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D86e — Gruenfeld: Classical Exchange (1966)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2
Les coups candidats
Ambassadeurs : Bobel, Philippe (35x), Tylecek, Drahomir (35x), Szeberenyi, Adam (16x), Jansa, Vlastimil (15x), ? (14x), Timman, Jan H (12x), Lukacs, Peter (10x), Pribyl, Josef (8x)
Ambassadeurs : Yandemirov, Valeri (27x), Uhlmann, Wolfgang (21x), Tukmakov, Vladimir B (9x), Berndt, Stephan (9x), Tisdall, Jonathan D (9x), Stohl, Igor (8x), Gburek, Juergen (6x), Ftacnik, Lubomir (6x)
Ambassadeurs : Kindermann, Stefan (9x), Sax, Gyula (8x), Adorjan, Andras (8x), Sajtar, Jaroslav (5x), Timman, Jan H (5x), Tomescu, Vlad (5x), Filip, Miroslav (4x), Lehmann, Heinz (4x)
8…Qd7 — 4.1% (241 parties)
Ambassadeurs : Bauer, Manfred (19x), Pribyl, Josef (7x), Tseitlin, Mark D (6x), Muse, Mladen (6x), Vaganian, Rafael A (5x), Spiridonov, Nikola (5x), Cimolai, Jean (4x), Yermolinsky, Alex (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…c5 8…Nc6 8…b6 8…Qd7
<1800 331 76% 12% 3% 1%
1800-2200 2284 79% 13% 3% 2%
2200-2600 1820 56% 28% 9% 7%
2600+ 58 57% 24% 10% 9%
Évolution par décennie (% des parties)
Décennie N parties 8…c5 8…Nc6 8…b6 8…Qd7
1950s 114 24% 43% 32% —
1960s 189 35% 49% 10% 6%
1970s 444 43% 32% 16% 9%
1980s 574 57% 26% 6% 10%
1990s 1242 64% 23% 6% 6%
2000s 1577 75% 15% 4% 3%
2010s 1405 80% 12% 3% 2%
2020s 282 78% 17% 3% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…c5 80% 78% ▼ -2.2%
8…Nc6 12% 17% ▲ +4.2%
8…b6 3% 3% -0.2%
8…Qd7 2% 0% ▼ -1.6%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 5 parties
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 3 parties
Anand, Viswanathan — 3 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
Gukesh D — 1 partie
Parties historiques
8…c5 — 67.4% (3929 parties)
1950 — Furman, Albert vs Dubinin, Peter — 1-0 — USSR
1951 — Weiss, Ernst vs Lehmann, Heinz — 1-0 — FRG-ch Duesseldorf GER
1951 — Efimov, Kondrat vs Averbakh, Yuri L — 1-0 — URS-ch sf Sverdlovsk
1952 — Milic, Borislav vs Porreca, Alessio — 1-0 — Belgrade SRB
1952 — Rabar, Braslav vs Milic, Borislav — 1/2-1/2 — Belgrade SRB
8…Nc6 — 20.2% (1178 parties)
1951 — Simagin, Vladimir vs Kopaev, Nikolay A — 1-0 — URS-ch sf Lviv UKR
1951 — Kopylov, Nazar vs Simagin, Vladimir — 1-0 — Moskou ch-URS
1951 — Rovner, Dmitry vs Simagin, Vladimir — 0-1 — URS-ch sf Lviv UKR
1951 — Rovner, Oldrich vs Simagin, Konstantin — 0-1 — Lvov UKR
1951 — Kindij Igor vs Milic, Borislav — 0-1 — Sarajevo BIH
8…b6 — 6.0% (351 parties)
1950 — Moiseev, Oleg vs Simagin, Vladimir — 0-1 — URS-ch sf Tula
1950 — Moiseev, Aleksandr vs Simagin, Vladimir — 0-1 — Tula RUS
1951 — Alexander Tadala vs Simagin, Vladimir — 1-0 — Leningrad RUS
1951 — Perez Perez, Francisco Jose vs Pilnik, Herman — 0-1 — Madrid ESP
1952 — Szentkiralyi Toth, Vince vs Trifunovic, Petar — 0-1 — Rio de Janeiro BRA
8…Qd7 — 4.1% (241 parties)
1965 — Cafiero, Michael vs Sanguinetti, Edoardo — 0-1 — Buenos Aires ch-ARG
1965 — Kapu, Jeno vs Liptay, Laszlo Dr. — 0-1 — HUN
1966 — Bokor, Istvan vs Liptay, Laszlo Dr. — 1-0 — Budapest HUN
1966 — Filep, Tibor vs Polgar, Istvan — 1-0 — Budapest HUN
1967 — Bosch van Rosenthal, Edzard vs Scholl, Eddie C — 1/2-1/2 — Zierikzee