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D13i — Exchange
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 e6 6.Bf4
Les coups candidats
6…Bd6 — 33.7% (644 parties)
Ambassadeurs : Botvinnik, Mikhail (3x), Forintos, Gyozo V (3x), Burmakin, Vladimir (3x), Chu, Quoc Thinh (3x), Alatortsev, Vladimir N. (2x), Nikolaevsky, Yuri V (2x), Pomar Salamanca, Arturo (2x), Weil, Volker (2x)
Ambassadeurs : Ivkov, Borislav (5x), Ballai, Zsolt (4x), Bagyanszky, Attila (4x), Sorokin, Maxim (4x), Dreev, Aleksey (3x), Bilek, Istvan (3x), Malich, Burkhard, Dr. (3x), Toth, Bela (2x)
6…a6 — 12.3% (235 parties)
Ambassadeurs : Rossi, Giampiero (3x), Kashdan, Isaac (2x), Barasiant, Mariana (2x), Ungureanu, Emil (2x), Tencati, Giuseppe (2x), Schlierkamp, Ferdinand (2x), Primerano, Carlo (2x), Grassetto, Gilberto (2x)
6…Be7 — 11.3% (216 parties)
Ambassadeurs : Lundin, Erik (3x), Bernstein, Sidney (2x), Fabbri, Mario (2x), Hammar, Ulf (2x), Jobava, Baadur (2x), Reinfeld, Fred (1x), Mengarini, Ariel (1x), Machate, Gottlieb (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Bd6 6…Nc6 6…a6 6…Be7
<1800 100 33% 20% 14% 13%
1800-2200 784 39% 28% 14% 11%
2200-2600 521 31% 41% 11% 10%
2600+ 7 29% 29% 29%
Évolution par décennie (% des parties)
Décennie N parties 6…Bd6 6…Nc6 6…a6 6…Be7
1900s 1 100%
1920s 7 43% 29%
1930s 6 33% 33% 33%
1940s 21 19% 10% 14% 38%
1950s 26 27% 38% 4% 15%
1960s 35 26% 43% 9% 9%
1970s 46 35% 37% 7% 9%
1980s 95 24% 47% 6% 9%
1990s 422 30% 36% 13% 11%
2000s 632 37% 30% 13% 9%
2010s 565 34% 29% 13% 12%
2020s 57 46% 23% 14% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Bd6 34% 46% ▲ +11.5%
6…Nc6 29% 23% ▼ -6.0%
6…a6 13% 14% ▲ +0.8%
6…Be7 12% 12% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 7 parties
Smyslov, Vladimir — 2 parties
Kramnik, Vladimir — 1 partie
Parties historiques
6…Bd6 — 33.7% (644 parties)
1925 — Marshall, Frank vs Hermann Helms — 0-1 — New York, NY USA
1925 — Anaya Oger, Hector vs Grau, Roberto G — 1/2-1/2 — Montevideo URU
1925 — Schelfhout, Willem vs Spaans, DCW. — 1/2-1/2 — NED
1932 — Menchik, Vera Frantsevna vs Steiner, Lajos — 1/2-1/2 — Hastings ENG
1934 — Heinicke, Herbert vs Borgardts, Gerhard — 1-0 — Aachen GER
6…Nc6 — 31.9% (610 parties)
1906 — Fleischmann, Leo vs Fahrni, Hans — 1-0 — Nuerenberg GER
1935 — Tylor, Theodore Henry vs Michell, Reginald — 0-1 — Great Yarmouth
1936 — Menchik, Vera vs Petrov, Vladimirs — 0-1 — Podebrady CZE
1943 — Schwammenhoeffer vs Kopetzky, Karl — 1-0 — Vienna AUT
1948 — Selezniev, Alexey vs Toerber, Claus — 1-0 — Oldenburg
6…a6 — 12.3% (235 parties)
1940 — Bernstein, Sidney vs Kashdan, Isaac — 1/2-1/2 — New York, NY USA
1946 — Reshevsky, Samuel vs Kashdan, Isaac — 1-0 — New York ch-USA
1947 — Niephaus, Walter vs Bohatirchuk, Fedor — 1-0 — Kassel
1958 — Botvinnik, Mikhail vs Segaar M — 1/2-1/2 — Leiden simultaan
1963 — Malich, Burkhard, Dr. vs Muehlberg, Siegfried — 1/2-1/2 — GDR-ch Aschersleben GER
6…Be7 — 11.3% (216 parties)
1920 — Selezniev, Alexey vs Breyer, Guy — 1-0 — Goteborg SWE
1924 — Carlos Torre Repetto vs Mlotkowski, Stasch — 1-0 — Western op, USA
1939 — Stahlberg, Gideon vs Lundin, Erik — 0-1 — Stockholm SWE
1939 — Raud, Ilmar vs De Groot, Adriaan — 1/2-1/2 — Buenos Aires ARG
1940 — Bernstein, Sidney vs Simonson, Albert — 1-0 — New York, NY USA