E05i - 7.Qc2 - Open, Classical (1937)

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E05i — Open, Classical (1937)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 6.O-O O-O 7.Qc2
Les coups candidats
Ambassadeurs : Karpov, Anatoly (55x), Beliavsky, Alexander G (40x), Wosch, Arkadiusz (38x), Sosonko, Gennadi (33x), Ftacnik, Lubomir (31x), Andersson, Ulf (31x), Khalifman, Alexander (30x), Geller, Efim P. (28x)
7…b5 — 8.0% (1666 parties)
Ambassadeurs : Nakamura, Hikaru (7x), Bernal Varela, Nelson (6x), Nepomniachtchi, Ian (6x), Molina Rodriguez, Borja (5x), Kruse, Herbert (5x), Romanishin, Oleg M (5x), Campani, Paolo (5x), Yoo, Christopher Woojin (5x)
7…b6 — 2.8% (585 parties)
Ambassadeurs : Vijayakumar, Rishi (7x), Bacrot, Etienne (6x), Deac, Bogdan-Daniel (6x), Cheparinov, Ivan (5x), Hilverda, Alexander (5x), Dimitrova, Aleksandra (5x), Kollen, Zyon (5x), Aronian, Levon (4x)
7…c6 — 1.7% (357 parties)
Ambassadeurs : Bodrogi, Bendeguz (8x), Esipenko, Andrey (6x), Buksa, Nataliya (4x), Murzin, Volodar (4x), Andreikin, Dmitry (4x), Balabayeva, Xeniya (4x), Fiedorek, Michal (3x), Voit, Daria (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…a6 7…b5 7…b6 7…c6
<1800 679 79% 9% 1% 1%
1800-2200 6907 82% 8% 2% 2%
2200-2600 11123 85% 8% 3% 1%
2600+ 1129 86% 7% 5% 3%
Évolution par décennie (% des parties)
Décennie N parties 7…a6 7…b5 7…b6 7…c6
1950s 14 64% — — —
1960s 41 90% — — —
1970s 179 91% 1% — 1%
1980s 877 96% 0% 0% 0%
1990s 1629 91% 1% 0% 1%
2000s 3752 93% 1% 0% 1%
2010s 8927 84% 8% 3% 1%
2020s 5453 71% 17% 5% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…a6 84% 71% ▼ -13.4%
7…b5 8% 17% ▲ +10.0%
7…b6 3% 5% ▲ +1.4%
7…c6 1% 4% ▲ +2.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Tal, Mikhail — 9 parties
Kasparov, Garry — 7 parties
Parties historiques
7…a6 — 83.6% (17448 parties)
1951 — Wexler, Bernardo vs Acoltzi Ruiz, Mariana — 1-0 — Mar del Plata ARG
1953 — Estanesti, Abolfazl vs Heemsoth, Hermann — 0-1 — cr.
1953 — Ravinsky, Grigory vs Khasin, Abram — 0-1 — Moscow RUS
1954 — Bulat, Ante vs Lukin, Albert — 0-1 — Yugoslavia
1954 — Rossetto, Hector vs Benko, Francisco — 1/2-1/2 — Mar del Plata ARG
7…b5 — 8.0% (1666 parties)
1975 — Romanishin, Oleg M vs Levit, Roman — 1-0 — Riga LAT
1979 — Romanishin, Oleg M vs Azmaiparashvili, Zurab — 1-0 — Tbilisi GEO
1982 — Koshy, Varugeese vs Ravikumar, Vaidyanathan — 0-1 — Indianapolis, IN USA
1982 — Mehler, Gerhard vs Schawelka, Karl — 0-1 — Tirschenreuth
1985 — Mercadante, Ricardo Rodrigues vs Menna Barreto, Luiz Ney — 1-0 — Brasilia BRA
7…b6 — 2.8% (585 parties)
1986 — Siegl, Erich vs Karczewski, Z. — 1-0 — Baltic Sea tt5 8691
1996 — Gorelov, Sergey G vs Gorjatschev, Viktor — 1-0 — mem A.Alekhine op Mo
1996 — Gorelov, Sergey G vs Gorjatchev, Victor — 1-0 — Moscow RUS
1998 — Castillo, German vs Hughes, David M — 1/2-1/2 — ?
2002 — Carlsen, Magnus vs Arngrimsson, Dagur — 1/2-1/2 — Oslo NOR
7…c6 — 1.7% (357 parties)
1975 — Dell'Accio, Cataldo vs Musolino, Paolo — 1-0 — Catanzaro ITA
1977 — Stach, R. vs Mermagen J — 1-0 — cr.
1983 — Schiller, Eric vs A. HUDSON — 1-0 — Hyde Park
1984 — Long, Peter vs Avgousti, Petrakis — 1-0 — Thessaloniki olm
1986 — Schischke, Reinhard vs Pieper-Emden, Carsten — 1/2-1/2 — NRW-ch Neuss