C92e - 9…Nd7 - Closed, Karpov Variation (1946)

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C92e — Closed, Karpov Variation (1946)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nd7
Les coups candidats
10.d4 — 91.8% (2184 parties)
Ambassadeurs : Lacroix, Serge (24x), Balashov, Yuri (21x), Ivkov, Borislav (20x), Tal, Mikhail (19x), Sagfjara, Magne (19x), Asturiano Molina, Javier (18x), Geller, Efim P. (17x), Kirchshofer, Ernst (17x)
10.a4 — 3.9% (93 parties)
Ambassadeurs : Miralles, Gilles (3x), Wade, Robert G (2x), Dueckstein, Andreas (2x), Schmid, Lothar (2x), Keres, Paul (2x), Kalme, Charles I (2x), Petrosian, Tigran V. (2x), Fischer, Robert J (2x)
10.d3 — 3.4% (80 parties)
Ambassadeurs : Tseshkovsky, Vitaly (3x), Smagin, Sergey (2x), Nikolac, Juraj (2x), Safarli, Eltaj (2x), Durao, Joaquim (1x), Ben Rehouma, Hachemi (1x), Dely, Peter (1x), Haag, Ervin (1x)
10.Bd5 — 0.7% (17 parties)
Ambassadeurs : Epstein, Esther (1x), Szaday, Laszlone (1x), McDonald, Neil (1x), McKay, Roderick M (1x), Rigo, Janos (1x), Schwarzkopf, Christian (1x), Nistiriuc, Sergei (1x), Fucek, Claudio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.d4 10.a4 10.d3 10.Bd5
<1800 56 93% 4% 2% —
1800-2200 540 90% 5% 4% 1%
2200-2600 1138 93% 3% 4% 0%
2600+ 114 95% 1% 4% —
Évolution par décennie (% des parties)
Décennie N parties 10.d4 10.a4 10.d3 10.Bd5
1950s 94 85% 11% 3% —
1960s 154 85% 12% 3% 1%
1970s 105 90% 6% 4% —
1980s 162 95% 1% 3% 1%
1990s 719 93% 3% 3% 1%
2000s 626 92% 3% 4% 1%
2010s 432 91% 4% 4% 1%
2020s 88 94% 3% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.d4 91% 94% ▲ +3.8%
10.a4 4% 3% ▼ -1.0%
10.d3 4% 2% ▼ -1.7%
10.Bd5 1% 0% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 6 parties
Anand, Viswanathan — 5 parties
Hou, Yifan — 2 parties
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
10.d4 — 91.8% (2184 parties)
1950 — Abiolla James vs Penrose, Jonathan — 1/2-1/2 — London ENG
1950 — Hooper, David vs Bunyola Oliver, Pedro Antonio — 1-0 — Ilford
1950 — Boleslavsky, Isaac vs Smyslov, Vladimir — 1-0 — Moskou ch-URS
1951 — Unzicker, Ferdinand, Dr. vs Aditya Balu Jadhav — 1-0 — Freiberg
1952 — Van den Berg, Carel B vs Penrose, Jonathan — 1/2-1/2 — London ENG
10.a4 — 3.9% (93 parties)
1953 — Milic, Borislav vs Nikolac, Juraj — 1-0 — Zagreb CRO
1956 — Bogdanovic, Rajko vs Vukcevich, Milan — 1-0 — Poland
1958 — Kotkov, Yuri M vs Stolyar, E. — 1/2-1/2 — USSR
1958 — Boleslavsky, Isaac vs Korchnoi, Viktor — 1/2-1/2 — Vilnius LTU
1958 — Brzózka, Stefan vs Weiss, Martin — 0-1 — Munich GER
10.d3 — 3.4% (80 parties)
1952 — Phillips Andrea vs Wade, Robert G — 1-0 — Chester ch-BCF
1959 — Klavans vs Ivanov, Pavlin — 0-1 — Riga LAT
1959 — Simagin, Vladimir vs Bykhovsky, Anatoly A — 1-0 — Moscow RUS
1964 — Bannik, Anatolij vs Averbakh, Yuri L — 1/2-1/2 — Kiev ch-URS
1966 — Dely, Peter vs Haag, Ervin — 1-0 — Budapest HUN
10.Bd5 — 0.7% (17 parties)
1968 — Epstein, Esther vs Szaday, Laszlone — 1-0 — Soviet Union
1988 — McDonald, Neil vs McKay, Roderick M — 1/2-1/2 — England
1988 — Rigo, Janos vs Schwarzkopf, Christian — 1-0 — Dortmund open
1991 — Comp Exclusive vs Sofrygin, Alexey — 0-1 — Budapest open
1992 — Nistiriuc, Sergei vs Fucek, Claudio — 0-1 — Duisburg Wch U12m