E52c - 7.O-O Bb7 - Main Line (1946)

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E52c — Main Line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 b6 7.O-O Bb7
Les coups candidats
Ambassadeurs : Knaak, Rainer (9x), Neiksans, Arturs (8x), Batsiashvili, Nino (8x), Navara, David (8x), Tudor, Vasile (8x), Jussupow, Artur (7x), Korchnoi, Viktor (7x), Babula, Vlastimil (7x)
Ambassadeurs : Gligoric, Svetozar (16x), Portisch, Lajos (9x), Donner, Jan-Hein (8x), Huebner, Robert (7x), Neverov, Valeriy (7x), Taimanov, Mark (6x), Polugaevsky, Lev (6x), Panno, Oscar (5x)
8.Bd2 — 5.8% (163 parties)
Ambassadeurs : Taimanov, Mark (4x), Geller, Efim P. (4x), Bobotsov, Milko G (3x), Filip, Miroslav (3x), Reshevsky, Samuel (3x), Portisch, Ferenc (3x), Smyslov, Vladimir (2x), Keres, Paul (2x)
8.Qe2 — 2.8% (77 parties)
Ambassadeurs : Szabo, Ladislav (3x), Donner, Jan-Hein (3x), Liebert, Heinz (2x), Szabo, Laszlo (2x), Polugaevsky, Lev (2x), Huebner, Robert (2x), Korchnoi, Viktor (2x), Van der Werf, Mark (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.cxd5 8.a3 8.Bd2 8.Qe2
<1800 46 48% 33% 4% 4%
1800-2200 615 54% 34% 5% 3%
2200-2600 1433 64% 26% 5% 2%
2600+ 157 70% 26% 1% 2%
Évolution par décennie (% des parties)
Décennie N parties 8.cxd5 8.a3 8.Bd2 8.Qe2
1920s 3 67% 33% — —
1930s 4 100% — — —
1940s 4 25% — 50% —
1950s 92 54% 25% 14% 3%
1960s 109 44% 25% 17% 6%
1970s 118 53% 34% 8% 3%
1980s 196 56% 31% 8% 2%
1990s 351 53% 36% 6% 2%
2000s 494 60% 26% 7% 4%
2010s 1164 64% 27% 3% 2%
2020s 263 70% 22% 4% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.cxd5 64% 70% ▲ +6.4%
8.a3 27% 22% ▼ -5.2%
8.Bd2 3% 4% ▲ +0.8%
8.Qe2 2% 2% -0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Ju, Wenjun — 4 parties
Smyslov, Vladimir — 3 parties
Euwe, Max — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Carlsen, Magnus — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
8.cxd5 — 60.3% (1688 parties)
1924 — Van Kranendonk, AG. vs Kroone, Gerard — 0-1 — NED
1928 — Bogoljubow, Efim vs Euwe, Max — 1-0 — The Netherlands
1931 — Alatortsev, Vladimir N. vs Lisitsin, Georgy — 0-1 — Moskou ch-URS
1931 — Horowitz, Albert Israel vs Albert-Kevitz, Alexan — 1-0 — New York, NY USA
1931 — Horowitz, Albert Israel vs Kevitz, Alexander — 1-0 — New York, NY USA
8.a3 — 27.9% (781 parties)
1928 — Yates, Frederic D vs Colle, Edgar — 1-0 — Hastings Town Hall
1950 — Borisenko, Georgy K vs Alatortsev, Vladimir N. — 0-1 — Moskou ch-URS
1952 — Wozniak, Kazimierz vs Szukszta, Janus — 1-0 — Katowice POL
1953 — Taimanov, Mark vs Averbakh, Yuri L — 1-0 — Zurich SUI
1953 — Taimanov, Mark vs Averbakh, Yuri L — 1-0 — Zurich SUI
8.Bd2 — 5.8% (163 parties)
1949 — Furman, Slavomir vs Simagin, Vladimir — 1-0 — Vilnius LTU
1949 — Konstantinopolsky, Alexander vs er-Steinsapir, Yu — 1/2-1/2 — Moscow RUS
1951 — Taimanov, Mark vs Averbakh, Yuri L — 1-0 — Moskou ch-URS
1952 — Geller, Efim P. vs Keres, Paul — 1-0 — Moskou ch-URS
1952 — Geller, Efim P. vs Keres, Paul — 1-0 — Moscow RUS
8.Qe2 — 2.8% (77 parties)
1952 — Szabo, Ladislav vs Gereben, Erno — 1-0 — Budapest HUN
1953 — Szabo, Laszlo vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1954 — Porath, Yosef vs Szabo, Ladislav — 1-0 — Amsterdam NED
1961 — Donner, Jan-Hein vs Simagin, Vladimir — 0-1 — Maroczy mem Budapest HUN
1964 — Oliyarnyk, W. vs Sarosy, Zoltan L — 1/2-1/2 — Toronto CAN