A48l — London System
1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.Be2 d6 6.h3
Eval: [+0.20]
Les coups candidats
6…Nbd7 — 33.2% (2995 parties)
Ambassadeurs : Glienke, Manfred, Dr. (15x), Bauza, Lorenzo (9x), Filatov, Leonid (9x), Cibulka, Vladimir (8x), Schmitzer, Horst (7x), Payen, Arnaud (7x), Zavurka, Roman (7x), Levacic, Damir (6x)
6…c5 — 32.6% (2937 parties)
Ambassadeurs : Lenz, Juergen (39x), Glienke, Manfred, Dr. (22x), Ehrke, Michael (15x), Grachev, Boris (10x), Reinhardt, Bernd (10x), Staroske, Uwe Dr (9x), Hackbarth, Christa (8x), Contreras Poblete, Juan Antonio (8x)
6…b6 — 12.6% (1133 parties)
Ambassadeurs : Grachev, Boris (10x), Lenz, Juergen (7x), Ehrke, Michael (6x), Le, Kieu Thien Kim (5x), Sprotte, Norbert (5x), Glienke, Manfred, Dr. (5x), Prameshuber, Alexander (4x), Blank Goncalves, Eduardo (4x)
6…Nfd7 — 8.5% (764 parties)
Ambassadeurs : Guzewicz, Rafal (6x), Gvanceladze, Anna (5x), Zhang, Fan (4x), Chytilek, Roman (4x), Nguyen, Duc Hoa (4x), Glienke, Manfred, Dr. (4x), Prameshuber, Alexander (3x), Sprotte, Norbert (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nbd7 6…c5 6…b6 6…Nfd7
<1800 491 41% 25% 10% 7%
1800-2200 3877 35% 32% 12% 8%
2200-2600 3438 29% 36% 14% 10%
2600+ 106 12% 27% 33% 8%
Évolution par décennie (% des parties)
Décennie N parties 6…Nbd7 6…c5 6…b6 6…Nfd7
1940s 1 100%
1950s 14 79% 7% 14%
1960s 25 24% 36% 20% 16%
1970s 58 43% 31% 12% 2%
1980s 371 40% 33% 13% 4%
1990s 1323 42% 32% 9% 4%
2000s 1965 37% 30% 9% 10%
2010s 4381 30% 34% 14% 9%
2020s 880 25% 31% 16% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nbd7 30% 25% ▼ -4.5%
6…c5 34% 31% ▼ -2.9%
6…b6 14% 16% ▲ +2.1%
6…Nfd7 9% 8% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 5 parties
Kasparov, Garry — 3 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Parties historiques
6…Nbd7 — 33.2% (2995 parties)
1952 — Bauza, Lorenzo vs Bolbochan, Julio — 0-1 — Rio de Janeiro BRA
1952 — Bauza, Lorenzo vs Engels, Ludwig — 1/2-1/2 — Rio de Janeiro BRA
1952 — Bauza, Lorenzo vs Rossetto, Hector — 0-1 — Rio de Janeiro BRA
1952 — Bauza, Lorenzo vs Eliskases, Erich — 0-1 — Rio de Janeiro BRA
1954 — Bauza, Lorenzo vs Najdorf, Miguel — 0-1 — Mar del Plata zt Mar
6…c5 — 32.6% (2937 parties)
1949 — Fridstein, German vs Panov, Vasily — 1/2-1/2 — Moscow RUS
1960 — Prameshuber, Alexander vs Bilek, Istvan — 1/2-1/2 — Budapest HUN
1962 — Lauberte, Milda vs Bisarde — 0-1 — Leningrad RUS
1964 — Prameshuber, Alexander vs Rodriguez Vargas, Orestes — 0-1 — Tel Aviv olm fin-B
1964 — Prameshuber, Alexander vs Hort, Vlastimil — 1/2-1/2 — Kecskemet HUN
6…b6 — 12.6% (1133 parties)
1955 — Bauza, Lorenzo vs Flores Alvarez, Rodrigo — 1/2-1/2 — Mar del Plata ARG
1964 — Prameshuber, Alexander vs Bilek, Istvan — 1/2-1/2 — Kecskemet HUN
1964 — Olivera, Horacio vs Eliskases, Erich — 0-1 — Tel Aviv olm prel
1964 — Prameshuber, Alexander vs Bhend, Edwin — 1/2-1/2 — Kecskemet HUN
1968 — Sliwinski, Henryk vs Gulko, Boris — 1/2-1/2 — Havirov CZE
6…Nfd7 — 8.5% (764 parties)
1952 — Bauza, Lorenzo vs Rabar, Braslav — 0-1 — Rio de Janeiro BRA
1956 — Bauza, Lorenzo vs Eliskases — 1/2-1/2 — Montevideo URU
1960 — Portisch, Lajos vs Donner, Jan-Hein — 1-0 — Madrid zt plof
1967 — Prameshuber, Alexander vs Donner, Jan-Hein — 1/2-1/2 — Leysin
1968 — Prameshuber, Alexander vs Acosta Garcia, Rafael Isaac — 1-0 — Lugano SUI