B77g - 9…Bd7 10.Bb3 [+0.23]

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B77g —
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.Bb3
Eval: [+0.23]
Les coups candidats
10…Rc8 — 36.4% (2782 parties)
Ambassadeurs : Mokrys, Christian-Peter (8x), Fruebing, Stefan (8x), Velimirovic, Dragoljub (7x), Meijers, Viesturs (6x), Anand, Viswanathan (6x), Soltis, Andrew (5x), Levy, David N L (5x), Kalod, Radek (5x)
10…Nxd4 — 28.6% (2183 parties)
Ambassadeurs : Forintos, Gyozo V (18x), Guseinov, Gadir (12x), Ekebjaerg, Ove (11x), Macieja, Bartlomiej (9x), Adorjan, Andras (8x), Leon Hoyos, Manuel (8x), Emiroglu, Cankut (8x), Garcia, Luis E. (7x)
10…Qa5 — 14.6% (1120 parties)
Ambassadeurs : Habibi, Ali (9x), Meijers, Viesturs (7x), Velimirovic, Dragoljub (7x), Makropoulos, Georgios (6x), Barnes, Craig (5x), Kuzubov, Yuriy (5x), Westerinen, Heikki M.J. (4x), Janosevic, Dragoljub (4x)
10…Na5 — 9.2% (703 parties)
Ambassadeurs : Tassone, Raffaele (6x), Paredes, Carlos (6x), Cuenca Jimenez, Jose Fernando (5x), Bu, Xiangzhi (5x), Ljubicic, Ante (4x), Bals Hernandez, Jordi (4x), Felicio, Clairton (3x), Stöckert, Mario (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…Rc8 10…Nxd4 10…Qa5 10…Na5
<1800 256 39% 16% 15% 8%
1800-2200 2780 38% 25% 14% 9%
2200-2600 3056 32% 37% 11% 12%
2600+ 113 26% 61% 2% 12%
Évolution par décennie (% des parties)
Décennie N parties 10…Rc8 10…Nxd4 10…Qa5 10…Na5
1930s 1 — 100% — —
1950s 6 33% 17% — 33%
1960s 158 20% 20% 39% —
1970s 492 30% 23% 39% 1%
1980s 345 54% 19% 19% 1%
1990s 805 50% 15% 19% 2%
2000s 2175 36% 27% 17% 7%
2010s 3188 34% 32% 8% 15%
2020s 476 28% 50% 5% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…Rc8 34% 28% ▼ -7.0%
10…Nxd4 32% 50% ▲ +17.7%
10…Qa5 8% 5% ▼ -2.5%
10…Na5 15% 8% ▼ -7.3%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Karpov, Anatoly — 4 parties
Tal, Mikhail — 2 parties
Hou, Yifan — 2 parties
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
10…Rc8 — 36.4% (2782 parties)
1957 — Djurasevic, Branislav vs Averbakh, Yuri L — 1-0 — Vienna AUT
1958 — Lombardy, William J vs Byrne, Ray — 1/2-1/2 — New York, NY USA
1960 — Bednarski, Jacek vs Spotanski — 0-1 — ?
1961 — ? vs Tomovic, Vasilje — 1-0 — Belgrade SRB
1961 — Shmit, Anatoly vs Parma, Bruno — 1/2-1/2 — Belgrade SRB
10…Nxd4 — 28.6% (2183 parties)
1939 — Smyslov, Vladimir vs Rabinovich, Ilya Mar — 1/2-1/2 — Leningrad RUS
1959 — Honfi, Karoly vs Lengyel, Levente — 1/2-1/2 — Budapest HUN
1962 — Szily, Jozsef vs Borloy, Karoly — 1/2-1/2 — Budapest HUN
1963 — Nei, Iivo vs Geller, Efim P. — 1/2-1/2 — Leningrad ch-URS
1963 — Romanovsky, Rem Konstantinovich vs Nikolaevsky, Yuri V — 0-1 — Kiev UKR
10…Qa5 — 14.6% (1120 parties)
1962 — Gonzalez Intelangelo, Gerardo vs Schweber, Samuel — 0-1 — Buenos Aires ARG
1966 — Kerkhoff, Chris vs Whiteley, James M — 1/2-1/2 — Vlissingen NLD-ENG
1966 — Myagmarsuren, Lkhamsuren vs Yepez, Olavo — 1/2-1/2 — Havana CUB
1966 — Ducic, Bogdan vs Hartston, William R — 0-1 — Havana CUB
1966 — Hartston, William R vs Westerinen, Heikki M.J. — 0-1 — Havana CUB
10…Na5 — 9.2% (703 parties)
1955 — Wade, Robert G vs Van Hoorde, Alexandre — 1-0 — Mont Pelerin sur Vevey
1958 — Szabo, Laszlo vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
1973 — Baiocchi Davila, Mauro Alejandro vs Cane, Andrea — 0-1 — corr Italy
1974 — Ben-Zion, David vs Dobkin, Iosef — 0-1 — Israel
1975 — Gonzalez Klein, Alberto vs Rekdal, Yngve Mahle — 1-0 — cr.