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A47f —
1.d4 Nf6 2.Nf3 b6 3.e3 e6
Eval: [-0.13]
Les coups candidats
Ambassadeurs : Danner, Georg (92x), Jussupow, Artur (52x), Hebden, Mark L (39x), Danielian, Elina (36x), Kosic, Dragan (34x), Sambuev, Bator (33x), Kekki, Petri (32x), Malaniuk, Vladimir P (31x)
4.Nbd2 — 6.3% (846 parties)
Ambassadeurs : Bogdanovich, Grigory (17x), Franklin, Michael J (10x), Limberg, Siegfried (9x), Catania, Duane (7x), Giel, Olaf (6x), Colle, Edgar (5x), Koltanowski, George (5x), Stephan, Juergen Prof Dr (4x)
Ambassadeurs : Weise, William Ferreira (5x), Malaniuk, Vladimir P (3x), Sax, Gyula (3x), Kurajica, Bojan (3x), Dizdar, Goran (3x), Kosteniuk, Alexandra (3x), Mogstad, Ola P (3x), Bourgoin, Claude (3x)
4.Be2 — 3.0% (411 parties)
Ambassadeurs : Kekki, Jorma (6x), Krainski, Aleksander (5x), Negulescu, Adrian (4x), Karakehajov, Kalin (4x), Slabek, Grzegorz (4x), Osipow, Nikolaj (4x), Galoic, Boris (4x), Bolz, Reiner (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Bd3 4.Nbd2 4.c4 4.Be2
<1800 467 71% 7% 8% 4%
1800-2200 5061 81% 7% 5% 4%
2200-2600 5926 89% 4% 3% 2%
2600+ 107 93% 2% 3%
Évolution par décennie (% des parties)
Décennie N parties 4.Bd3 4.Nbd2 4.c4 4.Be2
1880s 6 33% 17%
1890s 4 75%
1910s 1 100%
1920s 59 85% 10%
1930s 121 88% 11% 1%
1940s 63 83% 11% 3%
1950s 90 89% 7% 3%
1960s 63 76% 10% 10% 3%
1970s 88 75% 12% 7% 2%
1980s 479 82% 7% 3% 4%
1990s 1805 82% 10% 2% 3%
2000s 4354 83% 7% 4% 3%
2010s 5372 85% 4% 4% 3%
2020s 971 83% 4% 5% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Bd3 85% 83% ▼ -2.5%
4.Nbd2 4% 4% -0.1%
4.c4 4% 5% +0.2%
4.Be2 3% 4% ▲ +0.8%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 10 parties
Karpov, Anatoly — 6 parties
Kramnik, Vladimir — 4 parties
Ju, Wenjun — 4 parties
Karpov, Aleksandr — 3 parties
Alekhine, Alexander — 2 parties
Steinitz, Wilhelm — 1 partie
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
4.Bd3 — 83.6% (11260 parties)
1914 — Alega, Joshua Emmanuel vs Alekhine, Alexander — 0-1 — Paris FRA
1920 — Maroczy, Geza vs Saemisch, Friedrich — 1/2-1/2 — Berlin GER
1920 — Wenman, Francis Percival vs Thomas, George Alan — 0-1 — Edinburgh, McEwan Hall
1920 — Maroczy, Geza vs Saemisch, Friedrich — 1/2-1/2 — Berlin GER
1921 — Vajda, Arpad vs Steiner, Endre — 1/2-1/2 — Budapest HUN
4.Nbd2 — 6.3% (846 parties)
1922 — Guillen Watson, Cesar Augusto vs Alekhine, Alexander — 0-1 — London ENG
1927 — Tackels, Andre vs Colle, Edgar — 1/2-1/2 — Brussels BEL
1929 — Rubinstein, Akiba vs Colle, Edgar — 1/2-1/2 — Carlsbad CZE
1929 — Enevoldsen, Harald vs Skifter, Eberhard — 0-1 — Copenhagen DEN
1929 — Rubinstein, Akiba vs Gruenfeld, Ernst — 1-0 — Carlsbad CZE
4.c4 — 3.9% (523 parties)
1883 — Cook, William vs Kay Leather R — 1/2-1/2 — Birmingham ENG
1885 — Mason, James vs Taubenhaus, Jean — 1-0 — Hamburg GER
1890 — Schroeter, Maik vs Goering, H. — 1-0 — Regensburg
1890 — Muller, Oscar Conrad vs Gunsberg, Isidor — 0-1 — Manchester ENG
1891 — Steinitz, Wilhelm vs Gunsberg, Isidor — 1/2-1/2 — New York, NY USA
4.Be2 — 3.0% (411 parties)
1883 — Zukertort, Johannes vs Noa, Joseph — 1-0 — London ENG
1965 — Vrchotka, Josef vs Donnert, Milan — 1/2-1/2 — Vrbno pod Pradedem
1967 — Lerche, Hans vs Sorensen, Jens Kristian — 1/2-1/2 — ?
1970 — Abalde Perez, Fernando Jose vs Villarroel, Geber — 0-1 — Havana CUB
1979 — Pedersen, Hans Buus vs Isaksen, Brian — 1/2-1/2 — Esbjerg DEN