B34q - 7.f3 - Accelerated Fianchetto, Modern (1952)

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B34q — Accelerated Fianchetto, Modern (1952)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.f3
Les coups candidats
7…O-O — 85.5% (5101 parties)
Ambassadeurs : Brodie, Hugh (12x), Eberth, Zoltan Bela (10x), Sergio Filho, Claudio Santos (7x), Turner, Joseph David (7x), OBrien, Erik Michael (6x), Weszelovszki, Gabor (5x), Nagorni, Walter (5x), Cafferty, Bernard (4x)
Ambassadeurs : Eretova, Kveta (1x), Roodzant, Catharina (1x), Davies, James A (1x), Browne, Walter Shawn (1x), Duarte, Candido (1x), Asfora, Eduardo Hasbum (1x), Foster, Callum (1x), Hodgson, Timothy F. (1x)
7…Qb6 — 3.4% (204 parties)
Ambassadeurs : Dmitrieva, Aleksandra (2x), Litvinov, Vladimir (2x), Baumbach, Friedrich, Dr. (2x), Borg, Geoffrey (2x), Nguyen, Quynh Anh (2x), Vojan, Istvan (2x), Cardoso, Jaidy Marcela (2x), Huebner, Robert (1x)
7…d5 — 2.3% (140 parties)
Ambassadeurs : De la Fuente Gonzalez, Cristina (2x), Arlamowski, Jerzy (1x), Marszalek, Rafal (1x), Zotos, Loukas (1x), Fournarakos, Gerasimos (1x), Velasco Valentin, Leopoldo (1x), Santos Garcia, Fernando (1x), Fischer, Johannes (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…d6 7…Qb6 7…d5
<1800 1034 84% 6% 3% 3%
1800-2200 3216 88% 4% 3% 2%
2200-2600 545 93% 3% 2% 1%
2600+ 2 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…d6 7…Qb6 7…d5
1950s 23 78% 4% 13% 4%
1960s 94 79% 12% 5% —
1970s 116 87% 5% 1% 3%
1980s 119 78% 7% 3% 2%
1990s 963 83% 7% 4% 2%
2000s 2074 85% 5% 3% 2%
2010s 2136 87% 4% 4% 3%
2020s 443 91% 4% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 87% 91% ▲ +4.2%
7…d6 4% 4% +0.4%
7…Qb6 4% 2% ▼ -1.9%
7…d5 3% 2% ▼ -1.3%
Parties historiques
7…O-O — 85.5% (5101 parties)
1952 — Sarapu, Ortvin vs Purdy, Cecil J S — 0-1 — Australia
1952 — Tarnowski, Alfred vs Koch, Berthold — 1-0 — Helsinki olm
1952 — Tarnowski, Alfred vs Gawlikowski, Stanislaw — 1-0 — Miedzyzdroje
1953 — Panov, Vasily vs Suetin, Alexey S — 1/2-1/2 — Vilnius LTU
1953 — Paoli, Enrico vs Fuderer, Andrija — 1/2-1/2 — Bled SLO
7…d6 — 5.2% (308 parties)
1957 — Eretova, Kveta vs Roodzant, Catharina — 1-0 — Emmen
1960 — Sliwa, Bogdan vs Campomanes, Florencio — 1-0 — Leipzig olm
1966 — Cifuentes, Antonio vs Pribyl, Josef — 0-1 — ARMIES-ch3 Prague CZE
1967 — Davies, James A vs Browne, Walter Shawn — 0-1 — Atlanta
1967 — Duarte, Candido vs Asfora, Eduardo Hasbum — 1-0 — ?
7…Qb6 — 3.4% (204 parties)
1958 — Huebner, Robert vs Bleul — 1-0 — Cologne GER
1959 — Dmitrieva, Aleksandra vs Yakir, Liubov — 1/2-1/2 — Moscow RUS
1959 — Dmitrieva, Aleksandra vs Yakir — 1/2-1/2 — Moscow tt
1960 — Mortz, John vs Perrillo — 1-0 — California
1965 — Aarons, Poppy J vs Kosina, Vladimir — 1-0 — Klasterec nad Orlici
7…d5 — 2.3% (140 parties)
1959 — Arlamowski, Jerzy vs Marszalek, Rafal — 1-0 — Warsaw POL
1970 — Zotos, Loukas vs Fournarakos, Gerasimos — 0-1 — Athens GRE
1970 — Tatton, FJ. vs Dempster, Dave — 1/2-1/2 — Manchester ENG
1976 — Velasco Valentin, Leopoldo vs Santos Garcia, Fernando — 1/2-1/2 — Valladolid
1981 — Fischer, Johannes vs Nagorni, Walter — 1-0 — GER