E14w - 4…Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O 8.Bb2 cxd4 9.exd4 d5 [-0.01]

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E14w —
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O 8.Bb2 cxd4 9.exd4 d5
Eval: [-0.01]
Les coups candidats
10.Nbd2 — 51.5% (220 parties)
Ambassadeurs : Andersson, Ulf (5x), Pedersen, Erik (4x), Lubbe, Nikolas (4x), Karpov, Anatoly (3x), Tarjan, James (3x), Urday, Henry (3x), Taimanov, Mark (3x), Parma, Bruno (2x)
10.Nc3 — 21.1% (90 parties)
Ambassadeurs : Payen, Arnaud (5x), Farago, Ivan (4x), Danieli, Enrico (4x), Kekki, Petri (3x), Portisch, Lajos (2x), Tolnai, Tibor (2x), Porrasmaa, Timo (2x), Borstnik, Ales (2x)
10.Qe2 — 20.8% (89 parties)
Ambassadeurs : Portisch, Lajos (7x), Hoffman, Alejandro (5x), Najdorf, Miguel (3x), Browne, Walter Shawn (3x), Merino Garcia, Rafael 1982 (3x), Hort, Vlastimil (2x), Helmers, Knut Joran (2x), Cramling, Pia (2x)
10.Ne5 — 4.2% (18 parties)
Ambassadeurs : Bellon Lopez, Juan Manuel (2x), Zschaebitz, Klaus (2x), Padevsky, Nikola (1x), Unzicker, Wolfgang (1x), Campos Moreno, Javier B. (1x), Beliavsky, Alexander G (1x), Medic, Mirjana (1x), Vuksanovic, Sanja (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Nbd2 10.Nc3 10.Qe2 10.Ne5
<1800 3 33% — 33% —
1800-2200 68 46% 22% 19% 9%
2200-2600 280 51% 24% 20% 4%
2600+ 22 64% 14% 23% —
Évolution par décennie (% des parties)
Décennie N parties 10.Nbd2 10.Nc3 10.Qe2 10.Ne5
1950s 2 — — 100% —
1960s 12 50% 8% 33% 8%
1970s 20 70% 5% 25% —
1980s 63 49% 8% 38% 3%
1990s 79 42% 33% 16% 6%
2000s 83 42% 36% 14% 4%
2010s 118 58% 16% 19% 6%
2020s 50 66% 16% 14% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Nbd2 58% 66% ▲ +8.4%
10.Nc3 16% 16% -0.1%
10.Qe2 19% 14% ▼ -4.6%
10.Ne5 6% 0% ▼ -5.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
10.Nbd2 — 51.5% (220 parties)
1961 — Darga, Klaus vs Unzicker, Wolfgang — 1/2-1/2 — FRG-ch Bad Prymont
1962 — Keres, Paul Petrovich vs Szabo, Laszlo — 1/2-1/2 — Varna BUL
1962 — Benko, Pal vs Rossolimo, Nicolas — 0-1 — New York, NY USA
1963 — Nyman, Aino vs Sarapu, O. — 0-1 — New Zealand ch
1966 — Adamski, Jan vs Rakovsky, Emile — 1/2-1/2 — Prague CZE
10.Nc3 — 21.1% (90 parties)
1967 — Langeweg, Kick vs Portisch, Lajos — 0-1 — Amsterdam NED
1979 — Pedersen, Erik vs Jakobsen, Ole — 0-1 — Aalborg DEN
1980 — Ermenkov, Evgenij vs Fedorowicz, John — 1-0 — Lone Pine open
1982 — Ginsburg, Jeffrey vs Shapiro, Daniel — 0-1 — St Paul
1982 — Panczyk, Krzysztof vs Nun, Jiri — 0-1 — Houstka
10.Qe2 — 20.8% (89 parties)
1958 — Szabo, Ladislav vs Dunkelblum, Arthur — 1-0 — Munchen olm
1959 — Filip, Marius Liviu vs Portisch, Lajos — 1-0 — Moscow RUS
1962 — Najdorf, Miguel vs Unzicker, Wolfgang — 1-0 — Varna olm
1966 — Hort, Vlastimil vs Bilek, Istvan — 1/2-1/2 — Havana CUB
1966 — Najdorf, Miguel vs Portisch, Lajos — 1/2-1/2 — Santa Monica, CA USA
10.Ne5 — 4.2% (18 parties)
1962 — Padevsky, Nikola vs Unzicker, Wolfgang — 1/2-1/2 — Varna BUL
1989 — Bellon Lopez, Juan Manuel vs Campos Moreno, Javier B. — 1-0 — Barcelona ESP
1989 — Bellon Lopez, Juan Manuel vs Beliavsky, Alexander G — 1-0 — Haifa etc
1990 — Medic, Mirjana vs Vuksanovic, Sanja — 1-0 — Kladovo
1990 — Izeta Txabarri, Felix vs Gomez Esteban, Juan Mario — 1/2-1/2 — Bordeaux FRA