E70v — Accelerated Averbakh (1954)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bg5 O-O 6.Qd2
Les coups candidats
6…c5 — 42.7% (510 parties)
Ambassadeurs : Nikolaidis, Ioannis NA (15x), Milov, Vadim (8x), Gasanov, Eldar (8x), Rajkovic, Dusan (6x), Golz, Werner (4x), Smirnov, Valerij (3x), Istratescu, Andrei (3x), Hottes, Dieter (3x)
6…Nbd7 — 17.8% (212 parties)
Ambassadeurs : Crouch, Colin S (3x), Ipatov, Alexander (3x), Olsson, Ake (2x), Pietzsch, Wolfgang (2x), Manor, Ilan (2x), Har-Zvi, Ronen (2x), Aleksandrov, Viktor A. (2x), Csizmadia, Csaba (2x)
6…Na6 — 11.9% (142 parties)
Ambassadeurs : Nikolaidis, Ioannis NA (8x), Crouch, Colin S (3x), Sokolov, Ivan (3x), Bykhovsky, Anatoly A (2x), Ye, Jiangchuan (2x), Randall, Paul (2x), Rajlich, Vasik (2x), Ruiz, Richard (2x)
6…c6 — 9.3% (111 parties)
Ambassadeurs : Nijboer, Friso (2x), Matikozian, Andranik (2x), Ermenkov, Evgenij (2x), Cruz, Raul C. (1x), De Las Heras, Juan Carlos (1x), O'Kelly de Galway, Alberic (1x), Caetano, Pedro de Mendonca (1x), Dydyshko, Viacheslav (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…c5 6…Nbd7 6…Na6 6…c6
<1800 48 35% 19% 2% 8%
1800-2200 343 43% 19% 8% 10%
2200-2600 587 44% 16% 16% 10%
2600+ 23 57% 9% 26% 4%
Évolution par décennie (% des parties)
Décennie N parties 6…c5 6…Nbd7 6…Na6 6…c6
1950s 19 79% 11%
1960s 55 58% 25% 2% 4%
1970s 10 30% 50% 20%
1980s 45 38% 27% 16%
1990s 263 34% 19% 12% 11%
2000s 419 42% 17% 13% 10%
2010s 332 45% 15% 15% 8%
2020s 50 52% 14% 8% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…c5 45% 52% ▲ +7.1%
6…Nbd7 15% 14% ▼ -1.4%
6…Na6 15% 8% ▼ -7.1%
6…c6 8% 4% ▼ -3.5%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie
Carlsen, Magnus — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
6…c5 — 42.7% (510 parties)
1955 — Werchan, Hans, Dr. vs Barwich, Alfred — 1-0 — Zittau
1955 — Sandrin, Albert vs Kovacs, Zoltan — 1-0 — ?
1955 — Reinhardt, Heinrich vs Idigoras Guisasola, Gregorio — 1-0 — Buenos Aires ARG
1956 — Abanin, Vladimir vs Petrosian, Tigran V. — 1/2-1/2 — Tbilisi GEO
1956 — Mostafavee, M. vs Soos, Bela — 0-1 — Moskou olm
6…Nbd7 — 17.8% (212 parties)
1959 — Harmon, Clark vs Sholomson, Steven — 1-0 — Lancaster, CA
1959 — Golz, Werner vs Pietzsch, Wolfgang — 1/2-1/2 — Dresden GER
1960 — Pietzsch, Wolfgang vs Gligoric, Sofija — 1-0 — Madrid zt
1961 — Baumbach, Friedrich, Dr. vs Ben Rehouma, Hachemi — 1-0 — Helsinki FIN
1961 — Olafsson, Fridrik vs Niemela, Ilmari Aarne — 1/2-1/2 — Marianske Lazne
6…Na6 — 11.9% (142 parties)
1964 — Alencastro, Mario vs Toth, Peter — 1-0 — Rio de Janeiro BRA
1990 — Ruf, Matthias vs Giertz, Niklaus — 1-0 — Bad Ragaz SUI
1992 — Markov, Jurij vs Sutovsky, Emil — 1/2-1/2 — Budapest HUN
1992 — Horvath, Csaba vs David, Alberto — 1-0 — Eurodata Budapest HUN
1993 — Tosic, Marko vs Markovic, Maj — 1/2-1/2 — Kladovo zt
6…c6 — 9.3% (111 parties)
1960 — O'Kelly de Galway, Alberic vs Caetano, Pedro de Mendonca — 1-0 — Tarragona
1964 — Cruz, Raul C. vs De Las Heras, Juan Carlos — 1-0 — Buenos Aires ARG
1978 — Bank, Mordechai vs Malozemlina, Vera — 0-1 — Tel Aviv ISR
1979 — Pylvanainen, Veli Matti vs Rintamaenpaa, Reijo — 1-0 — ?
1984 — Alliston, Richard vs Thorsen, K. — 1-0 — Plymouth ch-MI op