A26n — Botvinnik System
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nge7 7.Nge2
Eval: [+0.21]
Les coups candidats
7…O-O — 72.3% (1301 parties)
Ambassadeurs : Miezis, Normunds (22x), Lanzani, Paolo (10x), Bischoff, Klaus (9x), Grant, Jonathan I M (8x), Lauer, Roland (8x), Gallagher, Joseph G. (7x), Palladino, Mario (6x), Löschnauer, Rüdiger (6x)
7…Be6 — 15.2% (273 parties)
Ambassadeurs : Reschke, Thomas (4x), McNab, Colin A (3x), Schmidt, Waldemar (2x), Botvinnik, Mikhail (2x), Ribli, Zoltan (2x), Kopec, Danny (2x), Fridjonsson, Julius (2x), Shaw, John (2x)
7…f5 — 3.1% (55 parties)
Ambassadeurs : Benko, Pal (2x), Ornithopoulos, Nikolaos (1x), Cappello, Giovanni (1x), Botvinnik, Mikhail (1x), Byrne, David (1x), Hantke Rolf (1x), Diekmann, Hans-Joachim, Dr. (1x), McGrath Frank (1x)
7…Bg4 — 2.9% (53 parties)
Ambassadeurs : Shtern, Igor (2x), Allor, Chukwuka (2x), Zíta, František (1x), Beni, Alfred (1x), Fischer, Robert J (1x), Fischer, Raphael (1x), Eising, Johannes (1x), Ueter, Heinz-Dieter (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…Be6 7…f5 7…Bg4
<1800 26 81% 4% 4% 8%
1800-2200 727 71% 17% 4% 3%
2200-2600 756 72% 16% 2% 2%
2600+ 20 60% 15% 5%
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…Be6 7…f5 7…Bg4
1950s 1 100%
1960s 31 65% 16% 13%
1970s 45 80% 16%
1980s 79 77% 10% 3% 4%
1990s 339 73% 17% 2% 3%
2000s 532 72% 17% 2% 3%
2010s 672 72% 14% 4% 3%
2020s 100 68% 17% 2% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 72% 68% ▼ -4.2%
7…Be6 14% 17% ▲ +3.5%
7…f5 4% 2% ▼ -2.2%
7…Bg4 3% 3% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 4 parties
Kasparov, Garry — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
7…O-O — 72.3% (1301 parties)
1960 — Uhlmann, Wolfgang vs Kholmov, Ratmir D — 1-0 — Moscow RUS
1960 — Lombardy, William J vs Malich, Burkhard, Dr. — 1-0 — Leningrad RUS
1962 — Seliger, Bedrich vs Smejkal, Jan — 0-1 — Sternberk
1962 — Byrne, David vs Penrose, Justin — 1/2-1/2 — Mar del Plata ARG
1962 — Eliskases, Erich vs Benzaquen Friedman, Amitay — 1-0 — Argentina
7…Be6 — 15.2% (273 parties)
1965 — Botvinnik, Mikhail vs Kort, Jacob — 1-0 — Noordwijk
1965 — Botvinnik, Mikhail vs De Kort, Bart — 1-0 — Noordwijk
1966 — Wotulo, Max vs Kinzel, Anton — 1/2-1/2 — Havana CUB
1969 — Schmidt, Waldemar vs Jansa, Vlastimil — 0-1 — Polanica Zdroj POL
1969 — De Veauce, Louis vs Haygarth, Michael J — 0-1 — Rhyl ch-BCF
7…f5 — 3.1% (55 parties)
1966 — Byrne, David vs Benko, Pal — 0-1 — New York, NY USA
1968 — Ornithopoulos, Nikolaos vs Cappello, Giovanni — 0-1 — Lugano olm
1968 — Benko, Pal vs Botvinnik, Mikhail — 0-1 — Monte Carlo MNC
1968 — Hantke Rolf vs Diekmann, Hans-Joachim, Dr. — 0-1 — Hagen
1986 — Delaney, Ann Teresa vs Ribeiro, Regina — 1/2-1/2 — Dubai ol women
7…Bg4 — 2.9% (53 parties)
1956 — Zíta, František vs Beni, Alfred — 1-0 — Marianske Lazne
1986 — Fischer, Robert J vs Shtern, Igor — 0-1 — Midwest Masters op
1986 — Fischer, Raphael vs Shtern, Igor — 0-1 — Philadelphia, PA USA
1989 — Eising, Johannes vs Ueter, Heinz-Dieter — 0-1 — GER
1990 — Tomaszewski, Roman vs Bartak, Vladimir — 1/2-1/2 — Sumperk