A49a — Fianchetto System
1.d4 Nf6 2.Nf3 g6 3.g3
Eval: [+0.13]
Les coups candidats
Ambassadeurs : Romanishin, Oleg M (198x), Kurajica, Bojan (185x), Nikolic, Predrag (99x), Eckhardt, Claudia (68x), Konopka, Michal (62x), Pert, Nicholas (58x), Bates, Richard A (55x), Dreev, Aleksey (52x)
Ambassadeurs : Ftacnik, Lubomir (14x), Kozul, Zdenko (13x), Kovchan, Alexander (13x), Nikolic, Predrag (11x), Kurajica, Bojan (11x), Svidler, Peter (10x), Romanishin, Oleg M (8x), Kempinski, Robert (7x)
3…c5 — 1.8% (640 parties)
Ambassadeurs : Vaganian, Rafael A (7x), Cacco, Christian (5x), Horvath, Csaba (5x), Cebalo, Miso (4x), Lalic, Bogdan (4x), Chatalbashev, Boris (4x), Dreev, Aleksey (4x), Smyslov, Vladimir (3x)
3…b6 — 1.0% (350 parties)
Ambassadeurs : Euwe, Max (5x), Prins, Laura (3x), Gong, Qianyun (3x), Guimard, Carlos E (2x), Hidari, Walid (2x), Jazdanovs, Aleksandrs (2x), Kurajica, Bojan (2x), Cardona, Jeyson (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Bg7 3…d5 3…c5 3…b6
<1800 920 93% 3% 1% 2%
1800-2200 12997 94% 3% 1% 1%
2200-2600 16120 93% 3% 2% 1%
2600+ 571 86% 8% 4% 2%
Évolution par décennie (% des parties)
Décennie N parties 3…Bg7 3…d5 3…c5 3…b6
1870s 1 100%
1920s 31 81% 6% 13%
1930s 74 86% 4% 5%
1940s 93 87% 3% 10%
1950s 418 97% 1% 0% 2%
1960s 509 94% 2% 2% 1%
1970s 602 94% 2% 3% 0%
1980s 1409 94% 3% 2% 0%
1990s 7094 95% 3% 2% 0%
2000s 9337 94% 3% 1% 1%
2010s 13086 93% 3% 2% 1%
2020s 3321 93% 3% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Bg7 93% 93% -0.1%
3…d5 3% 3% +0.2%
3…c5 2% 2% -0.4%
3…b6 1% 2% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 10 parties
Smyslov, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 10 parties
Karpov, Aleksandr — 8 parties
Carlsen, Magnus — 8 parties
Anand, Viswanathan — 7 parties
Tal, Mikhail — 6 parties
Ding, Liren — 6 parties
Gukesh D — 4 parties
Alekhine, Alexander — 1 partie
Steinitz, Wilhelm — 1 partie
Parties historiques
3…Bg7 — 93.5% (33631 parties)
1871 — Jankovec, Ivan vs Liebert, Heinz — 1-0 — Havirov CZE
1921 — Kostic, Boris vs Steiner, Andreas — 1-0 — Queen's Indian Defen
1922 — Przepiorka, Dawid vs Gruenfeld, Ernst — 1/2-1/2 — Bad Pistyan CZE
1922 — Norman, George vs Conde, Adrian G — 1-0 — Hastings ENG
1922 — Wahltuch, Victor vs Maroczy, Geza — 1/2-1/2 — London ENG
3…d5 — 3.0% (1089 parties)
1923 — Znosko-Borovsky, Eugene vs Euwe, Max — 0-1 — Scheveningen NED
1924 — Selezniev, Alexey vs Patay B — 1-0 — Meran ITA
1931 — Goglidze, Viktor vs Yudovich, Mikhail M — 0-1 — Moskou ch-URS
1931 — Baratz, Abraham vs Thomas, George Alan — 1/2-1/2 — Nice FRA
1938 — Hoenlinger, Baldur vs Kouzmine, Karawaeff — 1-0 — Paris FRA
3…c5 — 1.8% (640 parties)
1956 — Rojahn, Ernst vs Ljungquist, Lennart — 1-0 — Moskou olm
1957 — Fuchs, Reinhart vs Breustedt, Werner — 1-0 — Gotha GER
1961 — Pirc, Vasja vs Robatsch, Karl — 1/2-1/2 — Graz AUT
1962 — Saltzberg, Mitchell vs Benko, Pal — 0-1 — San Antonio, TX USA
1963 — Kramer, George vs Kuijpers, Frans — 1/2-1/2 — Beverwijk NED
3…b6 — 1.0% (350 parties)
1926 — Schelfhout, Tijl vs Euwe, Max — 0-1 — Utrecht NED
1927 — Davidson Gallego, Jorge vs Euwe, Max — 1/2-1/2 — Utrecht NED
1927 — Rosselli del Turco, Stefano vs Euwe, Max — 1/2-1/2 — London ENG
1928 — Fallet Kahn, Victor vs Champion, Georges William — 1-0 — Paris FRA
1931 — Fernandez Coria, Valentin vs De Witt, Rodolfo — 0-1 — Argentina