A46p - 3.Bf4 - London System (1963)

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A46p — London System (1963)
1.d4 Nf6 2.Nf3 e6 3.Bf4
Les coups candidats
Ambassadeurs : Kovacevic, Slobodan (49x), Lenz, Juergen (33x), Pereyra, Darío (32x), Kosic, Dragan (31x), Kamsky, Gata (26x), Knezevic, Milorad (18x), Bakheet Farag (12x), Barva, Attila Dr. (11x)
Ambassadeurs : Kovacevic, Slobodan (28x), Knezevic, Milorad (19x), Ortega, Lexy (18x), Lenz, Juergen (18x), Karlik, Vladimir (16x), Contreras Poblete, Juan Antonio (15x), Bronstein, David I (14x), Kamsky, Gata (12x)
Ambassadeurs : Kamsky, Gata (12x), Lenz, Juergen (10x), Paehtz, Elisabeth (10x), Rosso, Pier Andrei (9x), Barseghyan, Harutyun (8x), Kovacevic, Slobodan (7x), Barva, Attila Dr. (7x), Rapport, Jovana (7x)
3…Be7 — 3.8% (797 parties)
Ambassadeurs : Fedorchuk, Sergey A. (7x), Moiseenko, Aleksei (6x), Glienke, Manfred, Dr. (4x), Huss, Andreas (4x), Karpov, Anatoly (3x), Savic, Miodrag R (3x), Salomon, Johan (3x), Krstulovic, Alex (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…c5 3…b6 3…d5 3…Be7
<1800 2116 36% 23% 30% 6%
1800-2200 9587 39% 31% 24% 4%
2200-2600 6958 45% 33% 17% 3%
2600+ 263 38% 33% 21% 5%
Évolution par décennie (% des parties)
Décennie N parties 3…c5 3…b6 3…d5 3…Be7
1950s 14 29% 43% 29% —
1960s 59 41% 27% 22% 7%
1970s 126 28% 46% 18% 6%
1980s 789 38% 38% 16% 5%
1990s 2294 34% 37% 21% 4%
2000s 4422 37% 36% 19% 4%
2010s 9324 43% 29% 21% 4%
2020s 3951 39% 23% 32% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…c5 43% 39% ▼ -4.5%
3…b6 29% 23% ▼ -6.0%
3…d5 21% 32% ▲ +11.1%
3…Be7 4% 3% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Kramnik, Vladimir — 5 parties
Kasparov, Garry — 4 parties
Carlsen, Magnus — 4 parties
Gukesh D — 3 parties
Anand, Viswanathan — 2 parties
Parties historiques
3…c5 — 39.6% (8311 parties)
1954 — Sliwa, Bogdan vs Kholmov, Ratmir D — 0-1 — Bucharest ROU
1955 — Netz, Siegfried vs Dorawa, Bernhard — 0-1 — Zittau
1956 — Romih, Max vs Romani, Elio — 1-0 — Rovigo
1957 — G.k.p., Rubel vs Cherepkov, Alexander V — 0-1 — Leningrad RUS
1961 — Zemgalis, Elmars vs Dahlberg, Ivars — 1/2-1/2 — Seattle, WA USA
3…b6 — 30.6% (6411 parties)
1951 — Fel, C. vs Anderson, Frank Ross — 0-1 — Toronto CAN
1955 — Dollstadt, Jean Walter vs Chaude de Silans, Chantal — 1/2-1/2 — Toulouse FRA
1956 — Fallone, Michael vs Gupta R S — 1/2-1/2 — Moskou olm
1958 — Breustedt, Werner vs Pietzsch, Wolfgang — 1/2-1/2 — GDR-ch Schkopau GER
1959 — Malcolm, Colin M vs Nield, Alan Edgar — 1-0 — York ENG
3…d5 — 22.5% (4714 parties)
1950 — Rethy, Pal vs Koberl, Ferenc — 1/2-1/2 — Budapest HUN
1952 — Graf-Stevenson, Sonja vs Kashdan, Isaac — 0-1 — Hollywood
1954 — Boutteville, Cesar vs Noradounghian, Georges — 0-1 — Paris FRA
1956 — Fallone, Michael vs Bencker, Otto — 1/2-1/2 — Moscow RUS
1960 — Malcolm, Colin M vs Levens, David George — 1-0 — Leicester
3…Be7 — 3.8% (797 parties)
1963 — Bronstein, David I vs Taimanov, Mark — 1-0 — Leningrad ch-URS
1963 — Mwesigwa Regan vs Mack, Andrew L — 0-1 — USA
1967 — Kovacevic, Vlatko vs Matanovic, Aleksandar — 1/2-1/2 — JUG-22ch Kraljevo
1968 — Krizsan-Bilek, Gyulane vs Zivkovic-Jocic, Ljubica — 0-1 — Belgrade SRB
1970 — Krizsan-Bilek, Gyulane vs Asenova, Venka — 1/2-1/2 — Sofia BUL