Ambassadeurs : Uhlmann, Wolfgang (9x), Van Wely, Loek (5x), Keene, Raymond D (4x), Petrosian, Arshak B (4x), ? (4x), Predescu, Sebastian (4x), Farago, Ivan (4x), Frolov, Artur (4x)
8…a5 — 20.7% (355 parties)
Ambassadeurs : Czaus, Piotr (3x), Metras, Dominique (2x), Mertens, Paul (2x), Veltmann, Martin (2x), Degenhardt, Horst (2x), Kovacs, Janos (2x), Dzagnidze, Nana (2x), Szczepaniec, Stanislaw (2x)
Ambassadeurs : Uhlmann, Wolfgang (19x), Alburt, Lev (6x), Vogt, Lothar (5x), Moskalenko, Viktor (4x), Mohr, Stefan (4x), Gallagher, Joseph G. (4x), Bednarski, Jacek (3x), Gligoric, Svetozar (3x)
8…Na6 — 14.5% (250 parties)
Ambassadeurs : Ryskin, Alexander (4x), Werner, Bernd-Michael (4x), Horvath, Csaba (4x), Majorovas, Vitalijus (3x), Ubilava, Elizbar (3x), Lugovoi, Aleksei (3x), Farago, Sandor (3x), Van Wely, Loek (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
8…Nbd7
8…a5
8…c6
8…Na6
<1800
31
32%
19%
10%
19%
1800-2200
572
30%
30%
11%
13%
2200-2600
709
31%
16%
22%
20%
2600+
4
75%
—
—
—
Évolution par décennie (% des parties)
Décennie
N parties
8…Nbd7
8…a5
8…c6
8…Na6
1950s
14
50%
—
7%
—
1960s
44
25%
20%
32%
9%
1970s
119
50%
8%
23%
6%
1980s
239
41%
4%
33%
10%
1990s
463
34%
17%
20%
16%
2000s
387
34%
23%
14%
13%
2010s
385
23%
36%
8%
19%
2020s
68
18%
34%
4%
26%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
8…Nbd7
23%
18%
▼ -5.2%
8…a5
36%
34%
▼ -1.8%
8…c6
8%
4%
▼ -3.6%
8…Na6
19%
26%
▲ +7.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Aleksandr — 1 partie Karpov, Anatoly — 1 partie
Parties historiques
8…Nbd7 — 32.9% (565 parties)
1954 — Szabo, Ladislav vs Olafsson, Fridrik — 1-0 — Prague CZE 1954 — Olafsson, Fridrik vs Salo, Tapio — 1-0 — Amsterdam NED 1955 — Kahn, Manfred vs Eising, Johannes — 1/2-1/2 — Zwickau 1958 — Soules, George vs Cross, Robert Gary — 0-1 — Santa Monica, CA USA 1959 — Ives, Ronald Wilson vs Clarke, Michael Robert B — 0-1 — York ENG
8…a5 — 20.7% (355 parties)
1961 — Vesely, Jiri vs Acosta Fabian, Janna Paloma — 1-0 — Kosice 1964 — Lazarev, Efim M. vs Nakonechny, Sergey — 1-0 — Kiev UKR 1964 — Gerusel, Mathias vs Schwenkreis, Thomas — 1/2-1/2 — Ingolstadt 1967 — Bobotsov, Milko G vs Popov, Lazar — 1-0 — Varna BUL 1967 — Haugaard Nielsen, Johannes vs Chardarov D — 0-1 — Harrachov
8…c6 — 17.6% (302 parties)
1958 — Nievergelt, Erwin vs Gereben, Erno — 1/2-1/2 — Arlesheim SMM 1960 — Alster, Ladislav vs Kupka, Slavoj — 1/2-1/2 — Ostrava CZE 1962 — Petrosian, Tigran V. vs Schweber, Samuel — 1-0 — Stockholm SWE 1963 — May, Alan K vs Collins, Richard Arnold — 1-0 — Bognor Regis, Butlins 1963 — Tan, Lian Ann vs Alvarez, Ruben — 1-0 — Vrnjacka Banja SRB
8…Na6 — 14.5% (250 parties)
1965 — Magrin, Antonio vs Rugiadini, Andrea — 0-1 — Firenze ITA 1966 — Ojanen, Kaarle S vs Bednarski, Jacek — 1-0 — Havana CUB 1966 — Ojanen, Kaarle S vs Bednarsky Boguslav — 1-0 — La Habana ol 1968 — Popov, Luben vs Bobotsov, Milko G — 1/2-1/2 — Varna BUL 1971 — Pribyl, Josef vs Pietrusiak, Bogdan — 1/2-1/2 — Havirov CZE
Karpov, Anatoly — 1 partie
1954 — Olafsson, Fridrik vs Salo, Tapio — 1-0 — Amsterdam NED
1955 — Kahn, Manfred vs Eising, Johannes — 1/2-1/2 — Zwickau
1958 — Soules, George vs Cross, Robert Gary — 0-1 — Santa Monica, CA USA
1959 — Ives, Ronald Wilson vs Clarke, Michael Robert B — 0-1 — York ENG
1964 — Lazarev, Efim M. vs Nakonechny, Sergey — 1-0 — Kiev UKR
1964 — Gerusel, Mathias vs Schwenkreis, Thomas — 1/2-1/2 — Ingolstadt
1967 — Bobotsov, Milko G vs Popov, Lazar — 1-0 — Varna BUL
1967 — Haugaard Nielsen, Johannes vs Chardarov D — 0-1 — Harrachov
1960 — Alster, Ladislav vs Kupka, Slavoj — 1/2-1/2 — Ostrava CZE
1962 — Petrosian, Tigran V. vs Schweber, Samuel — 1-0 — Stockholm SWE
1963 — May, Alan K vs Collins, Richard Arnold — 1-0 — Bognor Regis, Butlins
1963 — Tan, Lian Ann vs Alvarez, Ruben — 1-0 — Vrnjacka Banja SRB
1966 — Ojanen, Kaarle S vs Bednarski, Jacek — 1-0 — Havana CUB
1966 — Ojanen, Kaarle S vs Bednarsky Boguslav — 1-0 — La Habana ol
1968 — Popov, Luben vs Bobotsov, Milko G — 1/2-1/2 — Varna BUL
1971 — Pribyl, Josef vs Pietrusiak, Bogdan — 1/2-1/2 — Havirov CZE