D78f - 7…dxc4 (1929)

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D78f —
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nc3 dxc4
Les coups candidats
8.Ne5 — 39.2% (734 parties)
Ambassadeurs : Mudrak, Josef (4x), Kverndal, Leif (3x), Goetzee, R. W.. (3x), Krings, Christoph (2x), Hoffmann, Matthias (2x), Sachs, Gulnara (2x), Cvitan, Ognjen (2x), Sharma, Lalgopal (2x)
8.a4 — 28.4% (531 parties)
Ambassadeurs : Stupak, Leonid K (7x), Matnadze Bujiashvili, Ann (5x), Mozny, Milos (3x), Garnett, John S (3x), Zhao, Yuanhe (3x), Rupp, Claus (2x), Heinatz, Gundula, Dr. (2x), Pardo, Alejandro (2x)
8.e4 — 22.9% (429 parties)
Ambassadeurs : Mudrak, Josef (4x), Beydullayeva, Govhar (4x), De Fotis, Gregory (3x), Bagaturov, Giorgi (3x), Viner, Phillip (2x), Runowiecki, Tadeusz (2x), Svoboda, Milos (2x), Leite, Denis Moreira (2x)
8.h3 — 2.9% (54 parties)
Ambassadeurs : Romanishin, Oleg M (3x), Anand, Viswanathan (3x), Bekker-Jensen, David (2x), Sekulic, Dusan (2x), Alvarez Alvarez Jair (1x), Estrada, Walter (1x), Herrmann, Ludwig (1x), Koch, Berthold (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Ne5 8.a4 8.e4 8.h3
<1800 128 39% 29% 18% 1%
1800-2200 952 46% 29% 16% 3%
2200-2600 580 29% 29% 32% 4%
2600+ 25 8% 4% 76% 12%
Évolution par décennie (% des parties)
Décennie N parties 8.Ne5 8.a4 8.e4 8.h3
1950s 14 29% 36% 7% 7%
1960s 28 43% 25% 29% 4%
1970s 23 43% 22% 26% 4%
1980s 47 40% 34% 19% 2%
1990s 247 45% 26% 16% 4%
2000s 400 50% 26% 14% 5%
2010s 719 40% 33% 18% 2%
2020s 393 23% 24% 46% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Ne5 40% 23% ▼ -16.8%
8.a4 33% 24% ▼ -8.5%
8.e4 18% 46% ▲ +28.6%
8.h3 2% 1% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Ju, Wenjun — 1 partie
Parties historiques
8.Ne5 — 39.2% (734 parties)
1950 — Cala, Adrian vs Nestler, Daniel — 1/2-1/2 — Venice ITA
1952 — Udovcic, Mijo vs O'Kelly de Galway, Alberic — 1/2-1/2 — Belgrade SRB
1953 — Elstner, Rudolf vs Heinrich, Karl — 1-0 — Jena GER
1956 — Nei, Iivo vs Sokolsky, Alexey — 1-0 — Tallinn EST
1962 — Reilly, Brian Patrick vs Sakhalkar, Suresh — 1/2-1/2 — Varna BUL
8.a4 — 28.4% (531 parties)
1950 — Hromada, Vaclav vs Herink, Miroslav — 1/2-1/2 — Chocen
1951 — Barda, Olaf vs Sajtar, Jaroslav — 1/2-1/2 — Marianske Lazne zt
1953 — Hartung, Karl Heinz vs Reichenbach, Werner — 0-1 — Brandenburg/Havel
1956 — Zilber, Israel vs Osnos, Viatcheslav — 1-0 — Leningrad RUS
1959 — Fricker, Arthur vs Norcia, Fabrizio — 0-1 — Imperia
8.e4 — 22.9% (429 parties)
1957 — Palmason, Gudmundur vs Ravn, Palle — 0-1 — Reykjavik ISL
1960 — Koshnitsky, Gregory vs Viner, Phillip — 1-0 — Adelaide AUS
1963 — Milicevic, Dragoljub vs Nikolic, Branko — 1-0 — cr C-2000
1966 — Reshko, Aron vs Alexander G — 1/2-1/2 — Moscow RUS
1967 — Szekely, Sandor vs Vecsey, Dr. Zoltan — 0-1 — Hungary CCC-8
8.h3 — 2.9% (54 parties)
1950 — Herrmann, Ludwig vs Koch, Berthold — 0-1 — Soemmerda ch GDR
1968 — Alvarez Alvarez Jair vs Estrada, Walter — 1/2-1/2 — ch URU
1973 — Muniz Vicente, Juan Luis vs Nieto Miguez, Manuel — 1-0 — Teesside ENG
1987 — Prentos, Konstantinos vs Mastoras, Ilias — 1-0 — Leukos Pyrgos
1990 — Kopec, Danny vs Braulio, Mendes — 1-0 — ?