E17k - 7…Bf6 - Opovcensky (1969)

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E17k — Opovcensky (1969)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Bd2 Bf6
Les coups candidats
8.O-O — 68.7% (503 parties)
Ambassadeurs : Naumkin, Igor (11x), Timoscenko, Gennadij (8x), Salov, Valery (8x), Karpov, Anatoly (7x), Magerramov, Elmar (7x), Pinter, Jozsef (6x), Ribli, Zoltan (6x), Van der Wiel, John T.H. (5x)
8.Qc2 — 23.5% (172 parties)
Ambassadeurs : Karpov, Anatoly (9x), Timoshenko, Georgy (5x), Khalifman, Alexander (4x), Ehlvest, Jaan (4x), Goldberg, Alexander, Dr. (3x), Jussupow, Artur (3x), Browne, Walter Shawn (3x), Abramovic, Bosko (3x)
8.Rc1 — 6.7% (49 parties)
Ambassadeurs : Hecht, Hans-Joachim (2x), Rajkovic, Dusan (1x), Parma, Bruno (1x), Renman, Nils-Gustaf (1x), Bergstrom, Christer (1x), Jussupow, Artur (1x), Andrianov, Nikolai (1x), Lukacs, Peter (1x)
8.Nh4 — 0.7% (5 parties)
Ambassadeurs : Du Cret, Rene P (1x), Eklund, David C. (1x), Skeels, James B (1x), Williamson, James (1x), Antonsen, Mikkel (1x), Aaberg, Anton (1x), Ivanchuk, Vasyl (1x), Xu, Jun (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O 8.Qc2 8.Rc1 8.Nh4
<1800 11 100% — — —
1800-2200 112 80% 16% 4% —
2200-2600 472 66% 25% 8% 0%
2600+ 63 52% 41% 5% 2%
Évolution par décennie (% des parties)
Décennie N parties 8.O-O 8.Qc2 8.Rc1 8.Nh4
1960s 1 — — — —
1970s 22 55% 32% 14% —
1980s 115 74% 11% 15% —
1990s 238 60% 33% 4% 2%
2000s 149 71% 25% 4% —
2010s 182 76% 18% 7% —
2020s 25 76% 20% 4% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 76% 76% +0.2%
8.Qc2 18% 20% ▲ +2.4%
8.Rc1 7% 4% ▼ -2.6%
8.Nh4 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kasparov, Garry — 5 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
8.O-O — 68.7% (503 parties)
1971 — Smyslov, Vasily vs Olafsson, Fridrik — 1-0 — Moscow RUS
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
1974 — Kertesz, Alfred vs Voiculescu, Paul — 1/2-1/2 — Bucharest ROU
1976 — Goormachtigh, Johan vs Bergstrom, Christer — 1/2-1/2 — Winterthur
8.Qc2 — 23.5% (172 parties)
1973 — Rapaka Samuel Paul vs Smyslov, Vasily — 1/2-1/2 — Petropolis izt
1975 — Petrosian, Tigran V. vs Karpov, Anatoly — 1/2-1/2 — Milan ITA
1975 — Petrosian, Tigran A. vs Karpov, Aleksandr — 1/2-1/2 — Milaan m sf
1975 — Petrosian, Tigran V. vs Karpov, Anatoly — 1/2-1/2 — Milan ITA
1975 — Vooremaa, Andres vs Kayumov, Dmitry D — 1/2-1/2 — Riga LAT
8.Rc1 — 6.7% (49 parties)
1977 — Marovic, Drazen vs Jelen, Iztok — 1/2-1/2 — Maribor
1977 — Goodman, David S C vs Iten, Peter — 1/2-1/2 — Bexbach
1979 — Rajkovic, Dusan vs Parma, Bruno — 1/2-1/2 — Donji Milanovac
1981 — Jussupow, Artur vs Andrianov, Nikolai — 1-0 — Moscow RUS
1981 — Tatai, Stefano vs Toth, Balazs — 0-1 — Budva zt
8.Nh4 — 0.7% (5 parties)
1990 — Ivanchuk, Vasyl vs Xu, Jun — 1-0 — Novi Sad olm
1991 — Skeels, James B vs Williamson, James — 1-0 — US National Tch#1-16 9193
1991 — Antonsen, Mikkel vs Aaberg, Anton — 1/2-1/2 — Copenhagen DEN
1992 — Al-Khateeb, Ahmed vs Read, Michael John — 1/2-1/2 — corr ICCF
1995 — Du Cret, Rene P vs Eklund, David C. — 1-0 — ?