E17e —
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 O-O 7.Qc2 c5
Les coups candidats
8.d5 — 89.0% (282 parties)
Ambassadeurs : Korchnoi, Viktor (6x), Korotylev, Alexey (5x), Banikas, Hristos (4x), Deforel, Jorge Eduardo (4x), Karpov, Aleksandr (3x), Czerwonski, Aleksander (3x), Stefansson, Hannes (3x), Adams, Michael (3x)
8.dxc5 — 7.3% (23 parties)
Ambassadeurs : Kamenetsky (1x), Bolbochan, J. (1x), Knezevic, Milorad (1x), Lechtynsky, Jiri (1x), Hille, Ralph Ingo (1x), Gottschlich, Carsten (1x), Alfredsson, Ove (1x), Umberg, Voldemar (1x)
8.O-O — 2.2% (7 parties)
Ambassadeurs : Herz, Enrique (1x), Diani, Jose Angel (1x), Gallagher, Joseph G. (1x), Wells, Ian D (1x), Wright, Barry (1x), Power, Mike (1x), Kaposztas, Miklos (1x), Dub, Zeev (1x)
8.e4 — 1.3% (4 parties)
Ambassadeurs : Hlavac, Peter (1x), Petrik, Tomas (1x), Pasku, Llambi (1x), Adean Ossma Nassr Mohammed (1x), Stiepan, Hans-Michael (1x), Toews, Manuel (1x), Nobili, Denis (1x), Forgues, Valerie (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.d5 8.dxc5 8.O-O 8.e4
<1800 6 50% 33% 17%
1800-2200 80 82% 10% 2% 4%
2200-2600 152 92% 5% 2% 1%
2600+ 27 96% 4%
Évolution par décennie (% des parties)
Décennie N parties 8.d5 8.dxc5 8.O-O 8.e4
1930s 3 100%
1940s 6 100%
1950s 1 100%
1960s 2 50% 50%
1970s 14 93% 7%
1980s 13 92% 8%
1990s 42 81% 14% 2% 2%
2000s 96 89% 8% 2%
2010s 117 91% 4% 2% 3%
2020s 23 91% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.d5 91% 91% -0.1%
8.dxc5 4% 9% ▲ +4.4%
8.O-O 2% 0% ▼ -1.7%
8.e4 3% 0% ▼ -2.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Aleksandr — 3 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Ding, Liren — 1 partie
Parties historiques
8.d5 — 89.0% (282 parties)
1930 — Ravinsky, Grigory vs Botvinnik, Mikhail — 1/2-1/2 — Leningrad RUS
1931 — Pirc, Vasja vs Colle, Edgar — 0-1 — Bled SLO
1938 — Bergraser, Volf vs Raizman, Maurice — 0-1 — FRA-ch Nice FRA
1940 — Guimard, Carlos E vs Rebizzo, Cayetano — 1-0 — Buenos Aires ARG
1942 — Maderna, Carlos vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG
8.dxc5 — 7.3% (23 parties)
1959 — Kamenetsky vs Bolbochan, J. — 0-1 — Buenos Aires ARG
1973 — Knezevic, Milorad vs Lechtynsky, Jiri — 1/2-1/2 — Luhacovice CZE
1993 — Wohlfahrt, Herbert vs Ninaus, Michael — 1-0 — OST-chJ/U-20
1995 — Hille, Ralph Ingo vs Gottschlich, Carsten — 1-0 — Muenster GER
1995 — Alfredsson, Ove vs Umberg, Voldemar — 1/2-1/2 — corr Nordbalt Senior
8.O-O — 2.2% (7 parties)
1966 — Herz, Enrique vs Diani, Jose Angel — 1/2-1/2 — Cordoba ARG
1981 — Gallagher, Joseph G. vs Wells, Ian D — 0-1 — Sutton
1998 — Wright, Barry vs Power, Mike — 0-1 — IECC
2001 — Kaposztas, Miklos vs Dub, Zeev — 1/2-1/2 — Budapest HUN
2008 — Pilimon, Zbigniew vs Zinczuk, Leon — 1/2-1/2 — Bialystok
8.e4 — 1.3% (4 parties)
1999 — Hlavac, Peter vs Petrik, Tomas — 0-1 — SVK-ch Nove Zamky SVK
2010 — Stiepan, Hans-Michael vs Toews, Manuel — 1/2-1/2 — Ditzingen
2012 — Nobili, Denis vs Forgues, Valerie — 1-0 — Pau
2014 — Pasku, Llambi vs Adean Ossma Nassr Mohammed — 0-1 — Tromso NOR