A26c - 6.e4 - King's English Variation, Botvinnik System (1961)

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A26c — King's English Variation, Botvinnik System (1961)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4
Les coups candidats
Ambassadeurs : Miezis, Normunds (16x), Jansa, Vlastimil (4x), Timman, Jan H (3x), Psakhis, Lev (3x), Schmidt, Wlodzimierz (3x), Uhlmann, Wolfgang (3x), Filip, Miroslav (2x), Haygarth, Michael J (2x)
6…f5 — 19.3% (404 parties)
Ambassadeurs : Miezis, Normunds (10x), Ribli, Zoltan (4x), Gullaksen, Eirik (4x), Smejkal, Jan (3x), Egeli, Per Ove (3x), Schneider, Bernd (3x), Cebalo, Miso (3x), Jussupow, Artur (3x)
6…Be6 — 16.9% (354 parties)
Ambassadeurs : Miezis, Normunds (4x), McNab, Colin A (4x), Boucek, Vlastimil (4x), Nikolaevsky, Yuri V (3x), Portisch, Lajos (2x), Bednarski, Jacek (2x), Gheorghiu, Florin (2x), Kroll, Ove (2x)
6…Nd4 — 8.5% (177 parties)
Ambassadeurs : Hort, Vlastimil (3x), Mokry, Karel (3x), Khalifman, Alexander (3x), Kraschl, Joerg (2x), Braga, Cicero Nogueira (2x), Soares, Cesar (2x), Mchedlishvili, Mikheil (2x), Benko, Pal (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nge7 6…f5 6…Be6 6…Nd4
<1800 96 44% 22% 21% 4%
1800-2200 841 43% 18% 17% 6%
2200-2600 928 34% 20% 17% 11%
2600+ 35 20% 31% 17% 20%
Évolution par décennie (% des parties)
Décennie N parties 6…Nge7 6…f5 6…Be6 6…Nd4
1960s 30 43% 13% 20% 13%
1970s 54 50% 9% 24% 6%
1980s 83 48% 13% 13% 17%
1990s 440 43% 16% 15% 8%
2000s 583 38% 20% 17% 7%
2010s 739 36% 23% 18% 9%
2020s 161 34% 17% 18% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nge7 36% 34% ▼ -2.9%
6…f5 23% 17% ▼ -5.2%
6…Be6 18% 18% +0.4%
6…Nd4 9% 11% ▲ +2.5%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 5 parties
Karpov, Anatoly — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
6…Nge7 — 39.1% (817 parties)
1963 — Ignatiev, Felix N vs Zaitsev, Alexander — 1/2-1/2 — Moscow RUS
1965 — Piskov, Kamen Penev vs Bohosjan, Sarkis — 1/2-1/2 — Varna BUL
1965 — Cornwell, John David vs Blackstone, John — 0-1 — San Francisco, Ca
1967 — Glybchenko, V vs Trosman, Musiy — 1/2-1/2 — ?
1967 — Machado, Borges Joao vs Fonrobert, Gert Wolfgang — 0-1 — ?
6…f5 — 19.3% (404 parties)
1961 — Bobotsov, Milko G vs Vasiukov, Evgeni — 0-1 — Belgrade SRB
1964 — Abramovich Furman, Semyon vs Korchnoi, Viktor — 0-1 — Leningrad RUS
1967 — Liberzon, Vladimir M vs Smyslov, Vladimir — 1/2-1/2 — USSR
1969 — Book, Eero vs Liberzon, Vladimir M — 1/2-1/2 — Tallinn EST
1971 — Bak, Istvan vs Honfi, Karoly — 1-0 — Budapest HUN
6…Be6 — 16.9% (354 parties)
1961 — Partos, Charles vs Gheorghiu, Florin — 0-1 — Romania
1962 — Filip, Miroslav vs Portisch, Lajos — 1/2-1/2 — Stockholm izt
1966 — Ignatiev, Felix N vs Buslaev, Aleksander — 1-0 — Krasnodar RUS
1967 — Panov, Vladimir vs Bukic, Enver — 1/2-1/2 — Skopje MKD
1968 — Zoltek, Tadeusz vs Bernard, Ryszard — 0-1 — Lodz POL
6…Nd4 — 8.5% (177 parties)
1966 — Masic, Ljubomir vs Blatny, Frantisek — 1-0 — Sombor
1967 — Benko, Pal vs Szabo, Laszlo — 1/2-1/2 — Winnipeg CAN
1968 — Ignatiev, Felix N vs Honfi, Karoly — 1-0 — Kislovodsk
1969 — Pokrovsky, N. vs Sarubin, J. — 0-1 — corr ch8-SU
1970 — Smejkal, Jan vs Osnos, Viatcheslav — 1-0 — Leningrad RUS