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A86f — Leningrad (1958)
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2
Les coups candidats
Ambassadeurs : Malaniuk, Vladimir P (47x), Hoang, Thanh Trang (35x), Lukacs, Peter (30x), Bakheet Farag (30x), Chen, Yanxi Lolly (25x), Sherwood, Russell (24x), Suba, Mihai (20x), Wall, Gavin (19x)
Ambassadeurs : Dzhumaev, Marat (9x), Aalders, Peter (4x), Kociscak, Jiri (3x), Cuccumini, Vittorio (3x), Boensch, Uwe (2x), Roghani, Arash (2x), Mahjoob Zardast, Morteza (2x), Celedon, Ivan (2x)
4…c6 — 0.4% (32 parties)
Ambassadeurs : Grabara, Manfred (2x), Kohlei, Rolf (2x), Satz (1x), Zamkovskaya, Violetta Aleks (1x), Lukasovics, Laszlo (1x), Carmichael, Ian (1x), Both, Gerhard (1x), Perman, Torvald (1x)
4…e6 — 0.1% (11 parties)
Ambassadeurs : Watson, Roland (2x), Cedikova, Katerina (1x), Vagner, Tomas (1x), Nestorovic, Dejan (1x), Beranger, Paul (1x), Hovorka, Tamas (1x), Katona, Ferenc (1x), Ablancourt, Jordan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bg7 4…d6 4…c6 4…e6
<1800 356 95% 3% 1% 1%
1800-2200 3313 96% 3% 1% 0%
2200-2600 3386 97% 2% 0% 0%
2600+ 73 99% 1%
Évolution par décennie (% des parties)
Décennie N parties 4…Bg7 4…d6 4…c6 4…e6
1950s 41 95% 2% 2%
1960s 65 94% 6%
1970s 153 98% 2%
1980s 392 98% 2%
1990s 1945 97% 2% 1% 0%
2000s 2680 96% 3% 0% 0%
2010s 2408 97% 2% 0% 0%
2020s 534 97% 3% 0% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bg7 97% 97% -0.4%
4…d6 2% 3% +0.3%
4…c6 0% 0% -0.3%
4…e6 0% 1% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 6 parties
Kasparov, Garry — 3 parties
Kramnik, Vladimir — 3 parties
Ju, Wenjun — 3 parties
Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
4…Bg7 — 96.8% (7951 parties)
1950 — Ritson-Morry, William vs Wood, Baruch — 1-0 — Buxton
1952 — Endzelins, Lucius vs Ozols, Karlis — 1/2-1/2 — ?
1952 — Bosch van Rosenthal, Edzard vs Kostic, Barbara — 1-0 — Beverwijk NED
1952 — Grivainis, Konstantin vs Ozols, Karlis — 1-0 — Latvian Exiles
1953 — Boxall, Ronald Frank vs Fazekas, Stephan — 1-0 — Hastings ENG
4…d6 — 2.6% (212 parties)
1957 — Samalesso, Miseal vs Vyslouzil, Antonin — 0-1 — Reykjavik ISL
1961 — Laursen, Lau vs Nergard, Ole-Kristian — 0-1 — ?
1962 — Hansen, Victor vs Blom, Kaj — 0-1 — Copenhagen DEN
1967 — Mecking, Henrique vs Botvinnik, Mikhail — 0-1 — Hastings ENG
1969 — Kushnir, Alla vs Trojanska, Evelina — 1-0 — Lublin POL
4…c6 — 0.4% (32 parties)
1958 — Satz vs Zamkovskaya, Violetta Aleks — 0-1 — Kiev UKR
1990 — Martijn vs Van Hasselt, Frank — 0-1 — corr Netherlands
1992 — Papanikolopoulos, Marios vs Ikonomou, Georgios — 0-1 — Ikaria
1995 — Lukasovics, Laszlo vs Carmichael, Ian — 1-0 — Rome ITA
1996 — Both, Gerhard vs Grabara, Manfred — 1-0 — Freudenstadt
4…e6 — 0.1% (11 parties)
1999 — Cedikova, Katerina vs Vagner, Tomas — 1/2-1/2 — Plzen CZE
2004 — Nestorovic, Dejan vs Beranger, Paul — 1-0 — Belgrade SRB
2004 — Hovorka, Tamas vs Katona, Ferenc — 1/2-1/2 — HUN
2009 — Ablancourt, Jordan vs Blittkowsky, Ralf — 1/2-1/2 — IECG
2010 — Rachmadi, Herman vs Thiyagarajah, Anand — 0-1 — Cammeray