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D97c — Russian, Szabo (1937)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 c6 8.Be2
Les coups candidats
8…b5 — 46.0% (298 parties)
Ambassadeurs : Tryggestad, Andreas Garberg (7x), Forintos, Gyozo V (4x), Honfi, Karoly (4x), Konig, Paul (4x), Liu, Xiangyi (4x), Hort, Vlastimil (3x), Suetin, Alexey S (3x), Uhlmann, Wolfgang (3x)
8…Nbd7 — 15.7% (102 parties)
Ambassadeurs : OBrien, Erik Michael (2x), Brychta, Vladimir (1x), Riha, Jaroslav (1x), Trifunovic, Petar (1x), Kozomara, Vlado (1x), Zalys, Ignas (1x), Therien, Jules (1x), Romm, Meir (1x)
8…Be6 — 11.6% (75 parties)
Ambassadeurs : Zaballa Zarzosa, Jon (2x), Liavdansky, Vladimir (1x), Bannik, Anatolij (1x), Bukic, Enver (1x), Marangunic, Srdjan (1x), Rumiancev, Gennadij (1x), Zahidov, Igor (1x), Van Den Broeck, Hans (1x)
8…b6 — 6.3% (41 parties)
Ambassadeurs : Jankovec, Ivan (1x), Ivan, Imrich (1x), Pachman, Ludek (1x), Garcia Lopez, Juan Gilberto (1x), Dybowski, Jerzy (1x), Sygulski, Artur (1x), Vranesic, Zvonko (1x), Storey, Carl (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…b5 8…Nbd7 8…Be6 8…b6
<1800 32 31% 34% 9% 6%
1800-2200 301 39% 18% 14% 8%
2200-2600 172 56% 9% 9% 6%
2600+ 14 86% 7%
Évolution par décennie (% des parties)
Décennie N parties 8…b5 8…Nbd7 8…Be6 8…b6
1950s 18 39% 17% 6%
1960s 53 66% 15% 8% 4%
1970s 13 62% 15%
1980s 14 57% 36% 7%
1990s 74 43% 15% 7% 8%
2000s 149 42% 15% 12% 7%
2010s 261 46% 16% 13% 7%
2020s 66 39% 15% 18% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…b5 46% 39% ▼ -6.2%
8…Nbd7 16% 15% ▼ -0.6%
8…Be6 13% 18% ▲ +4.8%
8…b6 7% 6% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8…b5 — 46.0% (298 parties)
1951 — Amaro, Lucas Ibrair vs Benko, Francisco — 0-1 — Buenos Aires ARG
1952 — Arlamowski, Edward vs Partyka, Kazimierz — 1-0 — Miedzyzdroje
1953 — Boey, Josef vs Borodin, Vladimir — 1/2-1/2 — Antwerp BEL
1958 — Furman, Semyon vs Lutikov, Anatoly S — 0-1 — Moscow RUS
1958 — Botvinnik, Mikhail vs Van den Bosch, Johannes — 1/2-1/2 — Utrecht simultaan
8…Nbd7 — 15.7% (102 parties)
1953 — Zalys, Ignas vs Therien, Jules — 1-0 — Montreal CAN
1953 — Heikkila, Heikki vs Roessel, Frits — 0-1 — Copenhagen DEN
1955 — Van Den Broeck, Hans vs Thibaut, Georges — 0-1 — Merksem
1961 — Brychta, Vladimir vs Riha, Jaroslav — 1/2-1/2 — Brno CZE
1961 — Trapl, Jindrich vs Dolezal, Jiri — 1/2-1/2 — Kosice
8…Be6 — 11.6% (75 parties)
1958 — Van Den Broeck, Hans vs Denckens, Leon — 1/2-1/2 — Blankenberge
1964 — Liavdansky, Vladimir vs Bannik, Anatolij — 1-0 — Kiev ch-URS
1967 — Hort, Vlastimil vs Bak, Istvan — 1/2-1/2 — Sousse TUN
1968 — Rumiancev, Gennadij vs Zahidov, Igor — 1/2-1/2 — Riga LAT
1969 — Bukic, Enver vs Marangunic, Srdjan — 1-0 — Yugoslavia
8…b6 — 6.3% (41 parties)
1963 — Jankovec, Ivan vs Ivan, Imrich — 0-1 — Zvolen
1963 — Pachman, Ludek vs Garcia Lopez, Juan Gilberto — 1-0 — Havana CUB
1986 — Dybowski, Jerzy vs Sygulski, Artur — 1/2-1/2 — Naleczow
1991 — Vranesic, Zvonko vs Storey, Carl — 1/2-1/2 — Vancouver BC CAN
1991 — Pasztor, Ferenc vs Csapo, Zoltan — 0-1 — HUN