B72d - 7.Bc4 - Dragon (1956)

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B72d — Dragon (1956)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Bc4
Les coups candidats
Ambassadeurs : Chandler, Murray G (6x), Slepankova, Radka (4x), Kakuk, Sandor (4x), Ebert, Manuel (4x), Farago, Sandor (4x), Cohen, David (3x), Gazik, Igor (3x), Johnson, Donta (3x)
Ambassadeurs : Farago, Sandor (4x), Miguel, Nahuel (3x), Stoffers, Jeffrey (3x), Muniz, Rafael (3x), Bitalzadeh, Mahsa (3x), Pelikan, Jorge (2x), Karpov, Anatoly (2x), Hausner, Ivan (2x)
7…Ng4 — 4.4% (163 parties)
Ambassadeurs : Gik, Evgeny (2x), Sosonko, Gennadi (2x), Berube, Richard (2x), Skold, Kristian (1x), Botvinnik, Mikhail (1x), Zlotnik, Boris A (1x), Zistnik (1x), Bubenik, M. (1x)
7…a6 — 2.9% (109 parties)
Ambassadeurs : Bastiao, Goncalo de Oliveira (2x), Estimo, Samuel (1x), Libre, Virgilio (1x), Clarke, Margaret Eileen Eli (1x), Elder, Nancy Conchar (1x), Tucker, Mr (1x), Collins, Richard (1x), O'Kelly de Galway, Alberic (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…Nc6 7…Ng4 7…a6
<1800 481 69% 22% 3% 5%
1800-2200 1755 69% 23% 4% 3%
2200-2600 462 69% 23% 5% 2%
2600+ 2 50% — 50% —
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…Nc6 7…Ng4 7…a6
1950s 5 60% 20% — 20%
1960s 83 49% 36% 5% 8%
1970s 154 53% 38% 4% 4%
1980s 167 65% 22% 10% 2%
1990s 825 73% 20% 4% 1%
2000s 1245 69% 22% 4% 2%
2010s 1065 69% 22% 4% 4%
2020s 162 73% 14% 6% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 69% 73% ▲ +4.8%
7…Nc6 22% 14% ▼ -8.7%
7…Ng4 4% 6% ▲ +1.8%
7…a6 4% 5% ▲ +1.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
7…O-O — 68.6% (2541 parties)
1959 — Blackstone, John vs Slavisch, J. — 1-0 — San Jose, CA USA
1959 — Jimenez Zerquera, Eleazar vs Donovan, Jeremiah — 1/2-1/2 — Omaha
1959 — Izvozchikov, Alexander vs Mikhael Jose Tomson — 1-0 — Moscow RUS
1960 — Blackstone, John vs Rogers, William P — 1-0 — No. CA
1960 — Wilson, Matthew R vs Collins, Richard — 0-1 — Hayes
7…Nc6 — 22.3% (826 parties)
1959 — Morrell, Phil W vs Ault, Robin — 0-1 — Omaha
1960 — Blackstone, John vs Mueller, E.H. — 1-0 — San Jose, CA USA
1962 — Rivera, Bryan vs Rijd — 1-0 — ?
1962 — Rivera, Daniel vs Reid, John (Vic) — 1-0 — Varna BUL
1964 — Boiarintsev, N vs Khasdan, Viatchesl — 1-0 — ?
7…Ng4 — 4.4% (163 parties)
1962 — Skold, Kristian vs Botvinnik, Mikhail — 0-1 — Stockholm SWE
1967 — Bubenik, M. vs Meyer, G Klar — 1-0 — corr Eberhardt-Wilhelm
1968 — Zlotnik, Boris A vs Gik, Evgeny — 1-0 — Dubna
1968 — Zistnik vs Gik, Evgeny — 1-0 — URS
1973 — Gibellato, Francesco vs Miles, Anthony J — 0-1 — Teesside ENG
7…a6 — 2.9% (109 parties)
1956 — From, Sigfred vs Korning, Peter — 0-1 — Denmark ch corr
1960 — Tucker, Mr vs Collins, Richard — 0-1 — Hayes
1962 — O'Kelly de Galway, Alberic vs Panagopoulos, Takis — 1-0 — Athens GRE
1964 — Tatai, Igor vs Beggi, Pierluigi — 0-1 — Rome ITA
1966 — Clarke, Margaret Eileen Eli vs Elder, Nancy Conchar — 1-0 — Sunderland