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D38d — Ragozin (1949)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Qa4+ Nc6 6.cxd5 exd5 7.Bg5
Les coups candidats
7…h6 — 80.9% (575 parties)
Ambassadeurs : Dizdar, Goran (10x), Pogorelov, Ruslan (7x), Jobava, Baadur (7x), Peek, Marcel (6x), Aleksandrov, Viktor A. (6x), Kunin, Vitaly (5x), Chatalbashev, Boris (5x), Huss, Andreas (5x)
7…O-O — 13.1% (93 parties)
Ambassadeurs : Kuzmin, Gennadi (2x), Sahovic, Dragutin (2x), Rossetto, Hector (1x), Lengyel, Levente (1x), Shainswit, George (1x), Bisguier, Arthur B (1x), De Carbonnel, Heinz (1x), Brito Ramirez, Enghel Gabriel (1x)
7…Qd6 — 3.1% (22 parties)
Ambassadeurs : Donner, Jan-Hein (2x), Heinbuch, Daria (1x), Pachman, Ludek (1x), Platonov, Igor V (1x), Kurass, Yacov (1x), Shkola, Vladislav I (1x), Ruderfer, Mark B (1x), Van der Sterren, Paul (1x)
7…Bd7 — 2.5% (18 parties)
Ambassadeurs : Marchukov, Aleksandr (1x), Tabakov, Andrey Andr (1x), Von Rein, Guenter (1x), Misove, Pavel (1x), Terentiev, Vitaly (1x), Ryzhkov, Yury Sr (1x), Lang, Torsten (1x), Schmitt, Andre (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…h6 7…O-O 7…Qd6 7…Bd7
<1800 14 57% 21% — 21%
1800-2200 125 64% 24% 6% 5%
2200-2600 482 87% 10% 2% 1%
2600+ 57 96% 4% — —
Évolution par décennie (% des parties)
Décennie N parties 7…h6 7…O-O 7…Qd6 7…Bd7
1950s 9 78% 22% — —
1960s 10 30% 30% 30% 10%
1970s 17 65% 24% 6% 6%
1980s 21 86% 14% — —
1990s 83 75% 14% 5% 5%
2000s 99 85% 8% 3% 4%
2010s 289 81% 13% 3% 2%
2020s 183 85% 12% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…h6 81% 85% ▲ +4.3%
7…O-O 13% 12% ▼ -1.5%
7…Qd6 3% 1% ▼ -2.0%
7…Bd7 2% 1% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 4 parties
Kramnik, Vladimir — 3 parties
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
7…h6 — 80.9% (575 parties)
1953 — Flohr, Salo vs Estrin, Yakov — 1/2-1/2 — Moscow-ch Moscow RUS
1953 — Taimanov, Mark vs Kotov, Alexander — 1-0 — Zurich SUI
1953 — Fuchs, Reinhart vs Herrmann, Ludwig — 1-0 — GDR-ch Jena GER
1954 — Dunkelblum, Arthur vs De Greif, Boris — 1/2-1/2 — Olympiad prel IV
1955 — Rossetto, Hector vs De Greif, Boris — 1-0 — Mar del Plata ARG
7…O-O — 13.1% (93 parties)
1951 — Shainswit, George vs Bisguier, Arthur B — 1/2-1/2 — New York, NY USA
1959 — Kholmov, Ratmir D vs Nikitin, Aleksander S — 1/2-1/2 — Tbilisi ch-URS
1961 — Burghardt, Peter vs Kultschinskij M — 1-0 — corr USSR-BRD
1962 — Rossetto, Hector vs Lengyel, Levente — 1/2-1/2 — Varna BUL
1968 — De Carbonnel, Heinz vs Brito Ramirez, Enghel Gabriel — 1/2-1/2 — cr.
7…Qd6 — 3.1% (22 parties)
1965 — Donner, Jan-Hein vs Heinbuch, Daria — 0-1 — Havana Cap-mem
1965 — Donner, Jan-Hein vs Pachman, Ludek — 0-1 — Havana CUB
1968 — Platonov, Igor V vs Kurass, Yacov — 1-0 — Kiev UKR
1970 — Shkola, Vladislav I vs Ruderfer, Mark B — 0-1 — Dnipropetrovsk
1991 — Van der Sterren, Paul vs Luther, Thomas — 1/2-1/2 — Altensteig GER
7…Bd7 — 2.5% (18 parties)
1966 — Marchukov, Aleksandr vs Tabakov, Andrey Andr — 1-0 — cr.
1978 — Von Rein, Guenter vs Misove, Pavel — 1-0 — corr DDR-4CupT
1991 — Lang, Torsten vs Schmitt, Andre — 0-1 — Wurtemberg
1992 — Brem, Stephan vs Haba, Petr — 1-0 — ?
1994 — Cherednichenko, Svetlana vs De Jong-Muhren, Bianca — 1-0 — Szeged HUN