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D38a — Ragozin
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4
Eval: [+0.21]
Les coups candidats
Ambassadeurs : Aleksandrov Ivanchev, Aleksandar (53x), Dizdar, Goran (46x), Aronian, Levon (46x), Salzmann, Stefan (44x), Sosonko, Gennadi (41x), Inkiov, Ventzislav (38x), Mitkov, Nikola (36x), Lombart, Philippe (34x)
Ambassadeurs : Aleksandrov Ivanchev, Aleksandar (69x), Dizdar, Goran (48x), Mitkov, Nikola (37x), Inkiov, Ventzislav (36x), Sosonko, Gennadi (31x), Luther, Thomas (28x), Peralta, Fernando (25x), Alekseev, Evgeny (25x)
Ambassadeurs : Krasenkow, Michal (30x), Aleksandrov Ivanchev, Aleksandar (27x), Mamedyarov, Shakhriyar (22x), Parligras, Mircea-Emilian (22x), Gukesh D (19x), Yilmaz, M. Fatih (17x), Sarana, Alexey (13x), Girya, Olga (12x)
5.e3 — 14.1% (4264 parties)
Ambassadeurs : Kolanek, Roman (17x), Ragozin, Viacheslav (16x), Estrin, Yakov (16x), Spasov, Spas (11x), Tan, Zhongyi (11x), Xu, Yi (11x), Hoi, Carsten (11x), Potkin, Vladimir (10x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Bg5 5.cxd5 5.Qa4+ 5.e3
<1800 806 42% 12% 7% 17%
1800-2200 6919 40% 19% 11% 17%
2200-2600 15992 35% 30% 17% 12%
2600+ 2153 37% 30% 19% 8%
Évolution par décennie (% des parties)
Décennie N parties 5.Bg5 5.cxd5 5.Qa4+ 5.e3
1880s 1
1900s 3 33% 33%
1910s 4 25% 75%
1920s 28 32% 7% 32% 14%
1930s 69 19% 12% 33% 17%
1940s 92 24% 5% 14% 42%
1950s 296 16% 24% 9% 40%
1960s 277 12% 33% 8% 36%
1970s 356 21% 27% 7% 36%
1980s 980 42% 28% 5% 15%
1990s 2756 43% 23% 6% 16%
2000s 5618 36% 26% 9% 16%
2010s 12129 38% 25% 13% 14%
2020s 7596 35% 23% 25% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Bg5 38% 35% ▼ -2.9%
5.cxd5 25% 23% ▼ -1.9%
5.Qa4+ 13% 25% ▲ +12.7%
5.e3 14% 10% ▼ -4.2%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 10 parties
Karpov, Aleksandr — 7 parties
Botvinnik, Mikhail — 3 parties
Lasker, Emanuel — 1 partie
Euwe, Max — 1 partie
Parties historiques
5.Bg5 — 36.6% (11048 parties)
1906 — Důras, Oldřich vs Zeman, Jiri — 1/2-1/2 — Prague sim Prague CZE
1911 — Marshall, Frank vs Schlechter, Carl — 1/2-1/2 — Carlsbad CZE
1923 — Lasker, E. vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — Verenigde Staten m ch-USA
1923 — Schapiro, Morris Abraham vs Marshall, Frank — 1/2-1/2 — Lake Hopatcong
1924 — Capablanca, Jose vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — New York, NY USA
5.cxd5 — 24.5% (7407 parties)
1924 — Maroczy, Geza vs Lasker, Edward — 1-0 — ?
1927 — Alekhine, Alexander vs Vidmar, Marjeta — 1/2-1/2 — New York, NY USA
1933 — Mulder, Erik vs Van den Bosch, Johannes — 0-1 — The Hague / Leiden NED
1936 — Flohr, Salo vs Lasker, Emanuel — 1-0 — Nottingham ENG
1937 — Foltys, Jan vs Milner Barry, Philip — 1-0 — Margate ENG
5.Qa4+ — 14.2% (4287 parties)
1922 — Alekhine, Alexander vs Zajicek, Petr — 1-0 — Prague CZE
1925 — Colle, Edgar vs Alekhine, Alexander — 0-1 — Hastings ENG
1925 — Gothilf, Solomon Borisovich vs Levenfish, Grigory — 1/2-1/2 — Moscow RUS
1925 — Colle, Edgar vs Alekhine, Alexander — 0-1 — Hastings Town Hall
1925 — Sarkozy, Balazs vs Meller, Frigyes — 0-1 — Budapest HUN
5.e3 — 14.1% (4264 parties)
1905 — Bernstein, Olivia vs Chigorin, Mikhail — 1-0 — Barmen GER
1911 — Burn, Amos vs Bernstein, Olivia — 1-0 — San Sebastian ESP
1911 — Salwe, Georg vs Schlechter, Carl — 1-0 — Carlsbad CZE
1916 — Rask, Bertil vs Pritzel, Axel Carl Martin — 1-0 — Copenhagen DEN
1922 — Alekhine, Alexander vs ? — 1-0 — Brussels BEL