E17d - 7.Qc2 - Queen’s Indian (1941)

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E17d — Queen’s Indian (1941)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 O-O 7.Qc2
Les coups candidats
Ambassadeurs : Korotylev, Alexey (5x), Korchnoi, Viktor (4x), Banikas, Hristos (4x), Deforel, Jorge Eduardo (4x), Adams, Michael (3x), Naumkin, Igor (3x), Grischuk, Alexander (3x), Petursson, Margeir (2x)
Ambassadeurs : Bogdanovski, Vlatko (5x), Jussupow, Artur (3x), Naumkin, Igor (3x), Turi, Dr Sandor (2x), Dlugy, Maxim (2x), Murakhveri, Valery Izyaslavovic (2x), Korchnoi, Viktor (2x), Yudasin, Leonid (2x)
7…Na6 — 6.7% (46 parties)
Ambassadeurs : Brunello, Sabino (3x), Tiviakov, Sergei (3x), Brodsky, Michail (2x), Miroshnichenko, Evgenij (2x), Weldon, Charles (1x), Bezviner, L. (1x), Lerner, Konstantin Z (1x), Kuzmin, Gennadi (1x)
7…d6 — 5.0% (34 parties)
Ambassadeurs : Ortega, Rogelio (1x), Kashdan, Isaac (1x), Brunet, Phil (1x), Crompton, Charles (1x), Begovac, Franja (1x), Cekro, Ekrem (1x), Szilagyi, Peter (1x), Gunev, Zlatan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…c5 7…d5 7…Na6 7…d6
<1800 31 48% 39% 3% 3%
1800-2200 204 50% 32% 5% 8%
2200-2600 323 41% 42% 8% 3%
2600+ 40 62% 10% 20% —
Évolution par décennie (% des parties)
Décennie N parties 7…c5 7…d5 7…Na6 7…d6
1950s 5 20% 40% — 40%
1960s 9 22% 67% — —
1970s 30 40% 57% — —
1980s 54 24% 57% 2% 9%
1990s 114 38% 46% 4% 5%
2000s 206 47% 35% 8% 4%
2010s 226 52% 29% 10% 6%
2020s 42 60% 29% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…c5 52% 60% ▲ +7.3%
7…d5 29% 29% ▼ -0.6%
7…Na6 10% 2% ▼ -7.4%
7…d6 6% 0% ▼ -5.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 5 parties
Carlsen, Magnus — 2 parties
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie
Ding, Liren — 1 partie
Parties historiques
7…c5 — 45.2% (310 parties)
1959 — Kamenetsky vs Bolbochan, Jacobo — 0-1 — Buenos Aires ARG
1963 — Lim Hong Gie vs Choo, Min Wang — 1/2-1/2 — Jakarta INA
1966 — Herz Enrique vs Agrel, Diane — 1/2-1/2 — Cordoba ARG
1972 — Bukic, Enver vs Kristinsson, Jon — 1/2-1/2 — Vrnjacka Banja SRB
1973 — Knezevic, Milorad vs Lechtynsky, Jiri — 1/2-1/2 — Luhacovice CZE
7…d5 — 37.8% (259 parties)
1950 — Koska, Josef vs Parak, Frantisek — 1-0 — Zlin ch CZE nahra
1951 — Sajtar, Jaroslav vs Pachman, Ludek — 0-1 — Marianske Lazne zt
1960 — Rossetto, Hector vs Isain, Pedros Santos — 1-0 — Atlantida
1963 — Suteu, Mircea vs Alexandrescu, Gheorghe — 1-0 — Bucharest ROU
1963 — Calero, Carlos vs Garcia, Gilberto — 0-1 — Havana CUB
7…Na6 — 6.7% (46 parties)
1988 — Weldon, Charles vs Bezviner, L. — 1-0 — Nassau ch
1993 — Lerner, Konstantin Z vs Kuzmin, Gennadi — 1/2-1/2 — St.Petersburg open
1994 — Jakobsen, Ole vs Brodsky, Michail — 0-1 — Copenhagen DEN
1994 — Chetverik, Maxim vs Chernyshov, Konstantin — 0-1 — Balatonbereny open
1996 — Belic, Milovan vs Vukovic, Zdravko — 1/2-1/2 — It Cetinje YUG
7…d6 — 5.0% (34 parties)
1951 — Ortega, Rogelio vs Kashdan, Isaac — 1/2-1/2 — Los Angeles, CA USA
1951 — Brunet, Phil vs Crompton, Charles — 1-0 — Kingston CAN
1981 — Heinig, Wolfram, Dr. vs Wuensche, Peter — 1-0 — Leipzig GER
1982 — Heinonen, Jouni vs Tolkkila, Lauri — 1-0 — ?
1983 — Szilagyi, Peter vs Gunev, Zlatan — 1-0 — Ruse