B84j - 7.O-O Qc7 8.a4 - Scheveningen Classical [+0.30]

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B84j — Scheveningen Classical
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.a4
Eval: [+0.30]
Les coups candidats
8…b6 — 44.3% (429 parties)
Ambassadeurs : Podzielny, Karl-Heinz (4x), Dao, Thien Hai (4x), Hausner, Ivan (3x), Guido, Flavio (3x), Petrenko, Svetlana (3x), Wojtaszek, Radoslaw (3x), Fedorchuk, Sergey A. (3x), McClement, Andrew (3x)
8…Be7 — 28.8% (279 parties)
Ambassadeurs : Suba, Mihai (18x), Dervishi, Erald (4x), Dumitrescu, Dragos-Nicolae (3x), Ioseliani, Nana (3x), Zozulia, Anna (3x), Gruzmann, Boris (3x), Pedzich, Dominik (3x), Florian, Jaromir (2x)
Ambassadeurs : Spirin, Oleg (5x), Gungl, Theo (5x), De Souza Mendes, Joao (3x), Fieberg, Samuel (3x), Soltanici, Ruslan (3x), Yanofsky, Daniel Abraham (2x), Kotov, Alexander (2x), Platonov, Igor V (2x)
8…Nbd7 — 3.9% (38 parties)
Ambassadeurs : Hantke Rolf (2x), Johner, Paul (1x), Fontein, George (1x), Kampmann, Heiko (1x), Salm, Maxwell (1x), Kellner, John Vincent (1x), Kampmann Lutz (1x), Seiffert Robert (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 14 29% 21% 36% 14%
1800-2200 283 52% 25% 18% 5%
2200-2600 505 42% 32% 24% 3%
2600+ 9 44% 33% 22% —
Évolution par décennie (% des parties)
Décennie N parties 8…b6 8…Be7 8…Nc6 8…Nbd7
1920s 1 — — — 100%
1930s 9 67% — 33% —
1940s 27 37% 26% 33% —
1950s 16 31% 19% 25% 25%
1960s 5 60% 20% 20% —
1970s 26 15% 27% 50% 4%
1980s 64 39% 42% 14% 3%
1990s 199 33% 39% 25% 3%
2000s 314 50% 28% 17% 4%
2010s 287 49% 22% 25% 4%
2020s 20 65% 30% 5% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…b6 49% 65% ▲ +15.5%
8…Be7 22% 30% ▲ +8.0%
8…Nc6 25% 5% ▼ -19.7%
8…Nbd7 4% 0% ▼ -3.8%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 4 parties
Parties historiques
8…b6 — 44.3% (429 parties)
1936 — Horowitz, Albert Israel vs Santasiere, Anthony — 1-0 — Philadelphia, PA USA
1937 — Larsson, Ernst vs Fine, Reuben — 0-1 — Goteborg SWE
1937 — Levenfish, Grigory vs Ragozin, Viacheslav — 0-1 — Tbilisi ch-URS
1938 — Kopaev, Nikolay A vs Alatortsev, Vladimir N. — 1-0 — Leningrad RUS
1939 — Adams, Weaver vs Green, Matthew R — 1/2-1/2 — New York, NY USA
8…Be7 — 28.8% (279 parties)
1941 — Cortlever, Nico vs Lundin, Erik — 1/2-1/2 — Munich GER
1942 — Unzicker, Ferdinand, Dr. vs Zimmetshauser — 1-0 — Munich GER
1943 — Florian, Jaromir vs Sajtar, Jaroslav — 1-0 — Prague CZE
1944 — Stulik, Vlastimil vs Pachman, Ludek — 1-0 — Brno ch CZE
1944 — Florian, Jaromir vs Sajtar, Jaroslav — 1-0 — Brno ch CZE
8…Nc6 — 22.0% (213 parties)
1936 — Riumin, Igor vs Konstantinopolsky, Alexander — 1-0 — Leningrad RUS
1937 — Vos, WH. vs Fine, Reuben — 1/2-1/2 — Amsterdam NED
1937 — Levenfish, Grigory vs Makogonov, Vladimir — 1-0 — Tbilisi ch-URS
1941 — Cortlever, Nico vs Leepin, Peter — 1-0 — Munich GER
1941 — Palme, Rudolf vs Junge, Klaus — 0-1 — GER-ch Bad Oeynhausen GER
8…Nbd7 — 3.9% (38 parties)
1923 — Johner, Paul vs Fontein, George — 1-0 — Scheveningen NED
1950 — Kampmann, Heiko vs Hantke Rolf — 1-0 — ?
1950 — Kampmann Lutz vs Hantke Rolf — 1-0 — Bielefeld
1953 — Seiffert Robert vs Buchholz Werner — 0-1 — Jena GER
1955 — Salm, Maxwell vs Kellner, John Vincent — 1/2-1/2 — Australia ch-4