A47q —
1.d4 Nf6 2.Nf3 b6 3.Bf4 e6 4.e3 c5
Eval: [+0.78]
Les coups candidats
5.Nbd2 — 37.1% (453 parties)
Ambassadeurs : Kovacevic, Slobodan (6x), Karlik, Vladimir (4x), Kosic, Dragan (4x), Kamsky, Gata (4x), Knezevic, Milorad (3x), Cebalo, Miso (3x), Farago, Ivan (3x), Seegers, Hendrik (3x)
5.c3 — 19.1% (233 parties)
Ambassadeurs : Kozul, Zdenko (3x), Lenz, Juergen (3x), Kamsky, Gata (3x), Knezevic, Milorad (2x), Cigan, Stefan (2x), Stadtmueller, Harald (2x), Kipper, Jens (2x), Bacso, Gabor (2x)
5.Bd3 — 18.7% (228 parties)
Ambassadeurs : Schinis, Marios (3x), Perdikis, Costas (2x), Stanford, Sheila Barth (2x), Tamas, Norbert (2x), Pozin, Sergey (2x), ? (2x), Bolduc, Steve (2x), Descallar, Levi (2x)
5.Nc3 — 10.2% (125 parties)
Ambassadeurs : Dhulipalla Bala Chandra Prasad (3x), Gong, Daniel Hanwen (3x), Ortega, Lexy (2x), Farago, Ivan (2x), Kosic, Dragan (2x), Perelshteyn, Eugene (2x), Myrheim, Hakon Abeland (2x), Ermolaev, Evgeny (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nbd2 5.c3 5.Bd3 5.Nc3
<1800 46 22% 22% 30% 4%
1800-2200 500 36% 24% 20% 7%
2200-2600 541 41% 13% 17% 14%
2600+ 25 24% 20% 4% 24%
Évolution par décennie (% des parties)
Décennie N parties 5.Nbd2 5.c3 5.Bd3 5.Nc3
1960s 1 100%
1970s 2 50% 50%
1980s 56 50% 20% 18% 4%
1990s 144 47% 19% 17% 1%
2000s 251 36% 22% 20% 3%
2010s 626 33% 19% 21% 12%
2020s 140 41% 14% 10% 26%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nbd2 33% 41% ▲ +8.4%
5.c3 19% 14% ▼ -4.6%
5.Bd3 21% 10% ▼ -10.9%
5.Nc3 12% 26% ▲ +14.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5.Nbd2 — 37.1% (453 parties)
1967 — Hennings, Artur vs Kolarov, Atanas Stefanov — 1/2-1/2 — Sofia BUL
1978 — Rupp Romano, Anton vs Mohrlok, Dieter — 1-0 — corr Tch-EU
1980 — Caessens, Rob vs Marcus, Joost — 1-0 — Dieren NED
1980 — Caessens, Rob vs Van der Sterren, Paul — 0-1 — Dieren NED
1981 — Azogue Pereyra, Moises vs Rubinetti, Alejandro — 0-1 — Buenos Aires ARG
5.c3 — 19.1% (233 parties)
1977 — Witkowski, Stefan vs Sydor, Andrzej — 1/2-1/2 — Lublin POL
1981 — Ferry, Roger vs Bonhomme, Marcel — 1-0 — Vitrolles
1981 — Knezevic, Milorad vs Groszpeter, Attila — 1-0 — Keszthely
1982 — Mannion, Stephen R vs Cigan, Stefan — 0-1 — Schilde
1984 — Kozul, Zdenko vs Crawley, Gavin — 1-0 — Oakham ENG
5.Bd3 — 18.7% (228 parties)
1982 — Schau, Helmut vs Kaeding, Rainer — 1/2-1/2 — FRG Hochschul-ch
1983 — Wind, Michiel vs Ligterink, Gert — 0-1 — Breda tt
1987 — Ball, Ethan vs Wysocki, Jakub — 0-1 — Lansing ch-MI op
1987 — Georgiakakis, Ioannis vs Skalkotas, Nikolaos — 1-0 — Acropolis,GRE
1988 — Christiansen , Luis vs Kindermann, Stefan — 1-0 — Duitsland tt
5.Nc3 — 10.2% (125 parties)
1982 — Grunwedl Herzog, Alexa vs Acebal Fernandez, Jose Maria — 1-0 — Lucerne SUI
1988 — Hort, Vlastimil vs Renet, Olivier — 1-0 — Lugano SUI
1993 — Ortega, Lexy vs Marinelli, Tullio — 1-0 — Catania op
2000 — Reddmann, Hauke, Dr. vs Farago, Ivan — 1/2-1/2 — Hamburg GER
2000 — Ortega, Lexy vs Farago, Ivan — 1-0 — Montecatini Terme ITA