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A48k — London System
1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.Be2
Eval: [+0.22]
Les coups candidats
Ambassadeurs : Lenz, Juergen (28x), Glienke, Manfred, Dr. (28x), Pakleza, Zbigniew (17x), Nguyen Thi Mai Hung (15x), Burmakin, Vladimir (15x), Abel, Lajos (13x), Grachev, Boris (12x), Payen, Arnaud (11x)
5…c5 — 16.1% (879 parties)
Ambassadeurs : Pakleza, Zbigniew (16x), Glienke, Manfred, Dr. (10x), Prie, Eric (9x), Andrianov, Nikolai (8x), Levacic, Damir (6x), Burmakin, Vladimir (6x), Dreev, Aleksey (5x), Lenz, Juergen (4x)
5…d5 — 7.7% (424 parties)
Ambassadeurs : Lenz, Juergen (6x), Atanasov, Anthony (4x), Abel, Lajos (4x), Kouatly, Bachar (3x), Schinis, Marios (3x), Milesi, Laurent (3x), Py, Jean (3x), Payen, Arnaud (3x)
5…b6 — 3.5% (193 parties)
Ambassadeurs : Cherepanova, Evita (3x), Potapova, Margarita (3x), Liebert, Heinz (2x), Vogt, Lothar (2x), Levacic, Damir (2x), Dreev, Aleksey (2x), Pakleza, Zbigniew (2x), Ovod, Evgenija (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…d6 5…c5 5…d5 5…b6
<1800 257 75% 7% 15% 3%
1800-2200 2260 73% 14% 9% 3%
2200-2600 2270 70% 21% 6% 4%
2600+ 73 60% 25% 4% 11%
Évolution par décennie (% des parties)
Décennie N parties 5…d6 5…c5 5…d5 5…b6
1940s 1 100%
1950s 11 45% 55%
1960s 10 80% 20%
1970s 46 67% 17% 7% 9%
1980s 202 63% 22% 9% 5%
1990s 711 69% 18% 8% 4%
2000s 1136 73% 15% 9% 3%
2010s 2810 72% 16% 8% 3%
2020s 546 75% 15% 6% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…d6 72% 75% ▲ +3.1%
5…c5 16% 15% ▼ -0.6%
5…d5 8% 6% ▼ -2.0%
5…b6 3% 3% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie
Parties historiques
5…d6 — 71.9% (3934 parties)
1949 — Fridstein, German vs Panov, Vasily — 1/2-1/2 — Moscow RUS
1952 — Bauza, Lorenzo vs Bolbochan, Julio — 0-1 — Rio de Janeiro BRA
1952 — Bauza, Lorenzo vs Rabar, Braslav — 0-1 — Rio de Janeiro BRA
1954 — Bauza, Lorenzo vs Corral, Hector — 1/2-1/2 — Montevideo URU
1954 — Bauza Fernandez, Lucia Valentina vs De Carvalho Machado, Fernando — 1/2-1/2 — Montevideo URU
5…c5 — 16.1% (879 parties)
1950 — Pavlov, Mircea-Sergiu-Aurelian vs Geller, Efim P. — 1-0 — Kiev UKR
1951 — Bauza, Lorenzo vs Toran Albero, Roman — 1/2-1/2 — San Rafael
1951 — Bauza, Lorenzo vs Reinhardt, Enrique — 1-0 — Mar del Plata ARG
1954 — Guimard, Carlos E vs Jauregui, Carlos — 1-0 — Mar del Plata ARG
1956 — Bolbochan, J. vs Najdorf, Rafael — 1/2-1/2 — Mar del Plata ARG
5…d5 — 7.7% (424 parties)
1972 — Kulur Coskun vs Sutton, Richard J — 1/2-1/2 — Skopje MKD
1972 — Travers, Roy B. vs Hill, Ken — 1/2-1/2 — Melbourne AUS
1979 — Rodgaard, John vs Beckemeyer, Werner — 1/2-1/2 — Muerren
1980 — Travers, Roy B. vs Edgar Hamilton Da Silva, Domingos — 0-1 — Adelaide ch-Australia
1981 — Campos Ortega, Serge vs De Jonghe, Bruno — 1/2-1/2 — Sint-Niklaas
5…b6 — 3.5% (193 parties)
1974 — Liebert, Heinz vs Vogt, Lothar — 1/2-1/2 — Halle GER
1974 — Liebert, Heinz vs Vogt, Lothar — 1/2-1/2 — Halle GER
1978 — Rytov, Boris vs Bronstein, David I — 0-1 — Daugavpils LAT
1979 — Macdonald-Ross, Michael vs Chandler, Murray G — 0-1 — Brighton ENG
1982 — Mokry, Karel vs Ftacnik, Lubomir — 1/2-1/2 — Frenstat