B70n - 8…O-O - Dragon (1925)

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B70n — Dragon (1925)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O Nc6 8.Nb3 O-O
Les coups candidats
Ambassadeurs : Fishbein, Alexander (22x), Zelcic, Robert (22x), Lubbe, Melanie (15x), Krivec, Jana (13x), Petursson, Margeir (11x), Tischbierek, Raj (11x), Sosonko, Gennadi (10x), Salov, Sergej (10x)
Ambassadeurs : Schmaltz, Roland (25x), Zagrebelny, Sergey (12x), Lastin, Alexander (7x), Vokarev, Sergey (7x), Aronian, Levon (7x), Barua, Debashis (6x), Petursson, Margeir (6x), Fischer, Daniel (6x)
Ambassadeurs : Koskela, Niina (12x), Gurevich, Vladimir (8x), Semenova, Lidia K (5x), Thipsay, Praveen M (4x), Tolnai, Tibor (3x), Dairy Prasad Upadhyay (3x), Lnenickova, Gabriela (3x), Rapaka Samuel Paul (2x)
9.Kh1 — 10.2% (515 parties)
Ambassadeurs : Lengyel, Bela (17x), Cabrilo, Goran (8x), Sax, Gyula (6x), Szalanczi, Emil (6x), Healey, Michael W (6x), Strenzwilk, Denis (5x), Torre, Eugenio (4x), Ankerst, Milka (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Bg5 9.Re1 9.Be3 9.Kh1
<1800 188 47% 26% 15% 6%
1800-2200 1591 44% 30% 13% 9%
2200-2600 2840 43% 34% 9% 11%
2600+ 39 31% 54% 3% 10%
Évolution par décennie (% des parties)
Décennie N parties 9.Bg5 9.Re1 9.Be3 9.Kh1
1950s 31 — — 23% 23%
1960s 20 10% — 25% 35%
1970s 117 69% — 9% 15%
1980s 462 60% 2% 11% 24%
1990s 1234 43% 29% 11% 12%
2000s 1587 40% 37% 10% 8%
2010s 1314 44% 36% 11% 6%
2020s 292 34% 48% 12% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Bg5 44% 34% ▼ -10.6%
9.Re1 36% 48% ▲ +12.5%
9.Be3 11% 12% ▲ +1.0%
9.Kh1 6% 3% ▼ -3.6%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 6 parties
Karpov, Anatoly — 5 parties
Hou, Yifan — 3 parties
Anand, Viswanathan — 2 parties
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
9.Bg5 — 43.6% (2203 parties)
1960 — Benko, Pal vs Wexler, Bernardo — 1/2-1/2 — Buenos Aires ARG
1969 — Levitina, Irina vs Aroush Tagore — 1-0 — Beltsy
1972 — Vasiukov, Evgeni vs Kupreichik, Viktor D — 1-0 — USSR
1972 — Lein, Andreas vs David Levy — 1-0 — Cienfuegos City CUB
1973 — Bohosjan, Sarkis vs Petrik, Karol — 1-0 — Stary Smokovec SVK
9.Re1 — 30.9% (1564 parties)
1983 — Cuadras Avellana, Jordi vs Rodriguez Talavera, Juan Carlos — 1-0 — Las Palmas ESP
1985 — Winge, Stefan vs Sjodin, Bengt — 1-0 — Stockholm SWE
1985 — Ashby Prajeesh vs Wheeler, GW. — 1/2-1/2 — ?
1987 — Winge, Stefan vs Engqvist, Thomas — 1-0 — Stockholm SWE
1988 — Winge, Stefan vs Johansson, Kent 1940 — 1-0 — Jonkoping
9.Be3 — 10.9% (550 parties)
1951 — Nazarov Aly vs Zhuralev — 0-1 — USSR
1954 — Rapaka Samuel Paul vs Hendricks, Wade — 0-1 — California
1954 — Rapaka Samuel Paul vs Pilkington, R.A — 1/2-1/2 — Simultaneous exhibit
1954 — Nielsen, Bent K. vs Nielsen, Jorgen Lovgren — 1-0 — Copenhagen DEN
1955 — Benko, Francisco vs Pachman, Ludek — 0-1 — Buenos Aires ARG
9.Kh1 — 10.2% (515 parties)
1950 — Poulsen, Christian vs Castaldi, Vincenzo — 1/2-1/2 — Dubrovnik olm
1951 — Smook, Roger vs Abdou, William — 0-1 — California
1952 — Vestol, Aage vs Grob, Henry — 1/2-1/2 — Helsinki olm
1955 — Ledgerwood, Larry vs Bergman, Carl J — 0-1 — ?
1959 — Van den Berg, Carel B vs Larsen, Bent Ravn — 0-1 — Beverwijk NED