E62o - 5…O-O 6.Bg2 Nc6 7.O-O Rb8 - Fianchetto (1955)

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E62o — Fianchetto
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O Rb8
Les coups candidats
8.h3 — 29.2% (452 parties)
Ambassadeurs : Hebden, Mark L (26x), Nijboer, Friso (16x), Arkell, Keith C (9x), McShane, Luke J (7x), Liberzon, Vladimir M (5x), Afek, Yochanan (5x), De Coverly, Roger D (4x), Paoli, Enrico (3x)
8.b3 — 19.9% (308 parties)
Ambassadeurs : Hebden, Mark L (23x), McShane, Luke J (7x), Nijboer, Friso (6x), Inarkiev, Ernesto (5x), Maroroa Jones, Gawain C B (5x), Ghinda, Mihail-Viorel (4x), Ju, Wenjun (4x), Arkell, Keith C (4x)
8.d5 — 15.1% (233 parties)
Ambassadeurs : Hebden, Mark L (10x), McShane, Luke J (5x), Nijboer, Friso (4x), Burnett, Jim (4x), Paoli, Enrico (3x), Liberzon, Vladimir M (3x), Ribli, Zoltan (3x), Baburin, Alexander (3x)
8.Bf4 — 9.0% (139 parties)
Ambassadeurs : Hebden, Mark L (5x), Maroroa Jones, Gawain C B (4x), Zhao, Jun (3x), Mgeladze, Tamaz (3x), Houska, Jovanka (3x), Bivol, Alina (3x), Hnydiuk, Aleksander (3x), McShane, Luke J (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.h3 8.b3 8.d5 8.Bf4
<1800 12 25% 17% 17% 8%
1800-2200 335 27% 17% 14% 8%
2200-2600 972 30% 21% 15% 10%
2600+ 92 21% 25% 13% 14%
Évolution par décennie (% des parties)
Décennie N parties 8.h3 8.b3 8.d5 8.Bf4
1950s 26 35% 15% 19% —
1960s 26 35% 12% 35% —
1970s 47 47% 17% 23% —
1980s 67 37% 24% 22% —
1990s 204 34% 24% 14% 1%
2000s 382 29% 16% 19% 1%
2010s 714 27% 21% 12% 16%
2020s 80 18% 24% 14% 24%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.h3 27% 18% ▼ -9.3%
8.b3 21% 24% ▲ +3.2%
8.d5 12% 14% ▲ +2.1%
8.Bf4 16% 24% ▲ +8.1%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 9 parties
Ding, Liren — 3 parties
Karpov, Anatoly — 2 parties
Carlsen, Magnus — 2 parties
Euwe, Max — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
8.h3 — 29.2% (452 parties)
1955 — Stahlberg, Gideon vs Panno, Oscar — 1/2-1/2 — Goteborg SWE
1955 — Rejfir, Josef vs Dolezal, Jiri — 1/2-1/2 — Prague CZE
1956 — Bronstein, David I vs Pilnik, Herman — 1-0 — Amsterdam NED
1957 — Lemoine, Claude vs Roessel, Frits — 0-1 — Bern SUI
1958 — Malich, Burkhard, Dr. vs Bobocov, M. — 1-0 — Balatonfured
8.b3 — 19.9% (308 parties)
1955 — Wexler, Francisco vs Idigoras, Gregorio — 1-0 — Buenos Aires ARG
1956 — Evans, Larry vs Richardson, Keith B — 1-0 — Montreal CAN
1957 — Collins, John W vs Richardson, Dana — 1-0 — Cleveland, OH USA
1957 — Kolarov, Atanas S. vs Nezhmetdinov, Rashid — 1/2-1/2 — BLG-URS Sofia BUL
1963 — Busek, Hans vs Pesch, Werner — 1/2-1/2 — Bad Pyrmont GER
8.d5 — 15.1% (233 parties)
1956 — Simagin, Vladimir vs Bronstein, David I — 1/2-1/2 — Moscow RUS
1957 — Bianco Esposito, Antonio vs Panno, Oscar — 0-1 — Rio de Janeiro BRA
1957 — Van Den Berg, A vs Spanjaard, Willem — 1-0 — Amsterdam NED
1957 — Minev, Georges vs Mednis, Aleksandrs — 1/2-1/2 — Reykjavik ol stud tt
1957 — Ravn, Palle vs Lauridsen, Evald — 0-1 — Odense DEN
8.Bf4 — 9.0% (139 parties)
1991 — Urminska, N vs Ghuloum, Ali J — 1-0 — ?
1996 — Freising, Manuel vs Simon, Holger — 0-1 — Pfalz-op Landau
1999 — Stohl, Igor vs McShane, Luke J — 1-0 — GER
2000 — Komperda, Robert vs Berkley, Stephen W — 1-0 — IECC
2005 — McNab, Colin A vs Hebden, Mark L — 1/2-1/2 — Hastings ENG