C68e - 4.Bxc6 dxc6 5.d4 - Exchange Lasker Variation

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C68e — Exchange Lasker Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.d4
Eval: [-0.34]
Les coups candidats
5…exd4 — 93.1% (3973 parties)
Ambassadeurs : Auvinen, Esa (45x), Reer, Erdmann (19x), Lasker, Emanuel (15x), Bellisario, Carlo (13x), Moody, David W (12x), ? (12x), Zarkovic, Mila (11x), Munkhzul, Turmunkh (11x)
5…Bg4 — 5.6% (238 parties)
Ambassadeurs : Wolf, Siegfried (3x), Gruenfeld, Ernst (3x), Auvinen, Esa (3x), Schlage, Willi (2x), Schoenmann, Wilhelm (2x), Kieninger, Georg (2x), Spielmann, Rudolf (2x), Tarrasch, Siegbert (2x)
5…Nf6 — 0.7% (29 parties)
Ambassadeurs : Capablanca, Jose (2x), Wolf, Siegfried (1x), Gruenfeld, Ernst (1x), Post, Erhard (1x), Wagner, Heinrich (1x), JW. (1x), James, William (1x), Matisons, Hermanis LAT2 (1x)
5…f6 — 0.4% (19 parties)
Ambassadeurs : Denker, Arnold S (1x), Eastman, George (1x), Andreev, Afrikan (1x), Saadman Safin, Saad Chowdhury (1x), Michel, Clement Paul (1x), Goldner, John (1x), Peters, S M A S (1x), Cargill, C. (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 202 90% 9% 0% 0%
1800-2200 1611 94% 6% 0% 0%
2200-2600 962 99% 1% — 0%
2600+ 10 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 5…exd4 5…Bg4 5…Nf6 5…f6
1860s 1 100% — — —
1870s 1 100% — — —
1890s 4 75% 25% — —
1900s 46 100% — — —
1910s 69 75% 20% 4% —
1920s 49 86% 10% 4% —
1930s 46 93% 4% — 2%
1940s 40 90% 10% — —
1950s 45 100% — — —
1960s 70 94% 4% 1% —
1970s 97 96% 4% — —
1980s 167 96% 2% 1% 1%
1990s 841 92% 7% 1% 1%
2000s 1250 93% 6% 1% 0%
2010s 1322 94% 5% 1% 0%
2020s 220 96% 3% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…exd4 94% 96% ▲ +2.0%
5…Bg4 5% 3% ▼ -1.9%
5…Nf6 1% 0% -0.1%
5…f6 0% 0% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Euwe, Max — 9 parties
Smyslov, Vladimir — 3 parties
Karpov, Aleksandr — 2 parties
Steinitz, Wilhelm — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
5…exd4 — 93.1% (3973 parties)
1866 — Minckwitz, Johannes vs Von Schmidt, Eugen — 0-1 — Leipzig GER
1871 — Alphonso Morgan vs MacKenzie, George H — 0-1 — New York, NY USA
1892 — Marco, Georg vs Schottlaender, Arnold — 1-0 — Dresden GER
1892 — Lasker, Emanuel vs P J Hoban — 1/2-1/2 — Philadelphia, PA USA
1894 — Lasker, Emanuel vs Steinitz, Wilhelm — 0-1 — CAN Montreal, PQ, Cosmopolita
5…Bg4 — 5.6% (238 parties)
1892 — Lasker, Emanuel vs Pollock, William — 1-0 — Baltimore, MD USA
1910 — Preiswerk vs Schlage, Willi — 0-1 — Hamburg GER
1910 — Preiswerk, Walter vs Schlage, Willi — 0-1 — Hamburg GER
1911 — Wegemund, Hubert vs Thoenes — 1-0 — Cologne GER
1911 — Fahrni, Hans vs Spielmann, Rudolf — 1/2-1/2 — Munich GER
5…Nf6 — 0.7% (29 parties)
1910 — Capablanca, Jose vs JW. — 1/2-1/2 — Philadelphia, PA USA
1910 — Capablanca, Jose vs James, William — 1/2-1/2 — Philadelphia, PA USA
1917 — Wolf, Siegfried vs Gruenfeld, Ernst — 0-1 — Vienna AUT
1921 — Post, Erhard vs Wagner, Heinrich — 1-0 — Hamburg GER
1924 — Matisons, Hermanis LAT2 vs Vajda, Arpad — 1/2-1/2 — Paris FRA
5…f6 — 0.4% (19 parties)
1934 — Denker, Arnold S vs Eastman, George — 0-1 — Chicago, IL USA
1986 — Michel, Clement Paul vs Goldner, John — 1-0 — Montreal CAN
1989 — Andreev, Afrikan vs Saadman Safin, Saad Chowdhury — 0-1 — Simferopol UKR
1992 — Auvinen, Esa vs Autio, Hannu — 1-0 — Kuopio Kalakukko
1995 — Schupp, Tobias vs Schmidt, Nils Holger — 1-0 — Hessen