Ambassadeurs : Wedberg, Tom (17x), Epishin, Vladimir (14x), Parkanyi, Attila (13x), Degterev, Pavel (13x), Berelowitsch, Alexander (11x), Palkovi, Jozsef (10x), Cramling, Pia (10x), Topalov, Veselin (9x)
8…a6 — 7.5% (449 parties)
Ambassadeurs : Piscopo, Pierluigi (10x), Wojtaszek, Radoslaw (6x), Chiku-Ratte, Olivier-Kenta (6x), Martin Gonzalez, Angel (5x), Indjic, Aleksandar (4x), Kahl, Fred (4x), Rodi, Luis Ernesto (3x), Gonzalez Vidal, Yuri (3x)
8…Nbd7 — 0.4% (25 parties)
Ambassadeurs : Gauthier, Denis (3x), Chiku-Ratte, Olivier-Kenta (3x), Andres Gonzalez, Alberto (1x), Arguelles Garcia, Pablo (1x), Bellaiche, Anthony (1x), Guklis, Paulius (1x), Corti, Horacio (1x), Lara Salas, Johnny G (1x)
8…Qe7 — 0.1% (7 parties)
Ambassadeurs : Ortega, Lexy (1x), Sansonetti, Giorgio (1x), Kubik, Janos (1x), Schmidt, Gabor (1x), Komissarov, Stanislav (1x), Kim, Timur (1x), Nenciulescu, Silviu (1x), Ermolaev, Andrey (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
8…O-O
8…a6
8…Nbd7
8…Qe7
<1800
243
86%
11%
1%
0%
1800-2200
2237
93%
7%
0%
0%
2200-2600
2973
91%
8%
0%
0%
2600+
92
92%
8%
—
—
Évolution par décennie (% des parties)
Décennie
N parties
8…O-O
8…a6
8…Nbd7
8…Qe7
1950s
3
100%
—
—
—
1960s
4
100%
—
—
—
1970s
2
100%
—
—
—
1980s
70
97%
3%
—
—
1990s
1134
96%
3%
0%
0%
2000s
2051
93%
6%
0%
0%
2010s
2161
87%
12%
1%
0%
2020s
552
94%
5%
1%
—
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
8…O-O
87%
94%
▲ +7.6%
8…a6
12%
5%
▼ -7.5%
8…Nbd7
1%
1%
+0.1%
8…Qe7
0%
0%
-0.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties Kramnik, Vladimir — 4 parties Hou, Yifan — 3 parties Anand, Viswanathan — 1 partie Carlsen, Magnus — 1 partie
Parties historiques
8…O-O — 91.7% (5482 parties)
1957 — Rapaka Samuel Paul vs Feuerstein, Arthur — 1/2-1/2 — New York, NY USA 1957 — Bisguier, Arthur B vs Feuerstein, Arthur — 1/2-1/2 — New York, NY USA 1959 — Jakir Hussain vs Gaprindashvili, Nona — 1-0 — USSR ch wmn 1962 — Minev, Nikolay N vs Popov, Luben — 1/2-1/2 — Sofia BUL 1968 — Anndy, Barnard Costa vs Bicknell, Donald — 0-1 — West Covina, CA
8…a6 — 7.5% (449 parties)
1989 — Khalifman, Alexander vs Yudasin, Leonid — 1/2-1/2 — Leningrad RUS 1989 — Khalifman, Alexander vs Yudasin, Leonid — 1/2-1/2 — Leningrad sept 1990 — Legky, Nikolay A vs Mora, Virginie — 1-0 — Orange op 1990 — Den Boer, Ber vs Boudre, Jean-Pierre — 1-0 — Antwerp BEL 1990 — Priehoda, Vitezslav vs Boettcher, Patrick — 1-0 — Wattens
8…Nbd7 — 0.4% (25 parties)
1997 — Andres Gonzalez, Alberto vs Arguelles Garcia, Pablo — 1-0 — Asturias 1998 — Bellaiche, Anthony vs Guklis, Paulius — 1-0 — Wch U12 Disney 2000 — Corti, Horacio vs Lara Salas, Johnny G — 1-0 — CADAP 2002 — Galopoulos, Panagiotis vs Chomatidis, P. — 0-1 — Greece 2007 — Salem, A.R. Saleh vs Gopal G.N. — 1-0 — Abudhabi UAE
8…Qe7 — 0.1% (7 parties)
1991 — Ortega, Lexy vs Sansonetti, Giorgio — 1-0 — Bolzano op 2001 — Kubik, Janos vs Schmidt, Gabor — 0-1 — Gyongyos 2006 — Nenciulescu, Silviu vs Ermolaev, Andrey — 1-0 — LSS 2008 — Komissarov, Stanislav vs Kim, Timur — 1-0 — Moscow RUS 2015 — Koval, Vyacheslav vs Kögeler, Aart — 1-0 — ICCF
Kramnik, Vladimir — 4 parties
Hou, Yifan — 3 parties
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
1957 — Bisguier, Arthur B vs Feuerstein, Arthur — 1/2-1/2 — New York, NY USA
1959 — Jakir Hussain vs Gaprindashvili, Nona — 1-0 — USSR ch wmn
1962 — Minev, Nikolay N vs Popov, Luben — 1/2-1/2 — Sofia BUL
1968 — Anndy, Barnard Costa vs Bicknell, Donald — 0-1 — West Covina, CA
1989 — Khalifman, Alexander vs Yudasin, Leonid — 1/2-1/2 — Leningrad sept
1990 — Legky, Nikolay A vs Mora, Virginie — 1-0 — Orange op
1990 — Den Boer, Ber vs Boudre, Jean-Pierre — 1-0 — Antwerp BEL
1990 — Priehoda, Vitezslav vs Boettcher, Patrick — 1-0 — Wattens
1998 — Bellaiche, Anthony vs Guklis, Paulius — 1-0 — Wch U12 Disney
2000 — Corti, Horacio vs Lara Salas, Johnny G — 1-0 — CADAP
2002 — Galopoulos, Panagiotis vs Chomatidis, P. — 0-1 — Greece
2007 — Salem, A.R. Saleh vs Gopal G.N. — 1-0 — Abudhabi UAE
2001 — Kubik, Janos vs Schmidt, Gabor — 0-1 — Gyongyos
2006 — Nenciulescu, Silviu vs Ermolaev, Andrey — 1-0 — LSS
2008 — Komissarov, Stanislav vs Kim, Timur — 1-0 — Moscow RUS
2015 — Koval, Vyacheslav vs Kögeler, Aart — 1-0 — ICCF