E14x - 4…Bb7 5.Bd3 c5 6.O-O Be7 7.Nc3 O-O

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E14x —
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.Nc3 O-O
Les coups candidats
8.d5 — 67.4% (542 parties)
Ambassadeurs : Danner, Georg (6x), Stefanova, Antoaneta (5x), Cori T., Deysi (4x), Bouaziz, Mehdi (4x), Fuller, Maxwell L (3x), Malaniuk, Vladimir P (3x), Palliser, Richard J D (3x), Lantzsch, Christian (3x)
8.b3 — 15.3% (123 parties)
Ambassadeurs : Rosselli del Turco, Stefano (1x), Stalda, Giuseppe (1x), Franco Raymundo, Eduardo (1x), Perez Perez, Francisco Jose (1x), Grigorian, Levon (1x), Mukniashvili (1x), Bobekov, Radko (1x), Ivanov, Pavlin Nikolay (1x)
8.Qe2 — 5.8% (47 parties)
Ambassadeurs : Kaiser, Michael (3x), Gooding, William (1x), Blake, Joseph (1x), Naegeli, Oskar (1x), Zimmermann, Otto (1x), Serebrisky, Alexander S (1x), Bekker, Leonid G (1x), Schweber, Samuel (1x)
8.e4 — 4.1% (33 parties)
Ambassadeurs : Padevsky, Nikola (1x), Spassov, Liuben (1x), Caldero Sanchez, Rafael (1x), Witt, Leslie (1x), Grizou, Regis (1x), Badii, Madjid (1x), Kreul, Helmut (1x), Van Wissen, Michiel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.d5 8.b3 8.Qe2 8.e4
<1800 20 30% 30% 10% 5%
1800-2200 299 56% 19% 8% 6%
2200-2600 372 85% 9% 4% 2%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8.d5 8.b3 8.Qe2 8.e4
1920s 3 67% — 33% —
1930s 6 67% 17% 17% —
1940s 1 100% — — —
1950s 13 54% 46% — —
1960s 10 30% 40% 20% 10%
1970s 23 65% 22% 4% 4%
1980s 23 61% 22% 4% 4%
1990s 102 73% 16% 2% 2%
2000s 262 63% 16% 9% 5%
2010s 323 71% 12% 4% 5%
2020s 38 74% 13% 5% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.d5 71% 74% ▲ +2.8%
8.b3 12% 13% ▲ +0.8%
8.Qe2 4% 5% ▲ +1.2%
8.e4 5% 0% ▼ -4.6%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
8.d5 — 67.4% (542 parties)
1923 — Tarrasch, Siegbert vs Miliani, Luigi — 1-0 — Trieste
1929 — Matisons, Hermanis vs Colle, Edgar — 1-0 — Carlsbad CZE
1930 — Marshall Viele, Fabrizio Aaron vs Ahues, Carl — 1-0 — Liege
1938 — Bogoljubow, Efim vs Heinicke, Gisbert — 1-0 — Bad Harzburg
1938 — Kovacs, Laszlo M vs Drelicska, J — 1-0 — Budapest HUN
8.b3 — 15.3% (123 parties)
1933 — Rosselli del Turco, Stefano vs Stalda, Giuseppe — 1/2-1/2 — Milan ITA
1952 — Bobekov, Radko vs Ivanov, Pavlin Nikolay — 1-0 — Sofia BUL
1954 — Jacob, Franz vs Kramer, Haije — 0-1 — Munich GER
1954 — Bauza, Lorenzo vs Perez Alcocer, Jose — 0-1 — Mar del Plata ARG
1955 — Jeney, F. vs Foldi, J. — 1-0 — Hungary ch
8.Qe2 — 5.8% (47 parties)
1925 — Gooding, William vs Blake, Joseph — 1-0 — Stratford-upon-Avon
1931 — Naegeli, Oskar vs Zimmermann, Otto — 0-1 — Winterthur
1964 — Serebrisky, Alexander S vs Bekker, Leonid G — 1/2-1/2 — ?
1966 — Schweber, Samuel vs Garcia Martinez, Silvino — 1-0 — Havana CUB
1979 — Sterkman, Christoph vs Reust, Josef — 1/2-1/2 — Muerren
8.e4 — 4.1% (33 parties)
1961 — Padevsky, Nikola vs Spassov, Liuben — 0-1 — Sofia BUL
1970 — Caldero Sanchez, Rafael vs Witt, Leslie — 0-1 — Siegen olm
1988 — Grizou, Regis vs Badii, Madjid — 0-1 — Toulouse-Caen
1994 — Wood, Walter H Dr vs Haines, William C — 1-0 — USA
1999 — Kreul, Helmut vs Van Wissen, Michiel — 1/2-1/2 — Ruhrgebiet