…Bd6
<1800	46	35%	22%	24%	17%
1800-2200	840	36%	29%	22%	10%
2200-2600	910	35%	29%	28%	6%
2600+	14	50%	21%	29%	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Nbd7	6…Be7	6…h6	6…Bd6
1920s	23	65%	13%	—	17%
1930s	38	63%	8%	5%	21%
1940s	25	80%	—	8%	12%
1950s	32	56%	25%	9%	9%
1960s	39	46%	21%	13%	8%
1970s	58	38%	38%	21%	2%
1980s	118	34%	28%	30%	5%
1990s	423	36%	30%	20%	9%
2000s	710	38%	29%	20%	10%
2010s	723	37%	27%	25%	8%
2020s	138	30%	22%	39%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Nbd7	37%	30%	▼ -7.1%
6…Be7	27%	22%	▼ -4.9%
6…h6	25%	39%	▲ +14.1%
6…Bd6	8%	7%	▼ -1.5%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 10 parties
Ju, Wenjun — 3 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 2 parties
Alekhine, Alexander — 1 partie
Tal, Mikhail — 1 partie
Gukesh D — 1 partie

Parties historiques

6…Nbd7 — 38.0% (885 parties)

1924 — Villegas, Benito vs Belgrano Rawson, Luis — 0-1 — Buenos Aires ARG
1924 — Zubarev, Nikolay vs Alekhine, Alexey Alexandrovic — 1-0 — Moscow RUS
1924 — Reti, Richard vs Palau, Luis — 1/2-1/2 — Buenos Aires ARG
1925 — Reti, Richard vs Tarrasch, Siegbert — 1/2-1/2 — Breslau GER
1925 — Euwe, Max vs Fontein, George — 1-0 — NLD Cup

6…Be7 — 27.4% (638 parties)

1925 — Haida, August Konrad vs Horak, Adam — 1/2-1/2 — Bratislava SVK
1926 — Reti, Richard vs Treybal, Karel — 1-0 — Semmering AUT
1929 — Alekhine, Alexander vs Turover, Isador — 1-0 — Bradley Beach
1931 — Santasiere, Anthony vs Turover, Isador — 0-1 — New York, NY USA
1937 — Lenton, Alfred vs Thomas, George Alan — 1-0 — Blackpool, Imperial Hotel

6…h6 — 22.4% (522 parties)

1934 — Euwe, Max vs Kmoch, Hans — 1/2-1/2 — Leningrad Leningrad RUS
1937 — Hostinsky, Zdenek vs Koblencs, Alexander — 1/2-1/2 — Brno CZE
1948 — Lisitsin, Georgy vs Panov, Vasily — 1/2-1/2 — Moskou ch-URS
1949 — Pietzsch, Wolfgang vs Starke, Herbert — 1-0 — Bad Klosterlausnitz
1952 — Antoshin, Vladimir S vs Goldenov, Boris P — 1-0 — URS-ch sf Minsk BLR

6…Bd6 — 8.9% (206 parties)

1925 — Euwe, Max vs Graafland, Carla — 1-0 — NLD Cup
1925 — Rochlin, J. vs Levenfish, Grigory — 0-1 — Leningrad RUS
1926 — Euwe, Max vs Goldstein, Alexander — 1-0 — Weston
1927 — Mitchell, Graham Russell vs Herrick, James A — 1-0 — City of London CC
1930 — Gruber, Sandor vs Dyckhoff, R — 1/2-1/2 — Ebensee

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