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E52b — Main Line (1946)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 b6 7.O-O
Les coups candidats
Ambassadeurs : Donner, Jan-Hein (14x), Taimanov, Mark (12x), Jussupow, Artur (10x), Knaak, Rainer (10x), Gligoric, Sofija (9x), Filip, Miroslav (9x), Tal, Mikhail (9x), Gligoric, Svetozar (9x)
7…Ba6 — 15.1% (324 parties)
Ambassadeurs : B, Owen (4x), Ludevid i Massana, Joan (4x), Iljin, Timofey (3x), Harikrishna, Pentala (3x), Haimovich, Tal (2x), Sargissian, Gabriel (2x), Maroroa Jones, Gawain C B (2x), Mroczek, Jacek (2x)
Ambassadeurs : Turczynski, Marian (4x), Popov, Vladimir Valentinovich (4x), Sanguineti, Raúl Carlos (2x), Szerlak, Andrzej (2x), Laliga, Olivier (2x), Rumyantsev, Vladimir (2x), Halliwell, Toni (2x), Karlsson, Leif (2x)
7…dxc4 — 5.6% (121 parties)
Ambassadeurs : Kurajica, Bojan (3x), Miralles, Gilles (2x), Iotov, Valentin (2x), Meyer, Frank (2x), Ekenberg, Bengt (1x), Nilsson, Zandor (1x), Rabar, Braslav (1x), Smyslov, Vladimir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bb7 7…Ba6 7…c5 7…dxc4
<1800 98 60% 14% 9% 11%
1800-2200 599 63% 16% 10% 7%
2200-2600 1039 73% 16% 6% 5%
2600+ 117 68% 25% 3% 3%
Évolution par décennie (% des parties)
Décennie N parties 7…Bb7 7…Ba6 7…c5 7…dxc4
1950s 71 92% — 1% 4%
1960s 55 87% — 7% 4%
1970s 86 93% — 2% 5%
1980s 119 86% 5% 3% 3%
1990s 240 85% 2% 2% 6%
2000s 289 82% 5% 2% 8%
2010s 960 64% 22% 8% 4%
2020s 323 49% 27% 13% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bb7 64% 49% ▼ -15.1%
7…Ba6 22% 27% ▲ +5.2%
7…c5 8% 13% ▲ +4.4%
7…dxc4 4% 10% ▲ +5.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 9 parties
Ju, Wenjun — 2 parties
Smyslov, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7…Bb7 — 70.5% (1511 parties)
1950 — Niephaus, Walter vs Sahlmann, Walter — 1/2-1/2 — Bad Pyrmont GER
1951 — Taimanov, Mark vs Averbakh, Yuri L — 1-0 — Moskou ch-URS
1952 — Geller, Efim P. vs Keres, Paul — 1-0 — Moscow RUS
1952 — Geller, Efim P. vs Keres, Paul — 1-0 — Moskou ch-URS
1952 — Szabo, Laszlo vs Gereben, Erno — 1-0 — Budapest HUN
7…Ba6 — 15.1% (324 parties)
1981 — Lukacs, Peter vs Kurajica, Bojan — 1/2-1/2 — Sarajevo BIH
1982 — Plachetka, Jan vs Csom, Istvan — 1-0 — Lucerne SUI
1986 — Berndt, Klaus vs Brock, Friedemann — 0-1 — DDR-ch M763 corr
1988 — Geller, Arpad, Dr. vs Hoelzl, Franz — 1-0 — Budapest HUN
1988 — Mraz, Andrej vs Halouzka, Jiri — 1-0 — corr ch22-CSSR
7…c5 — 6.7% (143 parties)
1953 — Geller, Efim P. vs Szabo, Laszlo — 1/2-1/2 — Zurich SUI
1961 — Lombardy, William J vs Keres, Paul — 1/2-1/2 — Zurich SUI
1965 — Amaro, Lucas Ibrair vs Sanguineti, Raúl Carlos — 1/2-1/2 — Buenos Aires ARG
1966 — Petersen, Finn vs Sanguinetti, Raul — 0-1 — Havana ol
1968 — Ocampo, Raul vs Sanguineti, Raúl Carlos — 0-1 — Mar del Plata ch-ARG
7…dxc4 — 5.6% (121 parties)
1954 — Newman, Richard vs Thomas Andrew — 1-0 — Nottingham ENG
1955 — Rabar, Braslav vs Smyslov, Vladimir — 1/2-1/2 — Zagreb CRO
1957 — Haggqvist Bjorn vs Berthold, Andreas — 0-1 — Reykjavik ISL
1961 — Matanovic, Aleksandar vs Filip, Miroslav — 1/2-1/2 — Buenos Aires ARG
1963 — Ekenberg, Bengt vs Nilsson, Zandor — 1-0 — Sweden