E70p - 4…d6 5.Bd3 O-O 6.Nge2 c5 7.d5 e6 8.O-O

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E70p —
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bd3 O-O 6.Nge2 c5 7.d5 e6 8.O-O
Eval: [+0.65]
Les coups candidats
8…exd5 — 56.6% (345 parties)
Ambassadeurs : Michenka, Jozef (7x), Kolbus, Dietmar (4x), Vladimirov, Boris T (3x), Damljanovic, Branko (3x), Kovacevic, Blazimir (3x), Becker, Robert (3x), Sagalchik, Gennadij (3x), Peng, Zhaoqin (3x)
8…Ng4 — 19.0% (116 parties)
Ambassadeurs : Gdanski, Jacek (6x), Moldovan, Daniel (4x), Dumitrache, Dragos-Nicolae (4x), Chatalbashev, Boris (4x), Marin, Mihail (3x), Gheorghiu, Florin (3x), Topalov, Veselin (3x), Papenin, Nikolai (3x)
8…Na6 — 10.8% (66 parties)
Ambassadeurs : Basagic, Zlatko (2x), Lilley, Graham (2x), Hulters, J. (1x), Bruckhaus, H. (1x), Aaron, Manuel (1x), Stein, Leonid (1x), Castillo Escudero Andres (1x), Thiellement, Andre (1x)
8…Re8 — 5.7% (35 parties)
Ambassadeurs : Seirawan, Yasser (2x), Bezold, Michael (2x), Prizker, Boris (2x), Szymczak, Zbigniew (1x), Zaichik, Gennadi (1x), Haik, Aldo (1x), Valenti, Giuseppe (1x), Chekhova-Kostina, Tatiana M (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…exd5 8…Ng4 8…Na6 8…Re8
<1800 11 73% — 18% —
1800-2200 163 61% 15% 7% 7%
2200-2600 345 50% 24% 13% 6%
2600+ 12 33% 67% — —
Évolution par décennie (% des parties)
Décennie N parties 8…exd5 8…Ng4 8…Na6 8…Re8
1930s 3 33% — 33% —
1950s 5 80% — — —
1960s 15 80% — 13% —
1970s 19 74% — 11% 11%
1980s 40 62% 5% 15% 8%
1990s 113 55% 18% 12% 8%
2000s 167 57% 17% 13% 7%
2010s 208 53% 26% 8% 3%
2020s 40 52% 28% 8% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…exd5 53% 52% -0.4%
8…Ng4 26% 28% ▲ +1.5%
8…Na6 8% 8% ▼ -0.7%
8…Re8 3% 8% ▲ +4.1%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 2 parties
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
8…exd5 — 56.6% (345 parties)
1930 — Duehrssen, Rudolf vs Helling, Karl — 0-1 — Berlin GER
1955 — Puc, Stojan vs Matulovic, M. — 1/2-1/2 — Novi Sad SRB
1956 — Khasin, Abram vs Aronson, Lev — 0-1 — Moscow RUS
1958 — Panno, Oscar vs Malich, Burkhard, Dr. — 1/2-1/2 — Varna BUL
1959 — Baranyi, Gyorgy vs Portisch, Ferenc — 0-1 — Zalaegerszeg
8…Ng4 — 19.0% (116 parties)
1988 — Knaak, Rainer vs Marin, Mihail — 0-1 — Dresden GER
1989 — Schulien, Charles vs Frias Garcia, Valeria — 0-1 — World Open
1990 — Boensch, Uwe vs Ionescu, Constantin — 1/2-1/2 — Stara Zagora
1990 — Dumitrache, Dragos-Nicolae vs Vasiesiu, Dan — 0-1 — Tusnad
1992 — Sutter, Oliver vs Gheorghiu, Florin — 0-1 — SUI
8…Na6 — 10.8% (66 parties)
1938 — Hulters, J. vs Bruckhaus, H. — 0-1 — Krefeld GER
1962 — Aaron, Manuel vs Stein, Leonid — 0-1 — Stockholm SWE
1962 — Castillo Escudero Andres vs Thiellement, Andre — 1/2-1/2 — Paris FRA
1975 — Spiller, Arthur R vs Blackstone, John — 0-1 — So. California, CA
1979 — Bousios, Hristos vs Negulescu, Adrian — 0-1 — Balkaniad #11 jr;Bihac,YUG
8…Re8 — 5.7% (35 parties)
1977 — Haik, Aldo vs Valenti, Giuseppe — 1-0 — Reggio Emilia ITA
1978 — Szymczak, Zbigniew vs Zaichik, Gennadi — 1/2-1/2 — Kirovakan
1983 — Chekhova-Kostina, Tatiana M vs Epstein, Esther — 0-1 — Kishinev MDA
1986 — Federau, Juergen vs Zessinger, Reinmar — 0-1 — GER
1988 — Seirawan, Yasser vs Ivanov , Ivan St — 1-0 — Saint John blitz