A70k - 7…Bg7 8.h3 O-O 9.Bd3 - Classical (2012)

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A70k — Classical (2012)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.h3 O-O 9.Bd3
Les coups candidats
Ambassadeurs : Womacka, Mathias (10x), Kononenko, Dmitry (10x), Gdanski, Jacek (9x), Berelowitsch, Alexander (9x), Llorente, Jose Luis (9x), Simacek, Pavel (9x), Palkovi, Jozsef (8x), Topalov, Veselin (7x)
Ambassadeurs : Pantsulaia, Levan (11x), Velickovic, Sasa (10x), Parkanyi, Attila (9x), Horvath, Csaba (7x), Kahl, Fred (6x), Kanovsky, David (6x), Wojtkiewicz, Aleksander (5x), Zhang, Pengxiang (5x)
Ambassadeurs : Wedberg, Tom (14x), Totsky, Leonid (9x), Parkanyi, Attila (6x), Sjoberg, Mats (6x), Kytoniemi, Jyrki (4x), Degterev, Pavel (4x), Krasenkow, Michal (4x), Horvath, Csaba (3x)
Ambassadeurs : Simacek, Pavel (8x), Honsch, Pal (5x), Mollaoglu, Ergin (2x), Fedorov, Vladislav (2x), Grinfeld, Alla B (2x), San Segundo Carrillo, Pablo (2x), Zair, Abdelkarim (2x), Prakash, G B (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…b5 9…a6 9…Re8 9…Na6
<1800 336 33% 27% 22% 7%
1800-2200 3140 37% 23% 21% 9%
2200-2600 4156 39% 24% 17% 7%
2600+ 104 51% 31% 12% 1%
Évolution par décennie (% des parties)
Décennie N parties 9…b5 9…a6 9…Re8 9…Na6
1950s 8 62% 12% 12% —
1960s 4 25% — 75% —
1970s 5 — 20% 40% 40%
1980s 129 37% 25% 15% 9%
1990s 1769 37% 21% 26% 9%
2000s 2843 36% 24% 18% 8%
2010s 2980 38% 26% 17% 7%
2020s 594 45% 19% 20% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…b5 38% 45% ▲ +7.4%
9…a6 26% 19% ▼ -6.7%
9…Re8 17% 20% ▲ +2.7%
9…Na6 7% 6% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 4 parties
Ju, Wenjun — 3 parties
Hou, Yifan — 3 parties
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
9…b5 — 37.3% (3111 parties)
1953 — Taimanov, Mark vs Petrosian, Tigran V. — 0-1 — Garga
1954 — Veltmander, Iogannes vs Yudovich, Mikhail Jr — 0-1 — Riga LAT
1954 — Furman, Semyon vs Nezhmetdinov, Rashid — 1-0 — Bucharest ROU
1957 — Rapaka Samuel Paul vs Feuerstein, Arthur — 1/2-1/2 — New York, NY USA
1957 — Bisguier, Arthur B vs Feuerstein, Arthur — 1/2-1/2 — New York, NY USA
9…a6 — 23.6% (1965 parties)
1955 — Shestoperov, Aleksej vs Kots, Yuri I — 0-1 — Moscow RUS
1973 — Jovanovic, Dragan vs Ivkov, Borislav — 0-1 — Sarajevo BIH
1980 — Ryskin, Alexander vs Kveinys, Aloyzas — 0-1 — Rostov on Don
1981 — Napfer, Anna vs Vogel III, Frank C — 0-1 — Biel SUI
1983 — Skjold, Gisle vs Haugen, Arild — 1/2-1/2 — Randaberg
9…Re8 — 19.5% (1623 parties)
1955 — Siegel, Markus vs Kevitz, Alexander — 0-1 — New York, NY USA
1968 — Suetin, Alexey S vs Diaz, Joaquin, Dr. — 1-0 — Havana CUB
1968 — Olsson, Greta vs Burger, Karl — 0-1 — USA op Aspen
1968 — Diaz Salvador, Ernesto vs Cornelis, Frans B — 1/2-1/2 — Lugano SUI
1974 — Lozano Becerra, Andres Felipe vs Lazdin, Ruben E — 0-1 — ?
9…Na6 — 7.4% (616 parties)
1975 — Preda, Eugen vs Kertesz, Alfred — 1/2-1/2 — Zalau
1978 — Magrin, Antonio vs Stein Septiano Malewa Kleden — 1-0 — Munich GER
1984 — Gipson, J. vs Stone, Raymond — 0-1 — E Detroit Motor City op
1988 — Soppe, Guillermo vs Garbarino, Rodolfo — 1-0 — Buenos Aires ch-ARG
1988 — Mollaoglu, Ergin vs Fedorov, Vladislav — 0-1 — Pazardzik