B84j - 7.O-O Qc7 8.a4 - Scheveningen, Classical (1923)

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B84j — Scheveningen, Classical (1923)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.a4
Les coups candidats
8…b6 — 44.4% (414 parties)
Ambassadeurs : Petrenko, Svetlana (5x), Podzielny, Karl-Heinz (4x), Ghinda, Mihail-Viorel (3x), Guido, Flavio (3x), McClement, Andrew (3x), Elstner, Rudolf (2x), Spassky, Boris Vasily (2x), Hausner, Harald (2x)
8…Be7 — 29.2% (272 parties)
Ambassadeurs : Suba, Mihai (17x), Dervishi, Erald (4x), Pedzich, Dominik (3x), Chrzaszcz, Malvina (3x), Dementiev, Oleg I (2x), Cramling, Pia (2x), Zozulia, Anna (2x), Kouvatsou, Maria (2x)
Ambassadeurs : Gungl, Theo (5x), Fieberg, Samuel (3x), Nestler, Vincenzo (2x), Nilsson, Abby (2x), Jacobsen, Hans Endrup (2x), Cvitan, Ognjen (2x), Theissen, Henning (2x), Sikula, Vaszilij (2x)
8…Nbd7 — 4.0% (37 parties)
Ambassadeurs : Salm, Maxwell (1x), Kellner, John Vincent (1x), Kampman, Tijmen (1x), Hantke, Rolf (1x), Seiffert, Robert (1x), Buchholz, Werner (1x), Kampmann, Heiko (1x), Hantke Rolf (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…b6 8…Be7 8…Nc6 8…Nbd7
<1800 33 42% 39% 6% 12%
1800-2200 335 50% 24% 19% 4%
2200-2600 468 40% 31% 26% 3%
2600+ 9 56% 33% 11% —
Évolution par décennie (% des parties)
Décennie N parties 8…b6 8…Be7 8…Nc6 8…Nbd7
1950s 16 31% 19% 25% 25%
1960s 5 60% 20% 20% —
1970s 28 18% 25% 50% 4%
1980s 64 41% 41% 14% 3%
1990s 199 33% 39% 25% 3%
2000s 313 50% 28% 17% 4%
2010s 287 49% 22% 25% 4%
2020s 21 62% 33% 5% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…b6 49% 62% ▲ +12.4%
8…Be7 22% 33% ▲ +11.4%
8…Nc6 25% 5% ▼ -20.0%
8…Nbd7 4% 0% ▼ -3.8%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 4 parties
Parties historiques
8…b6 — 44.4% (414 parties)
1951 — Kirchhammer vs Elstner, Rudolf — 1-0 — Schwerin GER
1951 — Kirchhammer, Rudolf vs Elstner, Rudolf — 1-0 — Schwerin GER
1952 — Vasconcellos, Fernando O vs Tavares da Silva, Luiz — 1-0 — Sao Paulo BRA
1959 — Czaya, Richard vs Kieninger, Georg — 1/2-1/2 — Minden
1959 — Mollekens, Jozef vs O'Kelly de Galway, Alberic — 0-1 — Blankenberge
8…Be7 — 29.2% (272 parties)
1951 — Gilg, Karl vs Koch, Berthold — 1-0 — Duesseldorf GER
1955 — Stachowitz, Rolf vs Mross, Paul — 0-1 — Hoechst ch-GER
1959 — Abiolla James vs Golombek, Harry — 0-1 — York ch-BCF
1960 — Groenegress, Wilfried vs Schneider, Klaus — 1/2-1/2 — Detmold
1975 — Ornstein, Axel vs Falk, Lars — 1-0 — ?
8…Nc6 — 21.7% (202 parties)
1950 — Porreca, Giorgio vs Nestler, Vincenzo — 1-0 — Venice ITA
1951 — De Souza Mendes, Joao vs Reinhardt, Enrique — 0-1 — Mar del Plata ARG
1958 — Unzicker, Ferdinand, Dr. vs Pachman, Ludek — 1-0 — Munchen olm
1958 — Albareda, Miguel vs Ribera Arnal, Angel — 1/2-1/2 — Catalunya
1961 — Bhend, Edwin vs Petrosian, Tigran V. — 0-1 — Zurich SUI
8…Nbd7 — 4.0% (37 parties)
1950 — Kampman, Tijmen vs Hantke, Rolf — 1-0 — Bielefeld
1950 — Kampmann, Heiko vs Hantke Rolf — 1-0 — ?
1953 — Seiffert, Robert vs Buchholz, Werner — 0-1 — Jena GER
1955 — Salm, Maxwell vs Kellner, John Vincent — 1/2-1/2 — Australia ch-4
1972 — Coldrick, Art vs Abiolla James — 1/2-1/2 — Skopje MKD