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B23o — Closed Grand Prix
1.e4 c5 2.Nc3 Nc6 3.f4
Les coups candidats
Ambassadeurs : Koronowski, Heinz-Juergen (48x), Fritsche, Frank (46x), Weeramantry, Sunil (44x), Szell, Lajos (40x), Broadway, Dennis (37x), Pessi, Emil-George (36x), Boronyak, Arpad (36x), Dellenbach, Jean-Paul (36x)
Ambassadeurs : Erlbeck, Peter (16x), Koronowski, Heinz-Juergen (16x), Weeramantry, Sunil (15x), Niebling, Ferdinand (14x), Matras-Clement, Agnieszka (13x), Zinn, Lothar (12x), Haanpaa, Jorma (12x), Nogrady, Vilmos (11x)
Ambassadeurs : Chaves, Joara (15x), Vicas, Marijus (11x), Schuetz, Peter (9x), Niebling, Ferdinand (8x), Horvath, Gabor (8x), Josting, Friedel (8x), Haanpaa, Jorma (7x), Hanke, Leonhard (7x)
3…a6 — 1.0% (321 parties)
Ambassadeurs : Gladyszev, Oleg (4x), Pesa, Mofoka Alfred (4x), Tuncer, Ufuk (3x), Sanchez Sandoval, Gonzalo (3x), San Diego, Marie Antoinette (3x), Bonin, Jay (2x), Pinto, Mark (2x), Mitsopoulos, Efstathios (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…g6 3…e6 3…d6 3…a6
<1800 1797 49% 26% 22% 1%
1800-2200 15947 58% 24% 16% 1%
2200-2600 8181 69% 24% 6% 1%
2600+ 42 69% 29% 2%
Évolution par décennie (% des parties)
Décennie N parties 3…g6 3…e6 3…d6 3…a6
1880s 5 100%
1900s 4 100%
1930s 3 100%
1940s 28 21% 68% 11%
1950s 76 36% 47% 17%
1960s 313 50% 33% 17% 1%
1970s 579 46% 39% 13% 1%
1980s 933 55% 33% 10% 0%
1990s 6675 55% 27% 16% 1%
2000s 11529 59% 24% 15% 1%
2010s 11351 60% 24% 13% 1%
2020s 2017 70% 20% 8% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…g6 60% 70% ▲ +9.6%
3…e6 24% 20% ▼ -4.0%
3…d6 13% 8% ▼ -5.2%
3…a6 1% 1% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 5 parties
Smyslov, Vladimir — 4 parties
Kasparov, Garry — 3 parties
Hou, Yifan — 3 parties
Euwe, Max — 2 parties
Tal, Mikhail — 2 parties
Kramnik, Vladimir — 2 parties
Gukesh D — 2 parties
Lasker, Emanuel — 1 partie
Carlsen, Magnus — 1 partie
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
3…g6 — 58.6% (19652 parties)
1941 — Bluemich, Max vs Palme, Holger — 0-1 — Bad Elster
1941 — Euwe, Max vs Muhring, Willem Jan — 1/2-1/2 — NED
1948 — Habermann, Ewald vs Wolk, Sigmund — 1-0 — Esslingen
1948 — Troianescu, Octav vs Opocensky, Karel — 1/2-1/2 — Karlovy Vary
1949 — Pogrebissky, Iosif vs Novotelnov, Nikolai — 0-1 — Tbilisi GEO
3…e6 — 25.2% (8431 parties)
1883 — Chimenti Fisher, Juan vs MacDonnell, George — 1-0 — London ENG
1887 — Zuckertort, Josef vs Paulsen, Louis — 0-1 — Frankfurt GER
1887 — Zukertort, Johannes vs Paulsen, Louis — 0-1 — It Frankfurt GER
1887 — Zukertort, Johannes vs Paulsen, Louis — 0-1 — Frankfurt GER
1887 — Tarrasch, Siegbert vs Paulsen, Louis — 1-0 — Frankfurt GER
3…d6 — 14.3% (4803 parties)
1948 — Buonpane vs Del Pezzo — 1/2-1/2 — Caserta
1949 — Belmont, Daniel M vs Hendricks, Wade — 1-0 — Berkeley, CA
1949 — Poulsen, Christian vs Hage, Poul — 1-0 — Copenhagen DEN
1951 — Poulsen, Christian vs Pedersen, Eigil — 1/2-1/2 — dkch 51
1952 — Karaklajic, Dimitrije vs Lob, Chris — 1-0 — Belgrade SRB
3…a6 — 1.0% (321 parties)
1964 — Titkos, Jeno vs Szekely, Mihaly — 1/2-1/2 — Budapest HUN
1969 — Beattie, William vs Zalys, Ignas — 0-1 — Lincoln US op
1972 — Thal, Olaf vs Schmidt, Hermann — 1-0 — Krumpa
1975 — Lengyel, Laszlo vs Frink, Ferenc — 1/2-1/2 — Salgotarjan
1978 — Estrada, Antonio vs Shabu, Abdu Matrife — 1/2-1/2 — Mexico City MEX