B42g - 6.Nb3 Ba7 - Kan, Polugaevsky (1960)

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B42g — Kan, Polugaevsky (1960)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7
Les coups candidats
7.Qe2 — 37.8% (2129 parties)
Ambassadeurs : Raupp, Thomas (17x), Velikov, Petar (16x), Chorfi, Khaled (13x), Bezold, Michael (12x), Haring, Filip (11x), Szeberenyi, Adam (10x), Kveinys, Aloyzas (9x), Christiansen, Larry (8x)
7.O-O — 31.1% (1749 parties)
Ambassadeurs : Szeberenyi, Adam (13x), Bezold, Michael (11x), Rimkus, Bronius I (9x), Huebner, Robert (8x), Ronat, Olivier (8x), Ivkov, Borislav (7x), Luther, Thomas (7x), Volosin, Leon (6x)
7.Nc3 — 12.9% (724 parties)
Ambassadeurs : Bezold, Michael (5x), Raupp, Thomas (5x), Blees, Albert (5x), Mihailovs, Jurijs (5x), Sjoberg, Mats (4x), Muller, Adriana (4x), Berezjuk, Sergej (4x), Volosin, Leon (4x)
7.Qg4 — 11.5% (645 parties)
Ambassadeurs : Lubbe, Melanie (6x), Manik, Mikulas (5x), Stripunsky, Alexander (5x), Bednarski, Jacek (4x), Erenburg, Sergey (4x), Lemmers, Oscar (4x), Mainka, Romuald (3x), Korneev, Oleg (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Qe2 7.O-O 7.Nc3 7.Qg4
<1800 164 26% 44% 12% 9%
1800-2200 1785 34% 35% 13% 11%
2200-2600 3035 40% 27% 14% 13%
2600+ 144 40% 29% 6% 15%
Évolution par décennie (% des parties)
Décennie N parties 7.Qe2 7.O-O 7.Nc3 7.Qg4
1960s 132 17% 65% 4% 10%
1970s 149 42% 44% 9% 3%
1980s 178 56% 24% 13% 4%
1990s 763 47% 24% 22% 2%
2000s 1780 34% 30% 15% 13%
2010s 1512 32% 38% 9% 16%
2020s 1111 45% 23% 10% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Qe2 32% 45% ▲ +13.2%
7.O-O 38% 23% ▼ -15.1%
7.Nc3 9% 10% +0.3%
7.Qg4 16% 12% ▼ -3.3%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 9 parties
Hou, Yifan — 7 parties
Carlsen, Magnus — 4 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 2 parties
Ding, Liren — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
7.Qe2 — 37.8% (2129 parties)
1960 — Matulovik vs Korchnoi, Viktor — 1-0 — ?
1962 — Matanovic, Aleksandar vs Ivkov, Borislav — 1/2-1/2 — Havana CUB
1962 — Bogdanovic, Rajko vs Bak, Istvan — 1/2-1/2 — Sarajevo BIH
1962 — Pogats, Jozsef Jr. vs Portisch, Lajos — 0-1 — Kecskemet HUN
1963 — Stein, Leonid vs Taimanov, Mark — 1/2-1/2 — Leningrad ch-URS
7.O-O — 31.1% (1749 parties)
1960 — Persitz, Raaphi vs Veizaj, Mendim — 1-0 — Leipzig GER
1962 — Bazan, Osvaldo vs Marcussi, Bartolome J — 1-0 — Buenos Aires ARG
1962 — Ivkov, Borislav vs Polugaevsky, Lev — 1/2-1/2 — Havana CUB
1962 — ? vs Smailbegovic, Hasan — 1/2-1/2 — Skopje ch17-YUG
1962 — Shagalovich, Abo vs Shestoperov, Aleksej — 0-1 — Leningrad RUS
7.Nc3 — 12.9% (724 parties)
1963 — Westerinen, Heikki M.J. vs Doda, Zbigniew — 1-0 — Halle zt
1965 — Capece, Adolivio vs Huebner, Robert — 0-1 — Wch U20 q-5 Barcelona ESP
1965 — Babula, Milan vs Hlousek, Zdenek — 1-0 — Vrbno pod Pradedem
1965 — Giustolisi, Alberto vs Bukic, Enver — 1/2-1/2 — Palma de Majorca ESP
1969 — Grefe, John A vs Pruner, Earl — 1/2-1/2 — US Open
7.Qg4 — 11.5% (645 parties)
1962 — Ablanedo Jimenez, Alvaro Alfonso vs Polugaevsky, Lev — 0-1 — Havana CUB
1963 — Gipslis, Aivars vs Taimanov, Mark — 1/2-1/2 — Almaty
1963 — Jimenez Zerquera, Eleazar vs Gligorić, Svetozar — 0-1 — Moscow RUS
1963 — Himansa, H Risini vs Gligoric, Sofija — 0-1 — Moscow RUS
1964 — Bednarski, Jacek vs Bukic, Enver — 1/2-1/2 — Krakow POL