E25c - 7…Nxd5 8.Qd3 - Saemisch (1954)

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E25c — Saemisch
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5 8.Qd3
Les coups candidats
8…b6 — 38.3% (152 parties)
Ambassadeurs : Shirov, Alexei (8x), Zubac, Marius (5x), Novoa, Ruben Fernando (4x), Aaltio, Erkki (3x), Kilpi, Teemu (3x), Korchnoi, Viktor (3x), Miton, Kamil (3x), Meessen, Rudolf (3x)
8…cxd4 — 32.0% (127 parties)
Ambassadeurs : Schreiber, Hanna (5x), Shirov, Alexei (5x), Liardet, Fabrice (4x), Berliner, Hans (3x), Renet, Olivier (3x), Gipslis, Aivars (3x), Sliwa, Bogdan (2x), Lawrence, Jeffrey A (2x)
8…O-O — 19.9% (79 parties)
Ambassadeurs : Shirov, Alexei (8x), Timman, Jan H (4x), Khenkin, Igor (3x), Penalver, Osmani (3x), Churkin, Mikhail Mikhailovich (3x), Yakovich, Yuliya (2x), Lutz, Christopher (2x), Gurevich, Mikhail (2x)
8…Nc6 — 8.3% (33 parties)
Ambassadeurs : Wade, Robert G (2x), Clemens, Christian, Dr. (1x), Kuijpers, Frans (1x), Ligterink, Gert (1x), Ristoja, Thomas W. (1x), Luginbuhl, Erwin (1x), Luginbuhl (1x), Kopilov, Nikolay Georgiyevich (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…b6 8…cxd4 8…O-O 8…Nc6
<1800 6 50% 33% 17% —
1800-2200 89 51% 26% 12% 10%
2200-2600 197 38% 29% 26% 7%
2600+ 14 57% — 43% —
Évolution par décennie (% des parties)
Décennie N parties 8…b6 8…cxd4 8…O-O 8…Nc6
1950s 8 — 50% 12% 38%
1960s 34 12% 59% 9% 18%
1970s 12 8% 75% 17% —
1980s 15 — 87% 7% —
1990s 144 40% 30% 25% 6%
2000s 117 57% 21% 12% 8%
2010s 59 34% 24% 29% 12%
2020s 8 38% — 62% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…b6 34% 38% ▲ +3.6%
8…cxd4 24% 0% ▼ -23.7%
8…O-O 29% 62% ▲ +33.7%
8…Nc6 12% 0% ▼ -11.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Aleksandr — 2 parties
Karpov, Anatoly — 1 partie
Parties historiques
8…b6 — 38.3% (152 parties)
1961 — Luik, Helmuth vs Arulaid, Alexander — 0-1 — Estonia
1961 — Rubinetti, Jorge vs Nagy, Bela — 1/2-1/2 — The Hague NED
1962 — John Lawrence Santos vs Bernhardt, Rolf — 1/2-1/2 — Zurich SUI
1964 — Keller, Dieter vs Unzicker, Wolfgang — 1/2-1/2 — Lenzerheide
1975 — Auerswald, Uwe vs Pietruske, Siegfried — 0-1 — ?
8…cxd4 — 32.0% (127 parties)
1954 — Berliner, Hans vs Mengarini, Ariel — 1/2-1/2 — New York, NY USA
1956 — Berliner, Hans vs Anderson, Frank Ross — 0-1 — Montreal ch-CAN open
1956 — Berliner, Hans vs Anderson Anderson, Jose Guillermo — 0-1 — Montreal CAN
1959 — Hadjipetrov, Alexander vs Kolarov, Atanas S. — 0-1 — BUL-ch Sofia BUL
1960 — Sliwa, Bogdan vs Kluger, Gyula — 0-1 — Balatonfured it
8…O-O — 19.9% (79 parties)
1959 — Weinstein, Raymond vs Denker, Arnold S — 1-0 — New York, NY USA
1961 — Barden, Leonard vs EDWARDS RYO — 0-1 — London ENG
1961 — Osbun, Erik vs Loftsson, Julius H — 1/2-1/2 — Hamilton Air Force Base
1966 — Taimanov, Mark vs Hamann, Svend — 1-0 — Kislovodsk
1974 — Partos, Charles vs Farago, Ivan — 0-1 — Bucharest ROU
8…Nc6 — 8.3% (33 parties)
1958 — Kopilov, Nikolay Georgiyevich vs Maslov, Leonid P — 1-0 — Vilnius LTU
1959 — Clemens, Christian, Dr. vs Kuijpers, Frans — 1-0 — Muenchenstein/Basel
1959 — Sherwin, James T vs Wang, Arthur D — 1-0 — Omaha
1960 — Purdy, Cecil J S vs Sarapu, Ortvin — 1-0 — Adelaide AUS
1961 — Sliwa, Bogdan vs Kostro, Jerzy — 1-0 — Katowice ch18-POL