E50g - 6…Nc6 - Nimzo-Indian (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
Ambassadeurs : Popov, Vladimir Valentinovich (25x), Penrose, Jonathan (7x), Spassky, Boris Vasily (5x), Adamski, Jan (5x), Berkes, Ferenc (4x), Cherepkov, Alexander V (3x), O'Kelly de Galway, Alberic (3x), Cuellar Gacharna, Miguel (3x)
7.d5 — 8.4% (90 parties)
Ambassadeurs : Furman, Semyon (2x), Brilla-Banfalvi, Sandor (2x), Janosi, Ervin (2x), Filip, Miroslav (1x), Hanks, John (1x), Grigorian, Levon (1x), Steinberg, Mikhail (1x), Borisenko, Georgy K (1x)
7.a3 — 2.1% (23 parties)
Ambassadeurs : Demuria, Alexandr (1x), Khalilbayov, Sabirbay (1x), Kurass, Iskir (1x), Vorobets, Bogdan (1x), Radovici, Corvin (1x), Szabo, Iuliu inactive (1x), Zubieta Villegas, Magin (1x), Fauconnier, Clement (1x)
7.dxc5 — 2.1% (23 parties)
Ambassadeurs : Vetokhin, Savva (5x), Akbas, Umut Ata (2x), Cuneo, Raymond J (1x), McNown, M. (1x), Osorio, Ricardo Luis (1x), Chaslot De France, Timothee (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 44 82% 5% 9% 5%
1800-2200 400 88% 7% 2% 1%
2200-2600 401 88% 8% 2% 2%
2600+ 22 77% 9% 5% 9%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.d5 7.a3 7.dxc5
1950s 65 91% 6% 3% —
1960s 37 65% 27% 5% —
1970s 53 77% 19% 2% 2%
1980s 45 69% 27% — —
1990s 132 84% 13% 2% —
2000s 244 82% 10% 4% 1%
2010s 394 93% 2% 2% 2%
2020s 102 83% 3% — 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 93% 83% ▼ -9.3%
7.d5 2% 3% ▲ +0.7%
7.a3 2% 0% ▼ -1.8%
7.dxc5 2% 11% ▲ +8.5%
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 — 85.4% (916 parties)
1950 — Gligoric, Sofija vs Castillo, Mabel — 1/2-1/2 — Mar del Plata ARG
1951 — Martin M Pereira vs De Souza Mendes, Joao — 1-0 — Mar del Plata ARG
1951 — Pirc, Vasja vs Unzicker, Ferdinand, Dr. — 1-0 — Birmingham ENG
1951 — Pirc, Vasja vs Unzicker, Ferdinand, Dr. — 1-0 — Cheltenham
1951 — Bronstein, David I vs Aarland, Stein Arild — 1/2-1/2 — ?
7.d5 — 8.4% (90 parties)
1956 — Furman, Semyon vs Cherepkov, Alexander V — 1-0 — Leningrad RUS
1957 — Abanin, Vladimir vs Spassky, Boris Vasily — 1/2-1/2 — Leningrad RUS
1957 — Furman, Semyon 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 — 2.1% (23 parties)
1956 — Kurass, Iskir vs Vorobets, Bogdan — 1/2-1/2 — Kiev UKR
1957 — Demuria, Alexandr vs Khalilbayov, Sabirbay — 0-1 — Tbilisi GEO
1960 — Zubieta Villegas, Magin vs Fauconnier, Clement — 1-0 — Leipzig GER
1961 — Radovici, Corvin vs Szabo, Iuliu inactive — 1/2-1/2 — Romania
1978 — Napolitano, Christian vs Heemsoth, Hermann — 1/2-1/2 — corr Vidmar mem
7.dxc5 — 2.1% (23 parties)
1972 — Cuneo, Raymond J vs McNown, M. — 1-0 — ?
2000 — Osorio, Ricardo Luis vs Chaslot De France, Timothee — 0-1 — EM/H/033 ICCF Email
2003 — Zzzzzz vs Nullmover — 1/2-1/2 — Leiden NED
2010 — Baldin, Viktor Alekseevich vs Shabaev, Vladimir Nikolaevich — 1-0 — ICCF
2010 — Abramjan, Larisa vs Valdivia Loarte Haziel Rlariro — 0-1 — Nizhnij Novgorod