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A47x —
1.d4 Nf6 2.Nf3 b6 3.e3 Bb7 4.Bd3 e6 5.O-O c5
Les coups candidats
Ambassadeurs : Clares Huanca, Danner Saed (34x), Jussupow, Artur (30x), Hoi, Carsten (19x), Dizdar, Goran (18x), Malaniuk, Vladimir P (12x), Berg, Klaus (10x), Hoffman, Alejandro (9x), Zemlickova, Olena (9x)
6.Nbd2 — 24.9% (1076 parties)
Ambassadeurs : Kovacevic, Vlatko (17x), Kovacevic, Vladimir (9x), Zuluaga Mancilla, Cesar (7x), Jussupow, Artur (6x), Hulak, Krunoslav (6x), Vasiljevic, Dragan (5x), Giaccio, Alfredo (4x), Werner, Dimo (4x)
6.b3 — 22.1% (952 parties)
Ambassadeurs : Jussupow, Artur (12x), Starostits, Ilmars (10x), Zaitseva, Ludmila G. (9x), Popchev, Milko (9x), Matlak, Marek (8x), Fries-Nielsen, Jens Ove (7x), Danieli, Enrico (6x), Csiszar, Csaba (6x)
6.c3 — 4.3% (186 parties)
Ambassadeurs : Colas, Joshua (2x), Korning, Peter (1x), Hansen, Jens Haagen (1x), O'Shea, M. (1x), McCarthy, Anthony (1x), Pohl, Alessandro (1x), Giertz, Niklaus (1x), Stiemer, Soenke (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.c4 6.Nbd2 6.b3 6.c3
<1800 109 39% 25% 20% 9%
1800-2200 1399 37% 31% 24% 6%
2200-2600 2524 54% 21% 22% 2%
2600+ 46 67% 11% 17% 4%
Évolution par décennie (% des parties)
Décennie N parties 6.c4 6.Nbd2 6.b3 6.c3
1950s 23 17% 39% 35% 4%
1960s 4 25% 75%
1970s 16 19% 31% 31% 12%
1980s 228 23% 34% 36% 5%
1990s 618 39% 32% 21% 6%
2000s 1409 50% 26% 18% 4%
2010s 1693 49% 22% 23% 4%
2020s 323 54% 16% 26% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.c4 49% 54% ▲ +4.2%
6.Nbd2 22% 16% ▼ -5.4%
6.b3 23% 26% ▲ +2.7%
6.c3 4% 3% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie
Parties historiques
6.c4 — 46.5% (2008 parties)
1953 — Ciejka, Tadeusz vs Miesowicz, Adam — 1-0 — Krakow POL
1955 — Ujtelky, Maximilian vs Kozma, Julius — 1/2-1/2 — Prague CZE
1957 — Filchev, Rusko vs Milev, Zdravko — 1/2-1/2 — Sofia BUL
1958 — Pietzsch, Wolfgang vs Handel, Horst — 1-0 — GDR-ch Schkopau GER
1973 — Landgraf Manfred vs Gisbrecht, Ewgeni — 1-0 — Ch Europe (team) 1973/83
6.Nbd2 — 24.9% (1076 parties)
1950 — Pirc, Vasja vs O'Kelly, Albéric de Galway — 1-0 — Amsterdam NED
1952 — Raizman, Maurice vs Pinson Henri — 1/2-1/2 — Charleville Mezieres
1952 — Ferrantes, Giovanni vs Del Vecchio, Lucio — 1-0 — Ferrara ITA
1953 — Makarczyk, Kazimierz vs Szapiel, Henryk — 1/2-1/2 — Krakow POL
1954 — Sliwa, Bogdan vs Blaszczak, Czeslaw — 1/2-1/2 — Lodz ch POL
6.b3 — 22.1% (952 parties)
1951 — Eliskases, Erich vs Schroeder, Raik — 1-0 — Mar del Plata ARG
1954 — Guimard, Carlos E vs De Souza Mendes, Joao — 1-0 — Mar del Plata ARG
1955 — Purdy, John S vs Somers, Staf — 1/2-1/2 — Antwerp BEL
1956 — Khavin, Abram Leonidovich vs Vorobets, Bogdan — 1-0 — Kiev UKR
1957 — Orbaan, Constant vs Bouwmeester, Hans — 0-1 — NLD-ch Amsterdam NED
6.c3 — 4.3% (186 parties)
1955 — Korning, Peter vs Hansen, Jens Haagen — 1-0 — Aalborg DEN
1974 — O'Shea, M. vs McCarthy, Anthony — 0-1 — Mulcahy
1976 — Pohl, Alessandro vs Giertz, Niklaus — 0-1 — cr FRG/C9
1982 — Careme, Anni vs Connolly, Suzanne — 0-1 — Lucerne SUI
1982 — Watai, Miyoko vs Iacono, Rosaria — 0-1 — Lucerne SUI