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A47p —
1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2
Les coups candidats
Ambassadeurs : Chernyshov, Konstantin (5x), Schwertel, Johann (5x), Gereben, Erno (4x), Spiridonov, Nikola (4x), Velikov, Petar (4x), Aleksic, Nenad (4x), Ujtelky, Maximilian (3x), O'Kelly de Galway, Alberic (3x)
Ambassadeurs : Cafferty, Bernard (7x), Golombek, Harry (5x), Sarosy, Zoltan L (5x), Kramer, Hanspeter (4x), Szabo, Laszlo (4x), Jimenez Garcia, Emmanuel (4x), Eugenio, Sarah De Oliveira (3x), Abanin, Vladimir (3x)
4…g6 — 15.7% (551 parties)
Ambassadeurs : Dardha, Daniel (7x), Tomilova, Elena (5x), Cosma, Elena-Luminita (4x), Kjartansson, Gudmundur (4x), Czebe, Attila (4x), Hamitevici, Vladimir (4x), Shevchenko, Darya (3x), Shafigullina, Zarina (3x)
4…d5 — 2.0% (69 parties)
Ambassadeurs : Holmes, Richard Frank (1x), Lavers, Norman (1x), Freisler, Pavel (1x), Walowy, Bohumir (1x), Nelson, Robert (1x), North, Robert (1x), Miklaucic, Shawn (1x), Moyers, Gary (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…e6 4…c5 4…g6 4…d5
<1800 178 69% 10% 12% 6%
1800-2200 1561 65% 16% 14% 2%
2200-2600 1261 41% 36% 22% 0%
2600+ 24 25% 29% 46%
Évolution par décennie (% des parties)
Décennie N parties 4…e6 4…c5 4…g6 4…d5
1950s 99 38% 61% 1%
1960s 73 45% 47% 3% 1%
1970s 107 47% 50% 3%
1980s 168 57% 36% 5% 1%
1990s 510 65% 25% 6% 3%
2000s 819 68% 19% 8% 2%
2010s 1208 55% 21% 20% 2%
2020s 531 36% 25% 37% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…e6 55% 36% ▼ -18.9%
4…c5 21% 25% ▲ +3.8%
4…g6 20% 37% ▲ +16.9%
4…d5 2% 2% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 6 parties
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
4…e6 — 55.6% (1953 parties)
1950 — Gereben, Erno vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
1950 — Gibaud, Amedee vs Collet, Hugo — 0-1 — Aix en Provence
1950 — Tartakower, Savielly vs O'Kelly, Albéric de Galway — 0-1 — Amsterdam NED
1950 — Sandor, Bela vs Antal, Sebestyen — 0-1 — Budapest HUN
1950 — Enevoldsen, Harald vs Rossolimo, Nicolas — 0-1 — Dubrovnik CRO
4…c5 — 24.8% (871 parties)
1950 — Gudmundsson, Gudbjartur vs Golombek, Harry — 1/2-1/2 — Amsterdam NED
1950 — Ruppe, Otto vs Nuesken, Fritz — 1-0 — Soemmerda GER
1950 — Eugenio, Sarah De Oliveira vs Golombek, Harry — 1/2-1/2 — Venice ITA
1950 — Hunte, Hugo vs Nuesken, Fritz — 0-1 — Soemmerda GER
1950 — Magnusson, Gunnar vs Pedersen, Henry — 1-0 — Rodovre
4…g6 — 15.7% (551 parties)
1957 — Gudmundsson, Arinbjorn vs Gudmundsson, Gudbjartur — 1-0 — Reykjavik ISL
1962 — Hultgren, Neil vs Andrew Earnest P — 1-0 — ?
1966 — Benitez, Francisco Emilio vs Papapostolou, Christ. — 0-1 — Havana CUB
1977 — Drescher, Wolfgang vs Mueller, Willi — 1-0 — ?
1979 — Sosonko, Gennadi vs Timman, Jan H — 1/2-1/2 — Nijmegen NED
4…d5 — 2.0% (69 parties)
1960 — Holmes, Richard Frank vs Lavers, Norman — 1/2-1/2 — Paignton
1986 — Nelson, Robert vs North, Robert — 1-0 — Vancouver BC CAN
1988 — Freisler, Pavel vs Walowy, Bohumir — 1-0 — Karvina
1990 — Olesen, Michael Jacob vs Karlsen, Arne — 0-1 — Copenhagen DEN
1991 — Ganguly, Surya Shekhar vs Szelag, Marcin — 1-0 — Wch U10 Mamaia