Fin du contenu

Aucune page supplémentaire à charger

D23c — Mannheim Variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Qa4+
Eval: [+0.16]
Les coups candidats
Ambassadeurs : Huebner, Robert (6x), Kurajica, Bojan (6x), Portisch, Lajos (5x), Garcia Palermo, Carlos Horacio (5x), Eperjesi, Laszlo Dr. (5x), Fridman, Daniel (5x), Taimanov, Mark (4x), Benko, Pal (4x)
Ambassadeurs : Sajtar, Jaroslav (4x), Pilnik, Herman (4x), Taimanov, Mark (4x), Knezevic, Milorad (4x), Andersson, Ulf (3x), Huebner, Robert (3x), Crouch, Colin S (3x), Lechtynsky, Jiri (3x)
Ambassadeurs : Andersson, Ulf (5x), ? (4x), Raetsky, Alexander (4x), Petrosian, Tigran V. (3x), Korchnoi, Viktor (3x), Barkhagen, Jonas (3x), Crouch, Colin S (3x), Sadler, Matthew D (3x)
4…Bd7 — 4.8% (102 parties)
Ambassadeurs : Ernst, Wilhelm (3x), Book, Eero (3x), Kieninger, Georg (2x), Piket, Jeroen (2x), Nikolic, Predrag (2x), Hanks, John (1x), Kable, John Richard (1x), Tartakower, Savielly (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…c6 4…Nbd7 4…Nc6 4…Bd7
<1800 28 25% 18% 18% 36%
1800-2200 516 40% 27% 25% 5%
2200-2600 1048 42% 27% 24% 2%
2600+ 56 39% 18% 36% 4%
Évolution par décennie (% des parties)
Décennie N parties 4…c6 4…Nbd7 4…Nc6 4…Bd7
1900s 1 100%
1910s 1 100%
1930s 37 35% 32% 14% 8%
1940s 36 22% 50% 6% 14%
1950s 30 23% 67% 7%
1960s 87 40% 25% 18% 2%
1970s 51 37% 43% 14%
1980s 170 45% 17% 31% 2%
1990s 380 43% 19% 31% 4%
2000s 552 42% 25% 25% 5%
2010s 598 40% 27% 24% 6%
2020s 175 33% 33% 27% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…c6 40% 33% ▼ -7.6%
4…Nbd7 27% 33% ▲ +5.3%
4…Nc6 24% 27% ▲ +2.9%
4…Bd7 6% 5% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 6 parties
Botvinnik, Mikhail — 3 parties
Euwe, Max — 3 parties
Smyslov, Vladimir — 3 parties
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Ju, Wenjun — 2 parties
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Gukesh D — 1 partie
Parties historiques
4…c6 — 40.1% (849 parties)
1904 — Brown Mark Felix vs Mackenzie, Arthur J — 0-1 — London ENG
1917 — Banks, Newell vs Mlotkowski, Stasch — 1/2-1/2 — California
1934 — Bogoljubow, Efim vs Alekhine, Alexander — 1-0 — Mannheim wch-m
1935 — Botvinnik, Mikhail vs Levenfish, Grigory — 1-0 — Moskou
1935 — Flohr, Salo vs Stoltz, Gabriel — 1-0 — Warsaw POL
4…Nbd7 — 26.1% (553 parties)
1934 — Mueller von Blumencron, Heiko vs ? — 1-0 — Villingen
1934 — MULLER vs ? — 1-0 — Villingen
1934 — Mueller, Hans vs Gruenfeld, Ernst — 1-0 — Vienna AUT
1935 — Botvinnik, Mikhail vs Lasker, Emanuel — 1/2-1/2 — Moscow RUS
1935 — AlekhineMendia vs GromerLardizabal — 1-0 — San Sebastian ESP
4…Nc6 — 25.0% (529 parties)
1935 — Alekhine, Alexander vs Boeoek Eero — 1/2-1/2 — Warschau olm
1935 — Alekhine, Alexander vs Book, Eero — 1/2-1/2 — Warsaw ol Warsaw POL
1936 — Havasi, Kornel vs Kluger, Gyula — 0-1 — Budapest HUN
1937 — Tartakower, Savielly vs Reynolds, Arthur — 1-0 — Ostende
1937 — De Souza Mendes, Joao vs Schneidermann, Boris — 1-0 — Sao Paulo BRA
4…Bd7 — 4.8% (102 parties)
1937 — Tartakower, Savielly vs Book, Eero — 1-0 — It Kemeri LAT
1937 — Baad Schmidt, Noah vs Book, Eero — 0-1 — Stockholm SWE
1937 — Bolbochan, Jacobo vs Book, Eero — 1/2-1/2 — Stockholm SWE
1940 — Kieninger, Georg vs Ernst, Wilhelm — 1/2-1/2 — Cologne GER
1940 — Ernst, Wilhelm vs Kieninger, Georg — 1-0 — Cologne GER