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A53h —
1.d4 Nf6 2.c4 d6 3.Nf3 Bf5
Eval: [+0.74]
Les coups candidats
4.Nc3 — 79.2% (563 parties)
Ambassadeurs : Karlik, Vladimir (9x), Moehring, Guenther (7x), Derjabin, Ilja (6x), Potapov, Alexander (5x), Petrovic, Mari (5x), Gruenfeld, Ernst (4x), Gheorghiu, Florin (4x), Reti, Richard (3x)
4.g3 — 11.0% (78 parties)
Ambassadeurs : Roethel, Michel (2x), Vizantiadis, Lazaros (2x), Nogueiras Santiago, Jesus (2x), Becker, Albert (1x), Kieninger, George (1x), Frydman, Paulino (1x), Skalicka, Karel (1x), Botvinnik, Mikhail (1x)
4.Qb3 — 7.7% (55 parties)
Ambassadeurs : Day, Lawrence A. (2x), Hermannsdoerfer, Frank (2x), Fink, Adolf Jay (1x), Borochow, Harry (1x), David, Pavel (1x), Hage, Peter (1x), Tarrasch, Siegbert (1x), Mieses, Jacques (1x)
4.e3 — 1.0% (7 parties)
Ambassadeurs : Keene, Raymond D (1x), Gheorghiu, Florin (1x), Brook, Peter (1x), Wegman, William Peter Jacob (1x), Aliaga Ortiz, Jorge Enrique (1x), Fernandez, William (1x), Brown, Nicholas (1x), Gray, William (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Nc3 4.g3 4.Qb3 4.e3
<1800 19 89% 5% 5%
1800-2200 192 80% 8% 8% 2%
2200-2600 327 77% 14% 8% 0%
2600+ 4 75% 25%
Évolution par décennie (% des parties)
Décennie N parties 4.Nc3 4.g3 4.Qb3 4.e3
1920s 24 75% 8% 17%
1930s 12 75% 17%
1940s 9 100%
1950s 6 83% 17%
1960s 20 70% 20% 10%
1970s 16 81% 12% 6%
1980s 40 75% 20% 5%
1990s 109 80% 9% 7% 2%
2000s 166 77% 10% 11%
2010s 244 82% 10% 6% 2%
2020s 65 78% 12% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Nc3 82% 78% ▼ -3.5%
4.g3 10% 12% ▲ +2.5%
4.Qb3 6% 9% ▲ +3.5%
4.e3 2% 0% ▼ -1.6%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 3 parties
Botvinnik, Mikhail — 1 partie
Lasker, Emanuel — 1 partie
Parties historiques
4.Nc3 — 79.2% (563 parties)
1922 — Gruenfeld, Ernst vs Reti, Richard — 0-1 — Bad Pistyan CZE
1922 — Gruenfeld, Ernst vs Reti, Richard — 0-1 — Bad Pistyan CZE
1923 — Aayansh Arnav Jena vs Van Zutphen, Amy — 1/2-1/2 — cr.
1923 — Fontein, George vs Colle, Edgar — 0-1 — Scheveningen NED
1923 — Gruenfeld, Ernst vs Lasker, Emanuel — 1/2-1/2 — Maehrisch Ostrau
4.g3 — 11.0% (78 parties)
1925 — Botvinnik, Mikhail vs Liutov, N — 1-0 — Russia, Match, Leningrad
1926 — Kmoch, Hans vs Matisons, Hermanis — 0-1 — Bardejov
1938 — Becker, Albert vs Kieninger, George — 1-0 — Bad Oeynhausen GER
1939 — Frydman, Paulino vs Skalicka, Karel — 1-0 — Buenos Aires ARG
1956 — Herink, Miroslav vs Pithart, Frantisek — 1-0 — Podebrady CZE
4.Qb3 — 7.7% (55 parties)
1924 — Cheron, Andre vs Muffang, Andre — 1/2-1/2 — Strasbourg FRA
1925 — Tarrasch, Siegbert vs Mieses, Jacques — 0-1 — Baden-Baden GER
1927 — Fink, Adolf Jay vs Borochow, Harry — 1/2-1/2 — California
1929 — David, Pavel vs Hage, Peter — 1-0 — cr.
1960 — Petersen, Sejr Holm vs Fred, Aatos — 1-0 — Leipzig GER
4.e3 — 1.0% (7 parties)
1978 — Keene, Raymond D vs Gheorghiu, Florin — 1/2-1/2 — Buenos Aires ARG
1992 — Aliaga Ortiz, Jorge Enrique vs Fernandez, William — 0-1 — Santa Fe
1998 — Brook, Peter vs Wegman, William Peter Jacob — 0-1 — ?
2013 — Brown, Nicholas vs Gray, William — 0-1 — San Francisco, CA USA
2017 — Galoic, Boris vs Grmovsek, Mihael — 1-0 — Krapina