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A47r —
1.d4 Nf6 2.Nf3 b6 3.e3 e6 4.Bd3 c5
Eval: [+0.18]
Les coups candidats
5.O-O — 70.2% (2357 parties)
Ambassadeurs : Jussupow, Artur (26x), Kovacevic, Vlatko (25x), Hoi, Carsten (23x), Danner, Georg (17x), Dizdar, Goran (16x), Cebalo, Miso (13x), Miezis, Normunds (11x), Hulak, Krunoslav (10x)
5.Nbd2 — 13.9% (465 parties)
Ambassadeurs : Kovacevic, Slobodan (4x), Roumegous, Marina (4x), De Santis, Alessio (3x), Zarubin, Pavel (3x), Michna, Marta (3x), Macek, Vlasta (3x), Spielmann, Rudolf (2x), Tartakower, Savielly (2x)
5.Qe2 — 4.9% (164 parties)
Ambassadeurs : Rotstein, Jefim (5x), Kruck, Daniel (3x), Flear, Christine (3x), Mueller, Lutz (3x), Steiner, Darko (2x), Puranen, Jukka (2x), Roos, Louis (2x), Ninov, Nikolai (2x)
5.b3 — 4.7% (158 parties)
Ambassadeurs : Nikoladze, Sopio (3x), Fulger, Ionut-Alexandru (3x), Popchev, Milko (2x), Hernandez Basante, Francisco (2x), Dan, Silviu-Aurelian (2x), Salve, Gaurav Gokuldas (1x), Alekhine, Alexander (1x), Stamer, Arthur B (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.O-O 5.Nbd2 5.Qe2 5.b3
<1800 54 54% 17% 7% 7%
1800-2200 1113 62% 18% 7% 6%
2200-2600 1826 79% 9% 3% 3%
2600+ 20 85% 5% 5%
Évolution par décennie (% des parties)
Décennie N parties 5.O-O 5.Nbd2 5.Qe2 5.b3
1900s 1 100%
1910s 1 100%
1920s 9 56% 44%
1930s 21 43% 33% 5%
1940s 6 50% 33% 17%
1950s 15 73% 13% 7%
1960s 7 43% 43%
1970s 10 50% 20% 20% 10%
1980s 211 77% 13% 4% 3%
1990s 619 67% 17% 6% 3%
2000s 1111 69% 14% 6% 4%
2010s 1166 73% 12% 4% 5%
2020s 179 70% 11% 3% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.O-O 73% 70% ▼ -3.7%
5.Nbd2 12% 11% ▼ -1.0%
5.Qe2 4% 3% ▼ -1.0%
5.b3 5% 12% ▲ +7.3%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 5 parties
Smyslov, Vladimir — 2 parties
Hou, Yifan — 2 parties
Euwe, Max — 1 partie
Alekhine, Alexander — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
5.O-O — 70.2% (2357 parties)
1908 — Shoosmith, Hector W vs Blackburne, Joseph — 1/2-1/2 — Tunbridge Wells
1924 — Euwe, Max vs Chepurnov, Anatoly A — 1/2-1/2 — Paris FRA
1925 — Janowsky, D. vs Spielmann, R. — 0-1 — Marienbad CZE
1926 — Colle, Edgar vs Tartakower, Savielly — 0-1 — Ghent
1927 — Colle, Edgar vs Tackels, Andre — 1-0 — Brussels BEL
5.Nbd2 — 13.9% (465 parties)
1920 — Saemisch, Friedrich vs Breyer, Guy — 1/2-1/2 — Berlin GER
1928 — Tartakower, Savielly vs Takacs, Sandor — 1/2-1/2 — Vienna AUT
1929 — Tartakower, Savielly vs Spielmann, Rudolf — 1/2-1/2 — Carlsbad CZE
1929 — Colle, Edgar vs Bogoljubow, Efim — 0-1 — Carlsbad CZE
1931 — Piazzini, Luis vs Cristia, Jose Maria — 0-1 — Argentina
5.Qe2 — 4.9% (164 parties)
1952 — Sliwa, Bogdan vs Makarczyk, Kazimierz — 1-0 — Poznan POL
1976 — Rosin, Wolfgang vs Rahls, Peter — 0-1 — Germany North
1976 — Zaitseva, Ludmila G. vs Minogina, Tamara — 1-0 — Moskou ch jr
1984 — Bulat, Ante vs Rajkovic, Dusan — 0-1 — Subotica SRB
1984 — Trifunovic, Miroljub vs Martinovic, Slobodan — 0-1 — Kragujevac SRB
5.b3 — 4.7% (158 parties)
1912 — Salve, Gaurav Gokuldas vs Alekhine, Alexander — 0-1 — Vilnius LTU
1936 — Stamer, Arthur B vs Bergman, Carl J — 1/2-1/2 — San Francisco, CA USA
1947 — Bondarevsky, Igor vs Keres, Paul — 1/2-1/2 — Leningrad ch-URS
1979 — Zvorykina, Kira Alekseyevna vs Voronova, Tatiana — 1/2-1/2 — Moscow RUS
1984 — Hartston, William R vs King, Daniel J — 1/2-1/2 — London, Great Eastern Hotel