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 — 79.3% (1810 parties)
Ambassadeurs : Grabarczyk, Miroslaw (18x), Wedberg, Tom (14x), Indjic, Aleksandar (9x), Gashimov, Vugar (8x), Krasenkow, Michal (8x), Blagojevic, Dragisa (7x), Zakharevich, Igor (6x), Spraggett, Kevin (6x)
7…a6 — 19.0% (433 parties)
Ambassadeurs : Suba, Mihai (16x), Emms, John M (11x), Cramling, Pia (7x), De Firmian, Nick (7x), Spraggett, Kevin (5x), Franco Ocampos, Zenon (5x), Hall, Jesper (5x), Kovacevic, Slobodan (4x)
7…Qe7 — 1.3% (29 parties)
Ambassadeurs : Shulman, Yury (2x), Flear, Christine (2x), Liberg (1x), Baer, Soeren, Dr. (1x), Koehler, Ronald (1x), Muraviev, Sergey K (1x), Polyakevich, StanislavGeorg'vich (1x), Lyrberg, Patrik (1x)
7…b5 — 0.3% (6 parties)
Ambassadeurs : Ponomariov, Ruslan (1x), Matlakov, Maxim (1x), Blagojevic, Dr (1x), Ivanisevic, Ivan (1x), Fedoseev, Vladimir (1x), Dubov, Daniil (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 61 90% 10%
1800-2200 641 88% 11% 1%
2200-2600 1397 76% 22% 1% 0%
2600+ 88 69% 30% 1%
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 436 76% 23% 1%
2000s 706 73% 26% 2%
2010s 797 82% 16% 1% 1%
2020s 334 90% 8% 0% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bg7 82% 90% ▲ +7.8%
7…a6 16% 8% ▼ -7.6%
7…Qe7 1% 0% ▼ -1.1%
7…b5 1% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 7 parties
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 1 partie
Parties historiques
7…Bg7 — 79.3% (1810 parties)
1959 — Jakir Hussain vs Gaprindashvili, Nona — 1-0 — USSR ch wmn
1969 — Magrin, Antonio vs Schichtel, Heinz — 1-0 — Imperia
1973 — Walters, Nicola vs Oppedal, David — 0-1 — Davis
1985 — Miana, Elias vs Grinberg, Ricardo — 0-1 — Buenos Aires ARG
1988 — Soppe, Guillermo vs Garbarino, Rodolfo — 1-0 — Buenos Aires ch-ARG
7…a6 — 19.0% (433 parties)
1990 — Chernin, Alexander vs Wahls, Matthias — 1-0 — Dortmund GER
1990 — Morovic Fernandez, Ivan vs Illescas Cordoba, Miguel — 1/2-1/2 — ?
1990 — Karpov, Anatoly vs De Firmian, Nick — 1-0 — Biel SUI
1990 — Karpov, Anatoly vs De Firmian, Nick — 1-0 — Biel/SW,33,24
1991 — Garcia Ilundain, David vs Magerramov, Elmar — 0-1 — Nimes
7…Qe7 — 1.3% (29 parties)
1994 — Shulman, Yury vs Liberg — 1-0 — Memorial I.Boleslavs
1994 — Shulman, Yury vs Lyrberg, Patrik — 1-0 — Minsk BLR
1997 — Muraviev, Sergey K vs Polyakevich, StanislavGeorg'vich — 1/2-1/2 — corr RUS tt
1999 — Baer, Soeren, Dr. vs Koehler, Ronald — 1/2-1/2 — GER
2001 — Jovanic, Ognjen vs Palkovi, Jozsef — 0-1 — Rijeka
7…b5 — 0.3% (6 parties)
2016 — Ponomariov, Ruslan vs Matlakov, Maxim — 0-1 — Tallinn EST
2017 — Blagojevic, Dr vs Ivanisevic, Ivan — 0-1 — Hersonissos GRE
2017 — Fedoseev, Vladimir vs Dubov, Daniil — 1-0 — Moscow RUS
2018 — Antic, Dejan vs Balokas, Dimitrios — 1-0 — Heraklion GRE
2023 — Altini, Nicola vs Lanzani, Mario Lorenzo — 1-0 — Bacoli ITA