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E53a — Main Line (1950)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5
Les coups candidats
Ambassadeurs : Donner, Jan-Hein (106x), Gligoric, Sofija (98x), Portisch, Lajos (97x), Taimanov, Mark (79x), Rapaka Samuel Paul (62x), Miguel, Nahuel (59x), Knaak, Rainer (59x), Korchnoi, Viktor (55x)
7.cxd5 — 2.8% (523 parties)
Ambassadeurs : Campani, Paolo (12x), Kolanek, Roman (8x), Levin, Ev (7x), Krush, Irina (6x), So, Wesley (6x), Bredenhof, Bo (5x), Smirnova, Ekaterina (5x), Abdisalimov, Abdimalik (5x)
Ambassadeurs : Letelier Martner, Rene (3x), Alexander Tadala (3x), Tombolis, Christopher (3x), Jovancevic, Jovan (3x), Korchnoi, Viktor (2x), Padevsky, Nikola (2x), Borisenko-Belova, Valentina (2x), Cappello, Renato (2x)
7.Qc2 — 0.1% (16 parties)
Ambassadeurs : Marthaler, Otto (1x), Pachman, Ludek (1x), Snellmann (1x), Grafe, James (1x), Lorinczi, Pedro (1x), Wade, Robert G (1x), Kim, Sergey (1x), Elias, Sadoque Nascimento Jose (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.cxd5 7.a3 7.Qc2
<1800 776 94% 3% 4% 0%
1800-2200 5359 94% 3% 3% 0%
2200-2600 8227 95% 3% 2%
2600+ 667 93% 6% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.cxd5 7.a3 7.Qc2
1950s 830 98% 0% 2%
1960s 1149 98% 0% 2% 0%
1970s 1083 98% 0% 1% 0%
1980s 948 98% 0% 2%
1990s 1696 96% 1% 2% 0%
2000s 4210 96% 1% 3% 0%
2010s 7741 95% 3% 2% 0%
2020s 1252 79% 17% 4% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 95% 79% ▼ -15.9%
7.cxd5 3% 17% ▲ +14.4%
7.a3 2% 4% ▲ +1.5%
7.Qc2 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 9 parties
Kasparov, Garry — 8 parties
Smyslov, Vladimir — 7 parties
Ju, Wenjun — 7 parties
Karpov, Aleksandr — 4 parties
Parties historiques
7.O-O — 94.8% (17920 parties)
1950 — Opsahl, Kristoffer vs Lambert, Hans — 0-1 — Dubrovnik olm
1950 — Bondarevsky, Igor vs Sokolsky, Alexey — 1/2-1/2 — Moskou ch-URS
1950 — Alexander Tadala vs Sokolsky, Alexey — 1-0 — Moskou ch-URS
1950 — Gligoric, Sofija vs Eliskases, Erich — 1/2-1/2 — Mar del Plata ARG
1950 — Amaro, Lucas Ibrair vs Acoltzi Ruiz, Mariana — 1/2-1/2 — Mar del Plata ARG
7.cxd5 — 2.8% (523 parties)
1950 — Collet, Hugo vs Eken, Max — 1/2-1/2 — It Beverwijk NED
1957 — Kampenuss, Peteris vs Klavins, Janis — 0-1 — Riga LAT
1961 — Macek, Oldrich vs Brychta, Vladimir — 1-0 — Brno CZE
1965 — Abanin, Vladimir vs Golombek, Harry — 1/2-1/2 — Zagreb CRO
1970 — Segal, Alexandru Sorin vs Ungureanu, Emil — 1/2-1/2 — Bucharest ROU
7.a3 — 2.2% (419 parties)
1951 — Szilagyi, Gyorgy Laszlo vs Pogats, Jozsef Jr. — 0-1 — Hungary ch
1952 — Wolstenholme, John vs Wilkinson, Bernard Landon — 1-0 — Bolton
1952 — Rometti, Nicola Barbatto vs Bergraser, Volf — 1/2-1/2 — Charleville Mezieres
1954 — Napolitano, Mario vs Aguayo, Cesar — 0-1 — Trieste
1955 — Owens, Benjamin vs Bisguier, Arthur B — 0-1 — ?
7.Qc2 — 0.1% (16 parties)
1961 — Marthaler, Otto vs Pachman, Ludek — 0-1 — Graz AUT
1965 — Snellmann vs Grafe, James — 0-1 — corr Baltic
1970 — Lorinczi, Pedro vs Wade, Robert G — 0-1 — Siegen GER
1995 — Kim, Sergey vs Elias, Sadoque Nascimento Jose — 1-0 — Sao Lourenco WYCF-U12b
1996 — Litterst, Reinhard vs Frey, Walter — 1-0 — Schloss Schney (21.06.-29.06)