E14v - 4…Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O 8.Bb2 d5 [+0.04]

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E14v —
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O 8.Bb2 d5
Eval: [+0.04]
Les coups candidats
9.Nbd2 — 37.9% (142 parties)
Ambassadeurs : Dronavalli, Harika (4x), Kosteniuk, Alexandra (3x), Filip, Miroslav (2x), Kozma, Julius (2x), Bertholdt, Dieter (2x), Tarjan, James (2x), Lechtynsky, Jiri (2x), Novak, Ervin (2x)
9.Nc3 — 28.5% (107 parties)
Ambassadeurs : Berta, Matyas (2x), Spraggett, Kevin (2x), Dgebuadze, Alexandre (2x), Trabert, Bettina (2x), Zarkovic, Mila (2x), Barry, George (1x), Short, Robert (1x), Langeweg, Kick (1x)
9.Qe2 — 18.1% (68 parties)
Ambassadeurs : Pachman, Ludek (3x), Hoffman, Alejandro (3x), Langeweg, Kick (2x), Hort, Vlastimil (2x), Ribli, Zoltan (2x), Hakansson, Arthur (1x), Nimzowitsch, Aaron (1x), Ostojic, Predrag (1x)
9.cxd5 — 9.9% (37 parties)
Ambassadeurs : Gufeld, Eduard (1x), Kholmov, Ratmir D (1x), Czebe, Attila (1x), Lukacs, Peter (1x), Haag, Wolfgang (1x), Klundt, Klaus (1x), Fiorito, Fabian (1x), Orlov, Vassily (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Nbd2 9.Nc3 9.Qe2 9.cxd5
<1800 3 33% — 33% —
1800-2200 79 41% 34% 10% 5%
2200-2600 218 38% 27% 18% 13%
2600+ 16 44% 12% 19% 19%
Évolution par décennie (% des parties)
Décennie N parties 9.Nbd2 9.Nc3 9.Qe2 9.cxd5
1850s 1 100% — — —
1880s 1 100% — — —
1890s 1 — 100% — —
1920s 1 — — 100% —
1950s 7 43% — 57% —
1960s 9 33% 11% 44% 11%
1970s 25 40% 28% 32% —
1980s 32 50% 19% 31% —
1990s 61 25% 51% 15% 7%
2000s 91 44% 29% 13% 10%
2010s 108 40% 26% 12% 10%
2020s 38 26% 18% 18% 32%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Nbd2 40% 26% ▼ -13.5%
9.Nc3 26% 18% ▼ -7.5%
9.Qe2 12% 18% ▲ +6.4%
9.cxd5 10% 32% ▲ +21.4%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
9.Nbd2 — 37.9% (142 parties)
1856 — Somacarana vs Cochrane, John Miles — 0-1 — Calcutta IND
1887 — Burn, Amos vs Taubenhaus, Jean — 1-0 — Frankfurt GER
1955 — Filip, Miroslav vs Sliwa, Bogdan — 1/2-1/2 — Prague tm Prague CZE
1958 — Kozma, Julius vs Bertholdt, Dieter — 1/2-1/2 — Kienbaum
1958 — Kozma, Julius vs Bertholdt, Dieter — 1/2-1/2 — It Kienbaum GER
9.Nc3 — 28.5% (107 parties)
1891 — Barry, George vs Short, Robert — 0-1 — Montreal CAN
1966 — Langeweg, Kick vs Bobotsov, Milko G — 1-0 — Beverwijk NED
1970 — McKay, Roderick M vs Belkadi, Ridha — 1-0 — Siegen GER
1970 — Pozdniakov, Vladimir vs Antoshin, Vladimir S — 1-0 — Kuibyshev
1971 — Zhidkov, Valery S vs Gulko, Boris — 1-0 — Rostov on Don
9.Qe2 — 18.1% (68 parties)
1921 — Hakansson, Arthur vs Nimzowitsch, Aaron — 1/2-1/2 — Kristiansstad
1954 — Sajtar, Jaroslav vs Brat, Vaclaw — 0-1 — Prague CZE
1959 — Padevsky, Nikola vs Kostro, Jerzy — 1-0 — Leningrad RUS
1959 — Pachman, Ludek vs Ratolistka, Josef — 1/2-1/2 — Bratislava SVK
1959 — Jenei, Ferenc vs Navarovszky, Laszlo — 1/2-1/2 — HUN-ch Budapest HUN
9.cxd5 — 9.9% (37 parties)
1966 — Gufeld, Eduard vs Kholmov, Ratmir D — 1/2-1/2 — Tbilisi ch-URS
1995 — Shchekachev, Andrei vs Goldgewicht, Lionel — 1-0 — Cannes op
1996 — Fiorito, Fabian vs Orlov, Vassily — 1/2-1/2 — PCA Qualifier g/25,
1997 — Haag, Wolfgang vs Klundt, Klaus — 1-0 — Bayern
1998 — Czebe, Attila vs Lukacs, Peter — 1-0 — HUN-chT9899