E04x - 5…Nc6 6.Qa4 Bb4+ 7.Bd2 Nd5 - Open [+0.21]

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E04x — Open
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Nc6 6.Qa4 Bb4+ 7.Bd2 Nd5
Eval: [+0.21]
Les coups candidats
8.Bxb4 — 83.8% (2394 parties)
Ambassadeurs : Langer, Raimund (22x), Szczepanski, Zbigniew (15x), Gromotka, Harry (11x), Frijling, Jeroen (10x), Frolyanov, Dmitry (10x), Aleksandrov Ivanchev, Aleksandar (10x), Mason, Ian J (10x), Potrata, Janko (9x)
8.Qb5 — 11.4% (327 parties)
Ambassadeurs : Campbell, Eoin S. (9x), Rawlings, Alan J C (5x), Kaupert, Vanildo João (5x), Burmeister, Ferdinand (5x), Nickoloff, Bryon (3x), Tkachiev, Vladislav (3x), Heiermann, Ludger (3x), Vanheste, Jeroen (2x)
8.Qc2 — 1.6% (45 parties)
Ambassadeurs : Iljiushenok, Ilia (3x), Slobodjan, Roman (2x), Dittmar, Peter (1x), Antic, Danijel (1x), Zivanic, Marko (1x), Kishnev, Sergey (1x), Nedobora, Mikhail (1x), Miller, Evgeny (1x)
8.O-O — 1.3% (37 parties)
Ambassadeurs : Baklanov, Valentin Petrovich (2x), Ning, Kaiyu (2x), Huebner, Robert (1x), Luther, Thomas (1x), Akesson, Ralf (1x), Sokolov, Andrei (1x), Golubovic, Boris (1x), Palac, Mladen (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Bxb4 8.Qb5 8.Qc2 8.O-O
<1800 30 80% 13% — 3%
1800-2200 804 85% 10% 1% 2%
2200-2600 1753 82% 13% 2% 1%
2600+ 93 86% 9% 3% 1%
Évolution par décennie (% des parties)
Décennie N parties 8.Bxb4 8.Qb5 8.Qc2 8.O-O
1940s 1 100% — — —
1950s 2 100% — — —
1960s 1 100% — — —
1980s 9 89% 11% — —
1990s 142 84% 13% — 1%
2000s 561 86% 8% 1% 2%
2010s 1751 86% 11% 0% 1%
2020s 390 71% 17% 7% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Bxb4 86% 71% ▼ -15.1%
8.Qb5 11% 17% ▲ +6.2%
8.Qc2 0% 7% ▲ +7.0%
8.O-O 1% 3% ▲ +2.0%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 4 parties
Ju, Wenjun — 3 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Anand, Viswanathan — 1 partie
Botvinnik, Mikhail — 1 partie
Gukesh D — 1 partie
Parties historiques
8.Bxb4 — 83.8% (2394 parties)
1949 — Aizenshtadt, Mark vs Taimanov, Mark — 0-1 — Leningrad RUS
1954 — Veltmander, Iogannes vs Gipslis, Aivars — 1/2-1/2 — Riga LAT
1956 — Zilber, Israel vs Rovner, Dmitry — 1-0 — Leningrad RUS
1960 — Shamkovich, Leonid vs Vladimirov, Boris T — 1/2-1/2 — Moscow RUS
1980 — Filipek, Alex vs Juricek, Stanislav — 1-0 — corr ch-CSSR
8.Qb5 — 11.4% (327 parties)
1989 — Vanheste, Jeroen vs Sosonko, Gennadi — 1/2-1/2 — Amsterdam NED
1990 — Stajcic, Nikola M vs Siklosi, Zoltan — 0-1 — Kecskemet HUN
1991 — Fominyh, Alexander vs Plachetka, Jan — 1/2-1/2 — Rimavska Sobota SVK
1994 — Romanishin, Oleg M vs Dokhoian, Yury — 1-0 — Bonn
1995 — Taylor, Gordon vs Littke, Adam — 1-0 — Ottowa ch-CAN
8.Qc2 — 1.6% (45 parties)
2000 — Slobodjan, Roman vs Kishnev, Sergey — 1-0 — Solingen GER
2001 — Slobodjan, Roman vs Dittmar, Peter — 1/2-1/2 — Arco ITA
2001 — Antic, Danijel vs Zivanic, Marko — 1/2-1/2 — Belgrade SRB
2005 — Scholseth, Tor Kristian vs Jakubowski, Krzysztof — 0-1 — Gausdal NOR
2005 — Ritsema, Ronald J. E. vs João, Névio — 0-1 — ICCF
8.O-O — 1.3% (37 parties)
1993 — Huebner, Robert vs Luther, Thomas — 1/2-1/2 — Duitsland tt
2000 — Akesson, Ralf vs Sokolov, Andrei — 1-0 — Upplands Vasby SWE
2000 — Golubovic, Boris vs Palac, Mladen — 1/2-1/2 — chT-SLO Bled SLO
2002 — Rauk, Tonu vs Vaher, Andres — 1-0 — Tallinn EST
2002 — Donaldson, John vs Lobo, Richard — 0-1 — San Francisco, CA USA