Ambassadeurs : Rubinstein, Akiba (8x), Gruenfeld, Ernst (5x), Leitao, Rafael (5x), Lombardy, William J (4x), Peredy, Ferenc (4x), Tartakower, Savielly (3x), Lundin, Erik (3x), Mikenas, Vladas (3x)
7.a4 — 41.3% (1011 parties)
Ambassadeurs : Gruenfeld, Ernst (5x), Ribli, Zoltan (4x), Saemisch, Friedrich (3x), Rubinstein, Akiba (3x), Tartakower, Savielly (3x), Radulov, Ivan (3x), Franco Ocampos, Zenon (3x), Sher, Miron (3x)
7.dxc5 — 3.8% (94 parties)
Ambassadeurs : Andersson, Ulf (4x), Portisch, Lajos (3x), Bronstein, David I (2x), Radulov, Ivan (2x), Adamski, Jan (2x), Ivkov, Borislav (2x), Kolnhofer, Josef (1x), Gruenfeld, Ernst (1x)
7.Bd3 — 3.6% (89 parties)
Ambassadeurs : Gruenfeld, Ernst (2x), Gligoric, Svetozar (2x), Karaklajic, Nikola (2x), Stohl, Igor (2x), Keitlinghaus, Ludger (2x), Baranov, Jury (2x), Johner, Hans (1x), Rubinstein, Akiba (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
7.O-O
7.a4
7.dxc5
7.Bd3
<1800
81
44%
47%
1%
2%
1800-2200
696
39%
47%
2%
2%
2200-2600
1090
42%
40%
5%
4%
2600+
74
42%
31%
8%
8%
Évolution par décennie (% des parties)
Décennie
N parties
7.O-O
7.a4
7.dxc5
7.Bd3
1900s
16
69%
12%
—
12%
1910s
3
100%
—
—
—
1920s
28
61%
36%
—
4%
1930s
35
49%
29%
6%
9%
1940s
11
64%
36%
—
—
1950s
27
70%
19%
4%
—
1960s
57
40%
49%
2%
4%
1970s
42
31%
52%
12%
—
1980s
134
37%
48%
10%
1%
1990s
417
43%
41%
4%
5%
2000s
798
40%
42%
3%
5%
2010s
626
45%
43%
3%
2%
2020s
254
46%
37%
4%
2%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
7.O-O
45%
46%
▲ +1.0%
7.a4
43%
37%
▼ -5.6%
7.dxc5
3%
4%
▲ +0.9%
7.Bd3
2%
2%
-0.4%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 4 parties Lasker, Emanuel — 3 parties Karpov, Aleksandr — 3 parties Gukesh D — 3 parties Karpov, Anatoly — 2 parties Carlsen, Magnus — 2 parties Botvinnik, Mikhail — 1 partie Smyslov, Vladimir — 1 partie Anand, Viswanathan — 1 partie Ding, Liren — 1 partie Ju, Wenjun — 1 partie
Parties historiques
7.O-O — 43.0% (1053 parties)
1904 — Napier, William vs Blackburne, Joseph — 1/2-1/2 — London ENG 1906 — Marshall Viele, Fabrizio Aaron vs Wolf Heinrich — 1-0 — Nuerenberg GER 1907 — Burn, Amos vs Janowski, Dawid — 0-1 — Ostende 1907 — Rubinstein, Akiba vs Przepiorka, Dawid — 1-0 — Lodz POL 1907 — Mlodzik, V vs Krofta K — 0-1 — Brno CZE
7.a4 — 41.3% (1011 parties)
1900 — Lasker, Emanuel vs Maroczy, Geza — 1-0 — Paris FRA 1906 — Rubinstein, Akiba vs Janowski, Dawid — 0-1 — Ostend 1924 — Johner, Paul vs Rubinstein, Akiba — 1/2-1/2 — Berlin GER 1925 — Vajda, Arpad vs Johner, Paul — 1/2-1/2 — Debrecen HUN 1925 — Opocensky, Karel vs Tartakower, Savielly — 0-1 — Paris FRA
7.dxc5 — 3.8% (94 parties)
1933 — Kolnhofer, Josef vs Gruenfeld, Ernst — 0-1 — Vienna AUT 1935 — Brody, Miklos vs Eliskases, Erich — 1/2-1/2 — Warsaw POL 1958 — Ramirez, Hernan vs Alvarez Martin, Pedro — 1/2-1/2 — Pereira 1966 — Nei, Iivo vs Bronstein, David I — 0-1 — Tbilisi ch-URS 1970 — Donner, Jan-Hein vs Spassky, Boris V. — 0-1 — Amsterdam NED
7.Bd3 — 3.6% (89 parties)
1907 — Bernstein, Olivia vs Schories, Georg — 0-1 — Ostende II 1907 — Teichmann, Richard vs Berger, Jacob — 1/2-1/2 — Carlsbad CZE 1925 — Cs. Nagy, Gabor vs Gruenfeld, Ernst — 0-1 — Debrecen HUN 1931 — Johner, Hans vs Rubinstein, Akiba — 1-0 — Prague ol Prague CZE 1932 — Piccardt, CH. vs Oskam, Gerard — 0-1 — NED
Lasker, Emanuel — 3 parties
Karpov, Aleksandr — 3 parties
Gukesh D — 3 parties
Karpov, Anatoly — 2 parties
Carlsen, Magnus — 2 parties
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
1906 — Marshall Viele, Fabrizio Aaron vs Wolf Heinrich — 1-0 — Nuerenberg GER
1907 — Burn, Amos vs Janowski, Dawid — 0-1 — Ostende
1907 — Rubinstein, Akiba vs Przepiorka, Dawid — 1-0 — Lodz POL
1907 — Mlodzik, V vs Krofta K — 0-1 — Brno CZE
1906 — Rubinstein, Akiba vs Janowski, Dawid — 0-1 — Ostend
1924 — Johner, Paul vs Rubinstein, Akiba — 1/2-1/2 — Berlin GER
1925 — Vajda, Arpad vs Johner, Paul — 1/2-1/2 — Debrecen HUN
1925 — Opocensky, Karel vs Tartakower, Savielly — 0-1 — Paris FRA
1935 — Brody, Miklos vs Eliskases, Erich — 1/2-1/2 — Warsaw POL
1958 — Ramirez, Hernan vs Alvarez Martin, Pedro — 1/2-1/2 — Pereira
1966 — Nei, Iivo vs Bronstein, David I — 0-1 — Tbilisi ch-URS
1970 — Donner, Jan-Hein vs Spassky, Boris V. — 0-1 — Amsterdam NED
1907 — Teichmann, Richard vs Berger, Jacob — 1/2-1/2 — Carlsbad CZE
1925 — Cs. Nagy, Gabor vs Gruenfeld, Ernst — 0-1 — Debrecen HUN
1931 — Johner, Hans vs Rubinstein, Akiba — 1-0 — Prague ol Prague CZE
1932 — Piccardt, CH. vs Oskam, Gerard — 0-1 — NED