A61b —
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.h3
Les coups candidats
7…Bg7 — 79.1% (1758 parties)
Ambassadeurs : Grabarczyk, Miroslaw (17x), Wedberg, Tom (14x), Gashimov, Vugar (10x), Spraggett, Kevin (8x), Krasenkow, Michal (8x), Zakharevich, Igor (7x), Gerhards, Guntis (7x), Blagojevic, Dragisa (7x)
7…a6 — 19.2% (426 parties)
Ambassadeurs : Suba, Mihai (16x), Emms, John M (11x), De Firmian, Nick (7x), Cramling, Pia (7x), Daurelle, Herve (6x), Franco Ocampos, Zenon (5x), Spraggett, Kevin (5x), Lalic, Bogdan (5x)
7…Qe7 — 1.3% (29 parties)
Ambassadeurs : Shulman, Yury (2x), Flear, Christine (2x), Muraviev S (1x), Poljakevich S (1x), Lyrberg, Patrik (1x), Liberg Enright, Katarina Alicia (1x), Baer, Soeren, Dr. (1x), Koehler, Ronald (1x)
7…b5 — 0.2% (5 parties)
Ambassadeurs : Fedoseev, Vladimir (1x), Dubov, Daniil (1x), Ponomariov, Ruslan (1x), Matlakov, Maxim (1x), Blagojevic, Dr (1x), Ivanisevic, Ivan (1x), Antic, Dejan (1x), Balokas, Dimitrios (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bg7 7…a6 7…Qe7 7…b5
<1800 29 90% 10%
1800-2200 528 87% 11% 1%
2200-2600 1450 76% 22% 1% 0%
2600+ 89 72% 26% 2%
Évolution par décennie (% des parties)
Décennie N parties 7…Bg7 7…a6 7…Qe7 7…b5
1950s 1 100%
1960s 1 100%
1970s 1 100%
1980s 6 100%
1990s 432 76% 23% 1%
2000s 705 73% 26% 2%
2010s 794 82% 16% 1% 1%
2020s 282 90% 8% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bg7 82% 90% ▲ +7.8%
7…a6 16% 8% ▼ -7.6%
7…Qe7 1% 0% ▼ -1.0%
7…b5 1% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 7 parties
Kramnik, Vladimir — 2 parties
Karpov, Aleksandr — 2 parties
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7…Bg7 — 79.1% (1758 parties)
1959 — Jakir Hussain vs Gaprindashvili, Nona — 1-0 — USSR ch wmn
1969 — Magrin, Antonio vs Schichtel, Heinz — 1-0 — Imperia
1973 — Walters Morey, Nicolas Andre vs Oppedal, David — 0-1 — Davis
1985 — Miana, Elias vs Grinberg, Ricardo — 0-1 — Buenos Aires ARG
1988 — Gerlach-Buedinger, Manuela vs Wallinger, Manfred — 0-1 — Nuerenberg GER
7…a6 — 19.2% (426 parties)
1990 — Morovic Fernandez, Ivan vs Illescas Cordoba, Miguel — 1/2-1/2 — ?
1990 — Karpov, Anatoly vs De Firmian, Nick — 1-0 — Biel/SW,33,24
1990 — Karpov, Aleksandr vs De Firmian, Nick — 1-0 — Biel SUI
1990 — Chernin, Alexander vs Wahls, Matthias — 1-0 — Dortmund GER
1991 — Stohl, Igor vs Maus, Siegfried — 1-0 — Duitsland tt
7…Qe7 — 1.3% (29 parties)
1994 — Shulman, Yury vs Lyrberg, Patrik — 1-0 — Minsk BLR
1994 — Shulman, Yury vs Liberg Enright, Katarina Alicia — 1-0 — Memorial I.Boleslavs
1997 — Muraviev S vs Poljakevich S — 1/2-1/2 — corr RUS tt
1999 — Baer, Soeren, Dr. vs Koehler, Ronald — 1/2-1/2 — GER
2001 — Toulzac, Pierre-Yves vs Lupu, Mircea-Sergiu — 0-1 — Paris FRA
7…b5 — 0.2% (5 parties)
2016 — Ponomariov, Ruslan vs Matlakov, Maxim — 0-1 — Tallinn EST
2017 — Fedoseev, Vladimir vs Dubov, Daniil — 1-0 — Moscow RUS
2017 — Blagojevic, Dr vs Ivanisevic, Ivan — 0-1 — Hersonissos GRE
2018 — Antic, Dejan vs Balokas, Dimitrios — 1-0 — Heraklion GRE
2023 — Altini, Nicola vs Lanzani, Mario Lorenzo — 1-0 — Bacoli ITA