D77f - 6…dxc4 7.Na3 (1935)

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D77f —
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O dxc4 7.Na3
Les coups candidats
Ambassadeurs : Nikolic, Predrag (17x), Gutman, Lev (13x), Kasparov, Garry (12x), Cvitan, Ognjen (10x), Csom, Istvan (7x), Ninov, Kiril (6x), Sorri, Kari Juhani (6x), Gauglitz, Gernot (6x)
Ambassadeurs : Panno, Oscar (15x), Banas, Jan (12x), Gheorghiu, Florin (10x), Ftacnik, Lubomir (7x), Anay Barche (5x), Tisdall, Jonathan D (5x), Nikolic, Predrag (5x), Gruen, Gerd-Peter (5x)
7…c5 — 7.8% (352 parties)
Ambassadeurs : Ding, Liren (4x), Blomqvist, Erik 2006 (4x), Aadvika Giri (3x), Favaloro, Andrea (3x), Svane, Rasmus (3x), Sadhwani, Raunak (3x), Bak, Istvan (2x), Bertok, Mario Jr. (2x)
Ambassadeurs : Nikolic, Predrag (7x), Smejkal, Jan (6x), Ye, Jiangchuan (6x), Ftacnik, Lubomir (6x), Jansa, Vlastimil (5x), Kurajica, Bojan (4x), Anay Barche (3x), Kalod, Radek (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…c3 7…Nc6 7…c5 7…Na6
<1800 117 40% 32% 6% 1%
1800-2200 1191 51% 23% 8% 3%
2200-2600 2702 51% 30% 6% 6%
2600+ 172 42% 12% 35% 8%
Évolution par décennie (% des parties)
Décennie N parties 7…c3 7…Nc6 7…c5 7…Na6
1950s 61 8% 48% 15% 11%
1960s 73 11% 47% 12% 5%
1970s 147 25% 52% 3% 6%
1980s 263 60% 19% 3% 9%
1990s 682 48% 27% 2% 12%
2000s 1058 43% 39% 5% 4%
2010s 1613 58% 24% 7% 3%
2020s 639 47% 17% 23% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…c3 58% 47% ▼ -10.9%
7…Nc6 24% 17% ▼ -7.6%
7…c5 7% 23% ▲ +16.2%
7…Na6 3% 3% -0.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 6 parties
Ding, Liren — 5 parties
Gukesh D — 3 parties
Ju, Wenjun — 2 parties
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7…c3 — 48.9% (2218 parties)
1950 — Eugenio, Sarah De Oliveira vs Rashevsky, Mykhailo — 1/2-1/2 — Amsterdam NED
1950 — Gudmundsson, Gudbjartur vs O'Kelly, Albéric de Galway — 1/2-1/2 — Amsterdam NED
1950 — Gudmundsson, Gudbjartur vs O'Kelly de Galway, Alberic — 1/2-1/2 — Amsterdam NED
1953 — Fridstein, German vs Abanin, Vladimir — 1/2-1/2 — Rostov on Don
1956 — Sanchez Alpizar, Luis Alberto vs Salo, Toivo — 1/2-1/2 — Moscow RUS
7…Nc6 — 28.2% (1280 parties)
1950 — Agustsson, Gudmundur vs Kinnmark, Olof — 1/2-1/2 — Reykjavik ISL
1951 — Popov, Vesselin vs Partyka, Kazimierz — 1/2-1/2 — Sopot
1951 — Nuernberg, Friedrich vs Heinicke, Herbert — 0-1 — Augsburg GER
1951 — Abalos, Fredie vs Sajtar, Jaroslav — 1/2-1/2 — Marianske Lazne zt
1952 — Burgalat, Francisco J vs Panno, Oscar — 0-1 — Buenos Aires ARG
7…c5 — 7.8% (352 parties)
1950 — Nielsen, H. J. vs Heinkinheimo, John — 1-0 — Dubrovnik olm
1951 — Vidmar, Milan Jr vs Bertok, Mario Jr. — 1/2-1/2 — Ljubljana ch YUG
1952 — Porreca, Giorgio vs Castaldi, Vincenzo — 1/2-1/2 — Ferrara
1954 — Moiseev, Oleg vs Lilienthal, Andor — 1-0 — Erevan ARM
1954 — Anay Barche vs Joppen, Ernst — 1/2-1/2 — Belgrade SRB
7…Na6 — 5.0% (225 parties)
1950 — Pirc, Vasja vs Atim Alicia Okello — 0-1 — Bled SLO
1951 — Toran Albero, Roman vs Pilnik, Herman — 1/2-1/2 — Madrid ESP
1951 — Vidmar, Milan Jr vs Rabar, Braslav — 1/2-1/2 — Ljubljana ch YUG
1952 — Bakonyi, Elek vs Anay Barche — 0-1 — Hungary ch
1954 — Pirc, Vasja vs Rabar, Braslav — 1/2-1/2 — Munich GER