B73d - 9.Kh1 - Dragon, Classical (1928)

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B73d — Dragon, Classical (1928)
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.Kh1
Les coups candidats
9…Bd7 — 46.0% (768 parties)
Ambassadeurs : Zhang, Lanlin (5x), Eliskases, Erich (4x), Barua, Dibyendu (3x), Kupreichik, Viktor D (3x), Kolesar, Milan (3x), Cote-Lalumiere, Tristan (3x), Liebstein, Arturo (2x), Bjerke, Silje (2x)
9…d5 — 23.3% (390 parties)
Ambassadeurs : Erwich, Marc (5x), Kindermann, Stefan (3x), Barua, Dibyendu (2x), Berube, Richard (2x), Mayer, Istvan (2x), Rigo, Janos (2x), Velickovic, Zoran (2x), Tan, Kevin (2x)
9…a6 — 12.6% (211 parties)
Ambassadeurs : Ruxton, Keith (2x), Jeske, Kirsten (2x), Farrancha, Hector (2x), MacKinnon, Keith (2x), Siemms, Ross E (1x), Joyner, Lionel (1x), Corominas, F. (1x), Tan, Lian Ann (1x)
9…Nxd4 — 9.8% (164 parties)
Ambassadeurs : Becker, Michael (2x), Hergott, Deen (2x), Berry, Jonathan (1x), Balmer, Charles (1x), Szabo, Stefan (1x), Milev, Zdravko (1x), Forteza Valls, Jose Maria (1x), Gorbea Yoller, Pablo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Bd7 9…d5 9…a6 9…Nxd4
<1800 160 46% 19% 16% 7%
1800-2200 870 49% 19% 14% 10%
2200-2600 319 42% 35% 7% 12%
2600+ 3 67% 33% — —
Évolution par décennie (% des parties)
Décennie N parties 9…Bd7 9…d5 9…a6 9…Nxd4
1950s 16 44% 19% 19% 6%
1960s 20 20% 30% 30% 10%
1970s 20 45% 25% 5% 15%
1980s 74 38% 39% 4% 11%
1990s 436 41% 32% 8% 12%
2000s 604 46% 20% 16% 10%
2010s 432 53% 17% 14% 7%
2020s 69 51% 25% 9% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Bd7 53% 51% ▼ -2.7%
9…d5 17% 25% ▲ +8.0%
9…a6 14% 9% ▼ -5.0%
9…Nxd4 7% 6% ▼ -1.6%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
9…Bd7 — 46.0% (768 parties)
1951 — Sumar, Julio vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1951 — Liebstein, Arturo vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1951 — Liebstein, Arturo vs Eliskases, Erich — 0-1 — Mar del Plata zt Mar
1951 — Pinzon Solis, Felipe vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1957 — Munhu, Suren vs Palmason, Gudmundur — 1/2-1/2 — Reykjavik ISL
9…d5 — 23.3% (390 parties)
1950 — Bobotsov, Milko G vs Alster, Ladislav — 1-0 — CSR-BUL Prague CZE
1955 — Ofstad, Per vs Navarovszky, Laszlo — 1/2-1/2 — Lyon FRA
1957 — Pfleger, Helmut, Dr. vs Drygas, Hilmar, Prof. Dr. — 1/2-1/2 — Berlin GER
1960 — Siveri, Armando vs Cuderman, Vinko — 1/2-1/2 — Reggio Emilia ITA
1961 — Puiggros, Guillermo vs Bielicki, Carlos — 1/2-1/2 — Mar del Plata ARG
9…a6 — 12.6% (211 parties)
1951 — Siemms, Ross E vs Joyner, Lionel — 1-0 — Montreal CAN
1957 — Braun, Alexander vs Scrimgeour — 1-0 — London ENG
1959 — Blackstone, John vs Arockia Benett Dawson — 1/2-1/2 — Omaha, NE
1961 — Gai, Sebastiano vs Rosino, Antonio — 0-1 — Imperia ITA
1961 — Grane, Eleuterio vs Bielicki, Carlos — 1/2-1/2 — Mar del Plata ARG
9…Nxd4 — 9.8% (164 parties)
1953 — Szabo, Stefan vs Milev, Zdravko — 1/2-1/2 — Bucharest ROU
1967 — Forteza Valls, Jose Maria vs Gorbea Yoller, Pablo — 1-0 — Palma de Majorca ESP
1969 — Berry, Jonathan vs Balmer, Charles — 1-0 — Richmond
1973 — Christensen, Svend-Erik vs Jensen, Allan Astrup — 1/2-1/2 — Brondby
1974 — Striebich, Rudolf vs Thomann, Johannes — 0-1 — FRG-ch Menden