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D23m — QGA: Mannheim
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Qa4+ c6 5.Qxc4 Bf5 6.g3 e6
Les coups candidats
Ambassadeurs : Khenkin, Igor (27x), Epishin, Vladimir (22x), Cramling, Pia (18x), Mirzoev, Azer (17x), Wojtkiewicz, Aleksander (15x), Dreev, Aleksey (14x), Mamedyarov, Shakhriyar (14x), Girya, Olga (13x)
7.Nc3 — 1.8% (56 parties)
Ambassadeurs : Wirthensohn, Heinz (2x), Lputian, Smbat (2x), Torbin, Kirill (2x), Jacobs, Rudolf (2x), Cairou, Yannick (1x), Andrason, Karl Oddur (1x), Morozevich, Alexander (1x), Smyslov, Vasily (1x)
7.Bd2 — 0.0% (1 parties)
Ambassadeurs : Sycova, Miroslava (1x), Nagy, Attila (1x)
7.Qb3 — 0.0% (1 parties)
Ambassadeurs : Pinilla Sanchez, Josep A. (1x), Borges Ayats, Joaquim (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Bg2 7.Nc3 7.Bd2 7.Qb3
<1800 65 95% 5%
1800-2200 757 98% 1% 0% 0%
2200-2600 2142 98% 2%
2600+ 174 99% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.Bg2 7.Nc3 7.Bd2 7.Qb3
1960s 7 100%
1970s 4 100%
1980s 45 98% 2%
1990s 242 97% 3%
2000s 821 98% 2% 0%
2010s 1447 98% 2% 0%
2020s 631 99% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Bg2 98% 99% ▲ +0.8%
7.Nc3 2% 1% ▼ -0.8%
7.Bd2 0% 0% +0.0%
7.Qb3 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 8 parties
Anand, Viswanathan — 4 parties
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
7.Bg2 — 98.1% (3137 parties)
1964 — Filip, Miroslav vs Tringov, Georgi P — 1/2-1/2 — Tel Aviv olm
1964 — Szabo, Laszlo vs Tringov, Georgi P — 1/2-1/2 — Sinaia
1965 — Benko, Pal vs Gheorghiu, Florin — 1/2-1/2 — Mar del Plata ARG
1965 — Portisch, Lajos vs Lengyel, Levente — 1/2-1/2 — Budapest HUN
1966 — Gheorghiu, Florin vs Neamtu, Serban-Constantin — 1/2-1/2 — Bucharest Bucharest ROM
7.Nc3 — 1.8% (56 parties)
1989 — Wirthensohn, Heinz vs Cairou, Yannick — 1-0 — Lenk op Lenk SUI
1991 — Wirthensohn, Heinz vs Somlai, Laszlo — 1/2-1/2 — Brno CZE
1993 — Lputian, Smbat vs Smyslov, Vasily — 1/2-1/2 — Rostov RUS
1994 — Petrosian, Arshak B vs Mnatsakanian, Eduard A — 1-0 — Erevan ARM
1994 — Peregudov, Nikolay vs Asanov, Bolat — 0-1 — St Petersburg RUS
7.Bd2 — 0.0% (1 parties)
2004 — Sycova, Miroslava vs Nagy, Attila — 1/2-1/2 — ?
7.Qb3 — 0.0% (1 parties)
2015 — Pinilla Sanchez, Josep A. vs Borges Ayats, Joaquim — 1/2-1/2 — Cerdanyola del Valles