C92e - 9…Nd7 - Closed Karpov Variation

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C92e — Closed Karpov Variation
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
Eval: [+0.66]
Les coups candidats
10.d4 — 91.6% (2189 parties)
Ambassadeurs : Lacroix, Serge (23x), Ivkov, Borislav (20x), Varavin, Viktor (20x), Balashov, Yuri (20x), Tal, Mikhail (19x), Miguel Tomas Pedro Jose (19x), Sagfjara, Magne (19x), Geller, Efim P. (18x)
10.a4 — 3.9% (93 parties)
Ambassadeurs : Keres, Paul (3x), Wade, Robert G (2x), Dueckstein, Andreas (2x), Petrosian, Tigran V. (2x), Kalme, Charles I (2x), Schmid, Leo (2x), Latorre Miralles, Gerard (2x), Ramos, Ernesto (2x)
10.d3 — 3.6% (85 parties)
Ambassadeurs : Simagin, Vladimir (3x), Tseshkovsky, Vitaly (3x), Averbakh, Yuri L (2x), Nikolac, Juraj (2x), Solovjov, Sergey I. (2x), Payen, Arnaud (2x), Chomet, Pascal (2x), Safarli, Elmir (2x)
10.Bd5 — 0.7% (17 parties)
Ambassadeurs : Epstein, Esther (1x), Szaday, Laszlone (1x), McDonald, Neil (1x), McKay, Roderick M (1x), Jimenez Rigo, Joan (1x), Schwarzkopf, Christian (1x), Roehl, Rainer (1x), Bauer, Norbert (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 22 95% 5% — —
1800-2200 388 90% 4% 4% 1%
2200-2600 1169 92% 3% 4% 1%
2600+ 125 94% 1% 5% —
Évolution par décennie (% des parties)
Décennie N parties 10.d4 10.a4 10.d3 10.Bd5
1940s 44 82% 2% 14% —
1950s 95 85% 11% 3% —
1960s 154 85% 12% 3% 1%
1970s 104 90% 6% 4% —
1980s 160 95% 1% 3% 1%
1990s 712 93% 3% 3% 1%
2000s 625 92% 3% 4% 1%
2010s 425 91% 4% 4% 1%
2020s 72 94% 3% 3% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.d4 91% 94% ▲ +3.9%
10.a4 4% 3% ▼ -1.7%
10.d3 4% 3% ▼ -1.0%
10.Bd5 1% 0% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Smyslov, Vladimir — 8 parties
Anand, Viswanathan — 5 parties
Karpov, Aleksandr — 4 parties
Kasparov, Garry — 4 parties
Botvinnik, Mikhail — 2 parties
Hou, Yifan — 2 parties
Parties historiques
10.d4 — 91.6% (2189 parties)
1943 — Yudovich, Mikhail M vs Smyslov, Vasily — 1/2-1/2 — Moscow RUS
1944 — Bronstein, David I vs Alatortsev, Vladimir N. — 0-1 — Moskou ch-URS
1945 — Lilienthal, Andor vs Ragozin, Viacheslav — 1-0 — Moskou ch-URS
1946 — Boleslavsky, Isaac vs Flohr, Salo — 1/2-1/2 — Groningen NED
1946 — Skold, Kristian vs Stoltz, Gosta — 0-1 — Stockholm SWE
10.a4 — 3.9% (93 parties)
1948 — Steiner, Lajos vs Gligorić, Svetozar — 1-0 — Saltsjobaden SWE
1953 — Milic, Borislav vs Nikolac, Juraj — 1-0 — Zagreb CRO
1956 — Bogdanovic, Rajko vs Vukcevic, Branimir — 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
10.d3 — 3.6% (85 parties)
1944 — Averbakh, Yuri L vs Lilienthal, Andor — 1-0 — RUS Ivanovo
1946 — Simagin, Vladimir vs Ravinsky, Grigory — 1-0 — Moscow RUS
1946 — Boleslavsky, Isaac vs Botvinnik, Mikhail — 0-1 — Groningen NED
1946 — Simagin, Vladimir vs Tolush, Alexander V — 1/2-1/2 — Leningrad RUS
1948 — Skold, Kristian vs Kiuru, V. — 1/2-1/2 — Saltsjobaden SWE
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 — Jimenez Rigo, Joan vs Schwarzkopf, Christian — 1-0 — Dortmund open
1991 — Comp Exclusive vs Sofrygin, Alexey — 0-1 — Budapest open
1992 — Roehl, Rainer vs Bauer, Norbert — 1/2-1/2 — Mecklenburg VP