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E90u —
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.h3 c5 7.d5
Les coups candidats
Ambassadeurs : Gheorghiu, Florin (22x), Velimirovic, Dragoljub (19x), Velickovic, Sasa (17x), Damljanovic, Branko (17x), Gdanski, Jacek (12x), Evdokimov, Alexander A. (11x), Munoz, Miguel (10x), Madl, Ildiko (9x)
7…a6 — 10.5% (587 parties)
Ambassadeurs : Minasian, Artashes (8x), Gheorghiu, Florin (6x), Mantovani Barbosa, Rafael (5x), Ezat, Mohamed (4x), Benko, Pal (3x), Levi, Eddy L (3x), Hladecek, Miloslav (3x), Damljanovic, Branko (3x)
7…Na6 — 9.9% (555 parties)
Ambassadeurs : Kaposztas, Miklos (9x), Quinteros, Miguel A. (7x), Noritsyn, Nikolay (7x), Velickovic, Sasa (6x), Franco Ocampos, Zenon (5x), Raeva, Elitsa (4x), Jimenez Molina, Juan Leon (3x), Hegeler, Frank (3x)
7…b5 — 8.8% (491 parties)
Ambassadeurs : Suetin, Alexey S (4x), Gross, Stefan (4x), Milchev, Nikolay (4x), Grivas, Efstratios (3x), Sznapik, Aleksander (3x), Osieka, Udo (3x), Cvetkovic, Srdjan (3x), Bohati, Tamas (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…e6 7…a6 7…Na6 7…b5
<1800 116 49% 9% 10% 3%
1800-2200 1552 49% 13% 12% 10%
2200-2600 3206 67% 9% 8% 9%
2600+ 93 80% 11% 3% 2%
Évolution par décennie (% des parties)
Décennie N parties 7…e6 7…a6 7…Na6 7…b5
1920s 4 50%
1930s 3 67%
1940s 3 67% 33%
1950s 8 50% 25% 12%
1960s 13 23% 46%
1970s 84 63% 10% 5% 10%
1980s 323 59% 16% 8% 9%
1990s 1114 62% 9% 11% 10%
2000s 1408 57% 10% 12% 9%
2010s 2088 56% 12% 9% 9%
2020s 533 77% 6% 6% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…e6 56% 77% ▲ +20.9%
7…a6 12% 6% ▼ -5.6%
7…Na6 9% 6% ▼ -3.3%
7…b5 9% 5% ▼ -4.5%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 3 parties
Karpov, Anatoly — 3 parties
Ju, Wenjun — 3 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Euwe, Max — 1 partie
Anand, Viswanathan — 1 partie
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Parties historiques
7…e6 — 59.2% (3305 parties)
1923 — Gruenfeld, Ernst vs Reti, Richard — 1/2-1/2 — Vienna AUT
1929 — Engels, Ludwig vs Euwe, Max — 0-1 — Gravenhage
1948 — Tolush, Alexander V vs Aronin, Lev — 1-0 — Moscow RUS
1948 — Tolush, Alexander vs Aronin, Lev — 1-0 — Moskou ch-URS
1954 — Furman, Slavomir vs Nezhmetdinov, Rashid — 1-0 — Bucharest ROU
7…a6 — 10.5% (587 parties)
1932 — Rossolimo, Nicolas vs Blum, Oscar — 0-1 — Paris FRA
1936 — Zinner, Emil vs Engels, Ludwig — 1-0 — Munich GER
1955 — Shestoperov, Aleksej vs Kots, Yuri I — 0-1 — Moscow RUS
1957 — Florian, Jaromir vs Wolf, Rudolf — 1-0 — Brno CZE
1962 — Donner, Jan-Hein vs Tan, Hong Ghee — 1/2-1/2 — Amsterdam NED
7…Na6 — 9.9% (555 parties)
1943 — Rellstab, Ludwig Sr vs Loose, Walter — 1-0 — Vienna AUT
1957 — Khalilbeili, Sultan vs Mnatsakanian, Eduard A — 1/2-1/2 — Tbilisi GEO
1975 — Kjaerbye, Michael vs Gasseholm, Finn — 1-0 — Denmark ch corr
1977 — Leonhardt, Wolfgang vs Whaley, Michael — 0-1 — Auckland NZL
1979 — Cebalo, Miso vs Skrceski, Gavril — 1-0 — Pula CRO
7…b5 — 8.8% (491 parties)
1973 — Ghitescu, Theodor vs Ghizdavu, Dumitru — 1/2-1/2 — Bucharest ROU
1975 — Brena Garcia, Wilfredo vs Serrano, Waldo — 0-1 — Cienfuegos City CUB
1975 — Adeba Rodriguez, Jesus vs Alfonso Andres, Manel — 1/2-1/2 — Cienfuegos B
1975 — Vadasz, Laszlo vs Forintos, Gyozo V — 1-0 — Kecskemet HUN
1976 — Macdonald-Ross, Michael vs Kerr, Duncan — 1/2-1/2 — London ENG