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D15r — Accepted Alekhine:
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e3 b5 6.a4 b4
Eval: [+0.01]
Les coups candidats
7.Na2 — 62.4% (940 parties)
Ambassadeurs : Lechtynsky, Jiri (12x), Iotov, Valentin (8x), Alekhine, Alexander (6x), Reshevsky, Samuel (6x), Smyslov, Vladimir (6x), Flohr, Salo (5x), Fairhurst, William (5x), Dimitrov, Vladimir (5x)
Ambassadeurs : Schneider, Ilja (8x), Nikolic, Predrag (8x), Videki, Sandor (6x), Grivas, Efstratios (6x), Landau, Salo (5x), Euwe, Max (5x), Stahlberg, Gideon (5x), Hellsten, Johan (5x)
7.Ne2 — 2.1% (31 parties)
Ambassadeurs : Romanishin, Oleg M (6x), Bosboom, Manuel (2x), Shamkovich, Leonid (1x), Lazarev, Efim M. (1x), Middelburg, Tom (1x), Gormally, Daniel W (1x), Summerscale, Aaron P (1x), Zaitsev, Svjatoslav (1x)
7.Ne5 — 0.1% (1 parties)
Ambassadeurs : Francois, Denis (1x), Marino Frank (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Na2 7.Nb1 7.Ne2 7.Ne5
<1800 47 77% 23%
1800-2200 411 72% 26% 2%
2200-2600 633 52% 45% 3%
2600+ 25 24% 76%
Évolution par décennie (% des parties)
Décennie N parties 7.Na2 7.Nb1 7.Ne2 7.Ne5
1910s 1 100%
1920s 48 79% 21%
1930s 37 54% 46%
1940s 47 77% 23%
1950s 41 93% 7%
1960s 30 63% 33% 3%
1970s 25 60% 40%
1980s 62 47% 53%
1990s 277 40% 58% 1% 0%
2000s 442 71% 26% 3%
2010s 434 63% 34% 3%
2020s 62 74% 19% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Na2 63% 74% ▲ +10.8%
7.Nb1 34% 19% ▼ -14.5%
7.Ne2 3% 6% ▲ +3.9%
7.Ne5 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 8 parties
Alekhine, Alexander — 8 parties
Smyslov, Vladimir — 7 parties
Kasparov, Garry — 3 parties
Lasker, Emanuel — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
7.Na2 — 62.4% (940 parties)
1922 — Alekhine, Alexander vs Tarrasch, Siegbert — 1-0 — Hastings ENG
1922 — Alekhine, Alexander vs Castillo Marin, Valentina Isabella — 0-1 — Barcelona ESP
1922 — Alekhine, Alexander vs Marin y Llovet, Valentin — 0-1 — ESP
1922 — Koenig, Imre vs Saemisch, Friedrich — 0-1 — Vienna AUT
1923 — Alekhine, Alexander vs Sawyer, Joseph — 1-0 — Montreal CAN
7.Nb1 — 35.4% (533 parties)
1913 — Kupchik, Abraham vs Duras, Oldrich — 0-1 — New York m
1920 — Alekhine, Alexander vs Pavlov-Pianov, Nikolay — 1-0 — Moscow RUS
1923 — Gruenfeld, Ernst vs Tarrasch, Siegbert — 1/2-1/2 — Maehrisch Ostrau
1924 — Havasi, Kornel vs Euwe, Max — 0-1 — Unofficial Olympiad - Final A
1924 — Asztalos, Lajos vs Seitz, Jakob Adolf — 1-0 — Gyor
7.Ne2 — 2.1% (31 parties)
1966 — Shamkovich, Leonid vs Lazarev, Efim M. — 0-1 — URS
1999 — Bosboom, Manuel vs Middelburg, Tom — 1-0 — Wijk aan Zee NED
1999 — Gormally, Daniel W vs Summerscale, Aaron P — 1/2-1/2 — York ENG
2000 — Tyomkin, Dimitri vs Lesiege, Alexandre — 0-1 — Montreal CAN
2000 — Campos Moreno, Javier B. vs Franco Ocampos, Zenon — 0-1 — Open Mallorca ESP
7.Ne5 — 0.1% (1 parties)
1996 — Francois, Denis vs Marino Frank — 1-0 — Compuserve casual