B42d - 5…Qc7 - Kan (1904)

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B42d — Kan (1904)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Qc7
Les coups candidats
6.O-O — 77.2% (5495 parties)
Ambassadeurs : Meijers, Viesturs (21x), Schneider, Bernd (20x), Vyzmanavin, Alexey (12x), Kanovsky, David (12x), Velikov, Petar (10x), Orso, Miklos (9x), Tania, Sachdev (9x), Medvegy, Nora Dr. (9x)
Ambassadeurs : ? (3x), Martinez, Shawn (2x), Jackson, Freeman (2x), Gola, Karolina (2x), Guzzetti, Luigi Enrico (2x), Radzicki, Wieslaw (2x), Schingaro, Angelo (2x), Wosch, Arkadiusz (2x)
6.Qe2 — 6.7% (478 parties)
Ambassadeurs : Babiy, Olga (5x), Geller, Anastasiya (3x), Melia, Salome (3x), Heinichen R., John Derek (3x), Martinez Romero, Martin (3x), Chirivi Castiblanco, Jenny Astrid (3x), Figura, Atila Gajo (3x), Csoke, Krisztian (2x)
6.c4 — 4.5% (321 parties)
Ambassadeurs : Velikov, Petar (2x), Schneider, Bernd (2x), Melnikova, Yana (2x), Cappon, John (2x), Arismendi Polanco, Efrain Steven (2x), Medianikova, Nina (1x), ? (1x), Anelli, Antonio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.O-O 6.Nc3 6.Qe2 6.c4
<1800 482 72% 13% 6% 4%
1800-2200 3605 75% 7% 7% 5%
2200-2600 2423 82% 4% 7% 4%
2600+ 22 95% — 5% —
Évolution par décennie (% des parties)
Décennie N parties 6.O-O 6.Nc3 6.Qe2 6.c4
1950s 4 75% — — —
1960s 96 74% 5% 2% 1%
1970s 175 80% 6% 3% 3%
1980s 184 86% 5% 1% 4%
1990s 956 81% 6% 4% 4%
2000s 2298 77% 7% 6% 5%
2010s 2807 76% 8% 8% 4%
2020s 599 73% 5% 12% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.O-O 76% 73% ▼ -2.7%
6.Nc3 8% 5% ▼ -2.5%
6.Qe2 8% 12% ▲ +4.4%
6.c4 4% 5% ▲ +1.0%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 2 parties
Hou, Yifan — 2 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
6.O-O — 77.2% (5495 parties)
1958 — Lindman, Karl Erik vs Ljungquist, Lennart — 0-1 — Jonkoping
1959 — Geller, Efim P. vs Tal, Mikhail — 1/2-1/2 — Moscow RUS
1959 — Hobza, Frantisek vs Libal, Frantisek — 1/2-1/2 — Trebic
1960 — Csiszar, Albert vs David, Maetys — 1/2-1/2 — Leningrad RUS
1960 — Linais, Laurent vs Avecilla, Billford — 0-1 — Leipzig GER
6.Nc3 — 6.9% (488 parties)
1961 — Ivkov, Borislav vs Udovcic, Mijo — 1/2-1/2 — Bled SLO
1965 — Zinn, Lothar vs Neukirch, Detlef — 1-0 — Annaberg-Buchholz GER
1967 — Ljubinkovic, Miodrag vs Pete, Josip — 1-0 — Yugoslavia CCC-9 6769
1967 — Saidov, Nazar vs Alexander G — 0-1 — URS
1967 — Konarkowska-Sokolov, Henrijeta vs ? — 1-0 — Subotica SRB
6.Qe2 — 6.7% (478 parties)
1965 — Lein, Anatoly vs Neukirch, Detlef — 1/2-1/2 — It Zinnowitz GER
1967 — Eretova, Kveta vs Medianikova, Nina — 1-0 — ?
1972 — Janetschek, Karl vs Cardoso, Radolfo Tan — 0-1 — Skopje MKD
1975 — Giam, Choo Kwee vs Woodhams, Michael — 1-0 — Melbourne AUS
1976 — Small, Vernon A vs Garbett, Paul Anthony — 1/2-1/2 — Upper Hutt
6.c4 — 4.5% (321 parties)
1967 — Medianikova, Nina vs ? — 0-1 — Ukraine
1971 — Anelli, Antonio vs Quinteros, Miguel A. — 0-1 — Buenos Aires ARG
1972 — Farah, Rodolfo vs Soria Villen, Alejandro — 1-0 — Mar del Plata ARG
1974 — Hill, Alan vs Zuk, Robert D. — 1/2-1/2 — Vancouver
1975 — Botto, Dardo vs Sunye Neto, Jaime — 0-1 — Buenos Aires ARG