D05i — Colle: 5.c3 Nbd7

1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.c3 Nbd7 * ○ 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 case forte e5, un fou actif en d3 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et 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, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nc3 (Développer Nb1) ; Bd2 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte e4, un avant-poste en e4 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; b6+Bb7 (PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bg4, ...Bf5)) ; ...Be7 (Développer Bf8) ; ...Bg4 (Clouer Nf3) ; ...c4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, f2→e3, c3→d4, e3→d4	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 10)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, c1, a1, h1)	4 (c8, 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	fermé
Ruptures	● c3-c4, ● e3-e4	● …c5-c4, ● …e6-e5

Partie
1908 Vienna – Round 14 – Cohn, Erich – 1-0 – Mieses, Julio Cesar – G138 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. c3 e6 5. Bd3 Nbd7 6. Nbd2 Bd6 7. O-O b6 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Rb8
1925 Moscow – Round 1 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Bogoljubow, Efim – G133 1. Nf3 Nf6 2. d4 e6 3. e3 c5 4. Bd3 d5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 Qc7 9. e4 cxd4 10. cxd4 dxe4
1926 Bardejov – Round 5 – Colle, Edgar – 1-0 – Schulz, Jan Sr – G24 1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
1926 Berlin – Round 1 – Colle, Edgar – 0-1 – Bogoljubow, Efim – G13 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. O-O Bd6 7. Nbd2 O-O 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1927 London – Round 8 – Colle, Edgar – 1/2-1/2 – Bogoljubow, Efim – G38 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. h3 cxd4 9. exd4 e5 10. dxe5 Nxe5
1927 Scarborough Premier 3rd – Round 7 – Colle, Edgar – 0-1 – Bogoljubow, Efim – G18 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1927 Tunbridge Wells – Round 4 – Colle, Edgar – 1/2-1/2 – Yates, Frederic D – G10 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Qc7 7. O-O Be7 8. e4 dxe4 9. Nxe4 O-O 10. Bg5 b6
1928 Bradley Beach – Round 6 – Kupchik, Abraham – 1-0 – Lasker, Edward – G14 1. Nf3 d5 2. d4 Nf6 3. e3 c5 4. c3 e6 5. Bd3 Nbd7 6. Ne5 Bd6 7. f4 b6 8. Nd2 Bb7 9. Qf3 Qe7 10. O-O O-O
1928 Dortmund – Round 1 – Colle, Edgar – 1/2-1/2 – Van Nuess, Alfred – G2 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O Qc7 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1928 Hastings Premier /29 9th – Round 3 – Colle, Edgar – 0-1 – Sergeant, Edward – G10 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c3 e6 5. Bd3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1928 It BSG Berlin GER – Round 8 – Ahues, Carl – 1/2-1/2 – Stoltz, Gosta – G34 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. e4 dxe4 9. Nxe4 cxd4 10. cxd4 b6
1928 Scarborough – Round 4 – Colle, Edgar – 1-0 – Schubert, Frantisek – G10 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 cxd4 7. exd4 Bd6 8. O-O O-O 9. Re1 Qc7 10. Qe2 Re8
1929 Budapest – Round 1 – Colle, Edgar – 1/2-1/2 – Joyeux Steiner, Gael – G28 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
1929 Budapest – Round 1 – Havasi, Kornel – 1-0 – Monticelli, Mario – G10 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. Re1 b6 9. e4 dxe4 10. Nxe4 Bb7
1929 Budapest HUN – Round 1 – Przepiorka, Dawid – 1-0 – Prokes, Ladislav – G9 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 Qc7 9. e4 cxd4 10. cxd4 dxe4
1929 Hastings Premier 1928/29 9th – Round 7 – Marshall, Frank – 1-0 – Michell, Reginald – G9 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. e4 cxd4 8. Nxd4 O-O 9. exd5 exd5 10. O-O Ne5
1929 Paris Paris FRA – Round 1 – Colle, Edgar – 1-0 – Duchamp, Marcel – G1 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 e5 9. e4 dxe4 10. Nxe4 Nxe4
1930 Frankfurt – Round 2 – Przepiorka, Dawid – 1-0 – Nimzowitsch, Aron – G11 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 c4 9. Bc2 b5 10. e4 Bf4
1930 San Remo – Round 1 – Colle, Edgar – 0-1 – Rubinstein, Akiba – G22 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Qc7 7. O-O Be7 8. Re1 O-O 9. e4 dxe4 10. Nxe4 Nxe4
1930 Scarborough – Round 3 – Ahues, Carl – 1/2-1/2 – Michell, Reginald – G18 1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Qc7 7. O-O Bd6 8. Qe2 b6 9. e4 dxe4 10. Nxe4 O-O
1930 Scarborough – Round 9 – Colle, Edgar – 1-0 – Michell, Reginald – G50 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
1932 Pasadena, CA USA – Round ? – Kashdan, Isaac – 1-0 – Steiner, Herman – G10 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. Qe2 b6 9. e4 dxe4 10. Nxe4 Bb7
1933 Scheveningen – Round 1 – Flohr, Salo – 1-0 – Bogoljubow, Efim – G3 1. d4 e6 2. Nf3 Nf6 3. e3 c5 4. Bd3 d5 5. c3 Nbd7 6. Ne5 Nxe5 7. dxe5 Nd7 8. f4 c4 9. Be2 Bc5 10. e4 Nb6
1935 Barcelona – Round 1 – Maristany Mena, Jaume – 0-1 – Grob, Henry – G9 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O b6 8. e4 dxe4 9. Nxe4 Bb7 10. Nxf6+ Bxf6
1935 Buenos Aires – Round 1 – Piazzini, Luis – 1-0 – da Silva Rocha, Adhemar – G30 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1936 Budapest HUN – Round ? – Lovas, Gyula – 1-0 – Gereben, Erno – G28 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. Bd3 e6 5. c3 Nbd7 6. Nbd2 Be7 7. Ne5 Nxe5 8. dxe5 Nd7 9. f4 O-O 10. O-O b6
1936 Hastings3637 – Round 8 – Koltanowski, George – 0-1 – Feigin, M. – G34 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 Qc7 9. e4 cxd4 10. cxd4 dxe4
1936 Munich GER – Round 13 – Prins, Lodewijk – 1-0 – Raud, Ilmar – G8 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. O-O Bd6 7. Nbd2 O-O 8. Qe2 Qc7 9. e4 cxd4 10. cxd4 dxe4
1936 Zandvoort – Round 7 – Prins, Lodewijk – 0-1 – Keres, Paul – G48 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. O-O Bd6 7. Nbd2 O-O 8. Qe2 Qc7 9. e4 cxd4 10. cxd4 dxe4
1936 Zandvoort – Round 9 – Prins, Lodewijk – 1/2-1/2 – Gruenfeld, Ernst – G56 1. d4 Nf6 2. Nf3 d5 3. e3 c5 4. c3 Nbd7 5. Bd3 e6 6. O-O Bd6 7. Nbd2 O-O 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1937 Hastings3738 – Round 3 – Tylor, Theodore Henry – 1-0 – Fairhurst, William – G10 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. Re1 b6 9. e4 dxe4 10. Nxe4 Bb7
1937 Kemeri – Round 1 – Landau, Salo – 1-0 – Book, Eero – G30 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 Qc7 9. e4 cxd4 10. cxd4 dxe4
1937 Kemeri LAT – Round 10 – Fine, Reuben – 1/2-1/2 – Keres, Paul Petrovich – G4 1. d4 e6 2. Nf3 Nf6 3. e3 c5 4. Bd3 d5 5. c3 Nbd7 6. O-O Bd6 7. Nbd2 O-O 8. Re1 Qb6 9. b3 e5 10. e4 cxd4
1938 Bad Oeynhausen – Round 1 – Eliskases, Erich – 1-0 – Engels, Ludwig – G22 1. Nf3 Nf6 2. d4 e6 3. e3 d5 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Ne4
1938 GBR Ch 31. Major B – Round 1 – Peters, Arthur John – 1/2-1/2 – Seitz, Jakob Adolf – G1 1. d4 c5 2. e3 d5 3. Nf3 Nf6 4. c3 e6 5. Bd3 Nbd7 6. Nbd2 b6 7. Qe2 Bb7 8. e4 dxe4 9. Nxe4 Be7 10. O-O Nxe4
1938 Trade Unions – Round 13 – Kotov Lundqvist, Alex – 1-0 – Levitas, B – G103 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 e5 9. e4 Re8 10. exd5 cxd4
1939 Buenos Aires ol prel-C – Round 5 – Granda Ponce, Nicolas Alejandro – 0-1 – Piazzini, Luis – G17 1. d4 d5 2. e3 Nf6 3. Nf3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Qc7 7. O-O Bd6 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
1940 New York ch-USA – Round 9 – Reinfeld, Fred – 1/2-1/2 – Denker, Arnold S – G50 1. Nf3 d5 2. d4 e6 3. e3 c5 4. Bd3 Nf6 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
1946 POL Ch – Round 12 – Sliwa, Bogdan – 1-0 – Makarczyk, Kazimierz – G66 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. Re1 b6 9. e4 dxe4 10. Nxe4 Bb7
1951 BRA Ch – Round 6 – Siqueira, Alexandre Carneiro – 0-1 – German, Eugenio – G12 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c3 d5 5. Bd3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 Qc7 9. e4 cxd4 10. cxd4 dxe4
1957 Reggio Emilia ch ITA – Round 10 – Primavera, Giuseppe – 1/2-1/2 – Romani, Elio – G36 1. d4 Nf6 2. e3 e6 3. Bd3 c5 4. Nf3 d5 5. c3 Nbd7 6. O-O Qc7 7. Nbd2 Bd6 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
1958 Mar del Plata – Round 14 – Emma, Jaime – 1/2-1/2 – Sumar, Julio – G102 1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 cxd4 7. exd4 Qc7 8. O-O Bd6 9. Re1 O-O 10. Qe2 Re8
1958 YUG Ch sf – Round 6 – Kozomara, Vlado – 1/2-1/2 – Bajec, Ivo – G18 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. c3 c5 5. Bd3 Nbd7 6. Nbd2 Be7 7. O-O Qc7 8. c4 dxc4 9. Nxc4 O-O 10. Bd2 b6
1960 URS Ch sf – Round 17 – Gipslis, Aivars – 1-0 – Barenboim, Grigory – G131 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. O-O Bd6 7. Nbd2 O-O 8. c4 Qe7 9. cxd5 exd5 10. b3 Ne4
1961 Budapest ch-HUN – Round 1 – Rethy, Pal – 1/2-1/2 – Portisch, Lajos – G116 1. Nf3 Nf6 2. d4 c5 3. e3 e6 4. Bd3 d5 5. c3 Nbd7 6. Ne5 Nxe5 7. dxe5 Nd7 8. f4 c4 9. Bc2 Qh4+ 10. g3 Qh3
1962 Hungary – Round 17 – Liptay, Laszlo Dr. – 1/2-1/2 – Portisch, Lajos – G131 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O Qc7 8. e4 dxe4 9. Nxe4 O-O 10. Nxc5 Nxc5
1962 Zuerich Seniors – Round ? – Brinckmann, Alfred – 1-0 – Johner, Hans – G32 1. Nf3 Nf6 2. e3 d5 3. d4 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Qc7 10. Qe2 Re8
1963 Hoogovens – Round 11 – Stahlberg, Gideon – 1/2-1/2 – Matanovic, Aleksandar – G94 1. Nf3 c5 2. c3 d5 3. d4 e6 4. e3 Nf6 5. Bd3 Nbd7 6. Nbd2 Qc7 7. O-O Be7 8. Qe2 O-O 9. e4 dxe4 10. Nxe4 b6
1963 Leningrad ch-URS – Round 1 – Bondarevsky, Igor – 1-0 – Novopashin, Arkady – G32 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Qc7 7. O-O Be7 8. e4 dxe4 9. Nxe4 h6 10. Nxf6+ Nxf6
1965 Corr – Round ? – Korning, Peter – 1/2-1/2 – Laursen Lau – G3 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c3 e6 5. Bd3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 Qb6 9. e4 dxe4 10. Nxe4 Nxe4
1965 Sarajevo – Round 1 – Kozomara, Vlado – 1/2-1/2 – Matulovic, Milan – G20 1. Nf3 c5 2. e3 Nf6 3. d4 e6 4. c3 d5 5. Bd3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
1966 Parcetic Memorial 2nd – Round 5 – Kozomara, Vlado – 1/2-1/2 – Dely, Peter – G18 1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Bd3 d5 5. c3 Nbd7 6. Nbd2 Be7 7. O-O O-O 8. Re1 b6 9. e4 cxd4 10. cxd4 dxe4
1968 Chacabuco – Round 1 – Guimard, Carlos E – 1/2-1/2 – Rubinetti, Jorge – G3 1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. e3 d5 5. Bd3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1969 Rhyl ch-BCF – Round 9 – Parr, Frank – 1/2-1/2 – Clarke, Paul R H – G73 1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 b6 7. e4 cxd4 8. Nxd4 Nc5 9. Bb5+ Bd7 10. Bxd7+ Qxd7
1969 Yugoslavia – Round 1 – Karaklajic, Nikola – 1-0 – Despotovic, Momcilo – G4 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
Tata Steel Masters 2024 - Round 13 - Wei, Yi - 1-0 - Vidit, Santosh Gujrathi 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c3 e6 5. Bd3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. Re1 Qc7 9. e4 cxd4 10. cxd4 dxe4

D05i —

1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.c3 Nbd7

Eval: [-0.18]

Les coups candidats

6.Nbd2 — 75.7% (873 parties)

Ambassadeurs : Colle, Edgar (20x), Sanner, Zdzislaw (6x), Koltanowski, George (5x), Landau, Salo (4x), Bogoljubow, Efim (4x), Ottow Stefan (4x), Suess, Mirco (4x), Keller, Gert, Dr. (4x)

6.O-O — 20.8% (240 parties)

Ambassadeurs : Prins, Lodewijk (3x), Rey, Manny (3x), Johnston, Allan (3x), Hoi, Carsten (2x), Hermans, Marcel (2x), Meinhardt, Maximilian, Dr. (2x), Kreisl, Robert (2x), Colle, Edgar (1x)

6.Ne5 — 2.8% (32 parties)

Ambassadeurs : Ratzmann, Stefan (3x), Oswald, Hans-Joachim (3x), Flohr, Salo (1x), Bogoljubow, Efim (1x), Kolnhofer Josef (1x), Lichtenstein, Bernhard (1x), Denker, Arnold S (1x), Steiner, Herman (1x)

6.b3 — 0.3% (4 parties)

Ambassadeurs : McLane, William (1x), Keen, Mark (1x), Escrig Monferrer, Jose Vicente (1x), Molina Ballester, Sergio (1x), Caprio Victor (1x), Bruneau, Michel (1x), Sellin, Reinhard (1x), Rzoczek, Christoph (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Nbd2	6.O-O	6.Ne5	6.b3
<1800	49	73%	22%	4%	—
1800-2200	420	77%	21%	2%	0%
2200-2600	244	69%	26%	4%	—
2600+	2	50%	—	50%	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Nbd2	6.O-O	6.Ne5	6.b3
1900s	1	100%	—	—	—
1910s	1	—	100%	—	—
1920s	28	89%	7%	4%	—
1930s	48	85%	8%	6%	—
1940s	13	92%	8%	—	—
1950s	12	67%	33%	—	—
1960s	31	77%	16%	6%	—
1970s	15	80%	20%	—	—
1980s	51	71%	27%	2%	—
1990s	215	79%	19%	2%	0%
2000s	428	78%	18%	2%	1%
2010s	250	68%	28%	3%	—
2020s	60	65%	28%	7%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Nbd2	68%	65%	▼ -3.4%
6.O-O	28%	28%	+0.3%
6.Ne5	3%	7%	▲ +3.5%
6.b3	0%	0%	+0.0%

Parties historiques

6.Nbd2 — 75.7% (873 parties)

1908 — Cohn, Erich vs Mieses, Julio Cesar — 1-0 — Vienna AUT
1925 — Duz-Khotimirsky, Fedor Ivanovich vs Bogoljubow, Efim — 0-1 — Moscow RUS
1926 — Colle, Edgar vs Schulz, Jan Sr — 1-0 — Bardejov
1927 — Colle, Edgar vs Tackels, Andre — 1-0 — Brussels BEL
1927 — Colle, Edgar vs Yates, Frederic D — 1/2-1/2 — Tunbridge Wells

6.O-O — 20.8% (240 parties)

1919 — Wahltuch, Victor vs Capablanca, Jose — 0-1 — Hastings Hastings ENG
1926 — Colle, Edgar vs Bogoljubow, Efim — 0-1 — Berlin GER
1929 — Lazard, Frederic vs Raizman, Maurice — 0-1 — Paris FRA
1936 — Prins, Lodewijk vs Gruenfeld, Ernst — 1/2-1/2 — Zandvoort NED
1936 — Prins, Lodewijk vs Keres, Paul — 0-1 — Zandvoort NED

6.Ne5 — 2.8% (32 parties)

1928 — Kupchik, Abraham vs Lasker, Edward — 1-0 — Bradley Beach
1933 — Flohr, Salo vs Bogoljubow, Efim — 1-0 — Scheveningen NED
1934 — Denker, Arnold S vs Steiner, Herman — 1-0 — USA-ch Syracuse
1935 — Kolnhofer Josef vs Lichtenstein, Bernhard — 1-0 — Vienna AUT
1961 — Rethy, Pal vs Portisch, Lajos — 1/2-1/2 — Budapest ch-HUN

6.b3 — 0.3% (4 parties)

1996 — McLane, William vs Keen, Mark — 1/2-1/2 — corr IECG Cat-D
2001 — Caprio Victor vs Bruneau, Michel — 0-1 — ?
2004 — Escrig Monferrer, Jose Vicente vs Molina Ballester, Sergio — 0-1 — Valencia
2005 — Sellin, Reinhard vs Rzoczek, Christoph — 1-0 — ?

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