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E17h — Opovcensky Variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Bd2
Eval: [+0.22]
Les coups candidats
Ambassadeurs : Naumkin, Igor (14x), Timoshenko, Georgy (11x), Abramovic, Bosko (11x), Salov, Valery (10x), Karpov, Anatoly (10x), Timoscenko, Gennadij (9x), Ionov, Sergey (9x), Pinter, Jozsef (8x)
Ambassadeurs : Naumkin, Igor (5x), Lalic, Bogdan (5x), Volodin, Viktor (5x), Razuvaev, Yuri S (4x), Tukmakov, Vladimir B (4x), Janisch, Manfred (4x), Pérez López, Alberto (4x), Andersson, Ulf (3x)
Ambassadeurs : Naumkin, Igor (11x), Rozentalis, Eduardas (8x), Korchnoi, Viktor (6x), Schindler, Sven (6x), Drei, Andrea (5x), Tiviakov, Sergei (5x), Epishin, Vladimir (5x), Matanovic, Aleksandar (4x)
7…d5 — 6.4% (126 parties)
Ambassadeurs : Benko, Pal (6x), Alekseev, Evgeny (6x), Dervishi, Erald (5x), Janosevic, Dragoljub (4x), Kevický, Martin (4x), ? (3x), Epishin, Vladimir (3x), Kovacevic, Aleksandar (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 11 36% 27% 18%
1800-2200 272 25% 42% 14% 8%
2200-2600 1281 38% 26% 19% 5%
2600+ 171 42% 18% 18% 10%
Évolution par décennie (% des parties)
Décennie N parties 7…Bf6 7…O-O 7…f5 7…d5
1930s 4
1940s 4 50%
1950s 5 40% 20%
1960s 28 4% 29% 21% 25%
1970s 92 24% 23% 2% 16%
1980s 224 51% 21% 12% 8%
1990s 490 49% 20% 20% 3%
2000s 479 31% 28% 25% 6%
2010s 559 33% 37% 13% 6%
2020s 97 22% 28% 11% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bf6 33% 22% ▼ -10.9%
7…O-O 37% 28% ▼ -9.0%
7…f5 13% 11% ▼ -2.1%
7…d5 6% 11% ▲ +5.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 5 parties
Carlsen, Magnus — 4 parties
Anand, Viswanathan — 3 parties
Smyslov, Vladimir — 3 parties
Tal, Mikhail — 2 parties
Alekhine, Alexander — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7…Bf6 — 36.7% (728 parties)
1969 — Ivkov, Borislav vs Rossolimo, Nicolas — 1/2-1/2 — Vrsac SRB
1971 — Smyslov, Vladimir vs Olafsson, Fridrik — 1-0 — Moscow RUS
1973 — Reshevsky, Samuel vs Smyslov, Vladimir — 1/2-1/2 — Petropolis izt
1974 — Kertesz, Alfred vs Voiculescu, Paul — 1/2-1/2 — Bucharest ROU
1974 — Korchnoi, Viktor vs Karpov, Aleksandr — 1/2-1/2 — Moscow RUS
7…O-O — 27.3% (542 parties)
1952 — OKelly, Michael vs Lob, Chris — 1-0 — Belgrade SRB
1955 — Stahlberg, Gideon vs Castaldi, Vincenzo — 1/2-1/2 — Hamburg GER
1965 — Averbakh, Yuri L vs Henneberke, Frans — 1-0 — Hamburg etc
1965 — Benko, Pal vs Najdorf, Miguel — 1/2-1/2 — Mar del Plata ARG
1967 — Bukic, Enver vs Damjanovic, Marko — 1-0 — Skopje MKD
7…f5 — 17.2% (341 parties)
1943 — Alekhine, Alexander vs Lokvenc, Josef — 1-0 — Prague CZE
1947 — Gruenfeld, Ernst vs Keller, Hans — 1/2-1/2 — Vienna AUT
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, Aleksandar — 1-0 — Yugoslavia
7…d5 — 6.4% (126 parties)
1963 — Stahlberg, Gideon vs Armoon Tan, Hooman — 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, NY USA