B42j - 5…Nf6 6.O-O d6 7.c4 - Kan [+0.48]

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B42j — Kan
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4
Eval: [+0.48]
Les coups candidats
7…Be7 — 34.8% (1035 parties)
Ambassadeurs : Gheorghiu, Florin (35x), Giardelli, Sergio C. (13x), Da Silva Filho, Alcindo Luz Bastos (12x), Spraggett, Kevin (12x), Sunye Neto, Jaime (11x), Adamski, Jan (10x), Wang, Mong Lin (9x), Gratka, Krzysztof (9x)
Ambassadeurs : Gheorghiu, Florin (19x), Plachetka, Jan (11x), Kovacevic, Slobodan (8x), Gipslis, Aivars (7x), Aldama Degurnay, Dionisio (7x), Guyot, Philippe (6x), Matulovic, Milan (5x), Cvitan, Ognjen (5x)
7…b6 — 18.1% (539 parties)
Ambassadeurs : Ionescu, Constantin (28x), Gheorghiu, Florin (19x), Adamski, Jan (16x), Bakhtadze, Giorgi (10x), Khurtsidze, Nino (10x), Konikowski, Jerzy (9x), Pikula, Dejan (8x), Friedrich, Norbert (8x)
7…Bd7 — 11.1% (330 parties)
Ambassadeurs : Rublevsky, Sergei (23x), Adamski, Jan (22x), Gheorghiu, Florin (12x), Kovacevic, Slobodan (10x), Kivisto, Mikko (8x), Thesing, Matthias (8x), Bischoff, Klaus (7x), Milov, Vadim (7x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Be7 7…g6 7…b6 7…Bd7
<1800 29 48% 7% 14% —
1800-2200 630 42% 14% 16% 7%
2200-2600 1906 32% 20% 20% 12%
2600+ 65 5% 17% 32% 43%
Évolution par décennie (% des parties)
Décennie N parties 7…Be7 7…g6 7…b6 7…Bd7
1960s 27 11% 67% — 4%
1970s 108 53% 28% 4% 3%
1980s 421 44% 16% 22% 8%
1990s 631 34% 24% 11% 18%
2000s 1039 27% 15% 24% 15%
2010s 648 39% 18% 18% 4%
2020s 103 38% 26% 9% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Be7 39% 38% ▼ -0.9%
7…g6 18% 26% ▲ +7.8%
7…b6 18% 9% ▼ -9.3%
7…Bd7 4% 2% ▼ -2.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Karpov, Aleksandr — 3 parties
Anand, Viswanathan — 3 parties
Ding, Liren — 2 parties
Smyslov, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
7…Be7 — 34.8% (1035 parties)
1963 — Fritsche, Ulrich vs Neukirch, Detlef — 1/2-1/2 — Leipzig GER
1967 — O'Kelly, Albéric de Galway vs Hennings, Artur — 0-1 — Havana CUB
1968 — Garcia Martinez, Silvino vs Jimenez Zerquera, Eleazar — 1/2-1/2 — Havana CUB
1971 — Borras Schulz, Konrad vs Tiemann, Christoph — 1/2-1/2 — WT/M/21
1971 — Levchenkov, Vitaly vs Dzindzichashvili, Roman — 1/2-1/2 — Rostov on Don
7…g6 — 19.2% (572 parties)
1964 — De Rooi, Paul vs Darga, Klaus — 0-1 — Hoogovens Beverwijk NED
1964 — De Rooi, Paul vs Darga, Klaus — 0-1 — Beverwijk NED
1965 — Pietzsch, Wolfgang vs Gipslis, Aivars — 1/2-1/2 — Tbilisi Tbilisi GEO
1965 — Damjanovic, Marko vs Gipslis, Aivars — 0-1 — Zagreb CRO
1965 — Milic, Borislav vs Sokolov, Vladimir — 0-1 — Belgrade SRB
7…b6 — 18.1% (539 parties)
1974 — Pioch, Zygmunt vs Filipowicz, Andrzej — 1/2-1/2 — POL-ch31 Zielona Gora
1974 — Pokojowczyk, Jerzy vs Filipowicz, Andrzej — 1/2-1/2 — POL-ch31 Zielona Gora
1975 — Smyslov, Vladimir vs Hort, Vlastimil — 1/2-1/2 — Teeside Teesside ENG
1976 — Commons, Kim S vs Najdorf, Miguel — 0-1 — Lone Pine open
1980 — Byrne, Ray vs Benko, Pal — 1/2-1/2 — Greenville ch-USA
7…Bd7 — 11.1% (330 parties)
1967 — Murey, Jacob vs Bykov, Valery — 0-1 — Kharkov ch-URS
1970 — Fischer, Raphael vs Najdorf, Miguel — 1-0 — Siegen GER
1973 — Smith, Richard vs Pisani-Bencini, Geoffrey — 1-0 — Groningen NED
1973 — Lipska, Elzbieta vs Kakhabrishvili, Tsitsino — 0-1 — Halle/Saale
1981 — Murey, Jacob vs Miles, Anthony J — 0-1 — Manchester ENG