E14o - 7.b3 - Queen’s Indian (1958)

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E14o — Queen’s Indian (1958)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 d5 6.O-O Bd6 7.b3
Les coups candidats
7…O-O — 83.3% (512 parties)
Ambassadeurs : Portisch, Lajos (7x), Kosyrev, Vladimir (6x), Lengyel, Levente (4x), Franco Ocampos, Zenon (4x), Balashov, Yuri (4x), Dobosz, Henryk (3x), Sprotte, Norbert (3x), Sturua, Zurab (3x)
7…Nbd7 — 14.5% (89 parties)
Ambassadeurs : Rashkovsky, Nukhim N (3x), Schauwecker, Meinrad (2x), Zagrebelny, Sergey (2x), Zatonskih, Anna (2x), Rekuc, Patryk (2x), Lenderman, Aleksandr (2x), Padevsky, Nikola (1x), Filipov, Filip (1x)
7…Qe7 — 1.0% (6 parties)
Ambassadeurs : Kosic, Dragan (3x), Djordjevic, Vuk (2x), Gagarin, Vadim (1x), Denisov, Igor (1x), Araptanova, Irina (1x), Zivkovic, Nemanja (1x), Panjwani, Raja (1x), Krush, Irina (1x)
7…c5 — 0.5% (3 parties)
Ambassadeurs : Certek, Pavel (1x), Mrva, Vladimir (1x), Araptanova, Irina (1x), Shirova, Yana (1x), Egan, Michael P W (1x), Barclay, Alex (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…Nbd7 7…Qe7 7…c5
<1800 21 81% 14% — —
1800-2200 144 85% 12% 1% 1%
2200-2600 365 81% 17% 1% 1%
2600+ 25 96% 4% — —
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…Nbd7 7…Qe7 7…c5
1950s 3 100% — — —
1960s 12 92% 8% — —
1970s 21 81% 19% — —
1980s 41 83% 17% — —
1990s 67 85% 12% — 1%
2000s 124 85% 15% — —
2010s 225 84% 12% 2% 1%
2020s 122 79% 20% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 84% 79% ▼ -5.3%
7…Nbd7 12% 20% ▲ +7.7%
7…Qe7 2% 1% ▼ -1.4%
7…c5 1% 0% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 4 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
7…O-O — 83.3% (512 parties)
1958 — Spanjaard, Eduard vs Donner, Jan-Hein — 1/2-1/2 — NLD-ch Amsterdam NED
1958 — Pachman, Ludek vs Averbakh, Yuri L — 1/2-1/2 — Portoroz SLO
1959 — Pachman, Ludek vs Sanguinetti, Raul — 1/2-1/2 — Lima PER
1962 — Jimenez Alastre Jorge Ernesto vs O'Kelly de Galway, Alberic — 0-1 — Varna olm
1962 — Filip, Miroslav vs Botvinnik, Mikhail — 0-1 — Varna olm
7…Nbd7 — 14.5% (89 parties)
1962 — Padevsky, Nikola vs Filipov, Filip — 1/2-1/2 — Sofia BUL
1970 — Schauwecker, Meinrad vs Leitner, Maximilian — 1-0 — Thalwil
1972 — Schauwecker, Meinrad vs Ott, Roland — 1-0 — Arosa
1976 — Miguel, Nahuel vs Petursson, Margeir — 1-0 — Reykjavik Reykjavik ISL
1977 — Sapundjiev, Georgi Ing vs Khasin, Abram — 1/2-1/2 — CCOL8 fin-03 7782
7…Qe7 — 1.0% (6 parties)
2012 — Gagarin, Vadim vs Denisov, Igor — 1/2-1/2 — Moscow RUS
2014 — Araptanova, Irina vs Zivkovic, Nemanja — 0-1 — Senta SRB
2014 — Panjwani, Raja vs Krush, Irina — 1-0 — Edmonton CAN
2018 — Kosic, Dragan vs Djordjevic, Vuk — 1-0 — Paracin SRB
2019 — Kosic, Dragan vs Djordjevic, Vuk — 0-1 — Paracin SRB
7…c5 — 0.5% (3 parties)
1997 — Certek, Pavel vs Mrva, Vladimir — 1-0 — Slovakia
2016 — Araptanova, Irina vs Shirova, Yana — 1/2-1/2 — Kolomna RUS
2019 — Egan, Michael P W vs Barclay, Alex — 1/2-1/2 — ICCF