D38i - 5.Bg5 Nbd7 - Ragozin, Westphalia Variation (1913)

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D38i — Ragozin, Westphalia Variation (1913)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 Nbd7
Les coups candidats
6.cxd5 — 45.4% (1636 parties)
Ambassadeurs : Giorgadze, Giorgi Gel (16x), Aleksandrov, Viktor A. (15x), Palac, Mladen (12x), Lautier, Joel (11x), Dreev, Aleksey (11x), Cramling, Pia (11x), Kovacevic, Vlatko (10x), Wirthensohn, Heinz (9x)
6.e3 — 43.1% (1552 parties)
Ambassadeurs : Campos Moreno, Javier B. (10x), Blatny, Pavel (9x), Wirthensohn, Heinz (9x), Tatai, Stefano (8x), Szabo, Zsolt (7x), Schmidt, Wlodzimierz (5x), Bellon Lopez, Juan Manuel (5x), Jirovsky, Milos (5x)
6.Qb3 — 3.7% (133 parties)
Ambassadeurs : Mamedyarov, Shakhriyar (2x), Nguyen Van Huy (2x), De Castro, Edgar (1x), Bergraser, Volf (1x), Hommeles, Theo (1x), Hoeksema, Hendrik Pieter (1x), Natsis, Trifon (1x), Frendzas, Panayotis (1x)
6.a3 — 1.7% (60 parties)
Ambassadeurs : Elemberg, Norberto (1x), Trinidad, V. (1x), Mulgrew, P (1x), Pinkerton, Arthur (1x), Da Cunha, Marcos Paolozzi S. (1x), La Rota, Fabio (1x), Schneider, Roland (1x), Pollinger, Michael (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.cxd5 6.e3 6.Qb3 6.a3
<1800 189 31% 53% 4% 4%
1800-2200 1042 38% 48% 5% 2%
2200-2600 1825 51% 41% 3% 1%
2600+ 169 73% 18% 4% —
Évolution par décennie (% des parties)
Décennie N parties 6.cxd5 6.e3 6.Qb3 6.a3
1950s 17 59% 35% — —
1960s 8 25% 25% 12% 25%
1970s 17 47% 29% 6% 6%
1980s 206 44% 45% 3% 3%
1990s 760 47% 41% 2% 1%
2000s 881 43% 42% 4% 3%
2010s 1298 51% 39% 4% 1%
2020s 415 30% 62% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.cxd5 51% 30% ▼ -20.7%
6.e3 39% 62% ▲ +22.3%
6.Qb3 4% 4% -0.2%
6.a3 1% 1% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Hou, Yifan — 7 parties
Gukesh D — 6 parties
Karpov, Anatoly — 3 parties
Carlsen, Magnus — 3 parties
Ju, Wenjun — 2 parties
Ding, Liren — 2 parties
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
6.cxd5 — 45.4% (1636 parties)
1951 — Corral, Hector vs German, Eugenio — 0-1 — San Rafael
1951 — Dodero, Emilio vs Rebizzo, Cayetano — 0-1 — Buenos Aires ARG
1951 — Chemes, Luis vs Casas Perea, Fernando — 0-1 — Buenos Aires ARG
1952 — Madeira, de Ley Manuel vs Belem, Luciano — 1/2-1/2 — ?
1952 — Aguayo, Cesar vs Platz, Hans — 0-1 — Helsinki olm
6.e3 — 43.1% (1552 parties)
1950 — Bely, Miklos vs Honfi, Gyorgy — 0-1 — Budapest HUN
1950 — Bobotsov, Milko G vs Benderev, Yurij — 1/2-1/2 — Sofia BUL
1952 — Krivec, Sandi vs Djaja, Dragutin — 1/2-1/2 — Belgrade SRB
1953 — Steiner, Herman vs Altshuler, Martin — 1-0 — Hollywood, CA
1955 — Aratovsky, Nikolay vs Makovkin, Artem — 1-0 — corr ch-SU
6.Qb3 — 3.7% (133 parties)
1960 — De Castro, Edgar vs Bergraser, Volf — 0-1 — Leipzig GER
1976 — Foisor, Ovidiu-Doru vs Trabattoni, Franco — 1/2-1/2 — Groningen NED
1985 — Natsis, Trifon vs Frendzas, Panayotis — 0-1 — Athens GRE
1985 — Lechtynsky, Jiri vs Kurtenkov, Atanas — 1/2-1/2 — Albena BUL
1985 — Budde, Vladimir vs Gruen, Gerd-Peter — 0-1 — GER
6.a3 — 1.7% (60 parties)
1961 — Elemberg, Norberto vs Trinidad, V. — 0-1 — ?
1965 — Mulgrew, P vs Pinkerton, Arthur — 0-1 — ?
1979 — Da Cunha, Marcos Paolozzi S. vs La Rota, Fabio — 1/2-1/2 — Marshall Int
1982 — Dirschwigl, Ulrike vs Wilfert, Jana — 1-0 — Tirschenreuth
1983 — Gervasi, Alessio vs Tatai, Igor — 1-0 — Arco ch-ITA