D66a — Orthodox Main Line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3
Eval: [+0.22]
Les coups candidats
Ambassadeurs : Alekhine, Alexander (39x), Stahlberg, Gideon (32x), Euwe, Max (31x), Capablanca, Jose (26x), Zielinski, Sergej (26x), Gruenfeld, Ernst (19x), Bolbochan, J. (19x), Maroczy, Geza (16x)
Ambassadeurs : Lengyel, Bela (14x), Sergeant, Edward (9x), Radulov, Ivan (9x), Stahlberg, Gideon (8x), Hoenlinger, Baldur (8x), Alekhine, Alexander (7x), Pirc, Vasja (5x), Ragozin, Viacheslav (5x)
Ambassadeurs : Alekhine, Alexander (4x), Capablanca, Jose (3x), Timar, Zsolt (3x), Naumkin, Igor (3x), Gruenfeld, Ernst (2x), Veresov, Gavriil (2x), Dubinin, Peter (2x), Fine, Reuben (2x)
Ambassadeurs : Euwe, Max (8x), Grigoriants, Sergey (6x), Palau, Luis (4x), Michell, Reginald (4x), Rubinstein, Akiba (4x), Yates, Frederic D (4x), Guimard, Carlos E (4x), Luckis, Marcos (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…dxc4 8…h6 8…Re8 8…a6
<1800 196 57% 18% 12% 2%
1800-2200 2262 64% 15% 11% 4%
2200-2600 1725 70% 12% 6% 7%
2600+ 31 61% 6% 32%
Évolution par décennie (% des parties)
Décennie N parties 8…dxc4 8…h6 8…Re8 8…a6
1880s 1 100%
1890s 9 78% 11%
1900s 14 64% 7%
1910s 19 68% 32%
1920s 239 79% 7% 4% 6%
1930s 383 72% 14% 4% 8%
1940s 195 69% 20% 2% 6%
1950s 142 73% 14% 6% 4%
1960s 167 78% 11% 4% 5%
1970s 238 73% 15% 4% 6%
1980s 614 76% 12% 5% 4%
1990s 1394 66% 13% 10% 5%
2000s 1975 66% 13% 10% 4%
2010s 1357 63% 17% 9% 4%
2020s 154 62% 12% 5% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…dxc4 63% 62% ▼ -0.9%
8…h6 17% 12% ▼ -4.8%
8…Re8 9% 5% ▼ -4.8%
8…a6 4% 5% ▲ +0.7%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 10 parties
Euwe, Max — 10 parties
Alekhine, Alexander — 10 parties
Karpov, Anatoly — 6 parties
Botvinnik, Mikhail — 5 parties
Steinitz, Wilhelm — 4 parties
Tal, Mikhail — 3 parties
Karpov, Aleksandr — 2 parties
Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8…dxc4 — 67.9% (4688 parties)
1887 — Zukertort, Johannes vs Schiffers, Emanuel — 0-1 — Frankfurt GER
1894 — Steinitz, Wilhelm vs Lasker, Emanuel — 1/2-1/2 — Montreal wch-m
1895 — Maroczy, Geza vs Charousek Rudolf Rezso — 1-0 — Budapest HUN
1896 — Tarrasch, Siegbert vs Teichmann, Richard — 1-0 — Nuerenberg GER
1897 — Collijn L vs Englund, Fritz — 1-0 — Stockholm SWE
8…h6 — 13.8% (955 parties)
1894 — Steinitz, Wilhelm vs Showalter, Jackson — 1-0 — New York, NY USA
1920 — Euwe, Max vs Bergdahl Larsson, Rasmus — 1-0 — Goteborg SWE
1923 — Alekhine, Alexander vs Milner Barry, Philip — 1-0 — Cheltenham ENG
1923 — Speijer, Abraham vs Spielmann, Rudolf — 0-1 — Scheveningen NED
1923 — Davidson Gallego, Jorge vs Znosko-Borovsky, Eugene — 0-1 — Scheveningen NED
8…Re8 — 8.2% (563 parties)
1905 — Forgacs, Leo vs Nimzowitsch, Aron — 0-1 — Barmen GER
1913 — Breyer, Gyula vs Von Balla, Zoltan — 0-1 — Budapest HUN
1914 — Henshaw James Bassey vs Dodds, G — 0-1 — Auckland NZL
1916 — Chajes, Oscar vs Fox, Albert — 1-0 — New York, NY USA
1919 — Capablanca, Jose vs A W Daniel — 1-0 — City of London CC, London ENG
8…a6 — 4.6% (317 parties)
1920 — Gruenfeld, Ernst vs Fiebig, Paul — 1-0 — ?
1923 — Padulli, Giuseppe vs Guarini, Carlo — 1-0 — Trieste
1923 — Euwe, Max vs Spielmann, Rudolf — 0-1 — Maehrisch Ostrau
1924 — Straat, Evert vs Kersten, J L — 1-0 — Amsterdam NED
1925 — Alekhine, Alexander vs Yates, Frederic D — 1-0 — Baden-Baden GER