D38f — Ragozin (1936)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.cxd5 exd5 6.Bg5
Les coups candidats
Ambassadeurs : Mitkov, Nikola (39x), Aleksandrov, Viktor A. (28x), Inkiov, Ventzislav (24x), Langer, Raimund (24x), Salzmann, Stefan (22x), Sosonko, Gennadi (21x), Hou, Yifan (13x), Kupreichik, Viktor D (11x)
6…Nbd7 — 25.5% (1764 parties)
Ambassadeurs : Aleksandrov, Viktor A. (27x), Horvath, Peter (22x), Alekseev, Evgeny (19x), Palac, Mladen (18x), Kosintseva, Tatiana (17x), Milov, Vadim (16x), Wirthensohn, Heinz (16x), Luther, Thomas (16x)
6…O-O — 11.1% (765 parties)
Ambassadeurs : Arutinian, David (15x), Kacheishvili, Giorgi (8x), Movsesian, Sergei (5x), Luther, Thomas (5x), Carlsen, Magnus (4x), Bartel, Mateusz (4x), Drozdovskij, Yuri (4x), Gelashvili, Tamaz (4x)
6…Qd6 — 3.6% (250 parties)
Ambassadeurs : Taimanov, Mark (5x), Sydor, Andrzej (4x), Kluger, Gyula (3x), Tarve, Udo (3x), Pogats, Jozsef Jr. (3x), Borisenko, Georgy K (3x), Sousa, Andre Ventura (3x), Piorun, Kacper (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…h6 6…Nbd7 6…O-O 6…Qd6
<1800 231 42% 18% 21% 5%
1800-2200 1638 54% 20% 15% 3%
2200-2600 4047 56% 28% 8% 3%
2600+ 494 57% 31% 9% 2%
Évolution par décennie (% des parties)
Décennie N parties 6…h6 6…Nbd7 6…O-O 6…Qd6
1950s 60 70% 2% 8% 10%
1960s 77 55% 3% 9% 23%
1970s 72 82% 1% 4% 7%
1980s 272 53% 26% 5% 4%
1990s 588 38% 44% 6% 3%
2000s 1408 34% 37% 19% 2%
2010s 2701 53% 29% 10% 4%
2020s 1739 76% 8% 9% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…h6 53% 76% ▲ +23.7%
6…Nbd7 29% 8% ▼ -20.5%
6…O-O 10% 9% ▼ -1.0%
6…Qd6 4% 3% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Kramnik, Vladimir — 9 parties
Anand, Viswanathan — 8 parties
Kasparov, Garry — 6 parties
Karpov, Anatoly — 3 parties
Smyslov, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
6…h6 — 54.1% (3742 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
1952 — Yudovich, Mikhail sr vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
1952 — Liublinsky, Victor vs Estrin, Yakov — 0-1 — Moscow RUS
1952 — Staahlberg, Gideon vs Filip, Miroslav — 1-0 — Helsinki FIN
6…Nbd7 — 25.5% (1764 parties)
1959 — Tan, Hong Ghee vs Sassen, Pelle — 1-0 — ?
1960 — Fuchs, Reinhart vs Kramer, Haije — 1/2-1/2 — Leipzig GER
1964 — Balcerowski, Witold vs Adamski, Andrzej — 1/2-1/2 — Warsaw ch-POL
1978 — Radosevic, Milos vs Muench, Klaus-Norbert, Dr. — 0-1 — Bad Koenigshofen
1982 — Garcia Gonzales, Guillermo vs Ljubojevic, Ljubomir — 1/2-1/2 — Lucerne SUI
6…O-O — 11.1% (765 parties)
1953 — Kan, Ilya A vs Sokolsky, Alexey — 1/2-1/2 — Moscow RUS
1955 — Slatau, Rudi vs Letic, Stevan — 1/2-1/2 — cr ch YUG
1956 — Bauza, Lorenzo vs Isain, Pedros Santos — 1/2-1/2 — Montevideo URU
1957 — Averbakh, Yuri L vs Gipslis, Aivars — 1/2-1/2 — Sverdlovsk
1958 — Pachman, Ludek vs Cardoso, Radolfo Tan — 1-0 — Portoroz SLO
6…Qd6 — 3.6% (250 parties)
1952 — Stahlberg, Gideon vs Taimanov, Mark — 1/2-1/2 — Saltsjobaden SWE
1952 — Lengyel, Levente vs Pogats, Jozsef Jr. — 0-1 — Hungary ch
1956 — Lindblom, Peter vs Germann, Leo — 1/2-1/2 — Moskou olm
1957 — Filip, Miroslav vs Fuchs, Reinhart — 1-0 — Sofia zt Sofia BUL
1959 — Nei, Iivo vs Tarve, Udo — 1-0 — Tartu