E03j - 8.Qc6 - Open (1936)

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E03j — Open (1936)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6 7.Nf3 b5 8.Qc6
Les coups candidats
8…Rb8 — 79.0% (406 parties)
Ambassadeurs : Huebner, Robert (3x), Balog, Imre (3x), El Debs, Felipe de Cresce (3x), Szabo, Laszlo (2x), Geller, Efim P. (2x), Kavalek, Lubomir (2x), Ljubojevic, Ljubomir (2x), Blatny, Pavel (2x)
8…Ra7 — 20.6% (106 parties)
Ambassadeurs : ? (3x), Garcia Martinez, Silvino (2x), Sveshnikov, Evgeny (2x), Kaidanov, Gregory (2x), Rogers, Ian (2x), Mirzoev, Azer (2x), Jakhin, Rashid (1x), Yudovich, Mikhail M (1x)
8…Bb4+ — 0.2% (1 parties)
Ambassadeurs : Pick, Stepan (1x), Vaculik, Martin (1x)
8…Nd5 — 0.2% (1 parties)
Ambassadeurs : Arushi Kotwal (1x), Zhang, Xiao (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Rb8 8…Ra7 8…Bb4+ 8…Nd5
<1800 15 67% 33% — —
1800-2200 112 80% 18% 1% 1%
2200-2600 334 78% 22% — —
2600+ 9 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…Rb8 8…Ra7 8…Bb4+ 8…Nd5
1950s 8 88% 12% — —
1960s 7 71% 29% — —
1970s 11 64% 36% — —
1980s 24 79% 21% — —
1990s 74 84% 16% — —
2000s 119 86% 13% 1% —
2010s 167 78% 21% — 1%
2020s 104 70% 30% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Rb8 78% 70% ▼ -8.3%
8…Ra7 21% 30% ▲ +8.8%
8…Bb4+ 0% 0% +0.0%
8…Nd5 1% 0% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
8…Rb8 — 79.0% (406 parties)
1952 — Grivainis, Konstantin vs Dreibergs, Leonid — 1/2-1/2 — Latvian Exiles 5254
1953 — Szabo, Laszlo vs Geller, Efim P. — 0-1 — Zurich SUI
1953 — Szabo, Laszlo vs Geller, Efim P. — 0-1 — Zurich SUI
1957 — Lutikov, Anatoly S vs Kaminsky, Oleg — 1-0 — Sverdlovsk
1958 — Peterson, Andrejs vs Klasups, Karlis — 1/2-1/2 — Riga LAT
8…Ra7 — 20.6% (106 parties)
1952 — Vaitonis, Povilas vs Anderson, Frank Ross — 1/2-1/2 — Toronto CAN
1964 — Jakhin, Rashid vs Yudovich, Mikhail M — 1/2-1/2 — ?
1969 — Toran Albero, Roman vs Petrosian, Tigran V. — 0-1 — It Palma de Majorca ESP
1970 — Udovcic, Mijo vs Kovacevic, Vlatko — 0-1 — Rovinj/Zagreb CRO
1974 — Garcia Martinez, Silvino vs Sveshnikov, Evgeny — 1-0 — It
8…Bb4+ — 0.2% (1 parties)
2000 — Pick, Stepan vs Vaculik, Martin — 1-0 — Czechia
8…Nd5 — 0.2% (1 parties)
2019 — Arushi Kotwal vs Zhang, Xiao — 1/2-1/2 — Mumbai IND