E14p - 4…Bb7 5.Bd3 d5 6.O-O Bd6 7.Nc3 [-0.09]

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E14p —
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 d5 6.O-O Bd6 7.Nc3
Eval: [-0.09]
Les coups candidats
7…O-O — 80.3% (561 parties)
Ambassadeurs : Lukacs, Peter (6x), Javakhishvili, Lela (6x), Shengelia, David (6x), Danielian, Elina (5x), Korneev, Oleg (4x), Razuvaev, Yuri S (4x), Averbakh, Yuri L (3x), Damjanovic, Mato (3x)
7…Nbd7 — 11.2% (78 parties)
Ambassadeurs : Tibensky, Robert (6x), Franzen, Jozef (2x), Grosar, Aljosa (2x), Turzo, Attila (2x), Skipworth, Arthur (1x), MacDonald, Ewan John (1x), Hodges, Albert (1x), Halpern, Jacob (1x)
7…a6 — 6.2% (43 parties)
Ambassadeurs : Khurtsidze, Nino (2x), Neelotpal, Das (2x), Berger, Jacob (1x), Von Bardeleben, Curt (1x), Munisic Milovan (1x), Gostisa, Leon (1x), Ley, Reinhard (1x), Landsrath, Mario (1x)
7…dxc4 — 1.3% (9 parties)
Ambassadeurs : Blanchard Jody (1x), Blanchard, Ophelie (1x), Jarulina, Dinara (1x), Nikitina, Aleksandra (1x), Mchedlishvili, Mikheil (1x), Salem, Ghuloom (1x), Epishin, Vladimir (1x), Agrest, Evgenij (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…Nbd7 7…a6 7…dxc4
<1800 9 67% 11% 22% —
1800-2200 135 74% 11% 8% 4%
2200-2600 445 82% 11% 6% 1%
2600+ 22 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…Nbd7 7…a6 7…dxc4
1890s 3 33% 67% — —
1900s 2 50% — 50% —
1920s 2 50% 50% — —
1940s 2 100% — — —
1950s 4 75% 25% — —
1960s 13 69% 23% — —
1970s 20 95% 5% — —
1980s 35 86% 11% 3% —
1990s 89 72% 19% 7% 1%
2000s 194 78% 10% 8% 3%
2010s 272 85% 7% 6% 1%
2020s 63 79% 14% 5% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 85% 79% ▼ -5.2%
7…Nbd7 7% 14% ▲ +6.9%
7…a6 6% 5% ▼ -1.1%
7…dxc4 1% 2% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
7…O-O — 80.3% (561 parties)
1896 — Wallace, Albert E N vs Hodgson, Robert Lord — 1-0 — Sydney AUS
1908 — Berger, Jacob vs Alapin, Simon — 0-1 — Vienna AUT
1924 — Koltanowski, George BEL2 vs Reca, Damian ARG2 — 0-1 — Paris FRA
1947 — Maderna vs Aponte De La Corte, Jose Manuel — 1-0 — Buenos Aires ch-ARG
1948 — Maderna, Carlos vs Pilnik, Herman — 1/2-1/2 — Mar del Plata ARG
7…Nbd7 — 11.2% (78 parties)
1893 — Hodges, Albert vs Halpern, Jacob — 1-0 — New York, NY USA
1897 — Skipworth, Arthur vs MacDonald, Ewan John — 1/2-1/2 — Craigside
1921 — Sergeant, Edward vs Euwe, Max — 1/2-1/2 — Broadstairs
1958 — Kluger, Gyula vs Hajtun, Jozsef — 1/2-1/2 — Budapest HUN
1961 — Radovici, Corvin vs Botez, Constantin — 1/2-1/2 — Romania
7…a6 — 6.2% (43 parties)
1908 — Berger, Jacob vs Von Bardeleben, Curt — 1/2-1/2 — Vienna AUT
1980 — Munisic Milovan vs Gostisa, Leon — 1-0 — ?
1993 — Lukacs, Peter vs Kalesis, Nikolaos — 1/2-1/2 — Budapest HUN
1993 — Mikhalchishin, Adrian vs Grosar, Aljosa — 1/2-1/2 — Portoroz SLO
1993 — Polgar, Susan vs Ljubojevic, Ljubomir — 0-1 — Monte Carlo MNC
7…dxc4 — 1.3% (9 parties)
1999 — Blanchard Jody vs Blanchard, Ophelie — 0-1 — ?
2003 — Jarulina, Dinara vs Nikitina, Aleksandra — 1-0 — Russia
2004 — Mchedlishvili, Mikheil vs Salem, Ghuloom — 1-0 — Dubai UAE
2006 — Prosviriakov, Vladimir vs Gibson, Christopher A — 1/2-1/2 — Hastings ENG
2008 — Navarro Molina, David vs Colom Sienes, Eduardo — 0-1 — Padron