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B25a — Closed
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6
Eval: [-0.20]
Les coups candidats
Ambassadeurs : Parkanyi, Attila (93x), Welz, Peter, Dr. (80x), Bartsch, Berthold (69x), Krapivin, Alexander (68x), Letay, Gyula (61x), Narciso Dublan, Marc (55x), Cross, Gregory W (51x), Pesztericz, Laszlo (50x)
Ambassadeurs : Starostits, Ilmars (91x), Detela, Walter (77x), Bohak, Janko (69x), Rogulj, Branko (67x), Larino Nieto, David (44x), Bastian, Herbert (41x), Barkwell, Michael C (36x), Donev, Ivo (34x)
Ambassadeurs : Tompa, Janos (29x), Chaika, Ivan (16x), Reer, Erdmann (14x), Hug, Werner (12x), Vanek, Petr (12x), Spassky, Boris V. (11x), Spassky, Boris Vasily (11x), Preziuso, Toni (11x)
6.Nh3 — 3.4% (1139 parties)
Ambassadeurs : Frick, Christoph (64x), Bulgarini Torre, Marco (62x), Piersig, Klaus (44x), Uricar, Jakub (19x), Sergeev, Vladimir (18x), Pedersen, Svend (18x), Day, Lawrence A. (16x), Berry, Jonathan (13x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Be3 6.f4 6.Nge2 6.Nh3
<1800 925 47% 35% 12% 2%
1800-2200 13904 51% 34% 10% 3%
2200-2600 11619 46% 38% 8% 5%
2600+ 120 48% 27% 18% 6%
Évolution par décennie (% des parties)
Décennie N parties 6.Be3 6.f4 6.Nge2 6.Nh3
1880s 4 75%
1890s 2 100%
1900s 4 25% 50%
1920s 14 29% 71%
1930s 21 38% 5% 57%
1940s 37 41% 3% 49%
1950s 241 50% 13% 35%
1960s 606 30% 40% 20% 4%
1970s 944 28% 48% 8% 13%
1980s 1927 37% 46% 9% 5%
1990s 7470 46% 40% 8% 3%
2000s 11759 51% 36% 8% 2%
2010s 8771 50% 32% 11% 4%
2020s 1786 52% 27% 15% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Be3 50% 52% ▲ +1.6%
6.f4 32% 27% ▼ -4.8%
6.Nge2 11% 15% ▲ +3.8%
6.Nh3 4% 4% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 9 parties
Karpov, Aleksandr — 9 parties
Lasker, Emanuel — 6 parties
Tal, Mikhail — 4 parties
Botvinnik, Mikhail — 4 parties
Kasparov, Garry — 4 parties
Kramnik, Vladimir — 4 parties
Carlsen, Magnus — 3 parties
Anand, Viswanathan — 2 parties
Ding, Liren — 2 parties
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
6.Be3 — 47.7% (16017 parties)
1890 — Lasker, Emanuel vs Bird, Henry — 1/2-1/2 — Liverpool m
1890 — Lasker, Emanuel vs Bird, Henry — 1/2-1/2 — Liverpool m
1905 — Neumann Feliu, Rodrigo vs Caro, Horatio — 0-1 — Barmen GER
1921 — Mitovsky, K. vs Vecsey, Zoltan — 1/2-1/2 — Brno Morava
1923 — Mieses, Jacques vs Maroczy, Geza — 0-1 — Hastings ENG
6.f4 — 36.2% (12158 parties)
1936 — Atkins, Henry Ernest vs Winter, William — 1/2-1/2 — Yorkshire v Middlesex
1949 — Kaliwoda, Kurt vs Foltys, Jan — 1/2-1/2 — Vienna AUT
1950 — Henneberger, Walter vs Leepin, Peter — 0-1 — Lucerne SUI
1950 — Naidenov, Nikola vs Neikirkh, Oleg — 1/2-1/2 — Sofia BUL
1951 — Neikirkh, Oleg vs Ciejka, Tadeusz — 0-1 — Sopot
6.Nge2 — 9.7% (3252 parties)
1881 — Zukertort, Johannes vs Blackburne, Joseph — 1-0 — London ENG
1887 — Gottschall, Hermann vs Blackburne, Joseph — 0-1 — Frankfurt GER
1889 — White, Max vs Bird, Henry — 1/2-1/2 — New York, NY USA
1905 — Leonhardt, Paul vs Bernstein, Olivia — 1-0 — Barmen GER
1906 — Lasker, Emanuel vs Black, Stuart — 1-0 — USA tour sim
6.Nh3 — 3.4% (1139 parties)
1960 — Aguilera Bazan, Oscar vs Wexler, Bernardo — 0-1 — Sao Paulo BRA
1965 — Benko, Pal vs Zuckerman, Bernard — 0-1 — New York ch-USA
1965 — Suttles, Duncan vs Jamieson, Robert M — 1-0 — Wch U20 f-B Barcelona ESP
1965 — Benko, Pal vs Saidy, Anthony — 0-1 — New York ch-USA
1965 — Suttles, Duncan vs Benko, Pal — 0-1 — New York ch-USA