D23f - 4.Qa4+ Nbd7 - Mannheim [+0.25]

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D23f — Mannheim
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Qa4+ Nbd7
Eval: [+0.25]
Les coups candidats
5.Nc3 — 43.2% (253 parties)
Ambassadeurs : Taimanov, Mark (4x), Sajtar, Jaroslav (3x), Pilnik, Herman (3x), Knezevic, Milorad (3x), Crouch, Colin S (3x), ? (2x), Palmason, Gudmundur (2x), Westerinen, Heikki M.J. (2x)
5.Qxc4 — 32.3% (189 parties)
Ambassadeurs : Reshevsky, Samuel (2x), Davidovic, Aleksandar (2x), Palatnik, Semon (2x), Nowak, Malgorzata (2x), Ludwig, Alfred C (1x), Rehberg, C (1x), Thelen, Bedrich (1x), Foltys, Jan (1x)
5.g3 — 19.5% (114 parties)
Ambassadeurs : Andersson, Ulf (3x), Huebner, Robert (3x), Gheorghiu, Florin (3x), Ghitescu, Theodor (2x), Radulov, Ivan (2x), Lechtynsky, Jiri (2x), Kramer, Hanspeter (1x), Berliner, Hans (1x)
5.e3 — 3.6% (21 parties)
Ambassadeurs : Steinmeyer, Robert (1x), Kramer, George (1x), Feibert, Petra (1x), Burchardt, Brigitte (1x), Wolrich, Charles (1x), Bacrot, Etienne (1x), Hund, Gerhard (1x), Lainburg, Viktor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nc3 5.Qxc4 5.g3 5.e3
<1800 5 40% 20% 20% —
1800-2200 144 37% 38% 18% 6%
2200-2600 302 43% 30% 23% 3%
2600+ 10 40% 30% 30% —
Évolution par décennie (% des parties)
Décennie N parties 5.Nc3 5.Qxc4 5.g3 5.e3
1930s 12 67% 17% 17% —
1940s 20 45% 25% 25% 5%
1950s 21 52% 29% 14% —
1960s 22 82% 9% 9% —
1970s 22 64% 18% 14% 5%
1980s 31 39% 19% 42% —
1990s 80 32% 30% 28% 8%
2000s 144 34% 39% 20% 4%
2010s 172 45% 34% 17% 4%
2020s 61 48% 43% 10% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nc3 45% 48% ▲ +2.8%
5.Qxc4 34% 43% ▲ +8.9%
5.g3 17% 10% ▼ -7.0%
5.e3 4% 0% ▼ -4.1%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 2 parties
Botvinnik, Mikhail — 1 partie
Lasker, Emanuel — 1 partie
Anand, Viswanathan — 1 partie
Karpov, Aleksandr — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
5.Nc3 — 43.2% (253 parties)
1934 — Mueller von Blumencron, Heiko vs ? — 1-0 — Villingen
1934 — MULLER vs ? — 1-0 — Villingen
1934 — Mueller, Hans vs Gruenfeld, Ernst — 1-0 — Vienna AUT
1936 — Barcza, Gedeon vs Glass, Eduard — 1/2-1/2 — Budapest HUN
1936 — Rudakovsky, Iosif vs Gergenreder — 1-0 — Moscow RUS
5.Qxc4 — 32.3% (189 parties)
1935 — Botvinnik, Mikhail vs Lasker, Emanuel — 1/2-1/2 — Moscow RUS
1936 — Capablanca, Jose vs Reshevsky, Samuel — 1-0 — Nottingham ENG
1943 — Thelen, Bedrich vs Foltys, Jan — 0-1 — Prague CZE
1945 — Reshevsky, Samuel vs Pilnik, Herman — 1-0 — Hollywood
1947 — Gudmundsson, Gudmundur S vs Agustsson, Gudmundur — 1/2-1/2 — Reykjavik ISL
5.g3 — 19.5% (114 parties)
1935 — AlekhineMendia vs GromerLardizabal — 1-0 — San Sebastian ESP
1937 — Muhring, Willem Jan vs Buerger, Victor — 1-0 — Amsterdam NED
1945 — Adams Green vs Suesman — 1/2-1/2 — Ventnor City
1946 — Kramer, Hanspeter vs Berliner, Hans — 1/2-1/2 — Pittsburgh
1946 — Sajtar, Jaroslav vs Gligorić, Svetozar — 0-1 — Prague CZE
5.e3 — 3.6% (21 parties)
1948 — Steinmeyer, Robert vs Kramer, George — 1/2-1/2 — US op Baltimore, MD USA
1978 — Feibert, Petra vs Burchardt, Brigitte — 1/2-1/2 — Berlin Gruenau
1993 — Sebenik, Matej vs Hajek, Lukas — 1-0 — Wch U10 Bratislava SVK
1993 — Nestorovic, Irena vs Popov, Radmila — 0-1 — Belgrade SRB
1996 — Wolrich, Charles vs Bacrot, Etienne — 0-1 — NI Jeune R05 M3 B2 C