C68e - 4.Bxc6 dxc6 5.d4 - Exchange, Lasker Variation (1904)

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C68e — Exchange, Lasker Variation (1904)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.d4
Les coups candidats
5…exd4 — 93.4% (3804 parties)
Ambassadeurs : Auvinen, Esa (48x), Reer, Erdmann (21x), Barbu, George-Viorel (17x), ? (14x), Vinarcik, Jan (12x), Moody, David W (10x), Laketic, Gojko (10x), Tuovinen, Jukka (9x)
5…Bg4 — 5.3% (215 parties)
Ambassadeurs : Auvinen, Esa (3x), Dobrovolsky, Ladislav (2x), Yilmaz Dombaycigil, Gulsevil (2x), Alves, Peterson Reinan (2x), Buckley, Melanie H (2x), Wood, Suzanne (2x), Lepercq, Pierre (2x), Bevia Martinez, Luis (2x)
5…Nf6 — 0.6% (25 parties)
Ambassadeurs : Gean, Gregory (1x), Condon, R. (1x), Closs, Matthew (1x), Charest, Johanne (1x), Blackmon, Erick (1x), Schachter, Jay (1x), Scagliarini, Valentina (1x), Agosto, Erika (1x)
5…f6 — 0.5% (20 parties)
Ambassadeurs : Andreev, Afrikan (1x), Safin Safarullakhan (1x), Michel, Clement Paul (1x), Goldner, John (1x), Peters, S M A S (1x), Cargill, C. (1x), Chaves, Marcelo Ferreira (1x), Duarte, Renato Cassio del G (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…exd4 5…Bg4 5…Nf6 5…f6
<1800 422 89% 8% 2% 1%
1800-2200 1859 94% 5% 0% 0%
2200-2600 876 99% 1% — 0%
2600+ 8 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 5…exd4 5…Bg4 5…Nf6 5…f6
1950s 45 100% — — —
1960s 71 94% 4% 1% —
1970s 97 96% 4% — —
1980s 169 96% 2% 1% 1%
1990s 839 92% 7% 1% 1%
2000s 1251 93% 6% 1% 0%
2010s 1333 94% 5% 1% 0%
2020s 268 95% 3% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…exd4 94% 95% ▲ +0.8%
5…Bg4 5% 3% ▼ -1.7%
5…Nf6 1% 1% +0.2%
5…f6 0% 1% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Smyslov, Vladimir — 1 partie
Parties historiques
5…exd4 — 93.4% (3804 parties)
1950 — Henneberger, Walter vs Batchinsky, Basile — 1-0 — Lucerne SUI
1950 — Henneberger, Walter vs Janda, Adolf — 1-0 — ?
1951 — Bauza, Lorenzo vs Guimard, Carlos E — 1/2-1/2 — Mar del Plata ARG
1951 — Borochow, Harry vs Jimenez Zerquera, Eleazar — 1-0 — Los Angeles, CA USA
1951 — Ania Nahid Rosales Espinoza vs Almiron, Martin Alejandro — 0-1 — Santiago de Chile
5…Bg4 — 5.3% (215 parties)
1961 — Pimentel, Frederico Guilherme vs Camara, Helder — 0-1 — Vitoria
1969 — Kopecek, Ivan vs Dobrovolsky, Ladislav — 1/2-1/2 — Brno CZE
1969 — Babula, Milan vs Dobrovolsky, Ladislav — 0-1 — Brno CZE
1972 — Gomez Esteban, Juan Mario vs Kwan, Nam Sang Eddy — 1-0 — Skopje MKD
1977 — Aleksandrov, Viktor A. vs Yilmaz Dombaycigil, Gulsevil — 0-1 — Albena
5…Nf6 — 0.6% (25 parties)
1964 — Gean, Gregory vs Condon, R. — 1-0 — Santa Monica, CA USA
1986 — Closs, Matthew vs Charest, Johanne — 0-1 — Ottawa CAN
1989 — Blackmon, Erick vs Schachter, Jay — 1/2-1/2 — ?
1994 — Schweizer, Wolfgang, Dr. vs Jeraj, Zlatko — 0-1 — Finkenstein
1996 — Rapcsak, Andrea vs Adam, Olga — 1-0 — Paks HUN
5…f6 — 0.5% (20 parties)
1986 — Michel, Clement Paul vs Goldner, John — 1-0 — Montreal CAN
1989 — Andreev, Afrikan vs Safin Safarullakhan — 0-1 — Simferopol UKR
1992 — Auvinen, Esa vs Autio, Hannu — 1-0 — Kuopio Kalakukko
1995 — Schupp, Tobias vs Schmidt, Nils Holger — 1-0 — Hessen
1996 — Peters, S M A S vs Cargill, C. — 0-1 — corr Compuserve