E52i - 7.O-O Bb7 8.cxd5 exd5 9.Ne5 - Main Line (1911)

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E52i — 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 8.cxd5 exd5 9.Ne5
Les coups candidats
9…Nbd7 — 44.7% (251 parties)
Ambassadeurs : Goltseva, Ekaterina (4x), Sadler, Matthew D (3x), Zhukova, Natalia (3x), Hildebrand, Gerald (3x), Batsiashvili, Nino (3x), Antoshin, Vladimir S (2x), Tarjan, James (2x), Danner, Georg (2x)
9…Bd6 — 34.2% (192 parties)
Ambassadeurs : Knaak, Rainer (7x), Korchnoi, Viktor (4x), Farago, Ivan (4x), Simagin, Vladimir (3x), Lukacs, Peter (3x), Chuchelov, Vladimir (3x), Ehlvest, Jaan (3x), Romanov, Egor (3x)
9…c5 — 9.8% (55 parties)
Ambassadeurs : Przewoznik, Jan (2x), Kanko, Ilkka (2x), Bareev, Evgeny (2x), Mroczek, Jacek (2x), Lasker, Edward (1x), Fine, Reuben (1x), Yudovich, Mikhail M (1x), Batik, Frantisek (1x)
9…a6 — 4.8% (27 parties)
Ambassadeurs : Borisenko, Georgy K (3x), Zwaig (2x), Aguilar Petersen, Martin Alejandro (2x), Khachaturov, Andrey Andreevich (1x), Tchetchelnitski, Boris (1x), Averbakh, Yuri L (1x), Furman, Slavomir (1x), Richter, Jacob (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Nbd7 9…Bd6 9…c5 9…a6
<1800 2 100% — — —
1800-2200 93 57% 28% 10% 1%
2200-2600 322 40% 39% 9% 4%
2600+ 34 35% 47% 12% 3%
Évolution par décennie (% des parties)
Décennie N parties 9…Nbd7 9…Bd6 9…c5 9…a6
1910s 1 — 100% — —
1940s 2 50% — 50% —
1950s 13 62% — — 23%
1960s 25 28% 32% 4% 32%
1970s 33 42% 33% 15% 9%
1980s 48 54% 27% 8% 4%
1990s 62 53% 27% 15% 2%
2000s 67 33% 51% 7% 4%
2010s 221 48% 34% 10% 1%
2020s 90 39% 37% 9% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Nbd7 48% 39% ▼ -8.6%
9…Bd6 34% 37% ▲ +2.7%
9…c5 10% 9% ▼ -1.1%
9…a6 1% 4% ▲ +3.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Ju, Wenjun — 2 parties
Karpov, Aleksandr — 1 partie
Parties historiques
9…Nbd7 — 44.7% (251 parties)
1947 — Szabo, Laszlo vs Lenner Leopold — 1-0 — Budapest HUN
1953 — Furman Oman, Anze vs Antoshin, Alexander — 1-0 — Rostov on Don
1955 — Bertok, Mario Jr. vs O'Kelly, Albéric de Galway — 0-1 — Zagreb CRO
1955 — Szabo, Ladislav vs Filip, Marius Liviu — 1/2-1/2 — Goteborg SWE
1956 — Tolush, Alexander vs Antoshin, Vladimir S — 0-1 — Leningrad ch-URS
9…Bd6 — 34.2% (192 parties)
1911 — Salwe, Georg vs Schlechter, Carl — 1-0 — Carlsbad CZE
1963 — Cherepkov, Alexander V vs Korchnoi, Viktor — 0-1 — Leningrad RUS
1967 — Simagin, Vladimir vs Razuvaev, Yuriy — 1-0 — Moscow RUS
1967 — Simagin, Vladimir vs Razuvaev, Yuri S — 1-0 — ?
1967 — Lehmann, Heinz vs Donner, Jan-Hein — 1/2-1/2 — Palma de Majorca ESP
9…c5 — 9.8% (55 parties)
1941 — Lasker, Edward vs Fine, Reuben — 0-1 — New York, NY USA
1960 — Yudovich, Mikhail M vs Batik, Frantisek — 1-0 — corr FS
1971 — Shneider, Aleksandr vs Kuhnel — 1-0 — corr EU
1972 — Heilemann, Hans-Peter vs Brilla-Banfalvi, Sandor — 0-1 — corr NBC
1974 — Toth, Bela vs Acuna Ventura, Mateo — 1-0 — corr Latin Cup II
9…a6 — 4.8% (27 parties)
1954 — Borisenko, Georgy K vs Averbakh, Yuri L — 1/2-1/2 — Kiev ch-URS
1955 — Krogius, Nikolai V vs Antoshin, Vladimir S — 1/2-1/2 — Moscow RUS
1958 — Borisenko, Georgy K vs Furman, Slavomir — 1/2-1/2 — Riga ch-URS
1960 — Estrada Degrandi, Walter vs Gligorić, Svetozar — 1/2-1/2 — Asuncion PAR
1965 — Borisenko, Georgy K vs Richter, Jacob — 1-0 — corr Wch5