E17k — Opovcensky
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Bd2 Bf6
Eval: [+0.38]
Les coups candidats
8.O-O — 68.5% (499 parties)
Ambassadeurs : Naumkin, Igor (11x), Timoscenko, Gennadij (8x), Salov, Valery (8x), Magerramov, Elmar (7x), Pinter, Jozsef (6x), Timoshenko, Georgy (6x), Ionov, Sergey (6x), Van der Wiel, John T.H. (5x)
8.Qc2 — 23.5% (171 parties)
Ambassadeurs : Karpov, Anatoly (7x), Gyimesi, Zoltan (6x), Khalifman, Alexander (5x), Timoshenko, Georgy (5x), Abramovic, Bosko (5x), Romanishin, Oleg M (5x), Almasi, Zoltan (4x), Ehlvest, Jaan (4x)
8.Rc1 — 6.9% (50 parties)
Ambassadeurs : Tatai, Stefano (2x), Hecht, Hans-Joachim (2x), Rajkovic, Dusan (1x), Parma, Bruno (1x), Jussupow, Artur (1x), Andrianov, Nikolai (1x), Lukacs, Peter (1x), Ligterink, Gert (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 4 100%
1800-2200 69 87% 10% 3%
2200-2600 492 67% 24% 9% 0%
2600+ 72 53% 42% 4% 1%
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 114 74% 11% 16%
1990s 239 60% 33% 4% 2%
2000s 149 71% 25% 4%
2010s 182 76% 18% 7%
2020s 21 76% 19% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 76% 76% +0.4%
8.Qc2 18% 19% ▲ +1.5%
8.Rc1 7% 5% ▼ -1.8%
8.Nh4 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 8 parties
Kasparov, Garry — 4 parties
Tal, Mikhail — 2 parties
Smyslov, Vladimir — 2 parties
Anand, Viswanathan — 1 partie
Parties historiques
8.O-O — 68.5% (499 parties)
1971 — Smyslov, Vladimir vs Olafsson, Fridrik — 1-0 — Moscow RUS
1974 — Kertesz, Alfred vs Voiculescu, Paul — 1/2-1/2 — Bucharest ROU
1974 — Korchnoi, Viktor vs Karpov, Aleksandr — 1/2-1/2 — Moscow RUS
1974 — Keene, Raymond D vs Kholmov, Ratmir D — 1/2-1/2 — Tbilisi GEO
1976 — Goormachtigh, Johan vs Bergstrom, Christer — 1/2-1/2 — Winterthur
8.Qc2 — 23.5% (171 parties)
1973 — Reshevsky, Samuel vs Smyslov, Vladimir — 1/2-1/2 — Petropolis izt
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
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
8.Rc1 — 6.9% (50 parties)
1977 — Goodman, David S C vs Iten, Peter — 1/2-1/2 — Bexbach
1977 — Marovic, Drazen vs Jelen, Iztok — 1/2-1/2 — Maribor
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, Bela — 1-0 — Budva MNE
8.Nh4 — 0.7% (5 parties)
1990 — Ivanchuk, Vasyl vs Xu, Jun — 1-0 — Novi Sad SRB
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 — ?