A87i — Leningrad, Main Line (1956)
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6
Les coups candidats
Ambassadeurs : Malaniuk, Vladimir P (127x), Hoang, Thanh Trang (72x), Sherwood, Russell (54x), Aalders, Peter (43x), Marten, Gero (43x), Pirs, Matjaz (42x), Clares Huanca, Danner Saed (38x), Vrana, Frantisek (35x)
Ambassadeurs : Matulovic, Milan (5x), Wexler, Bernardo (3x), Ditt, Egon (3x), Kovacs, Gabor (3x), Geisler, Fabian (3x), Steinmacher, Josef (3x), Jakubowski, Krzysztof (3x), Uhlmann, Wolfgang (2x)
Ambassadeurs : Comas Fabrego, Lluis (12x), Cvetkovic, Srdjan (9x), Keene, Raymond D (8x), Titz, Heimo (6x), Horvath, Peter (5x), Ker, Anthony F (4x), Bielmeier, Ludwig (4x), Minev, Nikolay N (4x)
7.b4 — 1.2% (244 parties)
Ambassadeurs : Alieva, Elmira (4x), Monzon, Cristian (3x), Rozycki, Robert (2x), Kosintseva, Tatiana (2x), Vladimirov, Yevgeniy (2x), Jurcik, Marian (2x), Malaniuk, Vladimir P (1x), Ulak, Slawomir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Nc3 7.b3 7.d5 7.b4
<1800 842 91% 4% 2% 1%
1800-2200 7951 89% 4% 3% 1%
2200-2600 9253 90% 4% 4% 1%
2600+ 227 94% 1% 3% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.Nc3 7.b3 7.d5 7.b4
1950s 49 86% 4% 8% —
1960s 149 81% 7% 10% —
1970s 401 81% 4% 13% —
1980s 1143 86% 4% 8% 1%
1990s 4516 87% 5% 5% 0%
2000s 5651 89% 4% 3% 2%
2010s 6951 92% 4% 2% 1%
2020s 1720 92% 3% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Nc3 92% 92% ▲ +0.8%
7.b3 4% 3% ▼ -0.7%
7.d5 2% 2% +0.2%
7.b4 1% 1% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 9 parties
Carlsen, Magnus — 8 parties
Tal, Mikhail — 5 parties
Botvinnik, Mikhail — 3 parties
Gukesh D — 2 parties
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Hou, Yifan — 1 partie
Parties historiques
7.Nc3 — 89.5% (18413 parties)
1950 — Alatortsev, Vladimir N. vs Kuzminykh, Evgeny — 1/2-1/2 — URS-ch sf Leningard
1951 — Nedeljkovic, Srecko M vs Fuderer, Andrija — 1-0 — Ljubljana
1951 — Tsvetkov, Aleksandar vs Basjuni, Sad Zaglul — 1-0 — Marianske Lazne zt
1951 — Milev, Zdravko vs Urseanu, Veniamin — 1/2-1/2 — Bucharest ROU
1951 — Keller-Hermann, Edith vs Bogoljubow, Efim — 1/2-1/2 — Dortmund GER
7.b3 — 4.1% (850 parties)
1950 — Kan, Ilya A vs Kuzminykh, Evgeny — 1-0 — Leningrad RUS
1959 — Bilek, Adam vs Haag, Bengt — 1-0 — Budapest HUN
1960 — Wexler, Bernardo vs Uhlmann, Wolfgang — 1/2-1/2 — Buenos Aires BCA
1960 — Wexler, Bernardo vs Uhlmann, Wolfgang — 1/2-1/2 — Buenos Aires ARG
1962 — Gudmundsson, Arinbjorn vs Stoltz, Gabriel — 1/2-1/2 — Varna olm
7.d5 — 3.6% (743 parties)
1952 — Pytlakowski, Andrzej vs Partyka, Kazimierz — 1/2-1/2 — Miedzyzdroje
1956 — Aronson, Lev vs Khasin, Abram — 1-0 — Moscow RUS
1956 — Vyslouzil, Antonin vs Weiner, Milan — 0-1 — Bratislava SVK
1959 — Forintos, Gyozo V vs Haag, Ervin — 0-1 — Balatonfured
1963 — Agostini, Aurel vs Nilsson, Zandor — 1-0 — Sweden
7.b4 — 1.2% (244 parties)
1987 — Vladimirov, Yevgeniy vs Malaniuk, Vladimir P — 1-0 — Tashkent UZB
1987 — Sosa Macho, Federico vs Escofet, Jaime — 0-1 — Piriapolis
1988 — Rozycki, Robert vs Ulak, Slawomir — 1/2-1/2 — Poznan POL
1988 — Rozycki, Robert vs Domosud, Miroslaw — 1/2-1/2 — Poznan POL
1988 — Bangiev, Alexander vs Karpman, Vadim — 1-0 — Lvov UKR