E62a — Fianchetto Variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3
Les coups candidats
5…O-O — 89.9% (5721 parties)
Ambassadeurs : Arkell, Keith C (16x), Wall, Bill (13x), Farago, Sandor (11x), Kashlinskaya, Alina (11x), Liebert, Heinz (11x), ? (10x), Portisch, Lajos (8x), Vijayalakshmi, Subbaraman (8x)
5…Nbd7 — 3.9% (249 parties)
Ambassadeurs : Stahlberg, Gideon (2x), Szabo, Laszlo (2x), Juarez Flores, Roberto Alfonso (2x), Roskova, Katerina (2x), Dewing, Leslie Charles Gwyn (1x), Terrill, Francis Herbert (1x), Botvinnik, Mikhail (1x), Lilienthal, Andor (1x)
5…c6 — 3.2% (203 parties)
Ambassadeurs : Dobrotka, Martin (3x), Vlatkovic, Sinisa (2x), Joksimovic, Dragoljub (2x), Mihevc, Ivo (2x), Matejov, Anton (2x), Plischki, Sebastian (2x), Soltau, Achim (1x), Werner, Clemens (1x)
5…Bf5 — 0.9% (58 parties)
Ambassadeurs : Ristoja, Aulikki (2x), Horvath, Peter (2x), Ben Ammar, Mohamed (2x), Dr. Teddy Andrew Mulenga (1x), Seto, Wai Ling (1x), Eingorn, Vereslav S (1x), Rohde, Michael (1x), Gyurkovics, Miklos (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…Nbd7 5…c6 5…Bf5
<1800 222 80% 11% 4% 0%
1800-2200 2352 89% 5% 4% 1%
2200-2600 2234 94% 1% 2% 2%
2600+ 48 88% 2% 6% 2%
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…Nbd7 5…c6 5…Bf5
1810s 1 100%
1910s 2 100%
1920s 8 50% 38%
1930s 16 56% 44%
1940s 33 70% 24%
1950s 93 95% 2%
1960s 89 94% 6%
1970s 184 94% 3% 3%
1980s 316 94% 2% 2% 1%
1990s 1370 91% 4% 3% 0%
2000s 1816 89% 4% 4% 0%
2010s 2046 89% 4% 3% 1%
2020s 387 88% 3% 3% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 89% 88% ▼ -1.6%
5…Nbd7 4% 3% ▼ -0.9%
5…c6 3% 3% -0.4%
5…Bf5 1% 5% ▲ +3.4%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 4 parties
Tal, Mikhail — 3 parties
Smyslov, Vladimir — 3 parties
Kasparov, Garry — 3 parties
Karpov, Aleksandr — 2 parties
Carlsen, Magnus — 2 parties
Alekhine, Alexander — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5…O-O — 89.9% (5721 parties)
1811 — Romanishin, Oleg M vs Grunberg, H.U. — 1-0 — Dresden GER
1917 — Vidmar, Milan Sr vs Tartakower, Savielly — 1-0 — Vienna Vienna AUT
1919 — Rubinstein, Akiba vs Reti, Richard — 1/2-1/2 — Stockholm SWE
1923 — Alekhine, Alexander vs Hutcheson-Stirling M — 1/2-1/2 — sim Portsmouth
1926 — Gruenfeld, Ernst vs Yates, Frederic D — 1-0 — Semmering AUT
5…Nbd7 — 3.9% (249 parties)
1924 — Colle, Edgar vs Betins, Karlis — 1-0 — Paris FRA
1927 — Ruben, Carl vs Te Kolste, Jan Willem — 0-1 — London ENG
1929 — Levin Astorga, Nicolas Daniel vs Pavlov Handique — 0-1 — Moscow RUS
1932 — Buerger, Victor vs Landau, Salo — 1-0 — St Johns Wood
1934 — Shernetsky, Issidor vs Koltanowski, George — 0-1 — Antwerp BEL
5…c6 — 3.2% (203 parties)
1970 — Soltau, Achim vs Werner, Clemens — 1/2-1/2 — FRG/C-A jb corr
1970 — Jankovec, Ivan vs Vykydal, Frantisek — 1-0 — Harrachov
1972 — Szekely, Peter vs Weemaes, Ronald — 1/2-1/2 — Schilde
1974 — Jablonicky, Frantisek vs Hanko, Pavel — 1-0 — Hrazany
1979 — Goonetilleke, L Chandana vs Jhunjhnuwala, Suresh — 1-0 — Singapore SIN
5…Bf5 — 0.9% (58 parties)
1982 — Dr. Teddy Andrew Mulenga vs Ristoja, Aulikki — 0-1 — Lucerne SUI
1988 — Seto, Wai Ling vs Ristoja, Aulikki — 0-1 — Thessaloniki GRE
1988 — Eingorn, Vereslav S vs Rohde, Michael — 1/2-1/2 — St John
1990 — Jasnikowski, Zbigniew vs Bielczyk, Jacek — 1/2-1/2 — Bydgoszcz POL
1991 — Henriksen, Frank vs Evensen, Roy — 0-1 — Troms