D66f - 8…h6 9.Bh4 - Orthodox Main Line (1923)

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D66f — Orthodox Main Line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 h6 9.Bh4
Les coups candidats
Ambassadeurs : Lengyel, Bela (15x), Ubilava, Elizbar (11x), Gaprindashvili, Nona (11x), Stahlberg, Gideon (10x), Rossetto, Hector (9x), Sergeant, Edward (8x), Hoenlinger, Baldur (7x), Maderna, Carlos (6x)
9…Re8 — 9.1% (214 parties)
Ambassadeurs : Ulms, Sandra (2x), Kolvig, Bent (1x), Kjaer Larsen, Maximillian C (1x), Alekhine, Alexander (1x), Vuletich, F. (1x), Factor, Samuel D (1x), Showalter, Jackson (1x), Belson, John Harold (1x)
9…b6 — 7.7% (180 parties)
Ambassadeurs : Jasnikowski, Zbigniew (3x), Matlak, Marek (3x), Enevoldsen, Harald (2x), Hertneck, Gerald (2x), Le, Thi Ha (2x), Kukhmazov, Arsen (2x), Van Bommel, Ton (2x), Gemzoe, Jacob (1x)
9…a6 — 6.7% (157 parties)
Ambassadeurs : Alekhine, Alexander (3x), Maroczy, Geza (3x), Kotov Lundqvist, Alex (2x), Pirc, Vasja (2x), Kieninger, Georg (2x), Engels, Ludwig (2x), Mirzoev, Azer (2x), Shipunov, Vladimir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…dxc4 9…Re8 9…b6 9…a6
<1800 87 56% 14% 9% 9%
1800-2200 816 64% 12% 8% 6%
2200-2600 680 76% 4% 7% 7%
2600+ 26 73% — 8% 19%
Évolution par décennie (% des parties)
Décennie N parties 9…dxc4 9…Re8 9…b6 9…a6
1890s 1 100% — — —
1920s 19 63% 11% — 21%
1930s 62 77% 2% 2% 16%
1940s 56 82% 2% 2% 11%
1950s 35 77% 11% 3% 3%
1960s 44 59% 9% 5% 2%
1970s 76 71% 3% 7% 8%
1980s 208 77% 6% 5% 6%
1990s 412 59% 14% 10% 6%
2000s 612 66% 10% 8% 4%
2010s 690 67% 9% 8% 8%
2020s 130 71% 5% 8% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…dxc4 67% 71% ▲ +3.7%
9…Re8 9% 5% ▼ -3.2%
9…b6 8% 8% +0.5%
9…a6 8% 7% ▼ -1.5%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 9 parties
Euwe, Max — 5 parties
Steinitz, Wilhelm — 1 partie
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
9…dxc4 — 67.2% (1577 parties)
1894 — Steinitz, Wilhelm vs Showalter, Jackson — 1-0 — New York, NY USA
1920 — Euwe, Max vs Bergdahl Larsson, Rasmus — 1-0 — Goteborg SWE
1924 — Alekhine, Alexander vs M Monsky — 1-0 — New York, NY USA
1924 — Alekhine, Alexander vs Monsky, J. — 1-0 — New York, NY USA
1924 — Monticelli, Mario vs Foraboschi, Raffaello — 1-0 — Foligno ITA
9…Re8 — 9.1% (214 parties)
1926 — Factor, Samuel D vs Showalter, Jackson — 1-0 — Chicago, IL USA
1927 — Alekhine, Alexander vs Vuletich, F. — 1-0 — Santiago de Chile
1936 — Belson, John Harold vs Fox, Maurice — 0-1 — Toronto CAN
1949 — Kolvig, Bent vs Kjaer Larsen, Maximillian C — 1-0 — Copenhagen DEN
1950 — Porreca, Alessio vs Siveri — 1-0 — Sorrento ch
9…b6 — 7.7% (180 parties)
1938 — Enevoldsen, Harald vs Nielsen, Julius — 1-0 — Copenhagen DEN
1941 — Enevoldsen, Harald vs Gemzoe, Jacob — 1-0 — Copenhagen DEN
1952 — Winants, Henri vs Lemaire, Robert — 1/2-1/2 — Ghent
1962 — O'Kelly de Galway, Alberic vs Papadopoulos, Agathaggelos — 1-0 — Athens GRE
1969 — Gligoric, Svetozar vs Feller, Josy — 1-0 — Praia da Rocha
9…a6 — 6.7% (157 parties)
1923 — Speijer, Abraham vs Spielmann, Rudolf — 0-1 — Scheveningen NED
1923 — Davidson Gallego, Jorge vs Znosko-Borovsky, Eugene — 0-1 — Scheveningen NED
1928 — Von Doery, Ladislaus vs Lichtenstein, Bernhard — 1/2-1/2 — Vienna AUT
1929 — Rivarola, Joao vs Garcia Vera, Oscar — 0-1 — Rosario ARG
1931 — Alekhine, Alexander vs Maroczy, Geza — 1-0 — Bled Bled SLO