E17h - 7.Bd2 - Opocensky Variation (1938)

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E17h — Opocensky Variation (1938)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Bd2
Les coups candidats
Ambassadeurs : Karpov, Anatoly (17x), Salov, Valery (10x), Timoshenko, Georgy (10x), Timoscenko, Gennadij (9x), Magerramov, Elmar (9x), Pinter, Jozsef (8x), Ionov, Sergey (8x), Yemelin, Vasily (8x)
Ambassadeurs : Lalic, Bogdan (5x), Tukmakov, Vladimir B (4x), Sorin, Ariel (4x), Naumkin, Igor (4x), Janisch, Manfred (4x), Damjanovic, Mato (3x), Rozentalis, Eduardas (3x), Timman, Jan H (3x)
Ambassadeurs : Naumkin, Igor (11x), Rozentalis, Eduardas (8x), Tiviakov, Sergei (6x), Schindler, Sven (6x), Korchnoi, Viktor (5x), Epishin, Vladimir (5x), Arnason, Jon L (4x), Almasi, Zoltan (4x)
7…d5 — 6.4% (128 parties)
Ambassadeurs : Benko, Pal (6x), Alekseev, Evgeny (6x), Dervishi, Erald (5x), Janosevic, Dragoljub (4x), Karpov, Anatoly (4x), Kevický, Martin (4x), ? (3x), Naumkin, Igor (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bf6 7…O-O 7…f5 7…d5
<1800 34 32% 26% 15% 6%
1800-2200 404 28% 37% 18% 6%
2200-2600 1223 39% 26% 18% 6%
2600+ 154 41% 18% 19% 11%
Évolution par décennie (% des parties)
Décennie N parties 7…Bf6 7…O-O 7…f5 7…d5
1950s 5 — 40% 20% —
1960s 29 3% 28% 24% 24%
1970s 92 24% 23% 2% 16%
1980s 228 50% 21% 13% 7%
1990s 490 49% 20% 20% 3%
2000s 479 31% 28% 25% 6%
2010s 563 32% 37% 13% 6%
2020s 115 22% 26% 13% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bf6 32% 22% ▼ -10.6%
7…O-O 37% 26% ▼ -10.9%
7…f5 13% 13% -0.3%
7…d5 6% 10% ▲ +3.5%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kasparov, Garry — 6 parties
Carlsen, Magnus — 4 parties
Anand, Viswanathan — 3 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7…Bf6 — 36.6% (732 parties)
1969 — Ivkov, Borislav vs Rossolimo, Nicolas — 1/2-1/2 — Vrsac SRB
1971 — Smyslov, Vasily vs Olafsson, Fridrik — 1-0 — Moscow RUS
1973 — Rapaka Samuel Paul vs Smyslov, Vasily — 1/2-1/2 — Petropolis izt
1974 — Korchnoi, Viktor vs Karpov, Anatoly — 1/2-1/2 — Moscow RUS
1974 — Keene, Raymond D vs Kholmov, Ratmir D — 1/2-1/2 — Tbilisi GEO
7…O-O — 27.4% (549 parties)
1952 — O'Kelly, Albéric de Galway vs Lob, Chris — 1-0 — Belgrade SRB
1955 — Stahlberg, Gideon vs Castaldi, Vincenzo — 1/2-1/2 — Hamburg GER
1965 — Benko, Pal vs Miguel, Nahuel — 1/2-1/2 — Mar del Plata ARG
1965 — Averbakh, Yuri L vs Henneberke, Frans — 1-0 — Hamburg etc
1967 — Bukic, Enver vs Damjanovic, Mato — 1-0 — Skopje MKD
7…f5 — 17.2% (345 parties)
1953 — Stahlberg, Gideon vs Averbakh, Yuri L — 1-0 — Zurich SUI
1964 — Benko, Pal vs Milic, Borislav — 1-0 — Belgrade SRB
1967 — Bukic, Enver vs Matanovic, Anto — 1-0 — Yugoslavia
1967 — Bukic, Enver vs Matanovic, Aleksandar — 1-0 — Kraljevo
1967 — Benko, Pal vs Matanovic, Anto — 1-0 — Winnipeg CAN
7…d5 — 6.4% (128 parties)
1963 — Stahlberg, Gideon vs Ha Tan Thanh — 1-0 — Beverwijk NED
1964 — Benko, Pal vs Cuijpers, Frans Andre — 1/2-1/2 — Tel Aviv ISR
1964 — Benko, Pal vs Parma, Bruno — 1-0 — Belgrade SRB
1965 — Benko, Pal vs Rossolimo, Nicolas — 0-1 — New York ch-USA
1966 — Benko, Pal vs Rossolimo, Nicolas — 1-0 — New York ch-USA