E18r - 9.Rc1 - Queen’s Indian (1961)

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E18r — Queen’s Indian (1961)
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 Bf6 9.Rc1
Les coups candidats
9…c5 — 40.1% (407 parties)
Ambassadeurs : Timoscenko, Gennadij (6x), Timoshenko, Georgy (5x), Zagrebelny, Sergey (5x), Gligoric, Svetozar (5x), Yemelin, Vasily (5x), Lagunow, Alexander (5x), Da Silva Filho, Alcindo Luz Bastos (5x), Milos, Gilberto (4x)
9…d6 — 32.3% (328 parties)
Ambassadeurs : Inkiov, Ventzislav (6x), Dautov, Rustem (3x), Sahovic, Dragutin (3x), Andersson, Ulf (3x), Stauskas, Lukas (3x), Velikov, Petar (2x), Gosic, Bogdan (2x), Hoeksema, Hendrik Pieter (2x)
9…Nxd2 — 15.1% (153 parties)
Ambassadeurs : Abramovic, Bosko (8x), Ehlvest, Jaan (3x), Pavlovic, Milos (3x), Kasparov, Garry (2x), Salov, Valery (2x), Andruet, Gilles (2x), Lechtynsky, Jiri (2x), ? (2x)
9…d5 — 9.8% (99 parties)
Ambassadeurs : Van der Wiel, John T.H. (4x), Korchnoi, Viktor (3x), Salov, Valery (2x), Hjartarson, Johann (2x), Velikov, Petar (2x), Sturua, Zurab (2x), Karpov, Anatoly (2x), Groot, Peter J A (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…c5 9…d6 9…Nxd2 9…d5
<1800 23 48% 26% 13% 9%
1800-2200 195 45% 32% 13% 9%
2200-2600 625 39% 35% 16% 8%
2600+ 61 33% 33% 25% 7%
Évolution par décennie (% des parties)
Décennie N parties 9…c5 9…d6 9…Nxd2 9…d5
1960s 2 50% 50% — —
1970s 29 31% 62% — 3%
1980s 147 30% 41% 12% 16%
1990s 248 45% 27% 12% 15%
2000s 211 59% 18% 9% 10%
2010s 318 32% 37% 23% 5%
2020s 59 25% 49% 22% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…c5 32% 25% ▼ -6.3%
9…d6 37% 49% ▲ +12.4%
9…Nxd2 23% 22% ▼ -1.2%
9…d5 5% 2% ▼ -3.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 8 parties
Kasparov, Garry — 4 parties
Tal, Mikhail — 2 parties
Carlsen, Magnus — 2 parties
Parties historiques
9…c5 — 40.1% (407 parties)
1964 — Bak, Istvan vs Polugaevsky, Lev — 1/2-1/2 — Ordzhonikidze
1971 — Smyslov, Vasily vs Olafsson, Fridrik — 1-0 — Moscow RUS
1975 — Olafsson, Fridrik vs Keene, Raymond D — 1/2-1/2 — Zurich SUI
1976 — Rashkovsky, Nukhim N vs Pokojowczyk, Jerzy — 1-0 — Sochi RUS
1977 — Soltau, Achim vs Keller, Hanno — 1-0 — Corr GER
9…d6 — 32.3% (328 parties)
1961 — Dely, Peter vs Osnos, Viatcheslav — 1/2-1/2 — Budapest HUN
1976 — Andersson, Ulf vs Sanguinetti, Raul — 1-0 — Biel SUI
1976 — Gallmeyer, Peter vs Hyldkrog, Lars — 1/2-1/2 — Denmark ch corr
1977 — Sahovic, Dragutin vs Panno, Oscar — 1/2-1/2 — Lone Pine open
1977 — Gheorghiu, Florin vs Ligterink, Gert — 1/2-1/2 — Le Havre
9…Nxd2 — 15.1% (153 parties)
1983 — Veingold, Aleksandr vs Ehlvest, Jaan — 1/2-1/2 — Tallinn EST
1983 — Levitina, Irina vs ? — 1-0 — Dubna RUS
1984 — Pytel, Krzysztof vs Prandstetter, Eduard — 1-0 — Erevan ARM
1985 — Toshkov, Tihomir vs Lechtynsky, Jiri — 1-0 — Albena BUL
1985 — Bernard, Christophe vs Andruet, Gilles — 1/2-1/2 — Clermont-Ferrand FRA
9…d5 — 9.8% (99 parties)
1972 — Williams, A. Howard vs German, Eugenio — 1-0 — Skopje olm
1980 — Nogueiras Santiago, Jesus vs Vilela De Acuna, Jose Luis — 1/2-1/2 — Cienfuegos City CUB
1982 — Loginov, Valery A vs Zagrebelny, Sergey — 1-0 — Tashkent UZB
1983 — Dydyshko, Viacheslav vs Veremeichik, Vladimir — 1/2-1/2 — Belarus
1983 — Toria, Gocha vs Petrosian, Arshak B — 1-0 — Erevan ARM