D24k - 5.e4 - Queen's Gambit Accepted: Bogoljubow Defense (1958)

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D24k — Bogoljubow Defense (1958)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 a6 5.e4
Les coups candidats
5…b5 — 95.8% (1448 parties)
Ambassadeurs : Miles, Anthony J (12x), Ibragimov, Ildar (12x), Yakovich, Yuri (11x), Heinbuch, Detlef Ulrich (8x), Sosonko, Gennadi (7x), Sulava, Nenad (7x), Schulz, Klaus-Juergen (7x), Krasenkow, Michal (7x)
5…e6 — 2.6% (39 parties)
Ambassadeurs : Curdo, John (2x), Kaufman, Lawrence (1x), Liptay, Laszlo Dr. (1x), Szekely, Mihaly (1x), Knaak, Rainer (1x), Petkov, Petko (WLS) (1x), Howell, James C (1x), Milnes, Anthony C P (1x)
5…Bg4 — 1.0% (15 parties)
Ambassadeurs : Bischoff, Klaus (2x), Knaak, Rainer (1x), Vrabec, Milos (1x), Ftacnik, Lubomir (1x), Cording, Harm (1x), Spanier , Mateo (1x), Schroeder, Marc J P G (1x), Shvidler, Eliahu (1x)
5…c5 — 0.4% (6 parties)
Ambassadeurs : Dudeney, Keith (2x), Gagarin, Vasilij (1x), Kozlov, Vladimir N (1x), Krueger, Erich (1x), Schober, Manfred (1x), Rek, Krzysztof (1x), Fojudzki, Marcin (1x), Huang, Qian (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…b5 5…e6 5…Bg4 5…c5
<1800 42 93% 7% — —
1800-2200 363 93% 5% 2% 1%
2200-2600 835 97% 2% 1% 0%
2600+ 43 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 5…b5 5…e6 5…Bg4 5…c5
1950s 4 100% — — —
1960s 64 97% 3% — —
1970s 48 92% 4% 4% —
1980s 187 97% 2% 1% —
1990s 335 95% 3% 1% 0%
2000s 456 96% 2% 1% 1%
2010s 298 96% 3% 0% 1%
2020s 119 93% 4% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…b5 96% 93% ▼ -2.7%
5…e6 3% 4% ▲ +1.2%
5…Bg4 0% 1% ▲ +0.5%
5…c5 1% 0% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 4 parties
Kasparov, Garry — 1 partie
Parties historiques
5…b5 — 95.8% (1448 parties)
1952 — Bronstein, David I vs Byrne, Robert E — 0-1 — Helsinki olm
1954 — Miguel, Nahuel vs De Souza Mendes, Joao — 1-0 — Mar del Plata/Buenos Aires
1958 — Evans, Larry vs Weinstein, Raymond — 1-0 — New York ch-USA
1959 — Nurmamedov, Mammed vs Soloviov, Mikhail — 1/2-1/2 — Leningrad RUS
1961 — Hottes, Dieter vs Bialas, Wolfram — 1-0 — FRG-ch Bad Prymont
5…e6 — 2.6% (39 parties)
1964 — Liptay, Laszlo Dr. vs Szekely, Mihaly — 0-1 — Budapest HUN
1965 — Kaufman, Lawrence vs Curdo, John — 0-1 — Boston, MA USA
1970 — Knaak, Rainer vs Petkov, Petko (WLS) — 0-1 — Warsaw POL
1972 — Ader Hausman, Walter vs Pilnik, Herman — 1/2-1/2 — La Serena
1981 — Torre, Eugenio vs Aaron, Manuel — 1-0 — Hangzhou
5…Bg4 — 1.0% (15 parties)
1973 — Knaak, Rainer vs Vrabec, Milos — 1-0 — Leipzig GER
1979 — Cording, Harm vs Spanier , Mateo — 1-0 — GER
1987 — Ftacnik, Lubomir vs Bischoff, Klaus — 1/2-1/2 — Baden-Baden GER
1987 — Schroeder, Marc J P G vs Shvidler, Eliahu — 0-1 — Luxembourg
1996 — Konicek, Petr vs Schober, Manfred — 0-1 — Prague CZE
5…c5 — 0.4% (6 parties)
1995 — Gagarin, Vasilij vs Kozlov, Vladimir N — 0-1 — Moscow op ch
2000 — Rek, Krzysztof vs Fojudzki, Marcin — 1/2-1/2 — Biala Podlaska
2003 — Krueger, Erich vs Schober, Manfred — 1-0 — Bad Zwischenahn(17.11.-29.11)
2008 — Huang, Qian vs Ozturk Orenli, Kubra — 0-1 — Beijing CHN
2012 — Kireev, Vladimir Vasilyevich vs Dudeney, Keith — 1-0 — ICCF