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E04f — Open (1948)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 a6 6.O-O
Les coups candidats
Ambassadeurs : Pérez López, Alberto (36x), Deforel, Jorge Eduardo (28x), Allawi Rawlings (27x), Dorer, Manfred (27x), Salzmann, Stefan (24x), Sveshnikov, Evgeny (21x), Kveinys, Aloyzas (17x), Campbell, Eoin S. (15x)
Ambassadeurs : Novikov, Igor (16x), Sosonko, Gennadi (7x), Chandler, Murray G (6x), Antunes, Antonio (6x), Bryson, Douglas M (6x), Sveshnikov, Evgeny (5x), Gulko, Boris (4x), Speelman, Jon S (4x)
6…c5 — 1.0% (73 parties)
Ambassadeurs : Csom, Istvan (3x), Razuvaev, Yuri S (2x), Geller, Efim P. (2x), Scherer, Helmut (2x), Tylor, Theodore Henry (1x), Muhring, Willem Jan (1x), Bukic, Enver (1x), Jovanic, R. (1x)
6…Be7 — 0.8% (60 parties)
Ambassadeurs : Bielmeier, Ludwig (2x), Franco Alonso, Alejandro (2x), Opocensky, Karel (1x), Altschul, Milos (1x), Teichmann, Erik (1x), Crawley, Gavin (1x), Martin, Andrew D (1x), Botterill, George S. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nc6 6…b5 6…c5 6…Be7
<1800 224 96% 2% 0% 0%
1800-2200 2355 89% 7% 1% 1%
2200-2600 4125 88% 9% 1% 1%
2600+ 220 90% 9%
Évolution par décennie (% des parties)
Décennie N parties 6…Nc6 6…b5 6…c5 6…Be7
1950s 6 33% 33% 17% 17%
1960s 3 67% 33%
1970s 31 32% 61% 6%
1980s 206 35% 61% 2% 1%
1990s 255 62% 29% 4% 3%
2000s 1164 85% 11% 2% 1%
2010s 3760 93% 5% 1% 1%
2020s 1843 93% 5% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nc6 93% 93% -0.1%
6…b5 5% 5% +0.1%
6…c5 1% 1% +0.1%
6…Be7 1% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 7 parties
Karpov, Anatoly — 6 parties
Ju, Wenjun — 6 parties
Gukesh D — 6 parties
Carlsen, Magnus — 4 parties
Anand, Viswanathan — 3 parties
Ding, Liren — 3 parties
Kramnik, Vladimir — 1 partie
Parties historiques
6…Nc6 — 88.8% (6451 parties)
1955 — Martin Martinez, Pedro Jose vs Gligorić, Svetozar — 0-1 — Buenos Aires ARG
1957 — Bronstein, David I vs Kholmov, Ratmir D — 1/2-1/2 — Moscow RUS
1972 — Zilberstein, Valery I vs Anikaev, Yuri N — 1-0 — Odessa UKR
1973 — Rotariu, Gheorghe S vs Suta, Mihai — 0-1 — Bucharest ROU
1977 — Rashkovsky, Nukhim N vs Petrosian, Arshak B — 1/2-1/2 — Baku AZE
6…b5 — 8.7% (630 parties)
1952 — Konstantinopolsky, Alexander vs Ravinsky, Grigory — 1-0 — Odessa UKR
1954 — Walsh, James vs Fichtl, Jiri — 0-1 — Amsterdam olm
1960 — Pietzsch, Wolfgang vs Donner, Jan-Hein — 1/2-1/2 — Madrid zt
1969 — Cobo Arteaga, Eldis vs O'Kelly, Albéric de Galway — 1-0 — Havana CUB
1970 — Jansa, Vlastimil vs Legde, Georg — 1-0 — GER
6…c5 — 1.0% (73 parties)
1952 — Tylor, Theodore Henry vs Muhring, Willem Jan — 0-1 — London ENG
1963 — Bukic, Enver vs Jovanic, R. — 1/2-1/2 — Zenica BIH
1974 — Karlsson, Lars 1937 vs Ljungdahl, John — 1-0 — Lunds SWE
1977 — Sosonko, Gennadi vs Csom, Istvan — 1/2-1/2 — Bad Lauterberg GER
1983 — Reefschlaeger, Helmut, Dr. vs Raupp, Thomas — 1-0 — Duitsland tt
6…Be7 — 0.8% (60 parties)
1954 — Opocensky, Karel vs Altschul, Milos — 1-0 — Jablonec nad Nisou
1981 — Martin, Andrew D vs Botterill, George S. — 1-0 — London ENG
1984 — Teichmann, Erik vs Crawley, Gavin — 1/2-1/2 — Ramsgate
1991 — Clausen, Steen vs Danielsen, Henrik — 0-1 — Copenhagen DEN
1995 — Shikhirev, Leonid Nikolaevich vs Lukjanenko, Alexander — 1/2-1/2 — ?