E00j — Catalan:
1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2
Eval: [+0.18]
Les coups candidats
Ambassadeurs : Gleizerov, Evgeny (24x), Jirka, Jiri (12x), Sosonko, Gennadi (11x), Hracek, Zbynek (11x), Gipslis, Aivars (10x), Tukmakov, Vladimir B (10x), Kazakouski, Valery (10x), Adams, Michael (9x)
Ambassadeurs : Rawlings, Alan J C (28x), Pogorelov, Ruslan (21x), Gleizerov, Evgeny (20x), Burmeister, Ferdinand (20x), Yemelin, Vasily (17x), Karjakin, Sergey (16x), ? (15x), Jussupow, Artur (14x)
4…a5 — 14.7% (1513 parties)
Ambassadeurs : Stocek, Jiri (14x), Fedorchuk, Sergey A. (11x), Ksieski, Zbigniew (10x), Mikhalevski, Victor (10x), Ovsejevitsch, Sergei (10x), Kveinys, Aloyzas (9x), Miezis, Normunds (9x), Zhai, Mo (8x)
Ambassadeurs : Fedorchuk, Sergey A. (14x), Andersson, Ulf (12x), Ulybin, Mikhail (10x), Sosonko, Gennadi (9x), Gleizerov, Evgeny (8x), Nikolic, Predrag (7x), Tukmakov, Vladimir B (6x), Parligras, Mircea-Emilian (6x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Qe7 4…Be7 4…a5 4…Bxd2+
<1800 176 43% 16% 7% 28%
1800-2200 2976 41% 23% 12% 16%
2200-2600 5852 31% 29% 17% 11%
2600+ 390 11% 51% 14% 17%
Évolution par décennie (% des parties)
Décennie N parties 4…Qe7 4…Be7 4…a5 4…Bxd2+
1930s 26 54% 46%
1940s 39 59% 3% 36%
1950s 40 50% 18% 32%
1960s 24 67% 8% 4% 21%
1970s 123 45% 20% 9% 26%
1980s 472 32% 29% 13% 15%
1990s 1115 42% 22% 11% 14%
2000s 1723 40% 22% 13% 14%
2010s 5031 35% 25% 16% 15%
2020s 1686 22% 43% 18% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Qe7 35% 22% ▼ -12.6%
4…Be7 25% 43% ▲ +18.5%
4…a5 16% 18% ▲ +2.6%
4…Bxd2+ 15% 9% ▼ -5.8%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Kramnik, Vladimir — 7 parties
Carlsen, Magnus — 5 parties
Tal, Mikhail — 4 parties
Euwe, Max — 3 parties
Anand, Viswanathan — 3 parties
Hou, Yifan — 3 parties
Gukesh D — 3 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Parties historiques
4…Qe7 — 34.7% (3568 parties)
1931 — Concepcion Villegas, Bryan Uriel vs Falcon, Enrique — 1-0 — Buenos Aires ARG
1937 — Alatortsev, Vladimir N. vs Chekhover, Vitaly — 1-0 — Tbilisi ch-URS
1938 — Troitsky, PN. vs Kopaev, Nikolay A — 1-0 — Leningrad RUS
1938 — Kopaev, Nikolay A vs Chekhover, Vitaly — 0-1 — Leningrad RUS
1938 — Troitsky, PN. vs Budo, Alexander Semenovich — 0-1 — Leningrad RUS
4…Be7 — 27.1% (2781 parties)
1941 — Kramer, Haije vs Bergsma, Alois — 0-1 — Baarn NED
1950 — Tolush, Alexander vs Averbakh, Yuri L — 1-0 — Moskou ch-URS
1950 — Golovko, Alexandr vs Averbakh, Yuri L — 0-1 — Moscow RUS
1952 — Golombek, Harry vs Stahlberg, Gideon — 1/2-1/2 — Saltsjobaden SWE
1954 — Store, Trond vs Trifunovic, Petar — 1/2-1/2 — Amsterdam NED
4…a5 — 14.7% (1513 parties)
1966 — Trangmar, Leigh A vs Cannon, L John — 1/2-1/2 — Bognor Regis
1970 — Rossetto, Hector vs Damjanovic, Mato — 0-1 — Buenos Aires ARG
1972 — Grumer, Eugene vs Janetschek, Karl — 0-1 — Skopje MKD
1972 — Foguelman, Alberto vs Reinhardt, Enrique — 1-0 — Mar del Plata ARG
1972 — Lukacs, Peter vs Nagy, Ervin Dr. — 0-1 — HUN
4…Bxd2+ — 13.9% (1425 parties)
1937 — Belavenets, Sergey vs Levenfish, Grigory — 1-0 — Tbilisi ch-URS
1937 — Alatortsev, Vladimir N. vs Levenfish, Grigory — 0-1 — Tbilisi ch-URS
1937 — Alatortsev, Vladimir N. vs Levenfish, Grigory — 0-1 — Tbilisi GEO
1938 — Suesman, Walter B vs Reinfeld, Fred — 0-1 — New York, NY USA
1938 — Belavenets, Sergey vs Kaiev, Lev Alexeevich — 1-0 — Kiev UKR