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D38m — Ragozin (1923)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 h6 6.Bxf6 Qxf6
Les coups candidats
Ambassadeurs : Salzmann, Stefan (32x), Langer, Raimund (20x), Grebenshchikov, Aleksandr Petrovich (17x), Sosonko, Gennadi (16x), Mitkov, Nikola (16x), Dizdar, Goran (15x), Lombart, Philippe (14x), Legemaat, Gert (14x)
7.Qa4+ — 20.3% (1069 parties)
Ambassadeurs : Yu, Yangyi (14x), Sargissian, Gabriel (9x), Wojtaszek, Radoslaw (8x), Korobov, Dmitry A. (8x), Brkic, Aleksandar (7x), Morcin, Tom (7x), Movsesian, Sergei (7x), Aronian, Levon (6x)
7.Qb3 — 11.2% (587 parties)
Ambassadeurs : Xu, Yi (10x), Mitkov, Nikola (6x), Mungunzul, Bat-Erdene (5x), Szilagyi, Gyorgy Laszlo (4x), Ju, Wenjun (4x), Li, Di (4x), Palac, Mladen (4x), Rabar, Braslav (3x)
Ambassadeurs : Malich, Burkhard, Dr. (5x), Padevsky, Nikola (4x), Averbakh, Yuri L (3x), Langeweg, Kick (3x), Cruz-Lopez Claret, Carlos (3x), Filip, Miroslav (2x), Szilagyi, Gyorgy Laszlo (2x), Aadhitha Karikalan (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 185 70% 12% 8% 4%
1800-2200 1453 69% 17% 8% 3%
2200-2600 2800 58% 22% 13% 4%
2600+ 489 56% 30% 11% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.e3 7.Qa4+ 7.Qb3 7.cxd5
1950s 60 17% 23% 32% 22%
1960s 29 28% 17% 14% 31%
1970s 53 42% 15% 11% 25%
1980s 173 61% 5% 14% 10%
1990s 340 58% 12% 14% 8%
2000s 618 61% 8% 17% 8%
2010s 2031 62% 23% 10% 2%
2020s 1953 64% 24% 9% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.e3 62% 64% ▲ +1.4%
7.Qa4+ 23% 24% ▲ +1.1%
7.Qb3 10% 9% ▼ -0.9%
7.cxd5 2% 1% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 10 parties
Anand, Viswanathan — 10 parties
Ding, Liren — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 9 parties
Tal, Mikhail — 8 parties
Carlsen, Magnus — 8 parties
Karpov, Anatoly — 6 parties
Kramnik, Vladimir — 5 parties
Kasparov, Garry — 2 parties
Parties historiques
7.e3 — 61.5% (3233 parties)
1950 — Pirc, Vasja vs Fuderer, Andrija — 1/2-1/2 — Bled SLO
1954 — Cherepkov, Alexander V vs Estrin, Yakov — 1-0 — Leningrad master
1954 — Larsen, Bent vs Kolvig, Bent — 1-0 — KSU-SAS m
1954 — Chestnov, Vitaliy A. vs Estrin, Yakov — 1/2-1/2 — Leningrad ch22-SU sf
1954 — Chestnov, Vitaliy A. vs Efimov, Kondrat — 1-0 — Leningrad ch22-SU sf
7.Qa4+ — 20.3% (1069 parties)
1950 — Beilin, Mikhail vs Lipnitsky, Isaac — 0-1 — ?
1950 — Araiza Munoz, Jose Joaquin vs Lasker, Edward — 0-1 — Mexico City MEX
1950 — Beilin, Mikhail vs Lipnitzky, I. — 0-1 — ?
1950 — Beilin, Mikhail vs Lipnitsky, Isaac — 0-1 — Riga LAT
1951 — Ali Bilfaqih vs Warburton, Charles — 0-1 — cr.
7.Qb3 — 11.2% (587 parties)
1950 — Bosch van Rosenthal, Edzard vs Rabar, Braslav — 0-1 — ?
1950 — Gawliczek, Andreas vs Bondarevsky, Igor — 0-1 — Szczawno Zdroj
1950 — Gawliczek, Andreas vs Bondarevsky, Igor — 0-1 — Szczawno Zdroj POL
1950 — Franklin Kagoni vs Lipnitsky, Isaac — 0-1 — Kiev UKR
1952 — Bolbochan, Julio vs Rabar, Braslav — 1/2-1/2 — Rio de Janeiro BRA
7.cxd5 — 3.9% (204 parties)
1950 — Benko, Pal vs Gereben, Erno — 1/2-1/2 — Budapest HUN
1952 — Trifunovic, Petar vs Gligorić, Svetozar — 1/2-1/2 — Belgrade SRB
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