Ambassadeurs : Hebden, Mark L (29x), Geller, Efim P. (17x), Gheorghiu, Florin (15x), ? (12x), Milde, Lars (12x), Beliavsky, Alexander G (11x), Ivkov, Borislav (10x), Vyzmanavin, Alexey (10x)
9…c5 — 6.6% (197 parties)
Ambassadeurs : Najdorf, Miguel (5x), Boensch, Uwe (4x), Sharevich, Anna (4x), Ivkov, Borislav (3x), Filip, Marius Liviu (2x), Petrosian, Tigran V. (2x), Drimer, Dolfi (2x), Portisch, Ferenc (2x)
9…dxc4 — 5.6% (168 parties)
Ambassadeurs : Campora, Daniel H. (2x), Vyzmanavin, Alexey (2x), Bruzon Batista, Lazaro (2x), Burnett, Jim (2x), Milde, Lars (2x), Crewe, John E (1x), Charlick Henry (1x), Pedmanson, Herman (1x)
9…Ne4 — 2.4% (71 parties)
Ambassadeurs : Boensch, Uwe (3x), Vaganian, Rafael A (2x), Pomar Salamanca, Arturo (1x), Brinckmann, Alfred (1x), Kholmov, Ratmir D (1x), Bondarevsky, Igor (1x), Porreca, Giorgio (1x), Szabados, Eugenio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
9…Nbd7
9…c5
9…dxc4
9…Ne4
<1800
66
86%
6%
6%
2%
1800-2200
795
83%
8%
7%
2%
2200-2600
1478
89%
4%
5%
2%
2600+
104
93%
4%
2%
1%
Évolution par décennie (% des parties)
Décennie
N parties
9…Nbd7
9…c5
9…dxc4
9…Ne4
1850s
1
—
100%
—
—
1880s
1
—
—
100%
—
1900s
1
100%
—
—
—
1920s
1
100%
—
—
—
1930s
5
80%
—
20%
—
1940s
13
62%
8%
15%
15%
1950s
19
63%
5%
5%
26%
1960s
77
71%
22%
6%
—
1970s
48
69%
17%
6%
8%
1980s
223
84%
9%
6%
1%
1990s
430
84%
7%
5%
2%
2000s
1029
87%
6%
4%
2%
2010s
1012
86%
5%
6%
2%
2020s
147
84%
5%
7%
3%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
9…Nbd7
86%
84%
▼ -2.1%
9…c5
5%
5%
▲ +0.7%
9…dxc4
6%
7%
+0.4%
9…Ne4
2%
3%
▲ +1.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties Karpov, Aleksandr — 3 parties Kramnik, Vladimir — 3 parties Carlsen, Magnus — 3 parties Smyslov, Vladimir — 2 parties Karpov, Anatoly — 2 parties Botvinnik, Mikhail — 1 partie
Parties historiques
9…Nbd7 — 85.1% (2558 parties)
1900 — Burn, Amos vs Marshall, Frank — 1-0 — Parijs 1927 — Daunke, M. vs Gostynski, R. — 0-1 — Poznan tt 1932 — Busch, Prof Eugen vs Eliskases, Erich — 1/2-1/2 — IFSB Bundesmeisterschaft 1935 — Rabinovich, Ilya Mar vs Goglidze, Viktor — 1/2-1/2 — Moscow RUS 1936 — Tchernoff, N. vs Heinicke, Herbert — 0-1 — Munich GER
9…c5 — 6.6% (197 parties)
1851 — Ahmed Ezzat Gouda, Moustafa vs Nijmegen — 1/2-1/2 — cr. 1941 — Shainswit, George vs Cruz, Walter — 1/2-1/2 — Hamilton 1955 — Geller, Efim P. vs Ilivitsky, Georgy A — 0-1 — Goteborg SWE 1960 — Tan Hoang Liong vs Drimer, Dolfi — 1-0 — Leningrad Student tt 1960 — Szabo, Laszlo vs Barcza, Gedeon — 1/2-1/2 — Budapest HUN
9…dxc4 — 5.6% (168 parties)
1887 — Crewe, John E vs Charlick Henry — 0-1 — Adelaide AUS 1937 — Pedmanson, Herman vs Urban Szabo, Bela Dr. — 1/2-1/2 — Brno CZE 1943 — Novotny, Oldrich vs Podgorny, Jiri — 1/2-1/2 — Prague CZE 1949 — Mueller, Hans vs Foltys, Jan — 0-1 — Venice ITA 1954 — Stahlberg, Gideon vs Minev, Nikolay N — 1/2-1/2 — Prague CZE
9…Ne4 — 2.4% (71 parties)
1943 — Pomar Salamanca, Arturo vs Brinckmann, Alfred — 1/2-1/2 — Madrid ESP 1947 — Kholmov, Ratmir D vs Bondarevsky, Igor — 1-0 — Moscow RUS 1950 — Porreca, Giorgio vs Szabados, Eugenio — 1/2-1/2 — Venice ITA 1953 — Nikolac, Juraj vs Beni, Alfred — 1/2-1/2 — Opatija 1956 — Stahlberg, Gideon vs Zíta, František — 1-0 — Marianske Lazne
Karpov, Aleksandr — 3 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Smyslov, Vladimir — 2 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
1927 — Daunke, M. vs Gostynski, R. — 0-1 — Poznan tt
1932 — Busch, Prof Eugen vs Eliskases, Erich — 1/2-1/2 — IFSB Bundesmeisterschaft
1935 — Rabinovich, Ilya Mar vs Goglidze, Viktor — 1/2-1/2 — Moscow RUS
1936 — Tchernoff, N. vs Heinicke, Herbert — 0-1 — Munich GER
1941 — Shainswit, George vs Cruz, Walter — 1/2-1/2 — Hamilton
1955 — Geller, Efim P. vs Ilivitsky, Georgy A — 0-1 — Goteborg SWE
1960 — Tan Hoang Liong vs Drimer, Dolfi — 1-0 — Leningrad Student tt
1960 — Szabo, Laszlo vs Barcza, Gedeon — 1/2-1/2 — Budapest HUN
1937 — Pedmanson, Herman vs Urban Szabo, Bela Dr. — 1/2-1/2 — Brno CZE
1943 — Novotny, Oldrich vs Podgorny, Jiri — 1/2-1/2 — Prague CZE
1949 — Mueller, Hans vs Foltys, Jan — 0-1 — Venice ITA
1954 — Stahlberg, Gideon vs Minev, Nikolay N — 1/2-1/2 — Prague CZE
1947 — Kholmov, Ratmir D vs Bondarevsky, Igor — 1-0 — Moscow RUS
1950 — Porreca, Giorgio vs Szabados, Eugenio — 1/2-1/2 — Venice ITA
1953 — Nikolac, Juraj vs Beni, Alfred — 1/2-1/2 — Opatija
1956 — Stahlberg, Gideon vs Zíta, František — 1-0 — Marianske Lazne