B32e - 3…cxd4 4.Nxd4 Qb6 - Open [+0.55]

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B32e — Open
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qb6
Eval: [+0.55]
Les coups candidats
5.Nb3 — 87.8% (8755 parties)
Ambassadeurs : Grivas, Efstratios (137x), Kurajica, Bojan (99x), Da Silva Filho, Alcindo Luz Bastos (63x), Rosen, Willy (63x), Peschardt, Søren (52x), Chirila, Ioan-Cristian (39x), Vokac, Marek (36x), Arzumanian, Georgii (35x)
5.Nb5 — 4.6% (459 parties)
Ambassadeurs : Grivas, Efstratios (11x), Ivanchuk, Vasyl (5x), Shabalov, Alexander (4x), Yermolinsky, Alex (4x), Grabics, Monika (4x), Da Silva Filho, Alcindo Luz Bastos (4x), Van der Weide, Piet (3x), Knezevic, Bojan (3x)
5.Nxc6 — 4.5% (445 parties)
Ambassadeurs : Skacel, Tomas (6x), Rosen, Willy (6x), Grivas, Efstratios (6x), Hrbolka, Ladislav (5x), Golod, Vitali (5x), Hernandez Fonseca, Maria Paula (4x), Saxlova, Marketa (3x), Jordan, Juergen (3x)
5.c3 — 1.5% (148 parties)
Ambassadeurs : Kohanov, Boris (6x), Strejc, Vit (3x), Bronstein, David I (2x), Zatloukal, Vaclav (2x), Petrakovic, Kamil (2x), Hrbolka, Ladislav (2x), Echeverri Yesenia (2x), Kovin, Egor (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nb3 5.Nb5 5.Nxc6 5.c3
<1800 265 72% 2% 19% 5%
1800-2200 3036 84% 6% 7% 2%
2200-2600 5247 94% 4% 1% 0%
2600+ 132 91% 8% 1% —
Évolution par décennie (% des parties)
Décennie N parties 5.Nb3 5.Nb5 5.Nxc6 5.c3
1880s 1 100% — — —
1910s 1 100% — — —
1920s 2 100% — — —
1930s 1 100% — — —
1940s 3 100% — — —
1950s 1 100% — — —
1960s 128 87% 10% 1% 1%
1970s 96 92% 3% — 3%
1980s 389 91% 6% 2% 0%
1990s 1413 84% 7% 5% 2%
2000s 2909 87% 5% 4% 2%
2010s 4071 88% 4% 5% 1%
2020s 951 92% 3% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nb3 88% 92% ▲ +3.5%
5.Nb5 4% 3% ▼ -0.8%
5.Nxc6 5% 3% ▼ -1.7%
5.c3 1% 1% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 6 parties
Tal, Mikhail — 3 parties
Kramnik, Vladimir — 3 parties
Botvinnik, Mikhail — 3 parties
Kasparov, Garry — 1 partie
Gukesh D — 1 partie
Hou, Yifan — 1 partie
Parties historiques
5.Nb3 — 87.8% (8755 parties)
1881 — Chigorin, Mikhail vs Paulsen, Louis — 1-0 — Berlin GER
1912 — Severne E vs Connell, James — 1/2-1/2 — Napier
1927 — Gereben, Erno vs Meller, Ferdinand — 0-1 — Sopron
1928 — Opocensky, Karel vs Hasek, Josef — 1-0 — Prague CZE
1938 — Oettinger, Hagen vs Mross, Paul — 1-0 — Krakow POL
5.Nb5 — 4.6% (459 parties)
1963 — De Rooi, Paul vs Mohrlok, Dieter — 1/2-1/2 — Beverwijk NED
1964 — De Freitas, Marcio Elisio vs Mendes, Silvio Luiz Teixeira — 0-1 — Sao Paulo BRA
1964 — Dikarev, Igor vs Gufeld, Eduard — 1/2-1/2 — Kiev UKR
1965 — Hecht, Hans-Joachim vs Van der Weide, Piet — 1-0 — FRG-NLD student
1966 — Pedersen, Bent O. vs Korning, Peter — 0-1 — ?
5.Nxc6 — 4.5% (445 parties)
1962 — Zurakhov, Vladlen Y vs Nikolaevsky, Yuri V — 0-1 — Kiev UKR
1988 — Uriz, Lanz vs Dolby Nosas, Axel — 1-0 — cr.
1988 — Lecuyer, Christian vs Dezan, Pierre — 1-0 — France
1988 — Kasalo, Marija vs Ristic, Eleonora — 1-0 — Brezovica
1988 — Perenyi, Bela vs Gruenberg, Hans-Ulrich — 0-1 — Leipzig GER
5.c3 — 1.5% (148 parties)
1969 — Zuidema, Coen vs Ree, Hans — 1/2-1/2 — Leeuwarden ch-NED
1972 — Asfary vs Vasquez, Julio E — 0-1 — Skopje MKD
1973 — Galeffi vs Amoroso, Angelo — 0-1 — cr.
1975 — Bronstein, David I vs Vasiukov, Evgeni — 1/2-1/2 — Vilnius LTU
1980 — Taeymans, Jef vs Melle, Ezio — 0-1 — Noordwijkerhout NED