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B23b — Closed
1.e4 c5 2.Nc3 g6
Les coups candidats
3.f4 — 34.9% (3004 parties)
Ambassadeurs : Lyell, Mark (15x), Habibi, Ali (10x), Kayser, Felix (10x), Dragojlovic, Andjelko (9x), Snape, Ian L (8x), Stokke, Kjetil (7x), Nguyen Thi Mai Hung (7x), Burke, Mitchell R (7x)
3.g3 — 34.2% (2940 parties)
Ambassadeurs : Parkanyi, Attila (11x), Bilek, Istvan (8x), Topi-Hulmi, Teemu (8x), Rangel, Daniel (8x), Certek, Pavel (7x), Korbut, Ekaterina (6x), Houska, Jovanka (6x), Mossong, Hubert (6x)
3.d4 — 10.1% (870 parties)
Ambassadeurs : Lyell, Mark (9x), Guseinov, Gadir (9x), Maroroa Jones, Gawain C B (7x), Heberla, Bartlomiej (7x), Loukopoulos, Panagiotis-Athanasi (6x), Snape, Ian L (5x), Popov, Vladimir Valentinovich (5x), Abergel, Thal (4x)
3.Nf3 — 9.9% (851 parties)
Ambassadeurs : Nuber, Korbinian, Dr. (9x), Mitkov, Nikola (7x), Topalov, Veselin (5x), Zezulkin, Jurij (4x), Dehaybe, Andre (4x), Svidler, Peter (3x), Wojtkiewicz, Aleksander (3x), Heberla, Bartlomiej (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.f4 3.g3 3.d4 3.Nf3
<1800 607 42% 32% 5% 7%
1800-2200 4266 38% 36% 9% 7%
2200-2600 2158 30% 30% 18% 14%
2600+ 39 15% 10% 26% 26%
Évolution par décennie (% des parties)
Décennie N parties 3.f4 3.g3 3.d4 3.Nf3
1880s 3 33% 33% 33%
1900s 1 100%
1910s 1 100%
1920s 3 67% 33%
1940s 8 62% 12%
1950s 34 6% 47% 9% 9%
1960s 75 27% 44% 8% 12%
1970s 99 24% 53% 5% 10%
1980s 137 27% 42% 6% 18%
1990s 951 27% 48% 5% 8%
2000s 2345 34% 37% 8% 11%
2010s 3972 40% 31% 9% 9%
2020s 974 29% 23% 27% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.f4 40% 29% ▼ -11.3%
3.g3 31% 23% ▼ -8.0%
3.d4 9% 27% ▲ +18.5%
3.Nf3 9% 9% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 4 parties
Euwe, Max — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
3.f4 — 34.9% (3004 parties)
1881 — Zukertort, Johannes vs Blackburne, Joseph — 1-0 — London ENG
1954 — Szabo, Stefan vs Pachman, Ludek — 0-1 — Bucharest ROU
1956 — Dreibergs, Leonid vs Bisguier, Arthur B — 0-1 — Detroit, MI USA
1960 — Zinn, Lothar vs Drimer, Dolfi — 0-1 — Leningrad RUS
1960 — Perez Alcocer, Jose vs Wexler, Bernardo — 0-1 — Sao Paulo zt
3.g3 — 34.2% (2940 parties)
1881 — Zukertort, Johannes vs Blackburne, Joseph — 1-0 — London ENG
1911 — Blackburne, Joseph vs Parry, J Ellis — 1-0 — Glasgow SCO
1924 — Holloway, Edith M vs Gibaud, Amedee — 0-1 — Paris FRA
1927 — Brinckmann, Alfred vs Carls, Carl — 1/2-1/2 — Bremen GER
1942 — Rey Ardid, Ramon vs Arana Fuentes, Juliette Alaia — 1-0 — Madrid m ch-ESP
3.d4 — 10.1% (870 parties)
1888 — Von Bardeleben, Curt vs Mortimer, James — 0-1 — Bradford/ Yorkshire
1909 — Parry, John Ellis vs Regan, William Henry — 1-0 — Scarborough ENG
1947 — Kasparian, Genrikh vs Keres, Paul — 0-1 — Leningrad ch-URS
1952 — Grob, Henry vs Bronstein, David I — 0-1 — Helsinki FIN
1953 — Joppen, Egon vs Heemsoth, Hermann — 1/2-1/2 — Berlin GER
3.Nf3 — 9.9% (851 parties)
1928 — Saemisch, Friedrich vs Bogoljubow, Efim — 1/2-1/2 — Berlin GER
1955 — Ivkov, Borislav vs Pachman, Ludek — 1-0 — Buenos Aires ARG
1955 — Barta, Jan vs Sabata, Miroslav — 1-0 — Prague CZE
1956 — Herink, Miroslav vs Zita, Frantisek — 0-1 — Podebrady CZE
1960 — De Castro Rubio, Dora vs Efremoff Taya — 1-0 — So Paulo