E32a — Classical Variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2
Eval: [+0.11]
Les coups candidats
Ambassadeurs : Husemann, Andreas (106x), ? (103x), Rawlings, Alan J C (90x), Drasko, Milan (87x), Salzmann, Stefan (83x), Karpov, Anatoly (82x), Van Seben, Edgar (74x), Arlandi, Ennio (72x)
Ambassadeurs : Forintos, Gyozo V (55x), ? (45x), Arkell, Keith C (40x), Csom, Istvan (37x), Tiviakov, Sergei (32x), Euwe, Max (31x), Arlandi, Ennio (30x), Ionescu, Constantin (27x)
Ambassadeurs : Dreev, Aleksey (35x), Adams, Michael (34x), Romanishin, Oleg M (31x), ? (31x), Botvinnik, Mikhail (28x), Short, Nigel D (28x), Euwe, Max (27x), Flohr, Salo (26x)
Ambassadeurs : Euwe, Max (20x), Flohr, Salo (15x), Eliskases, Erich (15x), Alekhine, Alexander (14x), Reshevsky, Samuel (12x), Milner Barry, Philip (11x), Sorensen, Ernst Leismann (9x), Keres, Paul Petrovich (9x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…O-O 4…c5 4…d5 4…Nc6
<1800 1684 45% 21% 17% 6%
1800-2200 19514 48% 22% 16% 6%
2200-2600 34793 53% 20% 16% 4%
2600+ 2794 54% 12% 28% 2%
Évolution par décennie (% des parties)
Décennie N parties 4…O-O 4…c5 4…d5 4…Nc6
1900s 1 100%
1910s 1
1920s 160 8% 38% 32%
1930s 747 9% 20% 43% 22%
1940s 661 16% 11% 30% 33%
1950s 592 14% 40% 25% 18%
1960s 519 18% 46% 21% 8%
1970s 740 23% 45% 14% 8%
1980s 2094 37% 43% 10% 4%
1990s 10334 46% 31% 13% 4%
2000s 21678 49% 24% 16% 5%
2010s 25539 54% 16% 17% 5%
2020s 7391 51% 11% 24% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…O-O 54% 51% ▼ -3.0%
4…c5 16% 11% ▼ -5.0%
4…d5 17% 24% ▲ +7.2%
4…Nc6 5% 4% ▼ -1.6%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Euwe, Max — 10 parties
Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 9 parties
Gukesh D — 5 parties
Lasker, Emanuel — 1 partie
Parties historiques
4…O-O — 48.7% (34290 parties)
1927 — Kostic, Boris vs Kmoch, Hans — 0-1 — London ENG
1927 — Reti, Richard vs Landau, Salo — 1/2-1/2 — Rotterdam m Rotterdam NED
1927 — Gruenfeld, Ernst vs Steiner, Laszlo — 0-1 — Kecskemet HUN
1927 — Winter, William vs Vidmar Milan — 1-0 — London ENG
1927 — Mueller, Helge vs Kmoch, Hans — 1/2-1/2 — Kecskemet HUN
4…c5 — 21.7% (15312 parties)
1925 — Rubinstein, Akiba vs Moritz, Bruno — 1-0 — DSB-24.Kongress
1925 — Vidmar, Milan Sr vs Alekhine, Alexander — 1/2-1/2 — Hastings ENG
1925 — Verlinsky, Boris vs Bogoljubow, Efim — 1-0 — Leningrad ch-URS
1925 — Rivas Costa, Santiago vs Anaya Oger, Hector — 0-1 — Montevideo URU
1926 — Rubinstein, Akiba vs Ahues, Carl — 1-0 — Berlin GER
4…d5 — 17.2% (12084 parties)
1900 — Dreschsler vs Malin, Alexandre — 1-0 — GER
1924 — Euwe, Max vs Fontein, George — 1-0 — NED
1926 — Rubinstein, Akiba vs Antze, Oskar — 1-0 — Hannover GER
1926 — Euwe, Max vs Alekhine, Alexander — 1/2-1/2 — Nederland m
1927 — Christiansen, Allan Nordstrand vs Nimzowitsch, Aron — 1/2-1/2 — ?
4…Nc6 — 5.1% (3609 parties)
1930 — Flohr, Salo vs Alexander, Conol Hugh — 1-0 — Hastings ENG
1931 — Nimzowitsch, Aron vs Zimmermann, Wim — 1-0 — Winterthur
1931 — Flohr, Salo vs Nimzowitsch, Aron — 0-1 — Bled SLO
1931 — Ibanez Guillen, Enrique vs Acero Falcon, Lucas Esteban — 1-0 — Argentina
1932 — Van den Bosch, Johannes vs Alexander, Conol Hugh — 1-0 — Cambridge, Guildhall