E70s - 4…d6 5.Bg5 - Accelerated Averbakh Variation (1935)

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E70s — Accelerated Averbakh System
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bg5
Les coups candidats
Ambassadeurs : Nikolaidis, Ioannis NA (31x), Bisguier, Arthur B (16x), Biebinger, Gerhard (12x), Milov, Vadim (12x), Milanovic, Danilo (11x), Rajkovic, Dusan (11x), Ermenkov, Evgenij (10x), Ibragimov, Ildar (10x)
Ambassadeurs : Nikolaidis, Ioannis NA (16x), Bisguier, Arthur B (10x), Ipatov, Alexander (9x), Sokolov, Ivan (9x), Ibragimov, Ildar (7x), Ertbjerg, Per (7x), Kroll, Ove (6x), Crouch, Colin S (5x)
5…c5 — 9.0% (275 parties)
Ambassadeurs : Bisguier, Arthur B (11x), Hottes, Dieter (6x), Golz, Werner (5x), Sliwa, Bogdan (4x), Starck, Bodo (3x), Matanovic, Aleksandar (3x), Durao, Joaquim (3x), Sakharov, Yuri N (3x)
5…Nbd7 — 7.0% (212 parties)
Ambassadeurs : Nikolaidis, Ioannis NA (3x), Kobler, Andraz (2x), Lagha, Khelil (2x), Hesse, Peter (2x), Bisguier, Arthur B (2x), Egan, Bill (2x), Mueller, Helmut (2x), Bakic, Rados (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…h6 5…c5 5…Nbd7
<1800 95 57% 22% 6% 9%
1800-2200 966 49% 29% 8% 9%
2200-2600 1013 56% 31% 6% 4%
2600+ 29 41% 48% 7% 3%
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…h6 5…c5 5…Nbd7
1930s 2 50% — — 50%
1940s 4 — — 25% 50%
1950s 98 40% 24% 32% 3%
1960s 276 33% 36% 22% 6%
1970s 79 25% 42% 19% 9%
1980s 117 40% 38% 13% 7%
1990s 667 56% 26% 7% 7%
2000s 959 52% 30% 6% 7%
2010s 770 53% 29% 6% 7%
2020s 78 54% 28% 9% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 53% 54% ▲ +0.9%
5…h6 29% 28% -0.5%
5…c5 6% 9% ▲ +2.7%
5…Nbd7 7% 5% ▼ -2.3%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Ding, Liren — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
5…O-O — 49.9% (1523 parties)
1935 — Nagy, Gyula vs Nieszl, Ph — 1-0 — ?
1953 — Zagoriansky, Evgeny vs Furman, Slavomir — 1-0 — Leningrad RUS
1954 — Zagoriansky, Evgeny vs Zagorovsky, Vladimir — 1-0 — Moscow RUS
1954 — Ragozin, Viacheslav vs Borisenko, Georgy K — 1/2-1/2 — Kiev ch-URS
1955 — Foldi, Jozsef vs Sandor, Balazs — 1/2-1/2 — Budapest HUN
5…h6 — 29.6% (902 parties)
1951 — Rathai, Volker vs Mueller, Claus — 1-0 — Schwerin GER
1953 — Voisin, Jean Pierre vs Belkadi, Ridha — 0-1 — Paris FRA
1954 — Furman, Slavomir vs Borisenko, Georgy K — 1/2-1/2 — Kiev ch-URS
1955 — Vaitonis, Povilas vs Suk, Ivan — 0-1 — Ottawa CAN
1955 — Conger vs Fischer, Robert J — 1-0 — Chess Review
5…c5 — 9.0% (275 parties)
1947 — Nuernberg, Friedrich vs Kraus, Rudolf — 1-0 — Riedenburg
1953 — Pachman, Ludek vs Alster, Ladislav — 0-1 — Prague CZE
1953 — Bronstein, David I vs Najdorf, Miguel — 1/2-1/2 — Zurich SUI
1955 — Joyner, Lionel vs Draxl, Rudolph — 1-0 — Ottawa CAN
1955 — Bisguier, Arthur B vs Bertok, Mario Jr. — 1/2-1/2 — Zagreb CRO
5…Nbd7 — 7.0% (212 parties)
1935 — Staldi, Cherubino vs Rosselli del Turco, Stefano — 1-0 — Firenze ITA
1942 — Caceres Richter, Dylan vs Rellstab, Ludwig — 1-0 — Munich GER
1945 — Kan, Ilya A vs Tolush, Alexander — 1-0 — Moskou ch-URS
1955 — Carls, Carl vs Baad Schmidt, Noah — 1-0 — Bremen GER
1955 — Golovko, Nikolay Grigorievic vs Goldstein, Maurice Edwards — 1-0 — Army ch