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D38e — Ragozin (1938)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.cxd5
Les coups candidats
5…exd5 — 96.9% (7451 parties)
Ambassadeurs : Aleksandrov, Viktor A. (61x), Dizdar, Goran (47x), Inkiov, Ventzislav (41x), Mitkov, Nikola (40x), Sosonko, Gennadi (29x), Alekseev, Evgeny (27x), Hou, Yifan (27x), Kosintseva, Tatiana (25x)
5…Nxd5 — 2.2% (166 parties)
Ambassadeurs : Kruk, Sergey Valentinovich (2x), Naumkin, Igor (2x), Varun AB (2x), Alkan, Tan (1x), Aadhav Saravanan Kanchi (1x), Hort, Vlastimil (1x), Cifuentes, Antonio (1x), Olafsson, Fridrik (1x)
5…Qxd5 — 0.6% (45 parties)
Ambassadeurs : Spasov, Spas (2x), Shamkovich, Leonid (1x), Zilber, Israel (1x), Simagin, Vladimir (1x), Osnos, Viatcheslav (1x), Goodman, David S C (1x), Silva Morales, Marco A. (1x), Woller, Rainer (1x)
5…Bxc3+ — 0.4% (28 parties)
Ambassadeurs : Voss, Alexander (1x), Frisch, Arno (1x), Friedman, Aviv (1x), Song, Paul (1x), Kuligowski, Adam (1x), Glowacki, Andreas (1x), Prior, Marciane (1x), Castro, Natalia De (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…exd5 5…Nxd5 5…Qxd5 5…Bxc3+
<1800 245 88% 9% 2% 1%
1800-2200 1777 95% 3% 1% 1%
2200-2600 4535 99% 1% 0% 0%
2600+ 596 100%
Évolution par décennie (% des parties)
Décennie N parties 5…exd5 5…Nxd5 5…Qxd5 5…Bxc3+
1950s 71 99% 1%
1960s 90 92% 7% 1%
1970s 95 95% 2% 2% 1%
1980s 277 99% 1% 1%
1990s 628 95% 4% 1% 0%
2000s 1447 95% 4% 1% 0%
2010s 3047 97% 2% 1% 0%
2020s 2038 99% 1% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…exd5 97% 99% ▲ +1.9%
5…Nxd5 2% 1% ▼ -1.1%
5…Qxd5 1% 0% ▼ -0.6%
5…Bxc3+ 0% 0% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Kasparov, Garry — 9 parties
Karpov, Anatoly — 5 parties
Ju, Wenjun — 4 parties
Smyslov, Vladimir — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
5…exd5 — 96.9% (7451 parties)
1950 — Pavlov, Mircea-Sergiu-Aurelian vs Ragozin, Viacheslav — 1/2-1/2 — URS-ch sf Kiev UKR
1950 — Kholmov, Ratmir D vs Efimov, Kondrat — 0-1 — SSSR
1951 — Shainswit, George vs Bisguier, Arthur B — 1/2-1/2 — New York, NY USA
1951 — Shamkovich, Leonid vs Taimanov, Mark — 1-0 — Baku AZE
1952 — Yudovich, Mikhail sr vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
5…Nxd5 — 2.2% (166 parties)
1960 — Alkan, Tan vs Aadhav Saravanan Kanchi — 1-0 — Leipzig GER
1961 — Olafsson, Fridrik vs Germek, Milan — 1/2-1/2 — Bled SLO
1961 — Fernandes, Stefany Lopes vs Obregoso — 0-1 — Buenos Aires ch-ARG
1963 — Tejada, Humberto vs Blanco, Rafael — 1-0 — Cucuta
1964 — Horberg, Bengt-Eric vs Goransson, Bo — 1-0 — Goteborg SWE
5…Qxd5 — 0.6% (45 parties)
1953 — Shamkovich, Leonid vs Zilber, Israel — 1-0 — Tournament Riga Latvia
1960 — Simagin, Vladimir vs Osnos, Viatcheslav — 0-1 — Moscow RUS
1970 — Moiseev, Oleg vs Makarichev, Sergey — 1/2-1/2 — Moscow RUS
1973 — Mejzlik, Zdenek vs Safar, Eduard — 1-0 — Bystrice
1980 — Goodman, David S C vs Silva Morales, Marco A. — 1-0 — London ENG
5…Bxc3+ — 0.4% (28 parties)
1974 — Voss, Alexander vs Frisch, Arno — 1-0 — Hamburg GER
1995 — Friedman, Aviv vs Song, Paul — 1-0 — World op Philadelphia, PA USA
1996 — Kuligowski, Adam vs Glowacki, Andreas — 1-0 — ?
1998 — Prior, Marciane vs Castro, Natalia De — 1-0 — Porto Belo U16g
2000 — Appeldorn, Dirk vs Kruse, Ernst-Bruno — 1-0 — ?