E14i - 4…Bb7 5.Bd3 Bb4+ 6.Nbd2 O-O 7.O-O d5 8.a3

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E14i —
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 Bb4+ 6.Nbd2 O-O 7.O-O d5 8.a3
Les coups candidats
Ambassadeurs : Cramling, Pia (6x), Kholmov, Ratmir D (5x), Dreev, Aleksey (4x), Kiselev, Sergey. (3x), Knezevic, Milorad (3x), Ruban, Vadim (3x), Balashov, Yuri (3x), Bolbochan, J. (2x)
8…Bd6 — 21.5% (115 parties)
Ambassadeurs : Eperjesi, Laszlo Dr. (3x), Dvoretzky, Mark (2x), Gaprindashvili, Nona (2x), Sokolsky, Alexey (1x), Vulfson, Vladimir (1x), Mikkov, Uno (1x), Chekhover, Vitaly (1x), Bilek, Istvan (1x)
8…Bxd2 — 16.6% (89 parties)
Ambassadeurs : Limbos, Paul (2x), Langeweg, Kick (2x), Ujtelky, Maximilian (2x), Chumfwa, Stanley (2x), Pachman, Ludek (1x), Unzicker, Wolfgang (1x), Gobert, Jozef (1x), Bachtiar, Ahmad Ina (1x)
8…dxc4 — 0.4% (2 parties)
Ambassadeurs : Janssen, Rainer (1x), Geirnaert, Steven (1x), Wulkan, Martin (1x), Karlsson, Mikael 1980 (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Be7 8…Bd6 8…Bxd2 8…dxc4
<1800 5 60% 20% 20% —
1800-2200 95 57% 29% 13% 1%
2200-2600 339 62% 21% 17% 0%
2600+ 23 70% 17% 13% —
Évolution par décennie (% des parties)
Décennie N parties 8…Be7 8…Bd6 8…Bxd2 8…dxc4
1930s 1 100% — — —
1940s 3 67% 33% — —
1950s 7 29% 14% 57% —
1960s 18 67% 17% 17% —
1970s 37 59% 24% 16% —
1980s 51 73% 20% 8% —
1990s 98 60% 23% 16% —
2000s 131 53% 24% 21% 2%
2010s 158 66% 20% 14% —
2020s 32 66% 12% 22% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Be7 66% 66% -0.2%
8…Bd6 20% 12% ▼ -7.8%
8…Bxd2 14% 22% ▲ +8.0%
8…dxc4 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Kramnik, Vladimir — 2 parties
Parties historiques
8…Be7 — 61.6% (330 parties)
1938 — Reinhardt, Heinrich vs Herrmann, Hans, Dr. — 0-1 — Bad Oeynhausen GER
1941 — Eliskases, Erich vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG
1946 — Letelier Martner, Rene vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG
1958 — Bobocov, M. vs Szokolov, V. — 1/2-1/2 — Balatonfured
1959 — Beni, Alfred vs Unzicker, Wolfgang — 1/2-1/2 — Lugano SUI
8…Bd6 — 21.5% (115 parties)
1942 — Sokolsky, Alexey vs Vulfson, Vladimir — 1-0 — Kuibyshev
1959 — Mikkov, Uno vs Chekhover, Vitaly — 1-0 — Leningrad RUS
1962 — Bilek, Istvan vs Lengyel, Laszlo — 1/2-1/2 — Budapest HUN
1962 — Geller, Efim P. vs Fuchs, Reinhart — 1-0 — Varna BUL
1964 — Korchnoi, Viktor vs Vladimirov, Boris T — 1-0 — Leningrad RUS
8…Bxd2 — 16.6% (89 parties)
1955 — Gobert, Jozef vs Limbos, Paul — 1/2-1/2 — Kortrijk
1955 — Lemaire, Robert vs Limbos, Paul — 1/2-1/2 — Kortrijk
1955 — Ujtelky, Maximilian vs Dolezal, Jiri — 1-0 — Prague CZE
1955 — Ujtelky, Maximilian vs Urbanec, Karel — 0-1 — Prague CZE
1961 — Pachman, Ludek vs Unzicker, Wolfgang — 1/2-1/2 — Oberhausen etc
8…dxc4 — 0.4% (2 parties)
2002 — Janssen, Rainer vs Geirnaert, Steven — 1/2-1/2 — Dieren NED
2006 — Wulkan, Martin vs Karlsson, Mikael 1980 — 1/2-1/2 — Sweden