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D15s — Accepted, Alekhine (1923)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e3 b5 6.a4 b4 7.Nb1
Les coups candidats
7…Ba6 — 66.8% (344 parties)
Ambassadeurs : Nikolic, Predrag (5x), Sosonko, Gennadi (4x), Varga, Peter (4x), Stocek, Jiri (4x), Schneider, Ilja (4x), Torre, Eugenio (3x), Netusil, Miloslav (3x), Savchenko, Stanislav (3x)
7…e6 — 19.2% (99 parties)
Ambassadeurs : Schneider, Ilja (3x), Rossetto, Hector (2x), Wade, Robert G (2x), Pinter, Jozsef (2x), Romero Holmes, Alfonso (2x), Hansen, Lars Bo (2x), Jelling, Erik (2x), Peptan, Corina-Isabela (2x)
7…a5 — 7.8% (40 parties)
Ambassadeurs : Paidousis, Aristidis (1x), Ferry, Roger (1x), Bronstein, David I (1x), Radovici, Corvin (1x), Meyer, Eugene (1x), Shamkovich, Leonid (1x), Zeitlein, Michael (1x), Chekhov, Valery A (1x)
7…Nbd7 — 1.6% (8 parties)
Ambassadeurs : Kaabi, Mejdi (1x), Hamdouchi, Hicham (1x), Gervais, Claire (1x), Dubois, Martine (1x), Grivas, Efstratios (1x), Andonov, Bogomil (1x), Pinto, Pedro Jorge de Moraes (1x), Loureiro, Luiz Vasconcellos (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Ba6 7…e6 7…a5 7…Nbd7
<1800 18 61% 22% 11%
1800-2200 127 56% 23% 11% 2%
2200-2600 296 72% 18% 6% 2%
2600+ 16 81% 12%
Évolution par décennie (% des parties)
Décennie N parties 7…Ba6 7…e6 7…a5 7…Nbd7
1950s 3 67% 33%
1960s 10 10% 60% 20%
1970s 10 80% 20%
1980s 34 79% 12% 3%
1990s 166 74% 16% 6% 2%
2000s 125 64% 20% 10% 4%
2010s 153 61% 23% 7%
2020s 14 64% 14% 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Ba6 61% 64% ▲ +2.8%
7…e6 23% 14% ▼ -8.6%
7…a5 7% 14% ▲ +7.1%
7…Nbd7 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 3 parties
Smyslov, Vladimir — 1 partie
Parties historiques
7…Ba6 — 66.8% (344 parties)
1951 — Makarczyk, Kazimierz vs Alexandrescu, Gheorghe — 0-1 — Bucharest ROU
1957 — Richter, Hildegard vs Aarnav Kar — 1-0 — Soemmerda
1960 — Trifunovic, Petar vs Bely, Miklos — 0-1 — Marianske Lazne
1971 — Malich, Burkhard, Dr. vs Hennings, Artur — 1/2-1/2 — Zinnowitz GER
1971 — Bobotsov, Milko G vs Ree, Hans — 1/2-1/2 — Amsterdam NED
7…e6 — 19.2% (99 parties)
1950 — Taimanov, Mark vs Matzkewitsch, A. — 1-0 — Leningard
1961 — Rossetto, Hector vs Serra Olives, Tomas — 1-0 — Mar del Plata ARG
1961 — Rossetto, Hector vs Serra Weiss, David Caleb — 1-0 — it Mar del Plata ARG
1962 — Lazarev, Efim M. vs Sakharov, Yuri N — 1/2-1/2 — ?
1963 — Nikolaevsky, Yuri V vs Minev, Nikolay N — 0-1 — Sofia BUL
7…a5 — 7.8% (40 parties)
1962 — Paidousis, Aristidis vs Ferry, Roger — 1/2-1/2 — Varna BUL
1965 — Bronstein, David I vs Radovici, Corvin — 0-1 — Hamburg etc
1971 — Malich, Burkhard, Dr. vs Boehnisch, Manfred — 1-0 — Strasbourg ch20-DDR
1977 — Meyer, Eugene vs Shamkovich, Leonid — 1/2-1/2 — ?
1982 — Zeitlein, Michael vs Chekhov, Valery A — 0-1 — Moscow RUS
7…Nbd7 — 1.6% (8 parties)
1992 — Grivas, Efstratios vs Andonov, Bogomil — 1-0 — Ano Liosia GRE
1994 — Kaabi, Mejdi vs Hamdouchi, Hicham — 1-0 — Casablanca MAR
1996 — Gervais, Claire vs Dubois, Martine — 1-0 — chw
2000 — Eriksson, Magnus vs Akesson, Joel — 0-1 — Sweden
2001 — Pinto, Pedro Jorge de Moraes vs Loureiro, Luiz Vasconcellos — 1-0 — Sao Paulo BRA