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C01h — Exchange
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3
Eval: [+0.07]
Les coups candidats
Ambassadeurs : Maroczy, Geza (16x), Puerthner, Nadine (16x), Weemaes, Ronald (12x), Borngaesser, Rene (12x), Krannich, Annette (11x), Malaniuk, Vladimir P (11x), Daum, Norman (11x), Roeder, Frank (11x)
Ambassadeurs : Medic, Mirjana (16x), Uhlmann, Wolfgang (15x), Drasko, Milan (12x), Alekhine, Alexander (9x), Roeder, Frank (9x), Kosic, Dragan (9x), Harabor, Mihai (8x), Gutmann, Alois (8x)
4…Nf6 — 16.5% (3982 parties)
Ambassadeurs : Prandstetter, Eduard (10x), Lukas, Norbert (10x), Lombardi, Donato (8x), Pamperin, Gerhard (8x), Leib, Britta (7x), Acha Fernandez, Ivan (6x), Lieb, Harald (6x), Plahuta, Darko (6x)
4…c5 — 9.7% (2335 parties)
Ambassadeurs : Gleizerov, Evgeny (11x), Naumkin, Igor (11x), Kosic, Dragan (10x), Contin, Daniel (9x), Tibensky, Robert (9x), Del Rio De Angelis, Salvador G. (9x), Barsov, Aleksei (8x), Bivol, Alina (8x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bd6 4…Nc6 4…Nf6 4…c5
<1800 1587 49% 18% 22% 7%
1800-2200 10621 46% 26% 16% 10%
2200-2600 4470 40% 33% 10% 16%
2600+ 21 29% 29% 19% 24%
Évolution par décennie (% des parties)
Décennie N parties 4…Bd6 4…Nc6 4…Nf6 4…c5
1850s 11 36% 36% 18%
1860s 16 38% 6% 31% 6%
1870s 15 60% 40%
1880s 16 56% 44%
1890s 26 62% 38%
1900s 31 35% 13% 45%
1910s 25 80% 20%
1920s 50 62% 10% 26% 2%
1930s 114 60% 29% 10% 1%
1940s 56 70% 29%
1950s 133 62% 26% 8%
1960s 204 54% 33% 8% 1%
1970s 346 61% 25% 8% 3%
1980s 716 49% 31% 10% 9%
1990s 4820 48% 24% 15% 9%
2000s 8301 46% 26% 17% 9%
2010s 7981 43% 26% 18% 11%
2020s 1262 39% 26% 19% 15%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bd6 43% 39% ▼ -4.4%
4…Nc6 26% 26% -0.4%
4…Nf6 18% 19% ▲ +1.7%
4…c5 11% 15% ▲ +3.5%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Lasker, Emanuel — 7 parties
Steinitz, Wilhelm — 3 parties
Euwe, Max — 3 parties
Hou, Yifan — 2 parties
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Parties historiques
4…Bd6 — 45.8% (11059 parties)
1851 — Horwitz, Bernhard vs Bird, Henry — 1-0 — London ENG
1855 — Falkbeer, Ernst vs Brien, Robert — 1/2-1/2 — London ENG
1856 — Clerc, Albert vs Tassinari, Gerolamo — 1-0 — Parigi FRA
1858 — Kronenberg, Juergen vs Suhle, Berthold — 0-1 — Bonn
1865 — MacDonnell vs Cronhelm, E. — 1-0 — Dublin IRL
4…Nc6 — 25.8% (6214 parties)
1866 — MacDonnell vs De Vere, Cameron — 0-1 — London ENG
1905 — ? vs Junge, Ot — 0-1 — Hamburg-Altona
1909 — Eljaschoff, Moissei Z vs Alekhine, Alexander — 0-1 — St Petersburg RUS
1909 — Goldfarb, Jared vs Alekhine, Alexander — 0-1 — St Petersburg RUS
1909 — Goldfarb, V. vs Alekhine, Alexander — 0-1 — St Petersburg RUE
4…Nf6 — 16.5% (3982 parties)
1851 — Horwitz, Bernhard vs Bird, Henry — 1-0 — London ENG
1851 — Horwitz, Bernhard vs Bird, Henry — 1-0 — London ENG
1855 — Anderssen, Adolf vs Smigielski, Marcin — 1-0 — Berlin GER
1858 — Bird, Henry vs Brien, Robert — 1-0 — Birmingham ENG
1860 — Harrwitz, Daniel vs Hamppe, Carl — 1-0 — Great Britain
4…c5 — 9.7% (2335 parties)
1854 — Kenny, Charles vs Janssens, Franciscus G — 0-1 — London ENG
1856 — Barnes, Thomas vs Staunton, Howard — 0-1 — London consult
1860 — Leonard, James A vs Loyd, Samuel — 0-1 — ?
1920 — Larsson, Anders 1955 vs Hakansson, Arthur — 0-1 — Goteborg SWE
1931 — Koltanowski, George vs Axelrod, Arie — 1/2-1/2 — Antwerp BEL