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E04e — Open
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 a6
Eval: [+0.44]
Les coups candidats
Ambassadeurs : Salzmann, Stefan (39x), Pérez López, Alberto (38x), Deforel, Jorge Eduardo (34x), Rawlings, Alan J C (32x), Sveshnikov, Evgeny (27x), Dorer, Manfred (27x), Novikov, Igor (23x), Grammatica, Andrea (21x)
6.Ne5 — 13.6% (1166 parties)
Ambassadeurs : Rawlings, Alan J C (11x), Kopylov, Michael (9x), Campbell, Eoin S. (7x), Gavrijski, Dimitar (7x), Novikov, Igor (6x), Kiss, Pal (6x), Postny, Evgeny (6x), Razuvaev, Yuri S (5x)
6.a4 — 4.0% (341 parties)
Ambassadeurs : Rashkovsky, Nukhim N (3x), Sveshnikov, Evgeny (3x), Donchev, Dimitar I. (2x), Tibensky, Robert (2x), Tatai, Stefano (2x), Kostiukova, Liubov (2x), Liu, Yi(HB) (2x), Chekletsov, Ilya (2x)
6.Qc2 — 0.3% (25 parties)
Ambassadeurs : Tsiganova, Monika (2x), Hell, Manfred (1x), Busch, Raimund (1x), Jepson, Christian (1x), Schneider, Alexander (1x), Van Harreveld, Frenk (1x), De Roda Husman, Juan (1x), Parkhomenko, Ekaterina (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.O-O 6.Ne5 6.a4 6.Qc2
<1800 94 74% 19% 4% 1%
1800-2200 2164 80% 13% 6% 0%
2200-2600 5456 83% 13% 3% 0%
2600+ 328 76% 23% 0%
Évolution par décennie (% des parties)
Décennie N parties 6.O-O 6.Ne5 6.a4 6.Qc2
1940s 4 50% 50%
1950s 13 38% 46% 15%
1960s 9 33% 44% 11%
1970s 62 50% 31% 18%
1980s 256 80% 14% 5%
1990s 337 76% 15% 8% 1%
2000s 1409 82% 13% 4% 1%
2010s 4506 83% 14% 3% 0%
2020s 1949 81% 13% 5% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.O-O 83% 81% ▼ -1.7%
6.Ne5 14% 13% -0.1%
6.a4 3% 5% ▲ +2.2%
6.Qc2 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 7 parties
Ju, Wenjun — 6 parties
Gukesh D — 6 parties
Anand, Viswanathan — 5 parties
Carlsen, Magnus — 4 parties
Hou, Yifan — 4 parties
Kramnik, Vladimir — 3 parties
Ding, Liren — 3 parties
Karpov, Aleksandr — 2 parties
Euwe, Max — 1 partie
Parties historiques
6.O-O — 81.7% (6977 parties)
1948 — Opocensky, Karel vs Fletzer, Gino — 1/2-1/2 — Venice ITA
1948 — Opocensky, Karel vs Fletzer — 1/2-1/2 — Venice ITA
1952 — Konstantinopolsky, Alexander vs Ravinsky, Grigory — 1-0 — Odessa UKR
1952 — Tylor, Theodore Henry vs Muhring, Willem Jan — 0-1 — England-NLD
1954 — Walsh, James vs Fichtl, Jiri — 0-1 — Amsterdam olm
6.Ne5 — 13.6% (1166 parties)
1951 — Gereben, Erno vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
1951 — Donner, Jan-Hein vs Gligorić, Svetozar — 1/2-1/2 — Birmingham Birmingham ENG
1952 — Platz, Hans vs Zenker, Lothar — 1-0 — Binz GER
1958 — Willaert, Robert vs Van Den Broeck, Hans — 1-0 — Blankenberge
1958 — Neishtadt, Yakov vs Prokonn — 1-0 — cr.
6.a4 — 4.0% (341 parties)
1947 — Ozols, Karlis vs Zemgalis, Elmars — 1-0 — Hanau
1948 — Opocensky, Karel vs Castaldi, Vincenzo — 0-1 — Venice ITA
1951 — Golombek, Harry vs Euwe, Max — 1-0 — Paignton
1958 — Bjeljakow, WM. vs Knothe, K. — 0-1 — corr USSR-GER
1964 — Taimanov, Mark vs Pachman, Ludek — 1-0 — Havana CUB
6.Qc2 — 0.3% (25 parties)
1996 — Hell, Manfred vs Busch, Raimund — 0-1 — Oberliga Sued W9697
1996 — Jepson, Christian vs Schneider, Alexander — 0-1 — GER
2001 — Van Harreveld, Frenk vs De Roda Husman, Juan — 1/2-1/2 — NED
2003 — Parkhomenko, Ekaterina vs Kim, Igor — 0-1 — Kazan RUS
2003 — Schalkwijk, Peter H vs Wozniak, Zbigniew — 1/2-1/2 — IECC