Ambassadeurs : Ftacnik, Lubomir (5x), Polugaevsky, Lev (4x), Mokry, Karel (3x), Petrosian, Tigran V. (3x), Gligoric, Sofija (2x), Ligterink, Gert (2x), Markovic, Miroslav (2x), Brunner, Lucas (2x)
9.b4 — 37.9% (191 parties)
Ambassadeurs : Portisch, Lajos (6x), Donner, Jan-Hein (5x), Neverov, Valeriy (4x), Gligoric, Svetozar (3x), Bisguier, Arthur B (3x), Tal, Mikhail (3x), Torre, Eugenio (3x), Khalifman, Alexander (3x)
9.b3 — 9.5% (48 parties)
Ambassadeurs : Shcherbakov, Ruslan (3x), Speelman, Jon S (3x), ? (2x), Lukacs, Peter (2x), Shariyazdanov, Andrey (2x), Rantanen, Yrjo A. (2x), McCormick, James (1x), Demauro, J. (1x)
9.Qe2 — 6.5% (33 parties)
Ambassadeurs : Rapaka Samuel Paul (2x), Mecking, Henrique (2x), Polugaevsky, Lev (2x), Schreiner, Till (2x), Addison, Wiliam G (1x), Cobo Arteaga Eldis (1x), Bolbochan, Julio (1x), Dolgitser, Konstantin (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
9.cxd5
9.b4
9.b3
9.Qe2
<1800
13
38%
46%
8%
—
1800-2200
141
44%
35%
6%
7%
2200-2600
252
40%
36%
12%
6%
2600+
39
31%
51%
8%
10%
Évolution par décennie (% des parties)
Décennie
N parties
9.cxd5
9.b4
9.b3
9.Qe2
1950s
2
—
50%
—
—
1960s
11
9%
64%
—
18%
1970s
22
14%
68%
—
14%
1980s
45
58%
33%
2%
2%
1990s
96
30%
36%
19%
8%
2000s
78
50%
23%
9%
4%
2010s
213
41%
39%
9%
7%
2020s
37
41%
46%
5%
3%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
9.cxd5
41%
41%
-0.3%
9.b4
39%
46%
▲ +7.0%
9.b3
9%
5%
▼ -4.0%
9.Qe2
7%
3%
▼ -4.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties Kramnik, Vladimir — 1 partie Ju, Wenjun — 1 partie
Parties historiques
9.cxd5 — 39.7% (200 parties)
1961 — Banfalvi, Sander vs Fazekas, Stephan — 1-0 — Debrecen HUN 1975 — Tarjan, James vs Silman, Jeremy — 1/2-1/2 — Berkeley 1978 — Lind, Anders vs Andeer, Stefan — 0-1 — ? 1979 — Knaak, Rainer vs Beliavsky, Alexander G — 1-0 — Novi Sad SRB 1980 — Gligoric, Sofija vs Stean, Michael F — 1/2-1/2 — Baden-Baden GER
9.b4 — 37.9% (191 parties)
1958 — Zhukhovitsky, Samuel vs Sokolsky, Alexey — 1-0 — Baku AZE 1961 — Perez Perez, Francisco Jose vs Pachman, Ludek — 1/2-1/2 — Oberhausen etc 1961 — Averbakh, Yuri L vs Taimanov, Mark — 1/2-1/2 — Baku ch-URS 1962 — Olafsson, Fridrik vs Bisguier, Arthur B — 1/2-1/2 — Stockholm izt 1962 — Portisch, Lajos vs Bolbochan, Julio — 1/2-1/2 — Stockholm izt
9.b3 — 9.5% (48 parties)
1980 — McCormick, James vs Demauro, J. — 0-1 — Seattle, WA USA 1990 — Mega R vs ? — 0-1 — 5+11 1991 — Eriksson, Johan vs Hellsten, Johan — 0-1 — Helsingborg 1991 — Speelman, Jon S vs Chandler, Murray G — 1-0 — Hastings ENG 1992 — Strautins, Uldis vs Livie, Douglas M. — 1-0 — CCOL12 prel4-4
9.Qe2 — 6.5% (33 parties)
1962 — Cobo Arteaga Eldis vs Bolbochan, Julio — 1/2-1/2 — Olympiad Varna BUL 1969 — Addison, Wiliam G vs Rapaka Samuel Paul — 1/2-1/2 — New York ch-USA 1977 — Mecking, Henrique vs Polugaevsky, Lev — 0-1 — Luzern 2 1977 — Mecking, Henrique vs Polugaevsky, Lev — 0-1 — Lucerne SUI 1979 — Gofshtein, Leonid vs Salov, Sergej — 0-1 — Beltsy
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
1975 — Tarjan, James vs Silman, Jeremy — 1/2-1/2 — Berkeley
1978 — Lind, Anders vs Andeer, Stefan — 0-1 — ?
1979 — Knaak, Rainer vs Beliavsky, Alexander G — 1-0 — Novi Sad SRB
1980 — Gligoric, Sofija vs Stean, Michael F — 1/2-1/2 — Baden-Baden GER
1961 — Perez Perez, Francisco Jose vs Pachman, Ludek — 1/2-1/2 — Oberhausen etc
1961 — Averbakh, Yuri L vs Taimanov, Mark — 1/2-1/2 — Baku ch-URS
1962 — Olafsson, Fridrik vs Bisguier, Arthur B — 1/2-1/2 — Stockholm izt
1962 — Portisch, Lajos vs Bolbochan, Julio — 1/2-1/2 — Stockholm izt
1990 — Mega R vs ? — 0-1 — 5+11
1991 — Eriksson, Johan vs Hellsten, Johan — 0-1 — Helsingborg
1991 — Speelman, Jon S vs Chandler, Murray G — 1-0 — Hastings ENG
1992 — Strautins, Uldis vs Livie, Douglas M. — 1-0 — CCOL12 prel4-4
1969 — Addison, Wiliam G vs Rapaka Samuel Paul — 1/2-1/2 — New York ch-USA
1977 — Mecking, Henrique vs Polugaevsky, Lev — 0-1 — Luzern 2
1977 — Mecking, Henrique vs Polugaevsky, Lev — 0-1 — Lucerne SUI
1979 — Gofshtein, Leonid vs Salov, Sergej — 0-1 — Beltsy