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A04c — Queenside Fianchetto Variation (1927)
1.Nf3 b6
Les coups candidats
2.g3 — 51.0% (2464 parties)
Ambassadeurs : Bauer, Christian (15x), Kengis, Edvins (13x), Blatny, Pavel (10x), Speelman, Jon S (9x), Wunder, Horst (8x), Gurgenidze, Bukhuti (7x), Andersson, Ulf (7x), Gutman, Lev (7x)
2.e4 — 19.1% (925 parties)
Ambassadeurs : Gurgenidze, Bukhuti (8x), Scherer, Max (8x), Speelman, Jon S (5x), Czebe, Attila (5x), Shchekachev, Andrei (5x), Keene, Raymond D (3x), Kengis, Edvins (3x), Kick, Joachim (3x)
2.d4 — 13.4% (649 parties)
Ambassadeurs : Hamitevici, Vladimir (3x), Corbeill, Joe (2x), Ciezki, Dale (2x), Petrosian, Arshak B (2x), Gurgenidze, Bukhuti (2x), Gomez Segura, Adalberto (2x), Jerez Perez, Alfonso (2x), Schmitzer, Horst (2x)
Ambassadeurs : Vul, Arkadi Eremeevich (4x), Kristiansen, Jens (2x), Ammann, Philipp (2x), Andersson, Ulf (2x), Cuartas, Jaime Alexander (2x), Eliskases, Erich (2x), Kuenitz, Klaus (2x), Kengis, Edvins (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.g3 2.e4 2.d4 2.c4
<1800 409 49% 15% 17% 10%
1800-2200 2064 52% 17% 14% 11%
2200-2600 1663 53% 22% 11% 12%
2600+ 64 48% 30% 8% 9%
Évolution par décennie (% des parties)
Décennie N parties 2.g3 2.e4 2.d4 2.c4
1950s 6 33% 67% — —
1960s 12 50% 33% 8% 8%
1970s 124 56% 22% 7% 11%
1980s 188 50% 20% 15% 10%
1990s 667 55% 16% 15% 10%
2000s 1374 50% 18% 14% 12%
2010s 1918 51% 20% 14% 11%
2020s 545 50% 22% 9% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.g3 51% 50% ▼ -0.7%
2.e4 20% 22% ▲ +2.4%
2.d4 14% 9% ▼ -4.5%
2.c4 11% 11% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 5 parties
Hou, Yifan — 2 parties
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
2.g3 — 51.0% (2464 parties)
1957 — Salov, Sergej vs Vasiljev, Aleksandr — 1-0 — ?
1959 — Collins, Richard vs Levy, David N L — 0-1 — London ENG
1963 — Koshnitsky, Gregory vs Kellner, John Vincent — 1-0 — Perth AUS
1963 — Flesch, Janos vs Barczay, Laszlo — 1-0 — Miskolc
1966 — Varnusz, Egon vs Csom, Istvan — 1-0 — HUN
2.e4 — 19.1% (925 parties)
1952 — Ozols, Karlis vs Lazare, Stefan — 1-0 — Melbourne AUS
1952 — Ozols, Karlis vs Lazare, S. — 1-0 — Melbourne AUS
1957 — Magnusson, Bjarni vs Gilfer, Eggert — 0-1 — Reykjavik ISL
1959 — Kanko, Ilkka vs Tumurbator, Purev — 1-0 — Budapest HUN
1962 — Gawlikowski, Stanislaw vs Fabian, Henryk — 1-0 — Poznan ch POL
2.d4 — 13.4% (649 parties)
1964 — Murphy Timothy vs Quirate, Phillip — 1-0 — Oakland
1970 — Nobrega, Adaucto Wanderley vs White, Abraham — 1-0 — Siegen GER
1973 — Szmetan, Jorge vs Bazan, Osvaldo — 1-0 — Santa Fe
1977 — Sellos, Didier vs Haik, Aldo — 0-1 — ?
1977 — Lehmann, Heinz vs Keene, Raymond D — 0-1 — Copenhagen DEN
2.c4 — 11.0% (532 parties)
1960 — Hoxha, Abdyl vs Aloni, Itzchak — 0-1 — ?
1970 — Toran Albero, Roman vs Bellon Lopez, Juan Manuel — 1/2-1/2 — Malaga ESP
1971 — Donnelly, Mike J Dr vs Hutchinson, Paul A — 1/2-1/2 — Blackpool ENG
1973 — Agur, Elieser vs Gross, Ernst — 1/2-1/2 — Netanya ISR
1975 — Langeweg, Kick vs Keller, Dieter — 1/2-1/2 — Zurich SUI