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A47v — Marienbad System
1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5
Les coups candidats
5.O-O — 36.2% (437 parties)
Ambassadeurs : Tartakower, Savielly (7x), Cafferty, Bernard (5x), Eliskases, Erich (4x), Iliesco, Juan (4x), Alekhine, Alexander (4x), Capablanca, Jose (4x), Najdorf, Miguel (4x), Reinhardt, Enrique (4x)
5.dxc5 — 22.4% (270 parties)
Ambassadeurs : Tartakower, Savielly (4x), Sarosy, Zoltan L (4x), Gruenfeld, Ernst (3x), Guimard, Carlos E (3x), Golombek, Harry (3x), Opocensky, Karel (3x), Gereben, Erno (3x), Hellmann Ernesto (2x)
5.c3 — 20.9% (252 parties)
Ambassadeurs : Alekhine, Alexander (7x), Guimard, Carlos E (3x), Szabo, Ladislav (3x), Najdorf, Miguel (2x), Porath, Yosef (2x), Kupchik, Abraham (2x), Becker, Albert (2x), Petrov, Vladimir S. (2x)
5.c4 — 13.8% (167 parties)
Ambassadeurs : Alekhine, Alexander (4x), Berg, Terje Jensen (3x), Tartakower, Savielly (2x), Borodin, Vladimir (2x), Tracy, Joseph (2x), Koepcke, Richard (2x), Dornbusch, Tatiana (2x), Lengyel, Bela (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.O-O 5.dxc5 5.c3 5.c4
<1800 12 58% 17% 17% 8%
1800-2200 239 39% 22% 24% 10%
2200-2600 499 31% 23% 17% 23%
2600+ 7 29% 14% 14% 43%
Évolution par décennie (% des parties)
Décennie N parties 5.O-O 5.dxc5 5.c3 5.c4
1920s 39 36% 21% 23%
1930s 131 40% 18% 32% 4%
1940s 80 42% 29% 19% 5%
1950s 66 42% 17% 21% 9%
1960s 37 41% 24% 30% 3%
1970s 55 35% 27% 20% 11%
1980s 75 33% 20% 13% 23%
1990s 155 32% 19% 25% 18%
2000s 197 37% 24% 20% 16%
2010s 284 37% 20% 18% 19%
2020s 88 26% 35% 11% 17%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.O-O 37% 26% ▼ -11.2%
5.dxc5 20% 35% ▲ +14.8%
5.c3 18% 11% ▼ -6.9%
5.c4 19% 17% ▼ -1.6%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Hou, Yifan — 3 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5.O-O — 36.2% (437 parties)
1925 — Tarrasch, Siegbert vs Gruenfeld, Ernst — 1/2-1/2 — Breslau GER
1927 — Colle, Edgar vs Gruenfeld, Ernst — 1/2-1/2 — Kecskemet f II
1927 — Colle, Edgar vs Reti, Richard — 1/2-1/2 — London ENG
1927 — Treybal, Frantisek vs Rejfir, Josef — 1/2-1/2 — Prague CZE
1927 — Vidmar Milan vs Tartakower, Savielly — 1/2-1/2 — London ENG
5.dxc5 — 22.4% (270 parties)
1924 — Levenfish, Grigory vs Gotthilf, Yoann — 1-0 — Leningrad RUS
1925 — Rubinstein, Akiba vs Nimzowitsch, Aron — 0-1 — Marienbad CZE
1925 — Tartakower, Savielly vs Gothilf, Solomon Borisovich — 1/2-1/2 — Moscow RUS
1926 — Colle, Edgar vs Gruenfeld, Ernst — 0-1 — Budapest HUN
1926 — Moritz, Bruno vs Bluemich, Max — 0-1 — Vienna AUT
5.c3 — 20.9% (252 parties)
1922 — Olland, Adolf George vs Maroczy, Geza — 0-1 — Utrecht NED
1923 — Brinckmann, Alfred vs Nimzowitsch, Aaron — 0-1 — Kolding
1925 — Przepiorka, Dawid vs Gruenfeld, Ernst — 1/2-1/2 — Marienbad CZE
1926 — Monticelli, Mario vs Gruenfeld, Ernst — 1/2-1/2 — Budapest HUN
1926 — Davidson, Jacques vs Reti, Richard — 1/2-1/2 — Semmering AUT
5.c4 — 13.8% (167 parties)
1933 — Cintron, Rafael L vs Alekhine, Alexander — 0-1 — San Juan
1937 — Bergs, Teodors vs Alekhine, Alexander — 1/2-1/2 — Kemeri LAT
1937 — Berg, Terje Jensen vs Alekhine, Alexander — 1/2-1/2 — Kemeri (17)
1937 — Berg, Terje Jensen vs Alekhine, Alexander — 1/2-1/2 — Kemeri LAT
1937 — Berg, Terje Jensen vs Tartakower, Savielly — 1/2-1/2 — Kemeri LAT