C92f - 9…Nd7 10.d4 Bf6 - Closed, Karpov Variation (1944)

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C92f — Closed, Karpov Variation (1944)
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 10.d4 Bf6
Les coups candidats
Ambassadeurs : Sagfjara, Magne (19x), Krahl, Wolfgang (18x), Asturiano Molina, Javier (18x), Kirchshofer, Ernst (17x), Nikolichev, Aleksandr A (17x), Stobbe, Arthur J (16x), Miguel, Tomas (16x), Bolduc, Steve (14x)
11.Be3 — 18.5% (302 parties)
Ambassadeurs : Nickoloff, Bryon (5x), Ravi, Thandalam Shanmugam (5x), Smagin, Sergey (4x), Lengyel, Levente (3x), Razuvaev, Yuri S (3x), Popovic, Petar (3x), Kruppa, Yuri (3x), Westerinen, Heikki M.J. (3x)
11.d5 — 11.5% (187 parties)
Ambassadeurs : Goltseva, Ekaterina (6x), Lengyel, Levente (3x), Frolov, Artur (3x), Thornally, Frank (3x), Kovalev, Sergey Vl (3x), Aseev, Konstantin N (2x), Shamkovich, Leonid (2x), Arencibia Rodriguez, Walter (2x)
11.Bd5 — 1.9% (31 parties)
Ambassadeurs : Ruiz Castillo, Joshua Daniel (2x), Dely, Peter (1x), ? (1x), Robatsch, Karl (1x), Cuijpers, Frans Andre (1x), Damjanovic, Mato (1x), Portisch, Lajos (1x), Broden, Per (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11.a4 11.Be3 11.d5 11.Bd5
<1800 40 72% 12% 8% —
1800-2200 365 52% 24% 18% 2%
2200-2600 796 65% 20% 11% 1%
2600+ 81 77% 10% 6% 2%
Évolution par décennie (% des parties)
Décennie N parties 11.a4 11.Be3 11.d5 11.Bd5
1950s 40 70% 10% 5% 2%
1960s 70 66% 16% 4% 7%
1970s 51 61% 22% 10% 6%
1980s 96 57% 28% 10% 2%
1990s 559 75% 16% 6% 1%
2000s 469 61% 21% 14% 1%
2010s 285 54% 17% 19% 2%
2020s 59 49% 22% 17% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11.a4 54% 49% ▼ -4.5%
11.Be3 17% 22% ▲ +4.8%
11.d5 19% 17% ▼ -2.0%
11.Bd5 2% 5% ▲ +2.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 6 parties
Anand, Viswanathan — 4 parties
Hou, Yifan — 2 parties
Smyslov, Vladimir — 1 partie
Parties historiques
11.a4 — 64.2% (1046 parties)
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
1953 — Rabar, Braslav vs Nikolac, Juraj — 1/2-1/2 — Zagreb CRO
1953 — Unzicker, Ferdinand, Dr. vs Nikolac, Juraj — 1/2-1/2 — Opatija
11.Be3 — 18.5% (302 parties)
1953 — Vasiukov, Evgeni vs Eliozishvili, O. — 1-0 — Leningrad RUS
1956 — Benitez Rodriguez, Carlos vs Walsh, James — 1-0 — Moscow RUS
1956 — Reissman, Paul vs Grogan, Richard — 1/2-1/2 — Moscow RUS
1959 — Grabczewski, Romuald vs Henneberke, Frans — 1-0 — Warsaw POL
1963 — Simagin, Vladimir vs Barda, Olaf — 1-0 — Ragozin mem 6366
11.d5 — 11.5% (187 parties)
1950 — Abiolla James vs Penrose, Jonathan — 1/2-1/2 — London ENG
1953 — Balandin, G. vs Shifrin, Mark — 1-0 — Kharkov UKR
1966 — Vasiukov, Evgeni vs Smyslov, Vasily — 1-0 — Tbilisi ch-URS
1968 — Gaprindashvili, Nona vs Kushnir, Alla — 1-0 — Riga LAT
1968 — Gufeld, Eduard vs Lengyel, Levente — 1-0 — Kecskemet Kecskemet HUN
11.Bd5 — 1.9% (31 parties)
1955 — Broden, Per vs Johannsson, Ingi R — 1/2-1/2 — Antwerp BEL
1964 — Blackstone, John vs Bourke, Alan — 1/2-1/2 — No. CA
1965 — Damjanovic, Mato vs Portisch, Lajos — 1/2-1/2 — Zagreb CRO
1965 — Bronstein, David I vs Keres, Paul Petrovich — 1/2-1/2 — Tallinn EST
1966 — Dely, Peter vs ? — 1/2-1/2 — Sombor