A13f — English (1949)
1.c4 e6 2.Nc3 Bb4
Les coups candidats
3.Qb3 — 21.3% (228 parties)
Ambassadeurs : Rozentalis, Eduardas (15x), Huss, Andreas (8x), Gulko, Boris (3x), Drasko, Milan (3x), Portisch, Lajos (2x), Bodo, Norbert (2x), Martens, Martin (2x), Maksimovic, Branimir (2x)
3.e4 — 20.0% (214 parties)
Ambassadeurs : Rozentalis, Eduardas (7x), Luczak, Andrzej (3x), Van der Wiel, John T.H. (3x), Backe, Peter (3x), Peralta, Fernando (3x), Tal, Mikhail (2x), Plachetka, Jan (2x), Hodgson, Julian M (2x)
3.Nf3 — 16.8% (180 parties)
Ambassadeurs : Uhlmann, Wolfgang (8x), Bronstein, David I (5x), Huss, Andreas (4x), Taimanov, Mark (3x), Meijers, Viesturs (3x), Bator, Robert (2x), Moehring, Guenther (2x), Wall, Alejandro (2x)
3.Qc2 — 15.6% (167 parties)
Ambassadeurs : Bischoff, Klaus (3x), Zvolanek, Libor (2x), Stohl, Igor (2x), Vitolinsh, Alvis (2x), Banas, Jan (2x), Van der Wiel, John T.H. (2x), Lukin, Andrei M (2x), Moeschinger, Markus (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.Qb3 3.e4 3.Nf3 3.Qc2
<1800 31 10% 19% — 19%
1800-2200 230 12% 17% 20% 11%
2200-2600 623 25% 22% 16% 19%
2600+ 62 40% 27% 13% 10%
Évolution par décennie (% des parties)
Décennie N parties 3.Qb3 3.e4 3.Nf3 3.Qc2
1950s 9 11% 11% 33% —
1960s 35 11% 17% 23% 3%
1970s 17 6% 29% 53% 6%
1980s 72 8% 18% 24% 18%
1990s 233 25% 16% 15% 18%
2000s 214 23% 15% 17% 14%
2010s 268 24% 22% 15% 15%
2020s 223 19% 26% 13% 19%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.Qb3 24% 19% ▼ -5.4%
3.e4 22% 26% ▲ +4.1%
3.Nf3 15% 13% ▼ -1.5%
3.Qc2 15% 19% ▲ +4.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Carlsen, Magnus — 3 parties
Kramnik, Vladimir — 3 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 2 parties
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie
Parties historiques
3.Qb3 — 21.3% (228 parties)
1955 — Goldberg, Grigory A vs Khasin, Abram — 0-1 — Moscow RUS
1963 — Gufeld, Eduard vs Platonov, Igor V — 1/2-1/2 — Kiev UKR
1963 — Langeweg, Kick vs Bronstein, David I — 0-1 — Beverwijk NED
1964 — Portisch, Lajos vs Ghitescu, Theodor — 1-0 — Sinaia
1965 — Shashin, Boris vs Portisch, Lajos — 0-1 — Erevan ARM
3.e4 — 20.0% (214 parties)
1959 — Portisch, Lajos vs Taimanov, Mark — 0-1 — Budapest HUN
1960 — Yudovich, Mikhail Jr vs Borisenko, Georgy K — 0-1 — Perm RUS
1960 — Ousatchi, Mark vs ? — 1-0 — ?
1965 — Heemsoth, Hermann vs Sliwa, Bogdan — 0-1 — Baltic Sea tt1
1967 — Mikenas, Vladas vs Levit, Roman — 1-0 — Moscow RUS
3.Nf3 — 16.8% (180 parties)
1954 — Grob, Hans vs Nievergelt, Erwin — 1-0 — Zurich SUI
1958 — Sherwin, James T vs Bronstein, David I — 0-1 — Portoroz SLO
1959 — Olafsson, Fridrik vs Bronstein, David I — 0-1 — Moscow RUS
1960 — Nei, Iivo vs Taimanov, Mark — 1/2-1/2 — Leningrad ch-URS
1961 — Geller, Efim P. vs Borisenko, Georgy K — 1/2-1/2 — Moskou
3.Qc2 — 15.6% (167 parties)
1963 — Clarke, Peter vs Levens, David G — 1-0 — Bath ch-BCF
1976 — Keene, Raymond D vs Sloth, Jorn — 1/2-1/2 — Aarhus DEN
1981 — Tal, Mikhail vs Buturin, Vladimir — 1/2-1/2 — Lvov UKR
1982 — Suba, Mihai vs Cebalo, Miso — 1-0 — Plovdiv BUL
1983 — Stohl, Igor vs Saeed, Saeed-Ahmed — 1/2-1/2 — Belfort FRA