B70j - 6…a6 - Dragon (1938)

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B70j — Dragon (1938)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 a6
Les coups candidats
7.Be3 — 46.4% (754 parties)
Ambassadeurs : Krueger, Hilmar (6x), Krüger, Hilmar (4x), Magold, Filip (3x), Bykhovsky, Anatoly A (2x), Filipowicz, Andrzej (2x), Jimenez Zerquera, Eleazar (2x), Nestler, Vincenzo (2x), Staldi, Cherubino (2x)
7.O-O — 38.2% (620 parties)
Ambassadeurs : Andriasian, Zaven (7x), Jansa, Vlastimil (6x), Ljubojevic, Ljubomir (5x), Krutti, Valer (5x), Farago, Sandor (5x), Pakosta, Stanislav (4x), Saravanan, V. (4x), Krueger, Hilmar (4x)
7.g4 — 5.4% (87 parties)
Ambassadeurs : Georgiev, Kiril (6x), Stojanovic, Dalibor (3x), Kulaots, Kaido (2x), Xu, Jun (2x), Smirin, Ilia (2x), Horvath, Tamas (1x), Barczay, Laszlo (1x), Robatsch, Karl (1x)
7.Bg5 — 3.4% (56 parties)
Ambassadeurs : Cords (1x), Woest, HL. (1x), Lindqvist, Henry (1x), Keski, Hakuni Mauno (1x), Anay Barche (1x), Szollosi, Laszlo Sr (1x), Gusev, Vladimir A (1x), Zolotonos, Leonid (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Be3 7.O-O 7.g4 7.Bg5
<1800 157 56% 36% 1% 3%
1800-2200 644 52% 34% 3% 3%
2200-2600 509 32% 45% 11% 4%
2600+ 26 31% 46% 23% —
Évolution par décennie (% des parties)
Décennie N parties 7.Be3 7.O-O 7.g4 7.Bg5
1950s 8 88% — — 12%
1960s 38 74% 13% — 8%
1970s 52 38% 42% 4% 8%
1980s 59 47% 39% 2% —
1990s 277 43% 40% 5% 6%
2000s 450 42% 41% 6% 4%
2010s 640 47% 38% 6% 2%
2020s 101 58% 31% 5% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Be3 47% 58% ▲ +11.1%
7.O-O 38% 31% ▼ -7.4%
7.g4 6% 5% ▼ -0.8%
7.Bg5 2% 0% ▼ -2.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie
Parties historiques
7.Be3 — 46.4% (754 parties)
1950 — Nestler, Vincenzo vs Staldi, Cherubino — 1/2-1/2 — Venice ITA
1950 — Nestler, Vincenzo vs Staldi, Cherubino — 1/2-1/2 — Venice ITA
1954 — Daniel, Roger vs Mazzoni, Guy — 0-1 — Marseille FRA
1957 — De Castro Rubio, Dora vs De Heilbronner, Odile — 0-1 — Rio de Janeiro BRA
1957 — Blackstone, John vs Sutherland, Jim — 1-0 — No. CA
7.O-O — 38.2% (620 parties)
1960 — Sakharov, Yuri N vs Stein, Leonid — 0-1 — Kiev UKR
1962 — Fischer, Robert J vs Schweber, Samuel — 1-0 — Stockholm SWE
1966 — Benabud, Dris vs Aguilar Flores, Julio Alexis — 1-0 — Havana CUB
1966 — Badiola De Miguel, Carlos vs Miana, Elias — 1-0 — Cordoba ARG
1967 — Platonov, Igor vs Petkevich, Jusefs — 1/2-1/2 — Moscow RUS
7.g4 — 5.4% (87 parties)
1972 — Robatsch, Karl vs Szabo, Laszlo — 1/2-1/2 — Amsterdam NED
1978 — Horvath, Tamas vs Barczay, Laszlo — 0-1 — HUN-ch Budapest HUN
1986 — Gallinnis, Norbert vs Stashans, Aivars — 1/2-1/2 — corr Baltic tt
1996 — Visweswaran, K. vs Saravanan, V. — 1-0 — Chennai
1996 — Svidler, Peter vs Xu, Jun — 1/2-1/2 — Erevan olm
7.Bg5 — 3.4% (56 parties)
1956 — Anay Barche vs Szollosi, Laszlo Sr — 1-0 — Budapest HUN
1963 — Lindqvist, Henry vs Keski, Hakuni Mauno — 1-0 — ?
1964 — Cords vs Woest, HL. — 0-1 — Oakland
1968 — Gusev, Vladimir A vs Zolotonos, Leonid — 1-0 — Riga LAT
1971 — Garcia Martinez, Silvino vs Kovacs, Abel — 0-1 — Reggio Emilia ITA