B45s - 5…Nf6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.Nxc3 d5 - Taimanov Four Knights

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B45s — Taimanov Four Knights
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.Nxc3 d5
Les coups candidats
9.exd5 — 89.3% (5262 parties)
Ambassadeurs : Van Riemsdijk, Herman C. (37x), Khenkin, Igor (19x), Stein, Bernd (15x), Rogozenco, Dorian (15x), Rosen, Bernd (14x), Vager, Boris (13x), Goncharenko, Georgy (13x), Grobler, David (13x)
9.Bd3 — 9.9% (586 parties)
Ambassadeurs : Astasio Lopez, David (5x), Pilnik, Herman (4x), Moldovan, Daniel (4x), Zawadzka, Jolanta (4x), Cernov, Vadim (4x), Michel, Pascal (3x), Stahlberg, Gideon (3x), Hasangatin, Ramil (3x)
9.Bg5 — 0.6% (36 parties)
Ambassadeurs : Pillsbury, Harry (1x), Blackburne, Joseph (1x), Baird, David (1x), Morris Wambui (1x), Ibrahimoglu, Ismet (1x), Siaperas, Triantafyllos (1x), Karklins, Andrew (1x), Sandrin, Angelo (1x)
9.Bb5 — 0.1% (6 parties)
Ambassadeurs : Fletzer, Gino (1x), Emden, Hermann (1x), Jimenez Rando, Antonio (1x), Baron Isanta, Jose Maria (1x), Mrvova, Alena (1x), Pokorna, Renata (1x), Fongers, Joyce (1x), Andres Gonzalez, Ivan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.exd5 9.Bd3 9.Bg5 9.Bb5
<1800 173 93% 5% 2% —
1800-2200 2039 91% 8% 1% 0%
2200-2600 2523 87% 13% 0% 0%
2600+ 84 71% 29% — —
Évolution par décennie (% des parties)
Décennie N parties 9.exd5 9.Bd3 9.Bg5 9.Bb5
1880s 4 100% — — —
1890s 3 100% — — —
1900s 30 90% 7% 3% —
1910s 3 67% — 33% —
1920s 6 83% 17% — —
1930s 8 88% 12% — —
1940s 32 81% 19% — —
1950s 103 85% 14% — 1%
1960s 225 95% 4% 1% —
1970s 181 97% 2% — —
1980s 234 97% 2% — —
1990s 833 95% 4% 1% 0%
2000s 1861 87% 12% 1% —
2010s 1683 90% 9% 1% 0%
2020s 686 81% 19% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.exd5 90% 81% ▼ -9.5%
9.Bd3 9% 19% ▲ +10.4%
9.Bg5 1% 0% ▼ -0.8%
9.Bb5 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Kramnik, Vladimir — 4 parties
Smyslov, Vladimir — 2 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 2 parties
Alekhine, Alexander — 1 partie
Lasker, Emanuel — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
9.exd5 — 89.3% (5262 parties)
1880 — White, Max vs Minckwitz, Johannes — 1/2-1/2 — Graz AUT
1881 — Schmid, Christoph vs Blackburne, Joseph — 0-1 — Berlin GER
1883 — Caceres Richter, Dylan vs Tarrasch, Siegbert — 0-1 — Halle GER
1885 — Cambridge, Gregory vs Bedlam — 0-1 — cr.
1897 — D Marco, Gianni vs Schiffers, Emanuel — 1/2-1/2 — Berlin GER
9.Bd3 — 9.9% (586 parties)
1900 — Lawrence, Thomas F vs Van Vliet, Lodewijk — 1/2-1/2 — London ENG
1901 — Napier, William vs Karpinski, Louis Charles — 1-0 — Buffalo
1921 — John Wade Wec-Nyin vs Saemisch, Friedrich — 0-1 — Hamburg GER
1939 — Capablanca, Jose vs Tartakower, Savielly — 1/2-1/2 — Buenos Aires ARG
1943 — Michel, Pascal vs Concepcion Villegas, Bryan Uriel — 1/2-1/2 — Mar del Plata ARG
9.Bg5 — 0.6% (36 parties)
1901 — Pillsbury, Harry vs Blackburne, Joseph — 1-0 — Brooklyn/London
1911 — Baird, David vs Morris Wambui — 1/2-1/2 — New York, NY USA
1963 — Friehoff, Heinz vs Konrad Eberhard — 0-1 — Helmbrechts GER
1968 — Ibrahimoglu, Ismet vs Siaperas, Triantafyllos — 1-0 — Lugano olm
1968 — Karklins, Andrew vs Sandrin, Angelo — 1-0 — Greater Chicago op
9.Bb5 — 0.1% (6 parties)
1957 — Fletzer, Gino vs Emden, Hermann — 1/2-1/2 — San Benedetto
1996 — Mrvova, Alena vs Pokorna, Renata — 0-1 — Slovakia
1997 — Jimenez Rando, Antonio vs Baron Isanta, Jose Maria — 1/2-1/2 — Manresa op
1998 — Fongers, Joyce vs Andres Gonzalez, Ivan — 1/2-1/2 — San Agustin
2016 — Sandor, Tamas vs Orso, Miklos — 1/2-1/2 — Miercurea Ciuc