D66a - 8.Bd3 - Orthodox Main Line (1902)

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D66a — Orthodox Main Line (1902)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3
Les coups candidats
Ambassadeurs : Zielinski, Sergej (24x), Trifunovic, Petar (16x), Franzen, Jozef (11x), Kahn, Evarth Dr. (11x), Pfleger, Helmut, Dr. (9x), Pommrich, Rainer (8x), Nikolaevsky, Yuri V (7x), Ree, Hans (7x)
Ambassadeurs : Lengyel, Bela (12x), Radulov, Ivan (9x), Federau, Juergen (4x), O'Kelly de Galway, Alberic (3x), Sorin, Ariel (3x), Amura, Claudia (3x), Werner, Dimo (3x), Kiese, Matthias, Prof. Dr. (3x)
Ambassadeurs : Saemisch, Friedrich (2x), Werbeck, Torsten (2x), Klawonn, Malin (2x), Stojnic, Miodrag (2x), Zullkafli, Nur Shazwani (2x), Giustolisi, Alberto (1x), Siveri, Armando (1x), Therien, Jules (1x)
Ambassadeurs : Grigoriants, Sergey (5x), Byrne, Robert E (4x), Westermeier, Arnulf (3x), Ranieri, Fabrizio (3x), Amaro, Lucas Ibrair (2x), Gligoric, Sofija (2x), Bobotsov, Milko G (2x), Brenninkmeijer, Joris (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…dxc4 8…h6 8…Re8 8…a6
<1800 361 60% 19% 10% 2%
1800-2200 2590 64% 15% 11% 4%
2200-2600 1612 71% 12% 6% 7%
2600+ 28 57% 7% — 36%
Évolution par décennie (% des parties)
Décennie N parties 8…dxc4 8…h6 8…Re8 8…a6
1950s 142 73% 15% 6% 4%
1960s 168 79% 11% 4% 5%
1970s 238 74% 15% 4% 5%
1980s 616 76% 11% 5% 4%
1990s 1394 66% 13% 10% 5%
2000s 1983 66% 13% 10% 4%
2010s 1375 63% 17% 9% 4%
2020s 180 62% 13% 4% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…dxc4 63% 62% ▼ -1.1%
8…h6 17% 13% ▼ -4.3%
8…Re8 9% 4% ▼ -4.9%
8…a6 4% 5% ▲ +1.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 8 parties
Tal, Mikhail — 3 parties
Carlsen, Magnus — 1 partie
Parties historiques
8…dxc4 — 67.1% (4092 parties)
1950 — Panagopoulos, Takis vs Niemela, Ilmari Aarne — 1/2-1/2 — Dubrovnik CRO
1950 — O'Kelly de Galway, Alberic vs Aabel Thomas Eapen — 1-0 — Hastings ENG
1950 — Taimanov, Mark vs Bondarevsky, Igor — 1/2-1/2 — Szcawno Zdroj
1950 — Kottnauer, Cenek vs Tartakower, Savielly — 1/2-1/2 — Amsterdam NED
1950 — Holowach, Walter vs Connell, Percy — 1/2-1/2 — Edmonton CAN
8…h6 — 14.0% (852 parties)
1950 — Pinzon Solis, Felipe vs Primavera, Giuseppe — 1/2-1/2 — Olympiad Dubrovnik YUG
1950 — O'Kelly de Galway, Alberic vs Vidmar, Milan Sr — 1/2-1/2 — Bled SLO
1950 — Collins Justin vs Malmgren, Harald — 0-1 — corr Wch1
1950 — Cucka, Josef vs Hosnedl, Vlastimil — 1-0 — Chocen
1951 — Chemes, Luis vs Pappier, Carlos — 1/2-1/2 — Buenos Aires ARG
8…Re8 — 8.7% (531 parties)
1950 — Therien, Jules vs Brunet, Phil — 0-1 — Montreal CAN
1952 — Giustolisi, Alberto vs Siveri, Armando — 1-0 — Salsomaggiore Terme
1952 — Rosselson, Leon vs Tidmarsh, David A — 1-0 — Hastings ENG
1952 — Casas Perea, Fernando vs Incutto, Carlos — 1-0 — Buenos Aires ARG
1953 — Donner, Jan-Hein vs Saemisch, Friedrich — 1-0 — Saarbruecken
8…a6 — 4.3% (261 parties)
1952 — Amaro, Lucas Ibrair vs Bolbochan, Jacobo — 1/2-1/2 — Mar del Plata ARG
1952 — Rabar, Braslav vs Bolbochan, Julio — 1/2-1/2 — Helsinki olm
1952 — Casas Perea, Fernando vs Amaro, Lucas Ibrair — 1/2-1/2 — Buenos Aires ARG
1953 — Kholmov, Ratmir D vs Panov, Vasily — 1-0 — Vilnius LTU
1955 — Shagalovich, Abo vs Goldenov, Boris P — 0-1 — Minsk BLR