D46d - 8.b3 - Bogoljubow (1924)

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D46d — Bogoljubow (1924)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Be7 7.O-O O-O 8.b3
Les coups candidats
8…b6 — 54.0% (733 parties)
Ambassadeurs : Karakehajov, Kalin (5x), Uhlmann, Wolfgang (4x), Neikirkh, Oleg (3x), Janosevic, Dragoljub (3x), Andersson, Ulf (3x), Ribli, Zoltan (3x), Malaniuk, Vladimir P (3x), Bauza, Lorenzo (2x)
8…Re8 — 16.4% (223 parties)
Ambassadeurs : Gruenfeld, Ernst (1x), Steger, Gerhard (1x), Fairhurst, William Albert (1x), Philippe, Georges (1x), Reicher, Emanoil-George (1x), Segal, Alexandru Sorin (1x), Kolvig, Bent (1x), Tornerup, John (1x)
8…Qc7 — 7.7% (104 parties)
Ambassadeurs : Galeb, Antoine (1x), Mendivil Salinas, Ismael (1x), Stenborg, Ake (1x), Conrady, Alphonse (1x), Walsh, Jim (1x), Murphy, P J (1x), Jones, Iolo C (1x), Gadau, Regina (1x)
8…a6 — 5.2% (71 parties)
Ambassadeurs : Gagloshvili, Raissa (2x), Bruel, Bruno (2x), Basson, Heinrich (2x), Gligoric, Svetozar (1x), Puc, Stojan (1x), Bouwmeester, Hans (1x), Burstein, S (1x), Bauza, Lorenzo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…b6 8…Re8 8…Qc7 8…a6
<1800 132 40% 20% 8% 6%
1800-2200 621 46% 19% 10% 6%
2200-2600 346 74% 9% 2% 4%
2600+ 8 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…b6 8…Re8 8…Qc7 8…a6
1950s 33 67% 18% 6% 3%
1960s 29 55% 14% 3% 7%
1970s 29 66% 10% 7% —
1980s 54 74% 9% 4% 4%
1990s 228 55% 19% 6% 4%
2000s 426 52% 18% 9% 6%
2010s 480 49% 16% 9% 6%
2020s 78 68% 13% 6% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…b6 49% 68% ▲ +18.6%
8…Re8 16% 13% ▼ -3.0%
8…Qc7 9% 6% ▼ -2.3%
8…a6 6% 5% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 2 parties
Parties historiques
8…b6 — 54.0% (733 parties)
1950 — Neikirkh, Oleg vs Popov, Vesselin — 1/2-1/2 — Sofia BUL
1950 — Tarasov, Vitaly vs Chistiakov, Alexander — 1/2-1/2 — Kiev UKR
1950 — Ujtelky, Maximilian vs Richter Elias Noel — 1-0 — Gotwaldov
1950 — Kotov, Alexander vs Paoli, Enrico — 0-1 — Venice ITA
1950 — Gereben, Erno vs Vajda, Arpad — 1/2-1/2 — Budapest HUN
8…Re8 — 16.4% (223 parties)
1950 — Langos, Jozsa vs Benini, Clarice — 1-0 — Moscow RUS
1951 — Ader Hausman, Walter vs Salas Romo, Julio — 1-0 — Santiago de Chile
1953 — Gruenfeld, Ernst vs Steger, Gerhard — 1-0 — Vienna AUT
1954 — Kolvig, Bent vs Tornerup, John — 1-0 — Hvidovre
1954 — Alfeevskaja vs Rusinkevich, Nina — 1/2-1/2 — Riga LAT
8…Qc7 — 7.7% (104 parties)
1953 — Walsh, Jim vs Murphy, P J — 1-0 — ?
1957 — Stenborg, Ake vs Conrady, Alphonse — 1-0 — Dublin zt
1960 — Galeb, Antoine vs Mendivil Salinas, Ismael — 1-0 — Leipzig GER
1973 — Williams, Lamar vs Boileau, Dominic — 1-0 — Montreal CAN
1978 — Jones, Iolo C vs Gadau, Regina — 0-1 — ?
8…a6 — 5.2% (71 parties)
1956 — Bouwmeester, Hans vs Burstein, S — 1/2-1/2 — Moskou olm
1960 — Bauza, Lorenzo vs Galli, Agostino — 1-0 — ?
1963 — Gligoric, Svetozar vs Puc, Stojan — 1-0 — Yugoslavia
1981 — Sartori, Spartaco vs Rupeni, Franco — 0-1 — ?
1983 — Shapiro, Daniel vs Herbst, Jean Luc — 1/2-1/2 — New York, NY USA