E07b - 7.b3 - Closed (1933)

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E07b — Closed (1933)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.b3
Les coups candidats
Ambassadeurs : Sliwa, Bogdan (3x), Forintos, Gyozo V (2x), Pogats, Jozsef Jr. (2x), Ujtelky, Maximilián Samuel Rudolf (2x), Raicevic, Vladimir (2x), Kunsztowicz, Uwe (2x), Bradbury, Neil H (2x), Davies, Nigel R (2x)
7…b6 — 33.6% (285 parties)
Ambassadeurs : Bisguier, Arthur B (5x), Prameshuber, Alexander (2x), Pachman, Ludek (2x), Shevts (2x), Perkins, Alan H (1x), Clarke, Peter (1x), Ahman, Ernst (1x), Donner, Jan-Hein (1x)
7…Ne4 — 11.1% (94 parties)
Ambassadeurs : Lilloni Luciano (1x), Ferrantes, Giovanni (1x), Gimm, Volker (1x), Detter, Hans-Peter (1x), Hladik Joseph (1x), Havliek Libor (1x), Savon, Vladimir (1x), Pinterne, Kovacs Marta (1x)
7…c5 — 8.8% (75 parties)
Ambassadeurs : Lendl, Jiri (1x), Novak, Ervin (1x), Dannevig, Oystein (1x), Lauvsnes, Arild (1x), Kirov, Nino (1x), Borisov, Venjamin (1x), Amigo Roman, Pedro (1x), Prieto Hernandez, Jesus (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…c6 7…b6 7…Ne4 7…c5
<1800 54 24% 43% 6% 15%
1800-2200 391 31% 33% 14% 10%
2200-2600 253 45% 32% 9% 5%
2600+ 7 — — — —
Évolution par décennie (% des parties)
Décennie N parties 7…c6 7…b6 7…Ne4 7…c5
1950s 17 35% 35% 6% —
1960s 24 46% 42% — 4%
1970s 47 30% 51% 4% 11%
1980s 51 41% 33% 6% 10%
1990s 174 41% 33% 14% 6%
2000s 203 35% 32% 12% 10%
2010s 257 32% 31% 14% 11%
2020s 76 29% 36% 4% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…c6 32% 29% ▼ -2.6%
7…b6 31% 36% ▲ +4.8%
7…Ne4 14% 4% ▼ -10.1%
7…c5 11% 5% ▼ -6.0%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
7…c6 — 35.1% (298 parties)
1951 — Fuderer, Andrija vs Germek, Milan — 1/2-1/2 — Sarajevo BIH
1952 — Sowinski, Jerzy vs Sliwa, Bogdan — 0-1 — Katowice POL
1953 — Szilagyi, Gyorgy Laszlo vs Berger, Bela — 1/2-1/2 — Budapest ch-HUN
1956 — Uhlmann, Wolfgang vs Sliwa, Bogdan — 1/2-1/2 — Moscow RUS
1958 — Anay Barche vs Sandor, Bela — 1/2-1/2 — Budapest HUN
7…b6 — 33.6% (285 parties)
1954 — Benko, Francisco vs Sanguinetti, Jorge Pablo — 0-1 — Mar del Plata ARG
1955 — Moller, Per vs Ravn, Palle — 0-1 — Aalborg DEN
1956 — Rantanen, Matti vs Stenberg, O. — 1/2-1/2 — Moskou olm
1957 — Mednis, Edmar J vs Drimer, Dolfi — 1/2-1/2 — Reykjavik ISL
1957 — Tavares, Leandro Mereles vs Engels, Ludwig — 1/2-1/2 — Rio de Janeiro zt
7…Ne4 — 11.1% (94 parties)
1952 — Lilloni Luciano vs Ferrantes, Giovanni — 1-0 — Ferrara ITA
1970 — Savon, Vladimir vs Pinterne, Kovacs Marta — 1-0 — Debrecen HUN
1970 — Gufeld, Eduard vs Kovacs, Laszlo — 1/2-1/2 — ?
1987 — Hladik Joseph vs Havliek Libor — 1/2-1/2 — ?
1988 — Cranston, G. Timothy vs Sheynin, S. — 1/2-1/2 — Nassau ch
7…c5 — 8.8% (75 parties)
1964 — Lendl, Jiri vs Novak, Ervin — 1/2-1/2 — Brno CZE
1972 — Denes, Jozsef vs Willy, Otto — 1/2-1/2 — Pula CRO
1976 — Callejas Aguilera, Marco Aurelio vs Garcia , Marcella — 1-0 — ?
1977 — Kirov, Nino vs Borisov, Venjamin — 1-0 — Balashiha
1978 — Krisztian, Gabor vs Dodson Peter Brian — 1/2-1/2 — ?