E07m - 7.Nc3 c6 8.Qd3 - Closed, Botvinnik Variation (1936)

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E07m — Closed, Botvinnik Variation (1936)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Nc3 c6 8.Qd3
Les coups candidats
8…b6 — 78.1% (812 parties)
Ambassadeurs : Gleizerov, Evgeny (10x), Romanishin, Oleg M (7x), Neckar, Lubomir (5x), Petursson, Margeir (4x), Socko, Bartosz (4x), Gross, Georg (3x), Hjelmas, Lars (3x), Baldauf, Marco (3x)
8…Re8 — 8.4% (87 parties)
Ambassadeurs : Zheliandinov, Viktor (1x), Cifuentes, Antonio (1x), Stoltz, Gosta (1x), Andersson, Ulf G. (1x), Piasetski, Leon (1x), Pupols, Viktors (1x), Portell, Thadeu Ernesto S (1x), Da Silva, Gilberto Guimaraes (1x)
8…dxc4 — 4.3% (45 parties)
Ambassadeurs : Inkiov, Ventzislav (2x), Flear, Christine (1x), Taniskidou, Dimitra (1x), Atalik, Suat (1x), Mopati, Jobe (1x), Soldo, Josip (1x), Szemzo, Lajos (1x), Matthes, Manfred (1x)
8…a6 — 2.0% (21 parties)
Ambassadeurs : Basson, Heinrich (2x), Gregor, Jiri (1x), Kotva, Milan (1x), Macejovsky, Igor (1x), Nabelek, Marek (1x), Shchekachev, Andrei (1x), Debray, Christopher (1x), Ahlgren, Jussi (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…b6 8…Re8 8…dxc4 8…a6
<1800 41 63% 12% 12% 5%
1800-2200 391 68% 13% 7% 3%
2200-2600 515 88% 5% 2% 1%
2600+ 28 89% — 4% 4%
Évolution par décennie (% des parties)
Décennie N parties 8…b6 8…Re8 8…dxc4 8…a6
1950s 3 67% 33% — —
1960s 10 80% 10% — —
1970s 15 93% — — —
1980s 32 84% 9% 3% 3%
1990s 114 75% 14% 4% —
2000s 141 71% 7% 6% 4%
2010s 364 74% 11% 4% 3%
2020s 361 85% 4% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…b6 74% 85% ▲ +11.4%
8…Re8 11% 4% ▼ -7.1%
8…dxc4 4% 4% +0.0%
8…a6 3% 1% ▼ -2.7%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8…b6 — 78.1% (812 parties)
1954 — Kuzminykh, Evgeny vs Kan, Ilya A — 1/2-1/2 — Leningrad ch22-SU sf
1959 — Malich, Burkhard, Dr. vs Glass, Eduard — 1-0 — Marianske Lazne
1960 — Szabo, Laszlo vs Eliskases, Erich — 1/2-1/2 — Buenos Aires ARG
1960 — Heinrich, G. vs Weltmander, I. — 0-1 — corr USSR-BRD
1963 — Abanin, Vladimir vs Bobotsov, Milko G — 1-0 — Sochi RUS
8…Re8 — 8.4% (87 parties)
1951 — Stoltz, Gosta vs Andersson, Ulf G. — 1-0 — Sweden
1967 — Zheliandinov, Viktor vs Cifuentes, Antonio — 1-0 — Havana CUB
1988 — Piasetski, Leon vs Pupols, Viktors — 1/2-1/2 — Vancouver BC CAN
1988 — Portell, Thadeu Ernesto S vs Da Silva, Gilberto Guimaraes — 1/2-1/2 — ?
1989 — Andrianov, Nikolai vs Kofidis, Andreas — 1-0 — Athens GRE
8…dxc4 — 4.3% (45 parties)
1989 — Flear, Christine vs Taniskidou, Dimitra — 1/2-1/2 — Athens GRE
1995 — Matthes, Manfred vs Meyer, Heinz, Dr. — 1/2-1/2 — Bad Schandau
1997 — Kutynec, Vladimir vs Kalmar, Martin — 1-0 — Ostrava CZE
1998 — Atalik, Suat vs Mopati, Jobe — 1-0 — Elista RUS
1998 — Soldo, Josip vs Szemzo, Lajos — 1-0 — Harkany
8…a6 — 2.0% (21 parties)
1986 — Gregor, Jiri vs Kotva, Milan — 1-0 — Karvina
2002 — Macejovsky, Igor vs Nabelek, Marek — 0-1 — Ostrava CZE
2007 — Bauer, Christian vs Timofeev, Artyom — 0-1 — Calvia
2008 — Kalinin, Oleg vs Szusterowski, Radoslaw — 1-0 — Chorzow
2009 — Shchekachev, Andrei vs Debray, Christopher — 1-0 — Paris FRA