A32v — Symmetrical, Two Knights (1920)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4 6.Bd2 Nc6
Les coups candidats
7.e3 — 32.8% (152 parties)
Ambassadeurs : Pomar Salamanca, Arturo (6x), Tal, Mikhail (2x), Eising, Johannes (2x), Ermenkov, Evgenij (2x), Nykopp, Jan-Michael F. (2x), Wedberg, Tom (2x), Adamski, Jan (2x), Lemaire, Robert (1x)
7.Nc2 — 28.1% (130 parties)
Ambassadeurs : Tal, Mikhail (2x), Oll, Lembit (2x), Gavrikov, Viktor (2x), Todorov, Ognjan (2x), Bolbochan, Jacobo (1x), Garcia, Eder Raimundo (1x), Aditya Balu Jadhav (1x), Popov, Vladimir L. (1x)
7.a3 — 17.3% (80 parties)
Ambassadeurs : Zhukhovitsky, Samuel (2x), Bosch van Rosenthal, Edzard (2x), Potter, Albert John (2x), Knaak, Rainer (2x), Veinger, Itzhak (2x), Eng, Holger, Dr. (2x), Cebalo, Miso (2x), Sokolowski, Ryszard (2x)
7.Nxc6 — 14.7% (68 parties)
Ambassadeurs : Smyslov, Vasily (1x), Stein, Leonid (1x), Drozd, Ryszard (1x), Kozma, Julius (1x), Eliskases, Erich (1x), Szabo, Laszlo (1x), Silies, J. (1x), Rolfes, D. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.e3 7.Nc2 7.a3 7.Nxc6
<1800 18 33% 28% — 17%
1800-2200 145 39% 26% 8% 19%
2200-2600 195 29% 36% 23% 9%
2600+ 6 — 33% 50% 17%
Évolution par décennie (% des parties)
Décennie N parties 7.e3 7.Nc2 7.a3 7.Nxc6
1950s 11 45% 36% — 9%
1960s 15 47% 33% 7% 13%
1970s 48 40% 25% 21% 8%
1980s 50 28% 28% 28% 14%
1990s 98 24% 21% 31% 14%
2000s 111 33% 30% 13% 17%
2010s 111 39% 31% 7% 15%
2020s 19 16% 37% 16% 21%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.e3 39% 16% ▼ -22.9%
7.Nc2 31% 37% ▲ +6.2%
7.a3 7% 16% ▲ +8.6%
7.Nxc6 15% 21% ▲ +5.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
7.e3 — 32.8% (152 parties)
1952 — Trifunovic, Petar vs Cuellar, Mario Exequiel — 1/2-1/2 — Mar del Plata ARG
1955 — Zhdanov, Aleksander vs Tal, Mikhail — 0-1 — Vilnius LTU
1955 — Grosek, Branko vs Stahlberg, Gideon — 1/2-1/2 — Ljubljana
1957 — Beltran Tassis, Alejandro vs Perez Gonsalves, Eduardo — 1/2-1/2 — Zaragoza
1957 — Engels, Ludwig vs Rossetto, Hector — 1/2-1/2 — Sao Paulo Sao Paulo BRA
7.Nc2 — 28.1% (130 parties)
1954 — Sajtar, Jaroslav vs Stahlberg, Gideon — 0-1 — Praag zt
1955 — Dodero, Emilio vs Miguel, Nahuel — 0-1 — Buenos Aires ARG
1957 — Al Husari, Zita Fatima vs Kozma, Julius — 0-1 — Prague CZE
1959 — Aditya Balu Jadhav vs Tal, Mikhail — 0-1 — Zurich SUI
1960 — Bosch van Rosenthal, Edzard vs Anay Barche — 1/2-1/2 — Budapest HUN
7.a3 — 17.3% (80 parties)
1969 — Zhukhovitsky, Samuel vs Sakharov, Yuri N — 1-0 — Grozny
1970 — Zhukhovitsky, Samuel vs Sakharov, Yuri G. — 1-0 — USSR
1971 — Bosch van Rosenthal, Edzard vs Timman, Jan H — 0-1 — Wijk aan Zee NED
1971 — Knaak, Rainer vs Kuzmin, Gennadi — 0-1 — Zinnowitz GER
1971 — Sorensen, Jens Kristian vs Gallmeyer, Peter — 1/2-1/2 — ?
7.Nxc6 — 14.7% (68 parties)
1952 — Eliskases, Erich vs Szabo, Laszlo — 0-1 — Saltsjobaden SWE
1962 — Drozd, Ryszard vs Kozma, Julius — 0-1 — Bucharest ROU
1966 — Smyslov, Vasily vs Stein, Leonid — 1/2-1/2 — Moscow RUS
1970 — Slujssar vs Atim Alicia Okello — 0-1 — Caracas VEN
1971 — Espig, Lutz vs Pytel, Krzysztof — 1/2-1/2 — Polanica Zdroj POL