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B23m — Closed
1.e4 c5 2.Nc3 Nc6 3.Bb5 Nd4
Eval: [-0.22]
Les coups candidats
4.Bc4 — 63.2% (6235 parties)
Ambassadeurs : Pirs, Matjaz (54x), Tissir, Mohamed (49x), Lyell, Mark (48x), Simonian, Hrair (45x), Staf, Gunnar (39x), Heberla, Bartlomiej (30x), Marholev, Dimitar (29x), Armbrust, Florian (25x)
4.Nf3 — 30.6% (3019 parties)
Ambassadeurs : Pridorozhni, Aleksei (39x), Daulyte-Cornette, Deimante (29x), Bilguun, Sumiya (23x), Guseinov, Gadir (21x), Lyell, Mark (20x), Thesing, Matthias (19x), Lagarde, Maxime (18x), Muzychuk, Mariya (15x)
4.a4 — 2.0% (199 parties)
Ambassadeurs : Shilin, Denis (11x), Tekielak, Sebastian (10x), Keitlinghaus, Ludger (8x), Volovikov, Anton (8x), Thesing, Matthias (7x), Phunhon Lopez, Daniel Alejandro (7x), Remy, Janina (5x), Demchenko, Aleksandr (5x)
4.Ba4 — 2.0% (193 parties)
Ambassadeurs : Petrosian, Tigran L. (10x), Mitkov, Nikola (10x), Sirkova, Darena (9x), Gaehler, Marco (7x), Iuldachev, Saidali (6x), Aronian, Levon (5x), Staf, Gunnar (4x), Tiviakov, Sergei (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Bc4 4.Nf3 4.a4 4.Ba4
<1800 239 59% 28% 2% 1%
1800-2200 3585 66% 28% 2% 1%
2200-2600 5454 62% 33% 2% 2%
2600+ 148 30% 59% 5% 3%
Évolution par décennie (% des parties)
Décennie N parties 4.Bc4 4.Nf3 4.a4 4.Ba4
1940s 1 100%
1950s 2 100%
1960s 3 33% 33%
1970s 3 100%
1980s 19 58% 26% 5%
1990s 195 52% 22% 17% 3%
2000s 2640 84% 8% 2% 5%
2010s 4392 70% 24% 1% 1%
2020s 2617 31% 66% 2% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Bc4 70% 31% ▼ -39.9%
4.Nf3 24% 66% ▲ +42.8%
4.a4 1% 2% +0.4%
4.Ba4 1% 0% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 10 parties
Carlsen, Magnus — 6 parties
Kasparov, Garry — 1 partie
Gukesh D — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
4.Bc4 — 63.2% (6235 parties)
1940 — Herrmann, Loris vs Hahn, Eric — 1-0 — Bad Elster GER
1951 — Hermann, Ludwig vs Troianescu, Octav — 0-1 — Sopot
1955 — Burstein, Sylvain vs Boutteville, Cesar — 0-1 — Toulouse FRA
1969 — Martin, Benjamin M S vs Brodie, Hugh — 0-1 — Montreal Quebec op
1971 — Rubin, Max vs Blackstone, John — 0-1 — California
4.Nf3 — 30.6% (3019 parties)
1986 — Sarapu, Ortvin vs Agudelo Guevara, Mariana — 1/2-1/2 — Dubai UAE
1986 — Lantier, Roger vs Charest, Johanne — 1/2-1/2 — St-Lin CAN
1986 — Mendez, Gustavo vs Panno, Oscar — 0-1 — Ciudad de Ushuaia
1986 — Chaves, Joara vs Gocheva, Rumiana — 0-1 — Dubai UAE
1989 — Schlenker, Jochen vs Kurz, Eugen — 0-1 — Kehl
4.a4 — 2.0% (199 parties)
1985 — Folk, Petr vs Stratil, Ladislav — 0-1 — Karvina
1990 — Keitlinghaus, Ludger vs Emunds, Hans Georg — 1-0 — Muenster GER
1990 — Beran, Josef vs Bricard, Emmanuel — 0-1 — Toulouse FRA
1991 — Pastircak, Milan vs Psakhis, Lev — 1/2-1/2 — Nimes
1991 — Causon, Myriel vs Maksimovic, Suzana — 0-1 — Sparti
4.Ba4 — 2.0% (193 parties)
1968 — Blayivas, H. vs Blackstone, John — 0-1 — San Francisco, Ca
1995 — Wood, Clarence vs Nasman, Per — 1-0 — IECG CUP95-PR.029
1999 — Berntsen, Jorgen vs Poblete, Litos — 0-1 — CN.1999.0.00138
1999 — Richert, Clement vs Plantet, Marc — 0-1 — Montigny le Bretonneux
1999 — Werle, Jan vs Jonitz, Jens — 1-0 — Hoogeveen NED