E31h - 8.bxc3 - Leningrad, Main Line (1957)

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E31h — Leningrad, Main Line (1957)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.e3 Bxc3+ 8.bxc3
Les coups candidats
Ambassadeurs : Rain, Ricardo Ernesto (40x), Zylla, Johannes (18x), Bangiev, Alexander (15x), Timman, Jan H (14x), Gaertner, Guntram (10x), Hartston, William R (8x), Bagirov, Vladimir (8x), Comas Fabrego, Lluis (8x)
Ambassadeurs : Rain, Ricardo Ernesto (36x), Zylla, Johannes (19x), Bangiev, Alexander (9x), Comas Fabrego, Lluis (9x), Gaertner, Guntram (7x), Hebert, Jean (4x), Lerner, Konstantin Z (4x), Mignon, Frédéric (4x)
8…g5 — 2.7% (44 parties)
Ambassadeurs : Ree, Hans (1x), Langeweg, Kick (1x), Kliukin, Boris P (1x), Lazarev, Efim M. (1x), Golz, Werner (1x), Padevsky, Nikola (1x), Werbeck, Torsten (1x), Markmann, Ulrich (1x)
8…O-O — 1.2% (20 parties)
Ambassadeurs : Krouzel, Jaroslav (3x), Aronson, Lev (1x), Khasin, Abram (1x), Kahe, Ralph (1x), Einax, Claus-Dieter (1x), Pirttilahti, Janne (1x), Niiranen, Pekka (1x), Sotnikov, Igor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…e5 8…Qe7 8…g5 8…O-O
<1800 35 63% 31% 3% 3%
1800-2200 465 68% 24% 3% 3%
2200-2600 848 65% 31% 2% 1%
2600+ 29 55% 45% — —
Évolution par décennie (% des parties)
Décennie N parties 8…e5 8…Qe7 8…g5 8…O-O
1950s 12 83% — 8% 8%
1960s 23 91% — 9% —
1970s 87 97% 1% 2% —
1980s 194 84% 14% 2% 1%
1990s 464 70% 25% 2% 2%
2000s 423 67% 27% 4% 1%
2010s 362 51% 42% 1% 2%
2020s 66 64% 29% 8% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…e5 51% 64% ▲ +12.3%
8…Qe7 42% 29% ▼ -13.5%
8…g5 1% 8% ▲ +6.2%
8…O-O 2% 0% ▼ -1.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Smyslov, Vladimir — 1 partie
Parties historiques
8…e5 — 68.4% (1115 parties)
1952 — Keres, Paul vs O'Kelly de Galway, Alberic — 1/2-1/2 — Budapest HUN
1957 — Cherepkov, Alexander V vs Nikitin, A. — 1/2-1/2 — Leningrad RUS
1957 — Ghitescu, Theodor vs Kozma, Julius — 0-1 — Bratislava Bratislava SVK
1957 — Stahlberg, Gideon vs Skold, Kristian — 0-1 — Helsinki FIN
1957 — Cherepkov, Alexander V vs Nikitin, Aleksander S — 1/2-1/2 — Leningrad RUS
8…Qe7 — 26.4% (431 parties)
1978 — Bangiev, Alexander vs Supatashvili, Khvicha — 1-0 — Tbilisi GEO
1986 — Jones, BA. vs Martin, Andrew D — 0-1 — Guernsey GCI
1986 — Miles, Anthony J vs Karpov, Anatoly — 1/2-1/2 — Tilburg NED
1986 — Neverov, Valeriy vs Zaid, Leonid — 1/2-1/2 — UKR-ch Kiev UKR
1986 — Neverov, Valeriy vs Zaid, Leonid — 1/2-1/2 — Lvov ch-Ukraine
8…g5 — 2.7% (44 parties)
1959 — Golz, Werner vs Padevsky, Nikola — 1/2-1/2 — Dresden GER
1967 — Ree, Hans vs Langeweg, Kick — 1-0 — Zierikzee ch-NED
1969 — Kliukin, Boris P vs Lazarev, Efim M. — 1-0 — ?
1975 — Timman, Jan H vs Hort, Vlastimil — 1/2-1/2 — Teesside ENG
1976 — Kavalek, Lubomir vs Nonnenmacher, Eberhard, Dr. — 1/2-1/2 — Hallstadt
8…O-O — 1.2% (20 parties)
1957 — Aronson, Lev vs Khasin, Abram — 1-0 — Moscow RUS
1984 — Kahe, Ralph vs Einax, Claus-Dieter — 1/2-1/2 — corr DDR/FS
1993 — Said, Mahmoud vs Au, Ka Pang — 1/2-1/2 — Iran
1995 — Sotnikov, Igor vs Kuzmin, Gennadi — 1/2-1/2 — Trimex Festival
1995 — Comas Fabrego, Lluis vs Rivas Pastor, Manuel — 1/2-1/2 — Pamplona ESP