E18o - 8…f5 - Queen’s Indian (1951)

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E18o — Queen’s Indian (1951)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Bd2 f5
Les coups candidats
Ambassadeurs : Levitt, Jonathan P (5x), Zaja, Ivan (5x), Pribyl, Josef (5x), De Blois Figueredo, Adria (4x), Sorin, Ariel (4x), Adams, Michael (4x), Grunberg, Mihai-Lucian (4x), Dzindzichashvili, Roman (3x)
9.Qc2 — 25.4% (416 parties)
Ambassadeurs : Malakhatko, Vadim (8x), Matnadze Bujiashvili, Ann (7x), Naumkin, Igor (4x), Banikas, Hristos (4x), Riazantsev, Alexander (3x), Kononenko, Tatiana (3x), Karpov, Anatoly (3x), Brodsky, Michail (3x)
9.Ne5 — 15.8% (258 parties)
Ambassadeurs : Abasov, Nijat (4x), Moskvichev, Valery Ivanovich (3x), Juárez de Vena, Antonio (3x), Salzmann, Stefan (3x), Naumkin, Igor (3x), Borisovs, Leonids (2x), Rudenko, Aleksandr Vladimiro (2x), Folk Gilsanz, Jordi (2x)
9.Rc1 — 14.2% (232 parties)
Ambassadeurs : Lalic, Bogdan (4x), Kuempers, Ulrich (3x), Wojtkiewicz, Aleksander (2x), Inkiov, Ventzislav (2x), Grunberg, Sergiu-Henric (2x), Skembris, Spyridon (2x), Chmelik, Jiri (2x), Zaja, Ivan (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.d5 9.Qc2 9.Ne5 9.Rc1
<1800 41 27% 34% 15% 10%
1800-2200 445 33% 23% 20% 17%
2200-2600 984 41% 26% 14% 14%
2600+ 49 24% 41% 24% 6%
Évolution par décennie (% des parties)
Décennie N parties 9.d5 9.Qc2 9.Ne5 9.Rc1
1950s 5 20% 40% — —
1960s 7 43% 14% 14% —
1970s 19 79% 11% — —
1980s 88 70% 7% 1% 17%
1990s 286 63% 15% 0% 17%
2000s 475 43% 34% 2% 16%
2010s 555 24% 29% 27% 14%
2020s 201 17% 20% 49% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.d5 24% 17% ▼ -6.9%
9.Qc2 29% 20% ▼ -8.3%
9.Ne5 27% 49% ▲ +22.1%
9.Rc1 14% 6% ▼ -7.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Ju, Wenjun — 1 partie
Parties historiques
9.d5 — 38.9% (636 parties)
1951 — Eugenio, Sarah De Oliveira vs Magrin, Antonio — 1/2-1/2 — Venice ITA
1967 — Pietzsch, Wolfgang vs Bak, Istvan — 0-1 — Salgotarjan
1968 — Bukic, Enver vs Parma, Bruno — 0-1 — Skopje MKD
1968 — Savon, Vladimir vs Parma, Bruno — 1-0 — Skopje MKD
1970 — Hawkes, John vs Bridgen, M. — 1-0 — corr England
9.Qc2 — 25.4% (416 parties)
1953 — Stahlberg, Gideon vs Averbakh, Yuri L — 1-0 — Zurich SUI
1957 — Balanel, Ion vs Puc, Stojan — 1-0 — Ploiesti
1967 — Lundin, Erik vs Skold, Kristian — 1-0 — Sweden (ch)
1972 — Eising, Johannes vs Kraidman, Yair — 1/2-1/2 — Amsterdam NED
1975 — Konstantinov, Sergey vs Karpov, Anatoly — 1-0 — ?
9.Ne5 — 15.8% (258 parties)
1960 — Kvist, Goesta vs Olsson, Ake — 1/2-1/2 — Leningrad RUS
1988 — Robatsch, Karl vs Sharif, Mehrshad — 1/2-1/2 — Aosta
1996 — Gautason, B. vs Hunt, John — 0-1 — corr IECG 7PSRR
2002 — Turikov, Viktor vs Rosen, Willy — 1-0 — Dresden GER
2007 — Kopylov, Al2 vs Chenchik, Andrey — 1-0 — Salekhard RUS
9.Rc1 — 14.2% (232 parties)
1982 — Inkiov, Ventzislav vs Spassov, Liuben — 1/2-1/2 — Plovdiv BUL
1984 — Dejkalo, Stefan vs Zolnierowicz, Krzysztof — 1-0 — Poland
1984 — Maksimovic, Branimir vs Cekro, Ekrem — 0-1 — Pula CRO
1985 — Sandrin, Adrien vs Lief, Adam — 1-0 — Chicago, IL USA
1986 — Pikulik, Martin vs Feld, Petr — 0-1 — Brno CZE