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E00j — Catalan (1983)
1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2
Les coups candidats
Ambassadeurs : Gleizerov, Evgeny (25x), Sosonko, Gennadi (12x), Jirka, Jiri (12x), Gipslis, Aivars (10x), Hracek, Zbynek (10x), Rozentalis, Eduardas (9x), Adams, Michael (8x), Urban, Klaudiusz (8x)
Ambassadeurs : Gleizerov, Evgeny (20x), Pogorelov, Ruslan (20x), Allawi Rawlings (18x), Yemelin, Vasily (17x), Burmeister, Ferdinand (17x), ? (14x), Karjakin, Sergey (14x), Polugaevsky, Lev (13x)
4…a5 — 15.0% (1577 parties)
Ambassadeurs : Stocek, Jiri (13x), Ksieski, Zbigniew (10x), Ovsejevitsch, Sergei (10x), Gleizerov, Evgeny (9x), Fedorchuk, Sergey A. (8x), Miezis, Normunds (8x), Kozul, Zdenko (8x), Kachiani-Gersinska, Ketino (7x)
Ambassadeurs : Fedorchuk, Sergey A. (14x), Andersson, Ulf (12x), Sosonko, Gennadi (10x), Ulybin, Mikhail (10x), 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 422 36% 25% 7% 24%
1800-2200 3583 39% 25% 13% 15%
2200-2600 5562 32% 28% 17% 11%
2600+ 357 11% 51% 14% 16%
Évolution par décennie (% des parties)
Décennie N parties 4…Qe7 4…Be7 4…a5 4…Bxd2+
1950s 40 50% 18% 32%
1960s 24 67% 8% 4% 21%
1970s 126 44% 19% 10% 26%
1980s 470 31% 29% 13% 16%
1990s 1122 42% 22% 11% 14%
2000s 1726 40% 22% 13% 13%
2010s 5054 35% 25% 16% 15%
2020s 1955 24% 42% 19% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Qe7 35% 24% ▼ -11.3%
4…Be7 25% 42% ▲ +16.5%
4…a5 16% 19% ▲ +3.2%
4…Bxd2+ 15% 9% ▼ -5.6%
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
Anand, Viswanathan — 4 parties
Karpov, Anatoly — 3 parties
Hou, Yifan — 3 parties
Gukesh D — 3 parties
Kasparov, Garry — 2 parties
Botvinnik, Mikhail — 2 parties
Parties historiques
4…Qe7 — 34.5% (3632 parties)
1950 — Staldi, Cherubino vs Porreca, Alessio — 1-0 — Venice ITA
1950 — Eugenio, Sarah De Oliveira vs Mueller, Helge — 1/2-1/2 — Venice ITA
1950 — Atze, Burkhard vs Pietzsch, Wolfgang — 0-1 — Soemmerda GER
1951 — Martin M Pereira vs Schroeder, Raik — 1-0 — Mar del Plata ARG
1951 — Martin M Pereira vs Amaro, Lucas Ibrair — 1/2-1/2 — Mar del Plata ARG
4…Be7 — 27.3% (2867 parties)
1950 — Alexander Tadala vs Averbakh, Yuri L — 1-0 — Moskou ch-URS
1950 — Golovko, Nikolay Grigorievic vs Averbakh, Yuri L — 0-1 — Moscow RUS
1952 — Golombek, Harry vs Stahlberg, Gideon — 1/2-1/2 — Saltsjobaden SWE
1954 — Store, Thor vs Trifunovic, Petar — 1/2-1/2 — Amsterdam olm
1955 — Auer, Franz vs Pachman, Ludek — 1/2-1/2 — Prague CZE
4…a5 — 15.0% (1577 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 — Faleg, Alberto vs Reinhardt, Enrique — 1-0 — Mar del Plata ARG
1972 — Faleg, Alberto vs Reinhardt, Enrique — 1-0 — Mar del Plata ARG
4…Bxd2+ — 13.6% (1432 parties)
1950 — Martin M Pereira vs Amaro, Lucas Ibrair — 1-0 — Mar del Plata ARG
1950 — Dunkelblum, Arthur vs Panagopoulos, Panagiotis — 1-0 — Dubrovnik CRO
1951 — Ritson-Morry, William vs Pollitt, John H — 1-0 — Swansea WLS
1951 — Golombek, Harry vs Milner Barry, Philip — 1/2-1/2 — Swansea WLS
1951 — Russ, Victor John Anthony vs Milner Barry, Philip — 1-0 — Swansea WLS