B78c - 11.Bb3 - Dragon, Yugoslav (1957)

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B78c — Dragon, Yugoslav (1957)
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.O-O-O Rc8 11.Bb3
Les coups candidats
Ambassadeurs : Szalanczi, Emil (40x), Starace, Umberto (38x), Farago, Sandor (33x), Grego, Luis Gonzaga (24x), Evans, Gordon R Dr (23x), Pogonina, Natalija (20x), Agrel, Diane (20x), Simmelink, Joop Theo (19x)
11…Nxd4 — 16.6% (2071 parties)
Ambassadeurs : Muniz De Lucas, Alberto (24x), Thompson, Brian (23x), Montella, Salvatore (16x), Muñiz Pardiño, Alberto (13x), Hohlbein, Michael (13x), Koepke, Christian (12x), Mamedov, Rauf (12x), Castrillon Gomez, Melissa (11x)
11…Na5 — 4.2% (529 parties)
Ambassadeurs : Moreira, José Américo Paiva (8x), Davidov, Alexandar (4x), Flatz, Helmut (4x), Moreira, Jose Americo (4x), Aartun, Eivind (4x), Drake Díez de Rivera, Pedro (3x), Leisebein, Peter (2x), De los Santos Isabel (2x)
11…a6 — 1.2% (153 parties)
Ambassadeurs : Lipovcic, Marko (2x), Koskinen, Usko (1x), Vooremaa, Madis (1x), Hubacek, Jaroslav (1x), Mueller, Hagen (1x), Pomes, G (1x), Casteran, E (1x), Cohen, David (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…Ne5 11…Nxd4 11…Na5 11…a6
<1800 980 68% 17% 8% 4%
1800-2200 5895 76% 17% 4% 1%
2200-2600 3491 75% 22% 2% 0%
2600+ 63 63% 37% — —
Évolution par décennie (% des parties)
Décennie N parties 11…Ne5 11…Nxd4 11…Na5 11…a6
1950s 5 40% — 20% —
1960s 44 73% 2% 9% 2%
1970s 212 93% — 4% 0%
1980s 634 96% 0% 3% 0%
1990s 2255 93% 1% 3% 1%
2000s 4427 81% 11% 5% 1%
2010s 4333 64% 29% 4% 1%
2020s 586 47% 47% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…Ne5 64% 47% ▼ -17.2%
11…Nxd4 29% 47% ▲ +18.1%
11…Na5 4% 4% -0.2%
11…a6 1% 1% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 9 parties
Anand, Viswanathan — 6 parties
Karpov, Anatoly — 5 parties
Kramnik, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Hou, Yifan — 1 partie
Parties historiques
11…Ne5 — 76.5% (9556 parties)
1956 — Khodzhibekov, S. vs Korchnoi, Viktor — 0-1 — Frunze KGZ
1959 — Izvozchikov, Alexander vs Mikhael Jose Tomson — 1-0 — Moscow RUS
1960 — Bednarski, Jacek vs Spotanski — 0-1 — ?
1961 — Shmit, Anatoly vs Parma, Bruno — 1/2-1/2 — Belgrade SRB
1961 — Smit, Dick vs Parma, Alessandro — 1/2-1/2 — Belgrado
11…Nxd4 — 16.6% (2071 parties)
1963 — Kinnmark, Ove vs Westerinen, Heikki M.J. — 0-1 — Halle zt
1989 — Deforel, Jorge Eduardo vs Sanchez, Jose — 0-1 — corr LADAC Superior
1996 — Short, Nigel D vs Topalov, Veselin — 1/2-1/2 — Novgorod RUS
1996 — Adnan Al Sous vs Cordeiro, Vitor Louro — 0-1 — Evora
1996 — Rossmann, Andreas vs Onasch, Gunnar — 0-1 — Mecklenburg VP
11…Na5 — 4.2% (529 parties)
1959 — Furmston, MP. vs Matchett, HG. — 1-0 — Bognor Regis
1960 — Jansa, Vlastimil vs Prucha, Karel — 1/2-1/2 — Ostrava CZE
1961 — ? vs Tomovic, Vasilje — 1-0 — Belgrade SRB
1964 — Maier, Gennadi vs Albrecht, Ferenc — 1-0 — cr.
1965 — Moles, John L vs Watson, W Peter — 1/2-1/2 — Glasgow SCO
11…a6 — 1.2% (153 parties)
1963 — Koskinen, Usko vs Vooremaa, Madis — 1-0 — ?
1979 — Hubacek, Jaroslav vs Mueller, Hagen — 1-0 — corr Nord-Maehren-12
1985 — Pomes, G vs Casteran, E — 0-1 — La Hora
1987 — Cohen, David vs Closs, Matthew — 1-0 — Ottawa CAN
1991 — Sammalvuo, Tapani vs Haapanen, Aapo — 1-0 — Vantaa SM