E50g - 5…c5 6.Bd3 Nc6 (1957)

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E50g —
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 c5 6.Bd3 Nc6
Les coups candidats
7.O-O — 85.5% (899 parties)
Ambassadeurs : Popov, Vladimir Valentinovich (23x), Adamski, Jan (6x), Spassky, Boris Vasily (5x), Penrose, Jonathan (4x), Zsinka, Laszlo (4x), Berkes, Ferenc (4x), Penrose, Justin (3x), Cherepkov, Alexander V (3x)
7.d5 — 8.5% (89 parties)
Ambassadeurs : Brilla-Banfalvi, Sandor (2x), Knaak, Rainer (2x), Adamski, Jan (2x), Effertz, Helmut (2x), Janosi, Ervin (2x), Filip, Miroslav (1x), Hanks, John (1x), Borisenko, Georgy K (1x)
7.a3 — 2.2% (23 parties)
Ambassadeurs : Radovici, Corvin (1x), Szabo, Iuliu inactive (1x), Demuria, Alexandr (1x), Khalilbeili, Sultan (1x), Kurass, Iskir (1x), Vorobets, Bogdan (1x), Fernandez Zubieta, Cristian Benjamin (1x), Fauconnier, Clement (1x)
7.dxc5 — 2.1% (22 parties)
Ambassadeurs : Vetokhin, Savva (5x), Akbas, Umut Ata (2x), Cuneo, Raymond J (1x), McNown, M. (1x), Osorio Ricardo Luis (1x), De Francesco, Massimo (1x), Zzzzzz (1x), Nullmover (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.d5 7.a3 7.dxc5
<1800 16 88% — 6% 6%
1800-2200 325 88% 6% 2% 2%
2200-2600 442 89% 7% 1% 2%
2600+ 22 77% 9% 5% 9%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.d5 7.a3 7.dxc5
1920s 1 100% — — —
1930s 1 100% — — —
1940s 3 100% — — —
1950s 65 91% 6% 3% —
1960s 38 66% 26% 5% —
1970s 52 77% 19% 2% 2%
1980s 45 71% 24% — —
1990s 130 84% 13% 2% —
2000s 244 82% 10% 4% 1%
2010s 392 93% 2% 2% 2%
2020s 81 81% 4% — 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 93% 81% ▼ -11.1%
7.d5 2% 4% ▲ +1.4%
7.a3 2% 0% ▼ -1.8%
7.dxc5 2% 12% ▲ +10.0%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Parties historiques
7.O-O — 85.5% (899 parties)
1926 — Johner, Paul vs Nimzowitsch, Aron — 0-1 — Dresden GER
1939 — Kuzminykh, Evgeny vs Ilyin Zhenevsky, Alexander — 1/2-1/2 — Leningrad RUS
1948 — Gereben, Erno vs Kottnauer, Cenek — 1/2-1/2 — Bad Gastein
1948 — Dyckhoff Markus vs Koch, Berthold — 1-0 — ?
1948 — Dyckhoff vs Ang Ang Koch — 1-0 — Corr
7.d5 — 8.5% (89 parties)
1956 — Furman, Semyon vs Cherepkov, Alexander V — 1-0 — Leningrad RUS
1957 — Antoshin, Vladimir S vs Spassky, Boris Vasily — 1/2-1/2 — Leningrad RUS
1957 — Furman, Slavomir vs Blagidze, Alexander — 1-0 — Kiev UKR
1959 — Titenko, Vladimir F vs Thorbergsson, Freysteinn — 1-0 — Moscow RUS
1960 — O'Kelly de Galway, Alberic vs Chalkhasuren, Gonchich — 1/2-1/2 — Leipzig GER
7.a3 — 2.2% (23 parties)
1956 — Kurass, Iskir vs Vorobets, Bogdan — 1/2-1/2 — Kiev UKR
1957 — Demuria, Alexandr vs Khalilbeili, Sultan — 0-1 — Tbilisi GEO
1960 — Fernandez Zubieta, Cristian Benjamin vs Fauconnier, Clement — 1-0 — Leipzig GER
1961 — Radovici, Corvin vs Szabo, Iuliu inactive — 1/2-1/2 — Romania
1978 — Leal Napolitano, Yosman Jose vs Heemsoth, Hermann — 1/2-1/2 — corr Vidmar mem
7.dxc5 — 2.1% (22 parties)
1972 — Cuneo, Raymond J vs McNown, M. — 1-0 — ?
2000 — Osorio Ricardo Luis vs De Francesco, Massimo — 0-1 — EM/H/033 ICCF Email
2003 — Zzzzzz vs Nullmover — 1/2-1/2 — Leiden NED
2010 — Abramjan, Larisa vs Valitov, Ildar — 0-1 — Nizhnij Novgorod
2010 — Baldin, Viktor Alekseevich vs Shabaev, Vladimir Nikolaevich — 1-0 — ICCF