B73c - 8…O-O 9.f4 - Dragon Classical

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B73c — Dragon Classical
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.f4
Eval: [-0.09]
Les coups candidats
9…Qb6 — 44.7% (821 parties)
Ambassadeurs : Podlesnik, Bogdan (18x), Grosar, Kiti (13x), Grosar, Aljosa (7x), Popov, Vladimir Valentinovich (6x), Fieberg, Samuel (5x), Cedikova, Katerina (4x), Jazbinsek, Sebastjan (4x), Gayson, Peter M (4x)
9…Bd7 — 30.3% (557 parties)
Ambassadeurs : Podlesnik, Bogdan (13x), Petrov, Marian (4x), Wastney, Scott (4x), Grosar, Aljosa (3x), Grosar, Kiti (3x), Hendriks, Tobias (3x), Fieberg, Samuel (3x), Landau, Salo (2x)
9…a6 — 7.8% (143 parties)
Ambassadeurs : Alekhine, Alexander (3x), Luong, Nhat Linh (2x), Ambicho Ponce, Angel Gabriel (1x), Lasker, Emanuel (1x), Euwe, Max (1x), Samelius, C. (1x), Szabo, Ladislav (1x), Gygli, Fritz (1x)
9…Ng4 — 3.1% (56 parties)
Ambassadeurs : Grosar, Kiti (2x), Dordzhieva, Nadezhda (2x), Ovchinnikova, Julia (2x), Lasker, E. (1x), Golmayo Zupide, Celso (1x), Cortlever, Nico (1x), Wijnans, Arthur (1x), Ufimtsev, Anatoly (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Qb6 9…Bd7 9…a6 9…Ng4
<1800 100 49% 24% 8% 2%
1800-2200 663 41% 33% 9% 3%
2200-2600 334 57% 30% 4% 1%
2600+ 5 60% 40% — —
Évolution par décennie (% des parties)
Décennie N parties 9…Qb6 9…Bd7 9…a6 9…Ng4
1880s 3 — 33% — —
1890s 4 — 25% 25% 25%
1900s 6 — 83% — —
1910s 2 — — — —
1920s 10 20% 40% 20% 10%
1930s 18 67% 22% 11% —
1940s 25 48% 16% 16% 12%
1950s 36 67% 14% 3% 6%
1960s 36 33% 28% 11% 6%
1970s 40 60% 18% 12% —
1980s 88 51% 28% 6% 1%
1990s 467 43% 28% 8% 4%
2000s 574 44% 32% 8% 2%
2010s 451 45% 32% 7% 2%
2020s 76 45% 39% 7% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Qb6 45% 45% -0.1%
9…Bd7 32% 39% ▲ +7.3%
9…a6 7% 7% ▼ -0.5%
9…Ng4 2% 5% ▲ +2.8%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 5 parties
Euwe, Max — 4 parties
Lasker, Emanuel — 1 partie
Parties historiques
9…Qb6 — 44.7% (821 parties)
1924 — Lazard, Frederic vs Kohn, Stanislav — 0-1 — Paris FRA
1928 — Olland, Adolf George vs Euwe, Max — 0-1 — NED
1930 — Ahues, Carl vs Richter, Kurt P — 1/2-1/2 — Berlin GER
1933 — Rometti, Nicola Barbatto vs Frentz, Robert — 0-1 — Sarreguemines
1933 — Treybal, Karel vs Flohr, Salo — 0-1 — Mnichovo Hradiste
9…Bd7 — 30.3% (557 parties)
1885 — MacKenzie, George H vs Bird, Henry — 1/2-1/2 — Hereford
1894 — Physick, Thomas vs Wayte, William — 1-0 — ?
1903 — Loman, Rudolf vs Leussen, Benjamin — 1/2-1/2 — Hilversum NED
1905 — Kopa, Ignacy vs Hakansson, Arthur — 1-0 — Barmen GER
1905 — Jacobs, CS. vs Sawyer, Joseph — 0-1 — Montreal CAN
9…a6 — 7.8% (143 parties)
1893 — Ambicho Ponce, Angel Gabriel vs Lasker, Emanuel — 0-1 — Havana CUB
1927 — Perez Wertheim, Rodolfo vs Reti, Richard — 0-1 — The Hague NED
1929 — Cintron, Rafael L vs Turover, Isador — 0-1 — Bradley Beach
1935 — Szabo, Ladislav vs Gygli, Fritz — 1-0 — Warsaw POL
1939 — Platz, Joseph vs Eckstrom — 1-0 — New York, NY USA
9…Ng4 — 3.1% (56 parties)
1893 — Lasker, E. vs Golmayo Zupide, Celso — 1-0 — Havana CUB
1924 — Gudju, Ion ROM2 vs Kohn, Stanislaw POL3 — 1-0 — Paris FRA
1940 — Cortlever, Nico vs Wijnans, Arthur — 1-0 — Beverwijk NED
1946 — Sojka, Emil vs Grynfeld, Izaak — 1-0 — Sopot
1949 — Ufimtsev, Anatoly vs Tarasov, Vitaly — 1/2-1/2 — Leningrad RUS