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D38m — Ragozin
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 h6 6.Bxf6 Qxf6
Eval: [+0.21]
Les coups candidats
Ambassadeurs : Salzmann, Stefan (30x), Langer, Raimund (20x), Ruck, Robert (20x), Kudr, Roman (19x), Sosonko, Gennadi (17x), Grebenshchikov, Aleksandr Petrovich (17x), Lombart, Philippe (16x), Mitkov, Nikola (14x)
7.Qa4+ — 20.2% (1016 parties)
Ambassadeurs : Yu, Yangyi (12x), Sargissian, Gabriel (10x), Burmeister, Ferdinand (8x), Aronian, Levon (7x), Mitkov, Nikola (7x), Korobov, Anton (7x), Movsesian, Sergei (7x), Goryachkina, Aleksandra (7x)
7.Qb3 — 11.5% (576 parties)
Ambassadeurs : Xu, Yi (10x), Khenkin, Igor (7x), Aleksandrov Ivanchev, Aleksandar (6x), Sosonko, Gennadi (5x), ? (5x), Ragozin, Viacheslav (4x), Szilagyi, Gyorgy Laszlo (4x), Serper, Grigory (4x)
Ambassadeurs : Malich, Burkhard, Dr. (5x), Padevsky, Nikola (4x), Averbakh, Yuri L (3x), Langeweg, Kick (3x), Cruz-Lopez Claret, Carlos (3x), Filip, Marius Liviu (2x), Szilagyi, Gyorgy Laszlo (2x), Pachman, Ludek (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.e3 7.Qa4+ 7.Qb3 7.cxd5
<1800 70 69% 11% 10% 6%
1800-2200 1040 70% 16% 8% 3%
2200-2600 2965 59% 21% 12% 4%
2600+ 530 57% 29% 12% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.e3 7.Qa4+ 7.Qb3 7.cxd5
1920s 12 25% 8% 58%
1930s 6 17% 33% 50%
1940s 16 31% 12% 50% 6%
1950s 59 17% 24% 31% 22%
1960s 29 28% 17% 14% 31%
1970s 54 41% 15% 13% 24%
1980s 171 61% 5% 13% 11%
1990s 338 59% 12% 14% 8%
2000s 616 61% 8% 17% 8%
2010s 2023 62% 23% 10% 2%
2020s 1702 64% 24% 9% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.e3 62% 64% ▲ +1.5%
7.Qa4+ 23% 24% ▲ +1.3%
7.Qb3 10% 9% ▼ -1.0%
7.cxd5 2% 1% ▼ -1.3%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Anand, Viswanathan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 9 parties
Tal, Mikhail — 8 parties
Carlsen, Magnus — 8 parties
Karpov, Anatoly — 5 parties
Kramnik, Vladimir — 5 parties
Alekhine, Alexander — 2 parties
Karpov, Aleksandr — 2 parties
Kasparov, Garry — 2 parties
Parties historiques
7.e3 — 61.2% (3077 parties)
1924 — Morrison, John Stuart vs Ramirez Ritchie, Rafael Es — 1-0 — Hamilton
1925 — Michel, Walter vs Alekhine, Alexander — 1-0 — Basel sim Basel SUI
1925 — De La Torre Huertas, Carlos vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — Marienbad CZE
1939 — Pirc, Vasja vs Kostic, Boris — 1/2-1/2 — Yugoslavia
1944 — Stulik, Vlastimil vs Tikovsky, G. — 0-1 — Olomouc CZE
7.Qa4+ — 20.2% (1016 parties)
1923 — Lasker, E. vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — Verenigde Staten m ch-USA
1937 — ? vs Oskam, Gerard — 1-0 — NED
1938 — Tchistoganoff vs Anglares, Emille — 1-0 — Paris FRA
1942 — Stahlberg, Gideon vs Graf, Sascha — 1-0 — Mar del Plata ARG
1949 — Ivkov, Borislav vs Kostic, Boris — 1/2-1/2 — Zagreb CRO
7.Qb3 — 11.5% (576 parties)
1923 — Hodges, Albert vs Lasker, Edward — 0-1 — Lake Hopatcong
1925 — Bogoljubow, Efim vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — Moscow RUS
1927 — Alekhine, Alexander vs Marshall Viele, Fabrizio Aaron — 1-0 — New York, NY USA
1929 — Andrade Fish, Evan vs Abrahams Gordon, Francisco Tomas — 0-1 — England
1929 — ? vs Abrahams, Gerald — 0-1 — Liverpool
7.cxd5 — 4.0% (199 parties)
1949 — Vukovic, Sava vs Fuderer, Andrija — 1/2-1/2 — Zagreb ch YUG
1950 — Benko, Pal vs Gereben, Erno — 1/2-1/2 — Budapest HUN
1952 — Pachman, Ludek vs Averbakh, Yuri L — 1/2-1/2 — Saltsjobaden SWE
1952 — Cobo Arteaga, Eldis vs Rossetto, Hector — 0-1 — Helsinki olm
1952 — Pachman, Ludek vs Averbakh, Yuri L — 1/2-1/2 — Saltsjobaden SWE