E91e - 7.O-O - King’s Indian (1950)

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E91e — King’s Indian (1950)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 c6 7.O-O
Les coups candidats
Ambassadeurs : Rantanen, Yrjo A. (10x), Wibe, Terje (8x), Holzer, Gerhard (6x), Onyshchuk, Volodymyr (6x), Nowak, Albert (5x), Mombeck, Michael (4x), Narancic, Vlado (4x), Udovcic, Mijo (3x)
7…Qc7 — 18.2% (640 parties)
Ambassadeurs : Guzzetti, Luigi Enrico (8x), Tejada, Humberto (2x), Arlandi, Ennio (2x), Ianniello, Riccardo (2x), Ilieva, Hristina (2x), Radanska, Violeta (2x), Schebler, Gerhard (2x), Funk, Paul (2x)
7…a6 — 17.4% (610 parties)
Ambassadeurs : Taimanov, Mark (6x), Vooremaa, Andres (5x), Liebert, Heinz (5x), Tringov, Georgi P (4x), Huang, Qian (3x), Rellstab, Ludwig (2x), Botez, Constantin (2x), Barbu, George-Viorel (2x)
Ambassadeurs : Kozul, Zdenko (14x), Damljanovic, Branko (12x), Kokarev, Dmitry (10x), Watson, William N (9x), Zubov, Alexander (7x), Mednis, Edmar J (6x), Kock, Hans-Uwe (6x), Guseinov, Gadir (6x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nbd7 7…Qc7 7…a6 7…e5
<1800 246 37% 17% 11% 7%
1800-2200 1566 31% 24% 13% 10%
2200-2600 1095 19% 12% 26% 26%
2600+ 19 — — 21% 68%
Évolution par décennie (% des parties)
Décennie N parties 7…Nbd7 7…Qc7 7…a6 7…e5
1950s 32 31% 16% 16% 25%
1960s 63 30% 10% 29% 22%
1970s 87 20% 6% 47% 14%
1980s 207 31% 12% 28% 16%
1990s 715 30% 19% 18% 10%
2000s 1028 31% 19% 17% 11%
2010s 1171 25% 20% 14% 18%
2020s 210 21% 16% 15% 24%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nbd7 25% 21% ▼ -4.5%
7…Qc7 20% 16% ▼ -4.4%
7…a6 14% 15% ▲ +1.7%
7…e5 18% 24% ▲ +5.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
7…Nbd7 — 28.1% (987 parties)
1950 — Flohr, Salo vs Liublinsky, Victor — 1/2-1/2 — Moskou ch-URS
1950 — Flohr, Salo vs Lublinsky, V — 1/2-1/2 — USSR-ch18 Moscow
1951 — Kindij Igor vs Udovcic, Mijo — 0-1 — Sarajevo BIH
1956 — Ader Hausman, Walter vs Moller, Baldur Helgi — 1-0 — Moscow RUS
1957 — Magrin, Antonio vs Nestler, Vincenzo — 0-1 — Reggio Emilia ch ITA
7…Qc7 — 18.2% (640 parties)
1950 — Sumar, Julio vs Pedersen, Eigil — 0-1 — Dubrovnik CRO
1950 — Trifunovic, Petar vs Palda, Karl — 1-0 — Dubrovnik CRO
1950 — Pytlakowski, Andrzej vs Troianescu, Octav — 1-0 — It Schiavno Zdroj POL
1953 — Baranov, Valentin vs Sherbakov, L — 1-0 — Moscow RUS
1953 — Teschner, Rudolf vs Hahn, Eduard — 0-1 — Berlin GER
7…a6 — 17.4% (610 parties)
1954 — Levit, Roman vs Taimanov, Mark — 0-1 — URS-ch sf Leningrad RUS
1957 — Rapaka Samuel Paul vs Fischer, Kevin R — 0-1 — New York, NY USA
1958 — Malich, Burkhard, Dr. vs Minev, Nikolay N — 0-1 — Kienbaum
1959 — Rossetto, Hector vs Juarez, Carlos Eleodoro — 1/2-1/2 — Buenos Aires ARG
1959 — Toprover, Viktor G. vs Shamkovich, Leonid — 1/2-1/2 — Voronezh RUS
7…e5 — 14.8% (519 parties)
1957 — Neikirkh, Oleg vs Vasiukov, Evgeni — 1/2-1/2 — It Gotha GER
1957 — Elter, Sophia vs Mednis, Edmar J — 1/2-1/2 — Cleveland, OH USA
1957 — Yepez, Olavo vs Mednis, Edmar J — 1-0 — Reykjavik ISL
1958 — Byawaka Alvin Herbert vs Gudmundsson, Arinbjorn — 0-1 — Munich GER
1959 — Rapaka Samuel Paul vs Mednis, Edmar J — 1-0 — New York ch-USA