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A46p — London System
1.d4 Nf6 2.Nf3 e6 3.Bf4
Eval: [+0.07]
Les coups candidats
Ambassadeurs : Kovacevic, Slobodan (47x), Kosic, Dragan (40x), Lenz, Juergen (33x), Pereyra, Darío (33x), Kamsky, Gata (30x), Knezevic, Milorad (16x), Owens, Johnny (16x), Farago, Ivan (14x)
Ambassadeurs : Kovacevic, Slobodan (27x), Lenz, Juergen (20x), Karlik, Vladimir (18x), Knezevic, Milorad (17x), Ortega, Lexy (16x), Contreras Poblete, Juan Antonio (14x), Kosic, Dragan (14x), Bronstein, David I (13x)
Ambassadeurs : Paehtz, Elisabeth (16x), Kosic, Dragan (12x), Kamsky, Gata (11x), Lenz, Juergen (10x), Rosso, Pier Andrei (9x), Juergens, Peter (8x), Ushenina, Anna (8x), Saemisch, Friedrich (7x)
3…Be7 — 3.8% (773 parties)
Ambassadeurs : Fedorchuk, Sergey A. (6x), Glienke, Manfred, Dr. (4x), Huss, Andreas (4x), Moiseenko, Aleksei (4x), Contreras Poblete, Juan Antonio (3x), Bauer, Christian (3x), Salomon, Johan (3x), Savic, Miodrag R (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 1118 35% 25% 28% 6%
1800-2200 8418 39% 31% 24% 4%
2200-2600 7183 46% 33% 17% 3%
2600+ 274 36% 35% 23% 4%
Évolution par décennie (% des parties)
Décennie N parties 3…c5 3…b6 3…d5 3…Be7
1880s 2 100%
1910s 6 50% 50%
1920s 27 33% 30% 37%
1930s 28 39% 21% 39%
1940s 11 27% 36% 27%
1950s 14 29% 43% 29%
1960s 59 41% 27% 22% 7%
1970s 125 28% 46% 18% 6%
1980s 790 38% 37% 16% 5%
1990s 2293 34% 37% 21% 4%
2000s 4415 37% 36% 19% 4%
2010s 9240 43% 29% 21% 4%
2020s 3201 39% 23% 32% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…c5 43% 39% ▼ -4.2%
3…b6 29% 23% ▼ -5.9%
3…d5 21% 32% ▲ +11.4%
3…Be7 4% 3% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 10 parties
Hou, Yifan — 9 parties
Karpov, Anatoly — 8 parties
Kramnik, Vladimir — 5 parties
Kasparov, Garry — 4 parties
Alekhine, Alexander — 3 parties
Carlsen, Magnus — 3 parties
Gukesh D — 3 parties
Karpov, Aleksandr — 2 parties
Anand, Viswanathan — 2 parties
Parties historiques
3…c5 — 39.7% (8030 parties)
1914 — Rubinstein, Akiba vs Nimzowitsch, Aron — 1/2-1/2 — St Petersburg RUS
1919 — Rubinstein, Akiba vs Bogoljubow, Efim — 0-1 — Stockholm SWE
1919 — Rubinstein, Akiba vs Bogoljubow, Efim — 1-0 — Stockholm SWE
1920 — Rubinstein, Akiba vs Bogoljubow, Efim — 1-0 — Stockholm / Goteburg m
1922 — Burian, Ludvik vs Balogh, Janos — 1-0 — Bad Pistyan CZE
3…b6 — 30.8% (6230 parties)
1912 — Cohn, Erich vs Barasz, Zsigmond — 1/2-1/2 — Breslau GER
1914 — Rabinovich, Ilya Mar vs Romanovsky, Pjotr — 1-0 — Triberg
1914 — Rabinovich, Ilya Mar vs Romanovsky, Pjotr — 1-0 — Baden-Baden GER
1922 — Schlage, Willi vs Berndtsson, Karl — 1-0 — GER
1923 — Walter, Max vs Pokorny, Amos — 1-0 — ?
3…d5 — 22.2% (4482 parties)
1883 — Mason, James vs Blackburne, Joseph — 1/2-1/2 — London ENG
1883 — Attig D vs Powe Mike — 1-0 — USAT Skittles
1920 — Saemisch, Friedrich vs Berndtsson, Karl — 1-0 — Goteborg SWE
1920 — Saemisch, Friedrich vs Olsson, Anton — 1-0 — Goteborg SWE
1920 — Saemisch, Friedrich vs Jacobson, Ernst — 1/2-1/2 — Goteborg SWE
3…Be7 — 3.8% (773 parties)
1963 — Regan Edmund D Souza vs Mack Lee, Aizyleen — 0-1 — USA
1963 — Bronstein, David I vs Taimanov, Mark — 1-0 — Leningrad ch-URS
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