E04j - 5…a6 6.O-O Nc6 7.e3 - Open [+0.36]

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E04j — Open
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 a6 6.O-O Nc6 7.e3
Eval: [+0.36]
Les coups candidats
7…Bd7 — 82.4% (3297 parties)
Ambassadeurs : Pérez López, Alberto (34x), Deforel, Jorge Eduardo (29x), Grammatica, Andrea (21x), Dorer, Manfred (21x), Salzmann, Stefan (20x), Pheby, Ian M (19x), Szczepanski, Zbigniew (18x), Rawlings, Alan J C (16x)
7…Rb8 — 15.2% (609 parties)
Ambassadeurs : Mikhalevski, Alexander (8x), Matsenko, Sergei (5x), Mamedyarov, Shakhriyar (5x), Mokshanov, Alexey (5x), Bjerre, Jonas Buhl (5x), Kusa, Jakub (5x), Kosteniuk, Alexandra (4x), Shvayger, Yuliya (4x)
7…Nd5 — 1.0% (38 parties)
Ambassadeurs : Kolev, Atanas (1x), Nikolov, Sasho (1x), Andersen, Jens Erik N. (1x), Garscha (1x), Razuvaev, Yuri S (1x), Beliavsky, Alexander G (1x), Dydyshko, Viacheslav (1x), Koziak, Vitali (1x)
7…Be7 — 0.6% (24 parties)
Ambassadeurs : Keuter, Klaus (2x), Krzyszton, Jerzy (1x), Sterud, Edvard (1x), Kanter, Eduard (1x), Beliaev, Vasily (1x), Forslöf, Lars (1x), Rozenberg, Dov (1x), Gilles, Jean-Claude (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bd7 7…Rb8 7…Nd5 7…Be7
<1800 51 76% 20% — 2%
1800-2200 1023 84% 13% 1% 1%
2200-2600 2593 82% 16% 1% 0%
2600+ 119 61% 38% — —
Évolution par décennie (% des parties)
Décennie N parties 7…Bd7 7…Rb8 7…Nd5 7…Be7
1970s 7 57% — 14% —
1980s 45 71% 22% 4% —
1990s 85 80% 19% — 1%
2000s 620 88% 8% 3% 0%
2010s 2310 88% 10% 1% 1%
2020s 932 67% 32% 0% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bd7 88% 67% ▼ -20.9%
7…Rb8 10% 32% ▲ +21.4%
7…Nd5 1% 0% -0.4%
7…Be7 1% 1% -0.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Ding, Liren — 3 parties
Gukesh D — 3 parties
Anand, Viswanathan — 2 parties
Carlsen, Magnus — 2 parties
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
7…Bd7 — 82.4% (3297 parties)
1978 — Gulko, Boris vs Sveshnikov, Evgeny — 1-0 — Tbilisi ch-URS
1979 — Beliavsky, Alexander G vs Sveshnikov, Evgeny — 0-1 — It Novi Sad YUG
1979 — Rashkovsky, Nukhim N vs Sveshnikov, Evgeny — 1/2-1/2 — Minsk ch-URS
1979 — Mikhalchishin, Adrian vs Izvozhchikov — 1/2-1/2 — Tbilisi GEO
1980 — Rashkovsky, Nukhim N vs Sveshnikov, Evgeny — 0-1 — Tashkent UZB
7…Rb8 — 15.2% (609 parties)
1981 — Polugaevsky, Lev vs Portisch, Lajos — 1/2-1/2 — Amsterdam NED
1981 — Polugaevsky, Lev vs Portisch, Lajos — 1/2-1/2 — Amsterdam i 31\544
1981 — Gorelov, Sergey G vs Kharitonov, Adil — 1/2-1/2 — Volgodonsk
1982 — Timoscenko, Gennadij vs Schneider, Lars-Ake — 1-0 — Pavlodar ch-URS
1982 — Butnorius, Algimantas vs Anikaev, Yuri N — 1/2-1/2 — URS-ch sf Severodonetsk
7…Nd5 — 1.0% (38 parties)
1978 — Razuvaev, Yuri S vs Beliavsky, Alexander G — 1/2-1/2 — Tbilisi ch-URS
1988 — Kolev, Atanas vs Nikolov, Sasho — 1-0 — Bulgaria
1988 — Andersen, Jens Erik N. vs Garscha — 1-0 — Germany ch corr
2001 — Glowatzky, Tihomir vs Altenburg, Nils — 1-0 — SE022.019 DESC
2001 — Buchholz, Dieter vs Gohla, Ulf — 1/2-1/2 — ?
7…Be7 — 0.6% (24 parties)
1994 — Krzyszton, Jerzy vs Sterud, Edvard — 1-0 — corr ol
2008 — Kanter, Eduard vs Beliaev, Vasily — 1-0 — Kazan RUS
2010 — Gilles, Jean-Claude vs Wulf, Guenter — 1-0 — Bad Homburg GER
2012 — Neß, Heiko vs Keuter, Klaus — 1-0 — ICCF
2013 — Szczepanski, Zbigniew vs Kudela, Stanislav — 1-0 — ICCF