D24j - 4…a6 5.a4 Nc6 - QGA (1935)

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D24j —
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 a6 5.a4 Nc6
Les coups candidats
Ambassadeurs : Schmitz, Manuela (5x), Grottke, Hans-Joachim, Dr. (3x), Fominyh, Alexander (3x), Schmitz, Andreas Arnold (3x), Blau, Max (2x), Aloni, Itzchak (2x), Vladimirov, Boris T (2x), Kozlovskaya, Valentina (2x)
6.e3 — 39.2% (443 parties)
Ambassadeurs : Bernard, Ryszard (4x), Foguelman, Alberto (3x), Danielian, Elina (3x), Nowicki, Eva (3x), Garcia Palermo, Carlos Horacio (2x), Fontaine, Robert (2x), Ulms, Sandra (2x), Baudin, Frederic (2x)
6.Bg5 — 11.1% (125 parties)
Ambassadeurs : Reis, Alan De Albuquerque Maran (3x), Volpert, Larisa (1x), Konarkowska-Sokolov, Henrijeta (1x), Hoellman, Ludger (1x), Meyer, Peter (1x), Aliev, Yuri (1x), Maksimov, Aleksey (1x), Barkhagen, Jonas (1x)
6.a5 — 4.6% (52 parties)
Ambassadeurs : Bonafont, Philip R (2x), Holmstrand, Lars (1x), Horberg, Bengt-Eric (1x), Raletich George (1x), Fuster, Geza (1x), Pomar Salamanca, Arturo (1x), Johannsson, Ingi R (1x), Abrahams, Gerald (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.e4 6.e3 6.Bg5 6.a5
<1800 24 38% 42% 8% 4%
1800-2200 443 36% 43% 10% 5%
2200-2600 429 45% 34% 14% 4%
2600+ 5 40% — 40% 20%
Évolution par décennie (% des parties)
Décennie N parties 6.e4 6.e3 6.Bg5 6.a5
1900s 1 — 100% — —
1930s 3 33% 67% — —
1940s 4 25% 75% — —
1950s 8 50% 25% — 25%
1960s 33 42% 39% 3% 9%
1970s 26 46% 46% 4% 4%
1980s 56 45% 38% 12% 4%
1990s 228 42% 39% 12% 3%
2000s 317 42% 40% 9% 4%
2010s 354 38% 37% 14% 6%
2020s 100 38% 41% 12% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.e4 38% 38% -0.1%
6.e3 37% 41% ▲ +4.3%
6.Bg5 14% 12% ▼ -1.8%
6.a5 6% 3% ▼ -2.9%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
6.e4 — 40.6% (459 parties)
1936 — Saemisch, Friedrich vs Barcza, Gedeon — 1/2-1/2 — Liberec
1940 — Wijnans, Arthur vs Euwe, Max — 0-1 — Beverwijk NED
1951 — Eigler, Ferenc vs Füster, Géza — 0-1 — Budapest HUN
1956 — Breustedt, Werner vs Franz, Joachim — 0-1 — Leipzig ch GDR
1958 — Aloni, Itzchak vs Van den Berg, Carel B — 1/2-1/2 — Haifa/Tel Aviv
6.e3 — 39.2% (443 parties)
1900 — Carrera Sterling, Jesus David vs Rosen Vivek Murugesan — 1/2-1/2 — Paris FRA
1935 — Sacconi, Antonio vs Book, Eero — 0-1 — Warsaw ol Warsaw POL
1936 — Lindner Lages, Jorge vs Fuster, Geza — 1-0 — Budapest HUN
1941 — Rabar, Braslav vs Füster, Géza — 0-1 — Trencianske Teplice SVK
1947 — O'Kelly de Galway, Alberic vs Kramer, Haije — 1/2-1/2 — Leeuwarden NED
6.Bg5 — 11.1% (125 parties)
1961 — Volpert, Larisa vs Konarkowska-Sokolov, Henrijeta — 1/2-1/2 — Vrnjacka Banja SRB
1979 — Weiss, Thomas vs Mayer, Steven F. — 0-1 — World op
1981 — Matamoros Franco, Carlos S. vs Barua, Dibyendu — 1-0 — Embalse
1985 — Wallach, Kenneth vs Acosta, Mariano — 0-1 — Chicago, IL USA
1986 — Hoellman, Ludger vs Meyer, Peter — 0-1 — Porz op
6.a5 — 4.6% (52 parties)
1955 — Raletich George vs Fuster, Geza — 1/2-1/2 — Ottawa CAN
1958 — Pomar Salamanca, Arturo vs Johannsson, Ingi R — 1/2-1/2 — Munich GER
1963 — Holmstrand, Lars vs Horberg, Bengt-Eric — 1-0 — Stockholm SWE
1963 — Abrahams, Gerald vs Clough, Fred — 1/2-1/2 — Bath ch-BCF
1967 — Vapnichnaya, Raisa vs Konshina, Olga — 1-0 — Moscow RUS