D26c - 5…a6 - QGA (1905)

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D26c — QGA (1905)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 a6
Les coups candidats
Ambassadeurs : Volodarsky, Yury Aleksandrovich (66x), Guliyev, Namig (59x), Karpatchev, Aleksandr (38x), Karjakin, Sergey (36x), Belenkaya, Dina (36x), Varga, Zoltan (31x), Jonkman, Harmen (30x), Postny, Evgeny (25x)
6.a4 — 13.2% (1152 parties)
Ambassadeurs : Guliyev, Namig (12x), Sadler, Matthew D (9x), Raetsky, Alexander (7x), Varga, Zoltan (7x), Belenkaya, Dina (7x), Naumkin, Igor (6x), Sukhareva, Evgeniya (6x), Chekhov, Valery A (5x)
6.Qe2 — 5.1% (443 parties)
Ambassadeurs : Yakovich, Yuri (8x), Ruban, Vadim (5x), Ruchieva, Natalia (5x), Dao, Thien Hai (4x), Bakheet Farag (4x), Kaunas, Kestutis (4x), Huebner, Robert (3x), Meister, Jakob (3x)
6.Nc3 — 2.2% (188 parties)
Ambassadeurs : Velikov, Petar (2x), Rossi, Giampiero (2x), Ojanen, Kaarle S (1x), Pilnik, Herman (1x), Gudmundsson, Arinbjorn (1x), Stahlberg, Gideon (1x), Artsukevich, Viktor (1x), Klovans, Janis (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.O-O 6.a4 6.Qe2 6.Nc3
<1800 324 73% 11% 3% 7%
1800-2200 2503 72% 17% 4% 3%
2200-2600 5005 77% 12% 6% 1%
2600+ 338 85% 3% 7% 1%
Évolution par décennie (% des parties)
Décennie N parties 6.O-O 6.a4 6.Qe2 6.Nc3
1950s 94 82% 9% 2% 5%
1960s 87 80% 11% 5% 1%
1970s 61 54% 38% 3% 5%
1980s 291 63% 23% 11% 2%
1990s 1188 67% 16% 11% 2%
2000s 2183 73% 14% 6% 2%
2010s 2955 77% 13% 3% 2%
2020s 1841 83% 9% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.O-O 77% 83% ▲ +5.4%
6.a4 13% 9% ▼ -3.7%
6.Qe2 3% 2% ▼ -1.3%
6.Nc3 2% 2% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 9 parties
Gukesh D — 9 parties
Kramnik, Vladimir — 5 parties
Carlsen, Magnus — 4 parties
Hou, Yifan — 3 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 1 partie
Ding, Liren — 1 partie
Parties historiques
6.O-O — 75.4% (6563 parties)
1950 — Gereben, Erno vs Sebestyen, Balazs — 1-0 — Budapest HUN
1950 — Bolbochan, Julio vs Devos, Paul — 1-0 — Dubrovnik CRO
1950 — Van den Berg, Cees vs Van Steenis, Ir — 1-0 — Leiden NED
1950 — Pirc, Vasja vs Pilnik, Herman — 1/2-1/2 — Bled SLO
1950 — MULLER vs Kramer, Gerald — 1/2-1/2 — Dubrovnik olm
6.a4 — 13.2% (1152 parties)
1950 — Vidmar, Milan Sr vs Rabar, Braslav — 1/2-1/2 — Bled SLO
1951 — Makogonov, Vladimir vs Prokhorovich, Taras E — 1-0 — Baku AZE
1951 — Füster, Géza vs Gecsei, Istvan — 1-0 — Hungary ch
1951 — Udovcic, Mijo vs Bahro, Tom — 0-1 — Sarajevo BIH
1952 — Van Seters, Frits vs O'Kelly de Galway, Alberic — 0-1 — Brussels BEL
6.Qe2 — 5.1% (443 parties)
1957 — Furman, Semyon vs Mikenas, Vladas — 1/2-1/2 — Kiev UKR
1959 — Beggi, Pierluigi vs Cappello, Guido — 1-0 — Rimini
1961 — Niephaus, Walter vs Ujtelky, Maximilián Samuel Rudolf — 0-1 — Oberhausen etc
1961 — Goldenberg, Edgardo vs Rossetto, Hector — 1-0 — Balcarce
1961 — Camara, Ronald vs Lazzarini, Decio — 1-0 — Vitoria
6.Nc3 — 2.2% (188 parties)
1953 — Ojanen, Kaarle S vs Pilnik, Herman — 1/2-1/2 — Mar del Plata ARG
1953 — Steiner, Lajos vs Goldstein, Maurice Edwards — 1-0 — Hobart
1957 — Gudmundsson, Arinbjorn vs Stahlberg, Gideon — 0-1 — Reykjavik ISL
1957 — Airapetov, Garriy vs Mikenas, Vladas — 1-0 — Ashkhabad
1958 — Watson, Keith F vs Brown, Bertram Goulding — 1-0 — Leamington