B43l - 7.O-O - Kan (1912)

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B43l — Kan (1912)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Nf6 7.O-O
Les coups candidats
Ambassadeurs : Zpevak, Pavel (16x), Stripunsky, Alexander (7x), Hayrapetyan, Hovik (7x), Vasiukov, Evgeni (6x), Ionescu, Constantin (6x), Chibukhchian, Artur (6x), Abdulla, Khayala (6x), Zelcic, Robert (6x)
Ambassadeurs : Hadraba, Vladimir (5x), Van Wely, Loek (5x), Podzielny, Karl-Heinz (5x), David, Alberto (5x), Bischoff, Klaus (4x), Rublevsky, Sergei (4x), Djokic, Vladan (4x), Sikula, Vaszilij (4x)
7…Be7 — 20.0% (921 parties)
Ambassadeurs : Nikolov, Momchil (15x), Kievelitz, Bernd (8x), Goletiani, Rusudan (7x), Paunovic, Dragan (7x), Panno, Oscar (4x), Filev, Georgi (4x), Serafim, Arnor Jr (4x), Zahn, Nicol (4x)
7…Bb4 — 14.9% (687 parties)
Ambassadeurs : Landa, Konstantin (10x), Pilnik, Herman (5x), Suetin, Alexey S (5x), Paramos Dominguez, Roberto (5x), Hamann, Svend (4x), Hamid Ibrahim Abdul Razik (4x), Tal, Mikhail (3x), Furman, Semyon (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nc6 7…d6 7…Be7 7…Bb4
<1800 283 23% 14% 28% 16%
1800-2200 1825 29% 19% 22% 14%
2200-2600 2010 34% 24% 18% 15%
2600+ 49 29% 27% 14% 14%
Évolution par décennie (% des parties)
Décennie N parties 7…Nc6 7…d6 7…Be7 7…Bb4
1950s 32 38% — 16% 38%
1960s 74 43% 12% 7% 31%
1970s 117 41% 17% 9% 23%
1980s 169 36% 17% 24% 15%
1990s 657 33% 18% 24% 15%
2000s 1544 33% 20% 18% 15%
2010s 1802 29% 22% 21% 14%
2020s 210 25% 21% 22% 16%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nc6 29% 25% ▼ -4.2%
7…d6 22% 21% ▼ -1.0%
7…Be7 21% 22% ▲ +1.3%
7…Bb4 14% 16% ▲ +2.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 8 parties
Anand, Viswanathan — 7 parties
Hou, Yifan — 7 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 1 partie
Parties historiques
7…Nc6 — 31.3% (1443 parties)
1955 — Spassky, Boris Vasily vs Aarland, Stein Arild — 1/2-1/2 — Ch URS, Moscow
1955 — Simagin, Vladimir vs Kan, Ilya — 1-0 — Moskou ch-URS
1955 — Polugaevsky, Lev vs Kan, Ilya A — 1/2-1/2 — USSR
1957 — Ramirez, Abraham Raul vs Sanguinetti, Raul — 0-1 — Santa Fe
1957 — Nezhmetdinov, Rashid vs Vasiukov, Evgeni — 1-0 — Kiev UKR
7…d6 — 20.4% (939 parties)
1962 — Gonzalez, Gerardo vs Garcia, Eder Raimundo — 1/2-1/2 — Argentina
1964 — Rodriguez Gonzalez, Blas vs Bayarri Bosch, Eduardo — 0-1 — Las Palmas ESP
1964 — Paoli, Enrico vs Damjanovic, Mato — 0-1 — Pecs
1964 — Tal, Mikhail vs Adams, James B — 1-0 — London ENG
1965 — Liu, Wenzhe vs Ignatiev, Felix N — 0-1 — Hangzhou
7…Be7 — 20.0% (921 parties)
1954 — Anderson, Frank Ross vs Filip, Marius Liviu — 0-1 — Amsterdam olm
1954 — Urbanec, Karel vs Alster, Ladislav — 1-0 — Prague CZE
1954 — Sefc, Jan vs Alster, Ladislav — 0-1 — Prague CZE
1957 — Conrady, Alphonse vs Benko, Pal — 0-1 — Dublin zt
1959 — Barry Dickson vs Auerbach, Clarence — 0-1 — Providence, RI USA
7…Bb4 — 14.9% (687 parties)
1956 — Gufeld, Eduard vs Tal, Mikhail — 1/2-1/2 — Tbilisi GEO
1957 — Tal, Mikhail vs Furman, Semyon — 1/2-1/2 — Moskou ch-URS
1957 — Petursson, Margeir vs Pilnik, Herman — 0-1 — ch-Reykjavik
1957 — Olafsson, Fridrik vs Pilnik, Herman — 1-0 — Reykjavik ISL
1957 — O'Kelly, Albéric de Galway vs Pilnik, Herman — 1/2-1/2 — Beverwijk NED