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A48f — London System (1924)
1.d4 Nf6 2.Nf3 g6 3.Bf4
Les coups candidats
Ambassadeurs : Lenz, Juergen (83x), Glienke, Manfred, Dr. (64x), Burmakin, Vladimir (63x), Ehrke, Michael (42x), Zhukova, Natalia (40x), Mueller, Michael (38x), Pereyra, Darío (31x), Franklin, Michael J (28x)
3…d6 — 6.9% (1861 parties)
Ambassadeurs : Sapis, Witalis (7x), Kupreichik, Viktor D (7x), Hebden, Mark L (6x), Lenz, Juergen (6x), Grivas, Efstratios (5x), McCarthy, Brian (5x), Josting, Friedel (4x), Kasparov, Garry (4x)
3…d5 — 1.6% (427 parties)
Ambassadeurs : Skok, Joze (4x), Sena Moura, Danielle (4x), Kral, Klaudia (3x), Abdumalik, Zhansaya (3x), Bertok, Mario Jr. (2x), Daamen, Ferry (2x), Stadtmueller, Harald (2x), Andrews, Steven (2x)
3…c5 — 1.5% (408 parties)
Ambassadeurs : Popovic, Petar (3x), Pribyl, Josef (3x), Manik, Mikulas (3x), Barbeau, Sylvain (2x), Taimanov, Mark (2x), Baron, Daniel (2x), Michalek, Christoph (2x), Schamberger, Alfons (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Bg7 3…d6 3…d5 3…c5
<1800 2769 86% 9% 3% 2%
1800-2200 12652 89% 7% 2% 2%
2200-2600 7684 93% 5% 1% 1%
2600+ 264 92% 6% — 2%
Évolution par décennie (% des parties)
Décennie N parties 3…Bg7 3…d6 3…d5 3…c5
1950s 154 92% 5% 1% 2%
1960s 214 93% 4% 1% 2%
1970s 303 88% 8% 1% 3%
1980s 1138 88% 8% 1% 2%
1990s 4944 89% 8% 1% 1%
2000s 6774 89% 8% 2% 1%
2010s 10869 90% 6% 2% 2%
2020s 2622 91% 5% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Bg7 90% 91% ▲ +0.8%
3…d6 6% 5% ▼ -1.3%
3…d5 2% 2% +0.2%
3…c5 2% 2% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Carlsen, Magnus — 7 parties
Ju, Wenjun — 7 parties
Karpov, Anatoly — 6 parties
Ding, Liren — 4 parties
Smyslov, Vladimir — 3 parties
Gukesh D — 2 parties
Anand, Viswanathan — 1 partie
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
3…Bg7 — 89.6% (24213 parties)
1950 — Pavlov, Mircea-Sergiu-Aurelian vs Geller, Efim P. — 1-0 — Kiev UKR
1950 — Koberl, Ferenc vs Monostori, Lajos — 1-0 — Budapest HUN
1950 — Bondarevsky, Igor vs Liublinsky, Victor — 1/2-1/2 — Moscow RUS
1950 — Bondarevsky, Igor vs Grechkin, Dmitry M — 1-0 — Tournament team
1950 — Engalicew, Nicola vs Paoli, Enrico — 1-0 — Sorrento ch ITA
3…d6 — 6.9% (1861 parties)
1950 — Engalicew vs Ceccato, Adrien — 1-0 — Sorrento ch
1951 — Bondarevsky, Igor vs Bronstein, David I — 1/2-1/2 — Moskou ch-URS
1951 — Bondarevsky, Igor vs Bronstein, David I — 1/2-1/2 — Moscow RUS
1951 — Vinken, Alex vs Karper, Jacob G — 1-0 — Amsterdam NED
1951 — Bauza, Lorenzo vs Pinzon Solis, Felipe — 1/2-1/2 — Mar del Plata ARG
3…d5 — 1.6% (427 parties)
1951 — Rethy, Pal vs Sallay, Roland — 0-1 — Budapest HUN
1960 — Lengyel, Levente vs Bertok, Mario Jr. — 1-0 — Budapest HUN
1961 — Cuderman, Vinko vs Bertok, Mario Jr. — 1/2-1/2 — Zagreb CRO
1974 — Johansson, Hakan Varberg vs Carlsson, Nils — 0-1 — ?
1974 — Casten, Frederick vs Allen, Edward — 0-1 — New York, NY USA
3…c5 — 1.5% (408 parties)
1950 — Sandor, Bela vs Florian, Tibor — 1-0 — Budapest HUN
1954 — Guimard, Carlos E vs Benko, Francisco — 1-0 — Mar del Plata ARG
1955 — Uusi, Gunnar vs Vasiukov, Evgeni — 0-1 — Moskou ch sf
1960 — Bondarevsky, Igor vs Lloyd, Kenneth — 1-0 — Hastings ENG
1961 — Rethy, Pal vs Navarovszky, Laszlo — 1/2-1/2 — Budapest ch-HUN