B45t - 5…Nf6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.Nxc3 d5 9.exd5 exd5 - Taimanov Four Knights [+0.26]

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B45t — 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 9.exd5 exd5
Eval: [+0.26]
Les coups candidats
10.Bd3 — 90.2% (4174 parties)
Ambassadeurs : Van Riemsdijk, Herman C. (31x), Khenkin, Igor (18x), Stein, Bernd (15x), Rogozenco, Dorian (15x), Goncharenko, Georgy (13x), Grobler, David (13x), Witkowski, Stefan (12x), Rosen, Bernd (12x)
10.Bg5 — 6.0% (278 parties)
Ambassadeurs : Kuljasevic, Davorin (3x), Theissl Pokorna, Regina (3x), Blackburne, Joseph (2x), Stenborg, Ake (2x), Aguirre Rivera, Daniel Arturo (2x), Rosen, Bernd (2x), Caminade, Christian (2x), Kohut, Anna (2x)
10.Qe2+ — 1.3% (59 parties)
Ambassadeurs : Dvoirys, Semen I. (3x), Losada Carrera, Francisco Javier (2x), Mogilevsky, Alexander (1x), Smyslov, Vladimir (1x), Tarnowski, Alfred (1x), Marsalek, Josef (1x), Tsagan, T (1x), Shapiro, Adam (1x)
10.Be2 — 0.9% (43 parties)
Ambassadeurs : Fine, Reuben (1x), Mugridge, Donald (1x), Sterk, Karoly (1x), Becker, Albert (1x), Nei, Iivo (1x), Witkowski, Stefan (1x), Tarnowski, Alfred (1x), Orbaan, Constant (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Bd3 10.Bg5 10.Qe2+ 10.Be2
<1800 137 88% 6% 2% —
1800-2200 1682 87% 8% 1% 1%
2200-2600 2011 95% 3% 1% 1%
2600+ 51 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 10.Bd3 10.Bg5 10.Qe2+ 10.Be2
1880s 3 — 100% — —
1890s 3 67% 33% — —
1900s 24 79% 12% — —
1910s 1 100% — — —
1920s 4 50% 25% — —
1930s 7 57% 29% — 14%
1940s 24 83% 4% 4% 4%
1950s 67 87% 7% — 4%
1960s 116 90% 7% 2% —
1970s 120 88% 8% — 1%
1980s 207 91% 7% 0% 0%
1990s 707 87% 9% 1% 1%
2000s 1502 89% 6% 2% 1%
2010s 1327 93% 5% 1% 1%
2020s 518 95% 3% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Bd3 93% 95% ▲ +2.0%
10.Bg5 5% 3% ▼ -2.0%
10.Qe2+ 1% 1% -0.4%
10.Be2 1% 0% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 3 parties
Smyslov, Vladimir — 2 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 2 parties
Alekhine, Alexander — 1 partie
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
10.Bd3 — 90.2% (4174 parties)
1897 — D Marco, Gianni vs Schiffers, Emanuel — 1/2-1/2 — Berlin GER
1898 — D Marco, Gianni vs Schiffers, Emanuel — 0-1 — Vienna AUT
1900 — Physick, Thomas vs Blackburne, Joseph — 0-1 — London ENG
1901 — Chigorin, Mikhail vs Marchand, Max — 0-1 — Monte Carlo MNC
1901 — Janowski, Dawid vs Blackburne, Joseph — 1-0 — Monte Carlo Monte Carlo MNC
10.Bg5 — 6.0% (278 parties)
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.
1899 — Agues Marco, Leo vs Mieses Cotes, Alejandro Rainier — 1/2-1/2 — London ENG
1900 — Pillsbury, Harry vs Mieses, Jacques — 1/2-1/2 — Paris FRA
10.Qe2+ — 1.3% (59 parties)
1942 — Mogilevsky, Alexander vs Smyslov, Vladimir — 0-1 — Kuibyshev
1961 — Tarnowski, Alfred vs Marsalek, Josef — 1-0 — Bucharest ROU
1962 — Tsagan, T vs Shapiro, Adam — 0-1 — Varna BUL
1980 — Gazik, Igor vs Van Riemsdijk, Herman C. — 1/2-1/2 — Le Havre
1991 — Hazai, Laszlo Dr. vs Khenkin, Igor — 1/2-1/2 — Cansys GM-Nov
10.Be2 — 0.9% (43 parties)
1930 — Sterk, Karoly vs Becker, Albert — 0-1 — Vienna AUT
1943 — Fine, Reuben vs Mugridge, Donald — 1-0 — Washington, DC USA
1950 — Blau, Max vs Emden, Hermann — 1/2-1/2 — Lucerne SUI
1959 — Nei, Iivo vs Witkowski, Stefan — 1/2-1/2 — Riga LAT
1959 — Tarnowski, Alfred vs Orbaan, Constant — 0-1 — Krakow POL