Ambassadeurs : Cafferty, Bernard (9x), Taimanov, Mark (6x), Geller, Efim P. (5x), Torre, Eugenio (4x), Lanz Calavia, José María (4x), Fischer, Robert J (3x), Lechtynsky, Jiri (3x), Robatsch, Karl (2x)
9…Nh5 — 32.8% (222 parties)
Ambassadeurs : Vogt, Lothar (6x), Constantinou, Agathoclis (4x), Cafferty, Bernard (3x), Ree, Hans (3x), Gufeld, Eduard (3x), Nunn, John D M (3x), Pekarek, Ales (3x), Piket, Jeroen (3x)
9…Nd7 — 20.4% (138 parties)
Ambassadeurs : Sysel, Jaroslav (3x), Geller, Efim P. (2x), Paavilainen, Jorma (2x), Luczak, Andrzej (2x), Boersma, Paul (2x), Plachetka, Jan (2x), Petschar, Hans (2x), Paterek, Michal (2x)
9…c5 — 3.6% (24 parties)
Ambassadeurs : Cafferty, Bernard (2x), McFarland, Robert S (2x), Squires, MJ. (1x), Neat, Ken P (1x), Goodman, David S C (1x), Weise, Dieter (1x), Oechslein, Rainer (1x), Korchnoi, Viktor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
9…Ne8
9…Nh5
9…Nd7
9…c5
<1800
8
38%
12%
—
12%
1800-2200
186
41%
28%
21%
2%
2200-2600
326
33%
38%
20%
4%
2600+
18
44%
39%
6%
6%
Évolution par décennie (% des parties)
Décennie
N parties
9…Ne8
9…Nh5
9…Nd7
9…c5
1950s
6
50%
17%
33%
—
1960s
10
30%
—
40%
—
1970s
111
54%
25%
14%
6%
1980s
71
34%
31%
28%
6%
1990s
122
24%
43%
25%
3%
2000s
122
30%
36%
17%
2%
2010s
212
38%
33%
18%
3%
2020s
22
50%
23%
27%
—
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
9…Ne8
38%
50%
▲ +11.8%
9…Nh5
33%
23%
▼ -9.8%
9…Nd7
18%
27%
▲ +8.9%
9…c5
3%
0%
▼ -2.8%
Joueurs célèbres
Champions du monde dans cette position
Fischer, Robert James — 1 partie Kramnik, Vladimir — 1 partie
Parties historiques
9…Ne8 — 36.7% (248 parties)
1956 — Napolitano, Mario vs Olsson, Ake — 1-0 — Gardone Riviera 1959 — Geller, Efim P. vs Nitsche, Werner — 0-1 — Halle/Saale 1959 — Geller, Efim P. vs Patzak, Rudolf — 1-0 — Halle/Saale 1967 — Cafferty, Bernard vs Paige, Roger L — 1-0 — Hastings ENG 1968 — Geller, Efim P. vs ? — 1-0 — Skopje MKD
9…Nh5 — 32.8% (222 parties)
1953 — Benkner, Otto vs Unzicker, Wolfgang — 0-1 — Leipzig GER 1970 — Taimanov, Mark vs Vogt, Lothar — 1/2-1/2 — Leipzig GER 1971 — Rakay, Kvetoslav vs Vogt, Lothar — 0-1 — Novy Smokovec SVK 1971 — Svoboda, Vaclav vs Mista, Ladislav — 0-1 — Havirov CZE 1971 — Harper, Bruce vs Zuk, Robert D. — 0-1 — Burnaby CAN
9…Nd7 — 20.4% (138 parties)
1958 — Fernandez, Bernardo vs Ramirez, Hernan — 1/2-1/2 — Pereira 1959 — Geller, Efim P. vs Kollberg, Lothar — 1-0 — Berlin East 1966 — Heemsoth, Hermann vs Schmaus, Alexandru — 1/2-1/2 — corr FRG/K 1966 — Acosta Garcia, Rafael Isaac vs Mecking, Henrique — 0-1 — Rio Hondo zt 1967 — Romani, Elio vs Ginoulhiac, Eugenio — 1-0 — Recoaro Terme
9…c5 — 3.6% (24 parties)
1972 — Weise, Dieter vs Oechslein, Rainer — 1-0 — Oberursel 1973 — Korchnoi, Viktor vs Byrne, Ray — 1-0 — Leningrad RUS 1975 — Cafferty, Bernard vs Squires, MJ. — 1-0 — ? 1975 — Muench, Klaus-Norbert, Dr. vs Seibold, Hubert, Dr. — 0-1 — Coburg 1976 — Cafferty, Bernard vs McFarland, Robert S — 1/2-1/2 — ?
Kramnik, Vladimir — 1 partie
1959 — Geller, Efim P. vs Nitsche, Werner — 0-1 — Halle/Saale
1959 — Geller, Efim P. vs Patzak, Rudolf — 1-0 — Halle/Saale
1967 — Cafferty, Bernard vs Paige, Roger L — 1-0 — Hastings ENG
1968 — Geller, Efim P. vs ? — 1-0 — Skopje MKD
1970 — Taimanov, Mark vs Vogt, Lothar — 1/2-1/2 — Leipzig GER
1971 — Rakay, Kvetoslav vs Vogt, Lothar — 0-1 — Novy Smokovec SVK
1971 — Svoboda, Vaclav vs Mista, Ladislav — 0-1 — Havirov CZE
1971 — Harper, Bruce vs Zuk, Robert D. — 0-1 — Burnaby CAN
1959 — Geller, Efim P. vs Kollberg, Lothar — 1-0 — Berlin East
1966 — Heemsoth, Hermann vs Schmaus, Alexandru — 1/2-1/2 — corr FRG/K
1966 — Acosta Garcia, Rafael Isaac vs Mecking, Henrique — 0-1 — Rio Hondo zt
1967 — Romani, Elio vs Ginoulhiac, Eugenio — 1-0 — Recoaro Terme
1973 — Korchnoi, Viktor vs Byrne, Ray — 1-0 — Leningrad RUS
1975 — Cafferty, Bernard vs Squires, MJ. — 1-0 — ?
1975 — Muench, Klaus-Norbert, Dr. vs Seibold, Hubert, Dr. — 0-1 — Coburg
1976 — Cafferty, Bernard vs McFarland, Robert S — 1/2-1/2 — ?