D74d - 7…Na6 (1927)

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D74d —
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O Na6
Les coups candidats
8.e4 — 58.4% (73 parties)
Ambassadeurs : Osnos, Viatcheslav (2x), Kharitonov, Andrei (2x), Zhelesny, Stanislav (2x), Mengarini, Ariel (1x), Santasiere, Anthony (1x), Olafsson, Fridrik (1x), Larsen, Bent Ravn (1x), Zalkind, Vladimir (1x)
8.Nc3 — 37.6% (47 parties)
Ambassadeurs : Hosek, Milan (2x), Aarush Hirendra Naik Parulekar (1x), Svancer, Bretislav (1x), Brinck-Claussen, Bjorn (1x), Floe Anton (1x), Giustolisi, Alberto (1x), Paoli, Enrico (1x), Benko, Pal (1x)
8.Qb3 — 3.2% (4 parties)
Ambassadeurs : Avrahami, Rami (1x), Carmel, Ephraim (1x), Szovan, Karoly (1x), Halasz, Csaba (1x), Dang Hoang Son (1x), Nguyen, Anh Khoi (1x), Gagunashvili, Merab (1x), Djokic, Mihailo (1x)
8.Bf4 — 0.8% (1 parties)
Ambassadeurs : Heemskerk, Wim (1x), Kanli, Kaan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.e4 8.Nc3 8.Qb3 8.Bf4
<1800 5 20% 60% 20% —
1800-2200 56 59% 38% 2% 2%
2200-2600 41 56% 39% 5% —
Évolution par décennie (% des parties)
Décennie N parties 8.e4 8.Nc3 8.Qb3 8.Bf4
1950s 7 86% 14% — —
1960s 11 55% 45% — —
1970s 7 43% 57% — —
1980s 7 86% — 14% —
1990s 28 75% 25% — —
2000s 24 46% 54% — —
2010s 34 50% 41% 6% 3%
2020s 7 43% 43% 14% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.e4 50% 43% ▼ -7.1%
8.Nc3 41% 43% ▲ +1.7%
8.Qb3 6% 14% ▲ +8.4%
8.Bf4 3% 0% ▼ -2.9%
Parties historiques
8.e4 — 58.4% (73 parties)
1950 — Cafferty, Bernard vs Smith, Frank H — 1-0 — ?
1950 — Bosch van Rosenthal, Edzard vs Cortlever, Nico — 1/2-1/2 — Amsterdam ch-NED
1951 — Mengarini, Ariel vs Santasiere, Anthony — 1/2-1/2 — New York ch-USA
1954 — Pilnik, Herman vs Joppen, Egon — 1/2-1/2 — Belgrade SRB
1956 — Osnos, Viatcheslav vs Goldberg, Grigory A — 1/2-1/2 — Leningrad RUS
8.Nc3 — 37.6% (47 parties)
1950 — Giustolisi, Alberto vs Paoli, Enrico — 1-0 — Sorrento ch ITA
1962 — Benko, Pal vs Filip, Miroslav — 1-0 — Curacao ct
1962 — Bolbochan, Jacobo vs Malich, Burkhard, Dr. — 1/2-1/2 — Varna olm
1965 — Brinck-Claussen, Bjorn vs Floe Anton — 0-1 — Denmark
1968 — Aarush Hirendra Naik Parulekar vs Svancer, Bretislav — 1-0 — corr ch12-TCH
8.Qb3 — 3.2% (4 parties)
1988 — Avrahami, Rami vs Carmel, Ephraim — 1/2-1/2 — Israel Masters
2013 — Szovan, Karoly vs Halasz, Csaba — 1/2-1/2 — HUN
2014 — Dang Hoang Son vs Nguyen, Anh Khoi — 0-1 — Taipa MAC
2022 — Gagunashvili, Merab vs Djokic, Mihailo — 1/2-1/2 — Belgrade SRB
8.Bf4 — 0.8% (1 parties)
2011 — Heemskerk, Wim vs Kanli, Kaan — 1-0 — Rogaska Slatina SLO