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A89a — Leningrad Main Line
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 Nc6
Eval: [+0.81]
Les coups candidats
Ambassadeurs : Welz, Peter, Dr. (52x), Rendle, Thomas E (23x), Bocanegra Moreno, Rufino (22x), Zeitlein, Michael (21x), Reilly, Tim (19x), Fritsche, Frank (15x), Troia, Elio (15x), Bjelajac, Milan (14x)
Ambassadeurs : Tella, Jussi (6x), Galyas, Miklos (5x), Golcman, Evgeny (4x), Seitz, Jakob Adolf (3x), Kolcak, Marek (3x), Barbeau, Sylvain (3x), Savchenko, Stanislav (3x), Keskinen, Sauli (3x)
8.Qc2 — 3.1% (229 parties)
Ambassadeurs : Bocanegra Moreno, Rufino (5x), Bertok, Mario Jr. (2x), Ghitescu, Theodor (2x), De Greif, Boris (2x), Burdio Gracia, Delfin (2x), Larsen, Bent (2x), Radics, Laszlo (2x), Baumbach, Friedrich, Dr. (2x)
8.Re1 — 2.6% (192 parties)
Ambassadeurs : Schroeder, Klaus (2x), Tsapalin, Sergey (2x), Falbesaner, E. (1x), Koch, Patrick (1x), Roberts, Mark S (1x), Strobel, Ferdinand (1x), Kupka, G. (1x), Liebert, U. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.d5 8.b3 8.Qc2 8.Re1
<1800 125 60% 7% 2% 9%
1800-2200 2667 68% 8% 4% 4%
2200-2600 3087 85% 8% 2% 1%
2600+ 30 90% 10%
Évolution par décennie (% des parties)
Décennie N parties 8.d5 8.b3 8.Qc2 8.Re1
1930s 4 25% 75%
1940s 2 50%
1950s 50 66% 10% 14%
1960s 133 71% 8% 8% 3%
1970s 276 79% 7% 3% 1%
1980s 404 82% 7% 4% 1%
1990s 1958 76% 9% 2% 2%
2000s 2162 77% 6% 3% 3%
2010s 2024 72% 8% 4% 3%
2020s 297 75% 9% 2% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.d5 72% 75% ▲ +3.0%
8.b3 8% 9% ▲ +0.6%
8.Qc2 4% 2% ▼ -2.2%
8.Re1 3% 5% ▲ +2.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Botvinnik, Mikhail — 3 parties
Karpov, Anatoly — 2 parties
Carlsen, Magnus — 2 parties
Karpov, Aleksandr — 1 partie
Euwe, Max — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
8.d5 — 75.5% (5518 parties)
1931 — Horowitz, Albert Israel vs Kostic, Boris — 1/2-1/2 — Prague CZE
1952 — Keres, P. vs Kortchnoi, V. — 1-0 — Moskou ch-URS
1953 — Troianescu, Octav vs Dolmatov, Sergey — 0-1 — Rumania ch
1953 — Tartakower, Savielly vs Alexander, Conol Hugh — 1/2-1/2 — Hastings ENG
1953 — Alatortsev, Vladimir N. vs Blom, Kaj — 1/2-1/2 — Copenhagen DEN
8.b3 — 7.7% (560 parties)
1931 — Thomas, George Alan vs Seitz, Jakob Adolf — 1/2-1/2 — Nice FRA
1934 — Fine, Reuben vs Seitz, Jakob Adolf — 1-0 — Syracuse
1938 — Blaine, Martin vs Seitz, Jakob Adolf — 0-1 — Brighton, Royal Pavilion
1949 — Krogius, Nikolai V vs Kuzminykh, Evgeny — 1/2-1/2 — Leningrad RUS
1954 — Sokolsky, Alexey vs Pimenov, Serafim — 1/2-1/2 — Erevan ARM
8.Qc2 — 3.1% (229 parties)
1954 — Plater, Kazimierz vs Kwilecki, Andrzej — 0-1 — Lodz POL
1954 — Koskinen, Hannu E. vs Ciocaltea, Victor — 1/2-1/2 — Prague CZE
1954 — Benkner, Otto vs Parliaros, Dimitrios — 1-0 — Amsterdam NED
1955 — Toran Albero, Roman vs De Greif, Boris — 1-0 — Mar del Plata ARG
1955 — Ravn, Palle vs Larsen, Bent — 1/2-1/2 — Copenhagen DEN
8.Re1 — 2.6% (192 parties)
1961 — Damjanovic, Marko vs Kozomara, Vlado — 1/2-1/2 — Sarajevo BIH
1967 — Kupka, G. vs Liebert, U. — 0-1 — Halle GER
1968 — Falbesaner, E. vs Koch, Patrick — 1-0 — corr GER
1968 — Roberts, Mark S vs Strobel, Ferdinand — 1/2-1/2 — Ybbs
1971 — Marshall, Blair vs Grove T — 1-0 — Staffordshire