E05m - 9.Qxc4 - Open, Classical

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E05m — Open, Classical
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 6.O-O O-O 7.Qc2 a6 8.a4 Bd7 9.Qxc4
Les coups candidats
Ambassadeurs : Beliavsky, Alexander G (34x), Kozul, Zdenko (24x), Harvey, Donald J (19x), Karpov, Anatoly (18x), Aronian, Levon (18x), Salzmann, Stefan (18x), Allawi Rawlings (17x), Mikhalevski, Victor (16x)
9…b5 — 0.5% (31 parties)
Ambassadeurs : Priehoda, Vitezslav (1x), Usachyi, Vladimir (1x), Foisor, Ovidiu-Doru (1x), Olivier, Jean-Christophe (1x), Rotstein, Arkadij (1x), Horvath, Peter (1x), Hoffman, Alejandro (1x), Franco, Haroldo Jose de Arruda (1x)
9…Nc6 — 0.2% (10 parties)
Ambassadeurs : Maiwald, Jens-Uwe (1x), Masserey, Yvan (1x), Vuilleumier, Alexandre (1x), O`Toole, George E (1x), Bukarin, Mikhail (1x), Guaimare Rodriguez, Carlos Luis (1x), Alfaro de Hombre, José Manuel (1x), Vicioso Sánchez, Manuel (1x)
9…Bd6 — 0.0% (3 parties)
Ambassadeurs : Kriksciunas, Bronislavas (1x), Kurylo, Risard Dr (1x), Mueller, Olaf (1x), Tschann, Stephan (1x), Jean, Pierre (1x), Pensimus, Petr (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Bc6 9…b5 9…Nc6 9…Bd6
<1800 197 99% 1% 1% —
1800-2200 2065 99% 1% 0% 0%
2200-2600 3606 100% 0% 0% 0%
2600+ 526 100% 0% — —
Évolution par décennie (% des parties)
Décennie N parties 9…Bc6 9…b5 9…Nc6 9…Bd6
1970s 33 100% — — —
1980s 124 99% 1% — —
1990s 400 100% 0% 0% —
2000s 993 99% 1% — 0%
2010s 2843 99% 0% 0% 0%
2020s 2239 99% 1% 0% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Bc6 99% 99% -0.1%
9…b5 0% 1% +0.2%
9…Nc6 0% 0% -0.1%
9…Bd6 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Carlsen, Magnus — 8 parties
Gukesh D — 8 parties
Anand, Viswanathan — 7 parties
Kasparov, Garry — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
9…Bc6 — 99.2% (6581 parties)
1974 — Rogoff, Kenneth vs Barczay, Laszlo — 1/2-1/2 — Polanica Zdroj POL
1975 — Mednis, Edmar J vs Commons, Kim S — 1-0 — Oberlin ch-USA
1975 — Mednis, Edmar J vs Barczay, Laszlo — 1/2-1/2 — Szolnok
1977 — Polugaevsky, Lev vs Geller, Efim P. — 1/2-1/2 — Leningrad ch-URS
1977 — Alburt, Lev vs Spiridonov, Nikola — 1-0 — Decin CZE
9…b5 — 0.5% (31 parties)
1989 — Priehoda, Vitezslav vs Usachyi, Vladimir — 1-0 — Bratislava SVK
1995 — Foisor, Ovidiu-Doru vs Olivier, Jean-Christophe — 1-0 — Lyon op Lyon FRA
2001 — Rotstein, Arkadij vs Horvath, Peter — 0-1 — Seefeld
2001 — Hoffman, Alejandro vs Franco, Haroldo Jose de Arruda — 1-0 — Sao Paulo BRA
2005 — Volodin, Viktor vs Stavrianakis, Ioannis — 0-1 — Stare Mesto CZE
9…Nc6 — 0.2% (10 parties)
1993 — Maiwald, Jens-Uwe vs Masserey, Yvan — 1-0 — Zug
2011 — Vuilleumier, Alexandre vs O`Toole, George E — 1-0 — Gatwick
2013 — Bukarin, Mikhail vs Guaimare Rodriguez, Carlos Luis — 1-0 — LSS
2015 — Sokratov, Stanislav vs Geshnizjani, Ramin, Dr. — 1-0 — Stuttgart GER
2016 — Alfaro de Hombre, José Manuel vs Vicioso Sánchez, Manuel — 1-0 — ICCF
9…Bd6 — 0.0% (3 parties)
2009 — Kriksciunas, Bronislavas vs Kurylo, Risard Dr — 1/2-1/2 — ICCF
2017 — Mueller, Olaf vs Tschann, Stephan — 1-0 — Baden
2017 — Jean, Pierre vs Pensimus, Petr — 1-0 — ICCF