B23n — Nc6 3.Nge2 e5 - Chameleon, 3…e5
1.e4 c5 2.Nc3 Nc6 3.Nge2 e5
Eval: [+0.50]
Les coups candidats
4.Nd5 — 69.3% (595 parties)
Ambassadeurs : Tischbierek, Raj (7x), Sveshnikov, Evgeny (6x), Popov, Vladimir Valentinovich (5x), Inkiov, Ventzislav (4x), Mariano, Nathan Ferreti (4x), Potapov, Pavel (4x), Vogt, Lothar (3x), ? (3x)
4.g3 — 14.7% (126 parties)
Ambassadeurs : Varshini, V (3x), Pizzato, Charles (2x), Agoston, Aron (2x), Perelshteyn, Eugene (2x), Yi, Danny (2x), Sulayev, Daniel (2x), Kozomara, Vlado (1x), Bobotsov, Milko G (1x)
4.Ng3 — 10.1% (87 parties)
Ambassadeurs : Kontic, Djordjije (3x), Kadric, Denis (3x), Maisuradze, Nata (3x), Manolov, Ivan (2x), Votava, Jan (2x), Sveshnikov, Evgeny (2x), Tomb, Maroun (2x), Kumsiashvili, Nikoloz (2x)
4.d3 — 4.9% (42 parties)
Ambassadeurs : Rosenhahn, Eberhard (2x), Cerina, Antonio (2x), Babychuk, Vladimir (2x), Vaughan Frank L (1x), Watson Charles Gilbert M (1x), Schlage, Willi (1x), Kruger, Paul (1x), Recalde, Eleuterio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Nd5 4.g3 4.Ng3 4.d3
<1800 16 19% 25% 31% 25%
1800-2200 216 62% 20% 7% 9%
2200-2600 499 74% 12% 11% 1%
2600+ 19 68% 11% 21%
Évolution par décennie (% des parties)
Décennie N parties 4.Nd5 4.g3 4.Ng3 4.d3
1920s 3 67% 33%
1930s 2 50% 50%
1950s 3 33% 67%
1960s 16 56% 25% 6% 12%
1970s 13 54% 15% 31%
1980s 44 80% 14% 7%
1990s 227 79% 11% 5% 4%
2000s 234 73% 17% 3% 4%
2010s 227 69% 16% 9% 5%
2020s 90 40% 13% 43% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Nd5 69% 40% ▼ -29.2%
4.g3 16% 13% ▼ -2.5%
4.Ng3 9% 43% ▲ +34.1%
4.d3 5% 3% ▼ -2.0%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Parties historiques
4.Nd5 — 69.3% (595 parties)
1928 — Mieses, Jacques vs Bogoljubow, Efim — 1/2-1/2 — It Bad Kissingen GER
1928 — Mieses, Jacques vs Bogoljubow, Efim — 1/2-1/2 — Bad Kissingen GER
1962 — Hort, Vlastimil vs Spassky, Boris V. — 1/2-1/2 — Marianske Lazne
1962 — Gibbs, Peter Campbell vs Parr, Frank — 1-0 — Whitby ch-BCF
1962 — Hort, Vlastimil vs Vesely, Jiri — 1/2-1/2 — Jablonec
4.g3 — 14.7% (126 parties)
1962 — Kozomara, Vlado vs Bobotsov, Milko G — 1/2-1/2 — Sarajevo BIH
1963 — Kinzel, Anton vs Wolk, Sigmund — 1-0 — Bad Pyrmont GER
1968 — Blackstone, John vs Shean, B. — 1-0 — Sunnyvale, CA
1969 — Shianovsky, Vladislav I vs Beliavsky, Alexander G — 1/2-1/2 — ?
1974 — Garcia Palermo, Carlos Horacio vs Poch, Cesar G. — 1-0 — Caseros ch-ARG
4.Ng3 — 10.1% (87 parties)
1930 — Bernstein, Ossip vs Michel, Walter — 1/2-1/2 — Le Pont
1959 — Yurkov, Aleksey vs Salov Draganov, Gabriel — 1-0 — USSR
1969 — Sydor, Andrzej vs Szukszta, Janus — 1-0 — Lublin POL
1971 — Oetzel, Roland vs Marcinkowski, Kazimierz — 1/2-1/2 — Leipzig GER
1973 — Lehmann, Christina vs Burchardt, Brigitte — 0-1 — Erfurt GER
4.d3 — 4.9% (42 parties)
1922 — Schlage, Willi vs Kruger, Paul — 0-1 — Bad Oeynhausen GER
1932 — Vaughan Frank L vs Watson Charles Gilbert M — 1-0 — Sydney AUS
1958 — Bastrikov, Georgy vs Furman, Semyon — 0-1 — Sochi RUS
1958 — Averbakh, Yuri L vs Taimanov, Mark — 1-0 — Moscow RUS
1960 — Recalde, Eleuterio vs Wexler, Bernardo — 0-1 — Sao Paulo BRA