D33f - 7…Bb4 8.O-O Nge7 - QGD Tarrasch: Swedish (1933)

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D33f — QGD Tarrasch: Swedish (1933)
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 c4 7.Bg2 Bb4 8.O-O Nge7
Les coups candidats
Ambassadeurs : Zhukova, Natalia (8x), Hartung-Nielsen, Jens (5x), Moskalenko, Viktor (5x), Kholmov, Ratmir D (3x), Baumbach, Friedrich, Dr. (3x), Mikenas, Alius (3x), Miralles, Gilles (3x), Bronstein, David I (3x)
Ambassadeurs : Baumbach, Friedrich, Dr. (4x), Arencibia Rodriguez, Walter (3x), Kholmov, Ratmir D (2x), Berkell, Peder (2x), Bazantova, Marie (2x), Kiik, Kalle (2x), Stelmaszyk, Nico (2x), Allen, Conroy (1x)
Ambassadeurs : Samarian, Sergiu (2x), Huch, Reiner (2x), Arencibia Rodriguez, Walter (2x), Arutiunov, Viktor (2x), Redikultsev, Boris (2x), Szabo, Laszlo (1x), Bronstein, David I (1x), Vladimirov, Boris T (1x)
Ambassadeurs : Stoltz, Gösta (3x), Kluger, Gyula (2x), Szilagyi, Gyorgy Laszlo (2x), Browne, Walter Shawn (2x), Taimanov, Mark (2x), Ziatdinov, Raset (2x), Uitto, Matti (1x), Lagland, Goran (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.e4 9.Ne5 9.a3 9.Bd2
<1800 19 47% 5% 21% 5%
1800-2200 248 33% 15% 17% 9%
2200-2600 456 41% 19% 15% 10%
2600+ 4 50% — 25% 25%
Évolution par décennie (% des parties)
Décennie N parties 9.e4 9.Ne5 9.a3 9.Bd2
1950s 41 37% 20% 12% 17%
1960s 20 50% 25% 5% 10%
1970s 27 48% 15% 11% 7%
1980s 79 41% 24% 11% 6%
1990s 282 39% 17% 16% 9%
2000s 242 38% 18% 18% 8%
2010s 152 41% 12% 16% 12%
2020s 30 30% 27% 3% 13%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.e4 41% 30% ▼ -11.4%
9.Ne5 12% 27% ▲ +14.2%
9.a3 16% 3% ▼ -12.5%
9.Bd2 12% 13% ▲ +1.5%
Parties historiques
9.e4 — 39.4% (344 parties)
1950 — Efimov, Kondrat vs Taimanov, Mark — 1-0 — USSR
1951 — Stein, Georg vs Samarian, Sergiu — 1/2-1/2 — Bucharest ROU
1952 — Prosdocimi, Arrigo vs Carvalho, Flavio — 1/2-1/2 — Sao Paulo BRA
1953 — Rapaka Samuel Paul vs Stahlberg, Gideon — 1-0 — Zurich SUI
1954 — Lilienthal, Andor vs Kholmov, Ratmir D — 1/2-1/2 — Kiev ch-URS
9.Ne5 — 17.5% (153 parties)
1950 — Bosch van Rosenthal, Edzard vs Stahlberg, Gideon — 0-1 — Amsterdam NED
1950 — Vajda, Arpad vs Bely, Miklos — 1/2-1/2 — Budapest HUN
1953 — Smyslov, Vasily vs Barda, Olaf — 1-0 — Bucharest ROU
1953 — Zamkovskaya, Violetta Aleks vs Kholmov, Ratmir D — 0-1 — Vilnius LTU
1954 — Wade, Robert G vs Kholmov, Ratmir D — 1-0 — Bucharest ROU
9.a3 — 15.1% (132 parties)
1953 — Kottnauer, Cenek vs Barden, Leonard — 1-0 — Lucerne SUI
1953 — Alexander Tadala vs Stoltz, Gösta — 1-0 — Bucharest ROU
1956 — Szabo, Laszlo vs Bronstein, David I — 1/2-1/2 — Amsterdam NED
1957 — Gligorić, Svetozar vs Abramovich Furman, Semyon — 1-0 — Leningrad RUS
1957 — Stulik, Vlastimil vs Samarian, Sergiu — 0-1 — Wch4 sf1 corr
9.Bd2 — 9.4% (82 parties)
1950 — Miguel, Nahuel vs Stoltz, Gösta — 1-0 — Bled SLO
1950 — Beni, Alfred vs Michel, Paul — 1-0 — Vienna AUT
1951 — Neikirkh, Oleg vs Makarczyk, Kazimierz — 1/2-1/2 — Sopot
1951 — Pytlakowski, Andrzej vs Stoltz, Gösta — 1-0 — Marianske Lazne zt
1951 — Kluger, Gyula vs Szilagyi, Gyorgy Laszlo — 1/2-1/2 — Hungary ch