D79a - 7…cxd5 (1965)

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D79a —
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.cxd5 cxd5
Les coups candidats
Ambassadeurs : Uhlmann, Wolfgang (19x), Abramovic, Bosko (17x), Gutman, Lev (15x), Donner, Jan-Hein (13x), Schmidt, Wlodzimierz (9x), Sepp, Olav (9x), Anay Barche (7x), Smejkal, Jan (7x)
Ambassadeurs : Uhlmann, Wolfgang (11x), Yandemirov, Valeri (9x), Nikolic, Predrag (9x), Kirov, Nino (8x), Maghalashvili, Davit (8x), Bai, Adelard (7x), Ren, Aaron Song (7x), Andersson, Ulf (6x)
8.Qb3 — 0.8% (56 parties)
Ambassadeurs : Scheipl, Ralf (1x), Schlosser, Hans (1x), Borisova, Borislava (1x), Dragasevic, Antonina (1x), Diego Alejandro Castro Ponce (1x), Martinez, Federico (1x), Rocha, Sergio (1x), Pereira, Alvaro (1x)
8.Bf4 — 0.6% (39 parties)
Ambassadeurs : Pruefer, Friedbert, Prof. Dr. (2x), Schroeder, Hannes (1x), Delander, Adolf (1x), Witkowski, Stefan (1x), Sartori, Spartaco (1x), Knaak, Rainer (1x), Schoeneberg, Manfred (1x), Osnos, Viatcheslav (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Nc3 8.Ne5 8.Qb3 8.Bf4
<1800 329 77% 19% 2% 2%
1800-2200 2581 73% 25% 1% 1%
2200-2600 3201 61% 39% 0% 0%
2600+ 208 57% 43% — 0%
Évolution par décennie (% des parties)
Décennie N parties 8.Nc3 8.Ne5 8.Qb3 8.Bf4
1950s 66 92% 8% — —
1960s 118 82% 16% — 1%
1970s 194 70% 29% 1% 1%
1980s 341 60% 39% 1% 1%
1990s 1039 65% 34% 1% 0%
2000s 1413 66% 32% 1% 0%
2010s 2469 70% 28% 1% 1%
2020s 1281 66% 33% 0% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Nc3 70% 66% ▼ -3.7%
8.Ne5 28% 33% ▲ +5.0%
8.Qb3 1% 0% ▼ -0.7%
8.Bf4 1% 1% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 6 parties
Ju, Wenjun — 5 parties
Ding, Liren — 4 parties
Gukesh D — 4 parties
Botvinnik, Mikhail — 3 parties
Anand, Viswanathan — 3 parties
Kasparov, Garry — 2 parties
Hou, Yifan — 2 parties
Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8.Nc3 — 67.3% (4661 parties)
1950 — Kramer, Haije vs Stumpers, Louis — 1-0 — Amsterdam ch-NED
1950 — Beilin, Mikhail vs Soloviev, Aleksander — 1/2-1/2 — Moscow RUS
1950 — Vidmar, Milan Sr vs Helle, Soini — 1/2-1/2 — Dubrovnik olm
1950 — Book, Eero vs Nestler, Vincenzo — 1-0 — Dubrovnik olm
1950 — Cortlever, Nico vs Barendregt, Johan — 1-0 — NLD-ch Amsterdam NED
8.Ne5 — 30.9% (2139 parties)
1950 — Donner, Jan-Hein vs Hein-Trifunovic, Petar — 1/2-1/2 — Amsterdam NED
1952 — Lipnitsky, Isaac vs Borisenko, Georgy K — 1-0 — URS-ch sf Minsk BLR
1955 — Panno, Oscar vs Filip, Miroslav — 1/2-1/2 — Goteborg izt
1956 — Laustsen, A. vs Bergraser, Volf — 0-1 — corr Wch2
1959 — Soos, Bela vs Kholmov, Ratmir D — 1/2-1/2 — Balatonfured
8.Qb3 — 0.8% (56 parties)
1979 — Scheipl, Ralf vs Schlosser, Hans — 1/2-1/2 — Passau
1983 — Diego Alejandro Castro Ponce vs Martinez, Federico — 1/2-1/2 — ?
1988 — Borisova, Borislava vs Dragasevic, Antonina — 1/2-1/2 — Dortmund GER
1993 — Mihalyfi, Gabor vs Danko, Ivan — 1/2-1/2 — Hungary 2 tt
1994 — Rocha, Sergio vs Pereira, Alvaro — 1/2-1/2 — Mestres
8.Bf4 — 0.6% (39 parties)
1965 — Schroeder, Hannes vs Delander, Adolf — 1/2-1/2 — Kiel GER
1971 — Hartoch, Robert G vs Schaufelberger, Heinz — 1/2-1/2 — Birseck
1972 — Knaak, Rainer vs Schoeneberg, Manfred — 1/2-1/2 — Olomouc CZE
1980 — Witkowski, Stefan vs Sartori, Spartaco — 1-0 — Venice ITA
1984 — Osnos, Viatcheslav vs Kochyev, Alexander — 1/2-1/2 — Sverdlovsk