B84x - 7.O-O Be7 8.f4 Qc7 9.Be3 - Scheveningen Classical

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B84x — Scheveningen Classical
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Be7 8.f4 Qc7 9.Be3
Eval: [+0.27]
Les coups candidats
Ambassadeurs : Suba, Mihai (10x), Stohl, Igor (9x), ? (7x), Lombard, Andre (7x), Adamski, Jan (6x), Novikov, Igor (6x), Pedzich, Dominik (6x), Ribli, Zoltan (6x)
Ambassadeurs : Cheparinov, Ivan (4x), Zejda, Karel (4x), Popilski, Gil (4x), Lazarev, Vladimir (3x), Relange, Eloi (3x), Horvath, Adam (3x), Ould Ahmed, Samy (3x), Garcia Ruiz, Adrian (3x)
9…b5 — 11.9% (334 parties)
Ambassadeurs : Sigurjonsson, Gudmundur (3x), Georgiev, Krum (3x), Boelker, Franz (3x), Andersson, Ulf (2x), Cheparinov, Ivan (2x), Ruddat, Judith (2x), Motuz, Karol (2x), Guzzetti, Luigi Enrico (2x)
9…Nbd7 — 10.1% (283 parties)
Ambassadeurs : Halouzka (2x), Basanta, Gary (2x), Gross, Stefan (2x), Crespo Raimundo, Francisco (2x), Dao, Thien Hai (2x), Muhren, Melissa (2x), Degebrodt, Frank (2x), Novikov, Igor (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…O-O 9…Nc6 9…b5 9…Nbd7
<1800 80 45% 18% 20% 14%
1800-2200 909 41% 29% 16% 12%
2200-2600 1139 61% 23% 8% 6%
2600+ 22 73% 18% — 9%
Évolution par décennie (% des parties)
Décennie N parties 9…O-O 9…Nc6 9…b5 9…Nbd7
1920s 1 100% — — —
1930s 7 29% 43% — 14%
1940s 14 21% 57% — 21%
1950s 41 51% 24% 10% 10%
1960s 54 37% 33% 7% 11%
1970s 128 66% 16% 6% 9%
1980s 195 62% 18% 9% 8%
1990s 633 55% 22% 11% 10%
2000s 964 46% 30% 13% 8%
2010s 692 47% 25% 13% 13%
2020s 74 50% 22% 16% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…O-O 47% 50% ▲ +2.9%
9…Nc6 25% 22% ▼ -3.8%
9…b5 13% 16% ▲ +3.2%
9…Nbd7 13% 11% ▼ -2.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 5 parties
Tal, Mikhail — 2 parties
Lasker, Emanuel — 1 partie
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
9…O-O — 50.3% (1409 parties)
1924 — Lasker, Emanuel vs Musilova, Veronika — 0-1 — 10.26 sim CZE Prague
1934 — Kan, Ilya A vs Makogonov, Vladimir — 1-0 — Leningrad ch-URS
1938 — Thomas, George Alan vs Szabo, Laszlo — 0-1 — Hastings ENG
1942 — Dobias, Josef vs Kottnauer, Cenek — 0-1 — Chocen
1945 — Shatashvili vs Petrosian, Tigran A. — 1-0 — Tbilisi GEO
9…Nc6 — 25.4% (712 parties)
1931 — Sozin, Veniamin vs Botvinnik, Mikhail — 1-0 — Moskou ch-URS
1933 — Milner Barry, Philip vs Eliskases, Erich — 1/2-1/2 — Hastings ENG
1936 — Apscheneek, Fricis vs Feigin, Movsa — 0-1 — Riga LAT
1940 — Levenfish, Grigory vs Kotov Lundqvist, Alex — 0-1 — Moskou ch-URS
1947 — Malmgren, Harald vs Nielsen Reinholt — 1-0 — ?
9…b5 — 11.9% (334 parties)
1952 — Kucera, Jan vs Pachman, Ludek — 1-0 — Tatranska Lomnica
1953 — Kellner, John Vincent vs Steiner, Lajos — 0-1 — Hobart
1957 — Secula, Victor vs Schroeder, Andre — 1/2-1/2 — Hamburg GER
1959 — Simandl, Karel vs Zajic, Jiri — 0-1 — Trebic
1960 — Luik, Helmuth vs Spassky, Boris V. — 1/2-1/2 — Rostov on Don
9…Nbd7 — 10.1% (283 parties)
1936 — Kan, Ilya A vs Ragozin, Viacheslav — 1-0 — Moscow RUS
1940 — Mross, Paul vs Bogoljubow, Efim — 1-0 — Krakow/Krynica/Warsaw
1942 — Ivashin, Alex vs Abramov, Lev — 0-1 — Kuibyshev
1949 — Nolte, Ernst vs Pietzsch, Wolfgang — 0-1 — Bad Klosterlausnitz
1956 — Sterner, Olof vs Bilek, Istvan — 0-1 — Dresden GER