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D38b — Ragozin
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Qa4+
Eval: [+0.15]
Les coups candidats
5…Nc6 — 99.9% (4281 parties)
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…c6 — 0.0% (2 parties)
Ambassadeurs : Burkler, F (1x), Ebel Karl Reiner (1x), Ebisch, Joachim (1x), Philippy Marco (1x)
5…Qd7 — 0.0% (2 parties)
Ambassadeurs : Riera Salom, Salvador (1x), Marques Maroto, Jaime (1x), Werlles, Milhomem werllesm (1x), Rosemiro, Silva rosemirodh (1x)
5…... — 0.0% (1 parties)
Ambassadeurs : Koploy, Paul (1x), Osbun, Erik (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Nc6 5…c6 5…Qd7 5…...
<1800 59 98% 2%
1800-2200 767 100% 0%
2200-2600 2736 100%
2600+ 418 100%
Évolution par décennie (% des parties)
Décennie N parties 5…Nc6 5…c6 5…Qd7 5…...
1920s 9 100%
1930s 23 100%
1940s 13 100%
1950s 26 100%
1960s 21 100%
1970s 26 100%
1980s 45 98% 2%
1990s 165 99% 1%
2000s 509 100% 0%
2010s 1529 100% 0%
2020s 1921 100%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nc6 100% 100% +0.2%
5…c6 0% 0% +0.0%
5…Qd7 0% 0% -0.1%
5…... 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 10 parties
Carlsen, Magnus — 7 parties
Kramnik, Vladimir — 6 parties
Alekhine, Alexander — 5 parties
Anand, Viswanathan — 5 parties
Ding, Liren — 4 parties
Karpov, Anatoly — 2 parties
Karpov, Aleksandr — 1 partie
Parties historiques
5…Nc6 — 99.9% (4281 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…c6 — 0.0% (2 parties)
1995 — Burkler, F vs Ebel Karl Reiner — 1-0 — Geneva SUI
2003 — Ebisch, Joachim vs Philippy Marco — 1-0 — ?
5…Qd7 — 0.0% (2 parties)
2011 — Riera Salom, Salvador vs Marques Maroto, Jaime — 1-0 — Palma de Majorca ESP
2014 — Werlles, Milhomem werllesm vs Rosemiro, Silva rosemirodh — 1-0 — ?
5…... — 0.0% (1 parties)
1987 — Koploy, Paul vs Osbun, Erik — 0-1 — Los Angeles, CA USA