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A48j — London System
1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O
Les coups candidats
Ambassadeurs : Glienke, Manfred, Dr. (40x), Pakleza, Zbigniew (38x), Lenz, Juergen (36x), Burmakin, Vladimir (34x), Abel, Lajos (18x), Nguyen Thi Mai Hung (17x), Prie, Eric (16x), Grachev, Boris (16x)
5.h3 — 26.4% (2993 parties)
Ambassadeurs : Mueller, Michael (22x), Zhukova, Natalia (20x), Lenz, Juergen (19x), Ehrke, Michael (16x), Sapis, Witalis (15x), Ledger, Stephen C (12x), Dobos, Otto (12x), Owens, Johnny (11x)
5.Nbd2 — 9.5% (1079 parties)
Ambassadeurs : Franklin, Michael J (12x), Feibert, Fred (7x), Pereyra, Darío (7x), Bondarevsky, Igor (5x), Appel, Ralf (5x), Reutimann, Hans Peter (5x), Ferry, Roger (5x), Vager, Boris (5x)
5.Bd3 — 8.2% (930 parties)
Ambassadeurs : Just, Gabriele, Dr. (11x), Hardwick, Martin E (6x), Valle, Knut (5x), Hidegh, Gabor (5x), Kosar, Mikulas (5x), Camp, Imogen A L (5x), Navarro Coloma, Antonio (5x), Bajusz, Gyorgy (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Be2 5.h3 5.Nbd2 5.Bd3
<1800 662 38% 23% 10% 18%
1800-2200 4741 46% 26% 10% 9%
2200-2600 3996 57% 29% 6% 2%
2600+ 107 68% 24% 3%
Évolution par décennie (% des parties)
Décennie N parties 5.Be2 5.h3 5.Nbd2 5.Bd3
1900s 1 100%
1920s 3 67% 33%
1930s 8 62% 12%
1940s 8 12% 25% 25% 25%
1950s 40 28% 12% 50% 8%
1960s 68 15% 24% 46% 6%
1970s 113 41% 17% 30% 4%
1980s 455 44% 31% 13% 5%
1990s 1755 40% 29% 11% 10%
2000s 2639 43% 29% 9% 10%
2010s 5232 52% 25% 8% 7%
2020s 1027 52% 24% 7% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Be2 52% 52% -0.3%
5.h3 25% 24% ▼ -0.6%
5.Nbd2 8% 7% -0.4%
5.Bd3 7% 8% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Ju, Wenjun — 4 parties
Euwe, Max — 2 parties
Smyslov, Vladimir — 2 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Alekhine, Alexander — 1 partie
Anand, Viswanathan — 1 partie
Karpov, Aleksandr — 1 partie
Ding, Liren — 1 partie
Parties historiques
5.Be2 — 47.5% (5386 parties)
1949 — Fridstein, German vs Panov, Vasily — 1/2-1/2 — Moscow RUS
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
1952 — Bauza, Lorenzo vs Bolbochan, Julio — 0-1 — Rio de Janeiro BRA
5.h3 — 26.4% (2993 parties)
1947 — Batuev, Anton vs Bronstein, David I — 0-1 — Leningrad RUS
1949 — Ulan, Ude vs Volgograd — 0-1 — telegraph
1952 — Blaszczak, Czeslaw vs Szymanski, Aleksander — 1/2-1/2 — Katowice POL
1953 — Mueller, Hans vs Averbakh, Yuri L — 1/2-1/2 — Wenen AUT-URS
1956 — Franklin, Michael J vs Alexander, Conol Hugh — 0-1 — Blackpool/ Lancashire
5.Nbd2 — 9.5% (1079 parties)
1923 — Speijer, Abraham vs Euwe, Max — 0-1 — Amsterdam NED
1923 — Speyer, Dimitri vs Euwe, Max — 0-1 — Amsterdam Club Ch.
1936 — Alekhine, Alexander vs Richter, Kurt P — 1/2-1/2 — Podebrady CZE
1936 — Romih, Max vs Richter, Kurt P — 0-1 — Munich GER
1938 — Romanovsky, Pjotr vs Kasparian, Genrikh — 1-0 — Leningrad RUS
5.Bd3 — 8.2% (930 parties)
1907 — Akonde Marshall vs Burn, Allan — 1-0 — Ostend
1926 — O Hagan J vs Allen, Warren Jackson — 0-1 — ?
1939 — Bloch Nakkerud, Ruth vs Andersson, Ingeborg — 0-1 — Buenos Aires ARG
1948 — Alvarez Suarez, Aladino vs Saborido Carre, Rafael — 0-1 — Aviles ESP
1948 — Alvarez Suarez, Aladino vs Toran Albero, Roman — 0-1 — Aviles ESP