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D78k — Neo-Gruenfeld
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nbd2
Les coups candidats
Ambassadeurs : Arkell, Keith C (10x), Ruck, Robert (8x), Kurajica, Bojan (7x), Ribli, Zoltan (7x), Hort, Vlastimil (6x), Portisch, Lajos (5x), Csom, Istvan (5x), Bukic, Enver (5x)
Ambassadeurs : Bilek, Istvan (4x), Vajda, Attila (4x), Jirovsky, Pavel (4x), Csom, Istvan (3x), Neckar, Lubomir (3x), Uhlmann, Wolfgang (2x), Speelman, Jon S (2x), Doda, Zbigniew (2x)
Ambassadeurs : Bilek, Istvan (8x), Lechtynsky, Jiri (4x), Malich, Burkhard, Dr. (3x), Donner, Jan-Hein (3x), Krogius, Nikolai V (3x), Vukic, Milan (3x), Sandler, Leonid (3x), Spassov, Liuben (3x)
7…a5 — 13.9% (383 parties)
Ambassadeurs : Nikolic, Predrag (8x), Socko, Bartosz (7x), Kurajica, Bojan (3x), Ribli, Zoltan (3x), Muzychuk, Anna (3x), Wang, Hao (3x), Uhlmann, Wolfgang (2x), Gulko, Boris (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bf5 7…Nbd7 7…Ne4 7…a5
<1800 58 28% 43% 3% 9%
1800-2200 897 24% 29% 13% 7%
2200-2600 1223 41% 10% 16% 18%
2600+ 137 39% 1% 11% 45%
Évolution par décennie (% des parties)
Décennie N parties 7…Bf5 7…Nbd7 7…Ne4 7…a5
1930s 6 50% 17%
1940s 12 42% 42%
1950s 36 25% 31% 25% 6%
1960s 83 28% 18% 33% 4%
1970s 109 46% 10% 19% 14%
1980s 108 37% 14% 24% 10%
1990s 404 30% 20% 21% 7%
2000s 594 25% 25% 13% 11%
2010s 1155 36% 18% 11% 16%
2020s 253 32% 15% 9% 29%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bf5 36% 32% ▼ -4.2%
7…Nbd7 18% 15% ▼ -2.2%
7…Ne4 11% 9% ▼ -1.9%
7…a5 16% 29% ▲ +12.8%
Joueurs célèbres
Champions du monde dans cette position
Gukesh D — 6 parties
Smyslov, Vladimir — 3 parties
Ju, Wenjun — 3 parties
Ding, Liren — 3 parties
Kasparov, Garry — 2 parties
Carlsen, Magnus — 2 parties
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7…Bf5 — 32.3% (891 parties)
1952 — Moiseev, Oleg vs Aronin, Lev — 1/2-1/2 — Moskou ch-URS
1952 — Benko, Pal vs Stahlberg, Gideon — 1-0 — Budapest HUN
1953 — Reicher, Johannes vs Szabo, Stefan — 0-1 — Bucharest ROU
1956 — Novotelnov, Nikolai vs Ragozin, Viacheslav — 1/2-1/2 — Leningrad RUS
1956 — Bolbochan, J. vs Darga, Klaus — 1/2-1/2 — Moscow RUS
7…Nbd7 — 19.2% (531 parties)
1936 — Menchik, Vera vs Mallison, Harold Vincent — 1/2-1/2 — Nottingham ENG
1938 — Kupchik, Abraham vs Morton, Harold — 0-1 — New York, NY USA
1939 — Poliak, Evsey vs Konstantinopolsky, Alexander — 1-0 — Dnipropetrovsk
1940 — Kashdan, Isaac vs Seidman, Herbert — 1-0 — New York, NY USA
1943 — Rosselli del Turco, Stefano vs Gabinara, Antonio — 1-0 — Firenze ITA
7…Ne4 — 14.8% (409 parties)
1937 — Konig, Imre vs Trifunovic, Petar — 0-1 — Yugoslavia
1942 — Ragozin, Viacheslav vs Petrov, Vladimir S. — 1-0 — Sverdlovsk
1946 — Steiner, Herman vs Evans, Larry — 1-0 — Pittsburgh
1947 — Stoltz, Gösta vs Poulsen, Christian — 0-1 — Aalborg DEN
1949 — Germek, Milan vs Bozic, Aleksandar — 1/2-1/2 — Zagreb CRO
7…a5 — 13.9% (383 parties)
1955 — Lisitsin, Georgy vs Gusev, Aleksandr — 1/2-1/2 — URS-ch sf Moscow RUS
1959 — Jaeger, Walter vs Wolk, Sigmund — 0-1 — Nuerenberg GER
1966 — Olafsson, Fridrik vs Uhlmann, Wolfgang — 0-1 — Havana CUB
1967 — Kaplan, Julio vs Keene, Raymond D — 1/2-1/2 — Hastings ENG
1968 — Hort, Vlastimil vs Uhlmann, Wolfgang — 1/2-1/2 — Monte Carlo MNC