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C08b — Tarrasch, Open (1968)
1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Bb5+ Nc6
Les coups candidats
Ambassadeurs : Uhlmann, Wolfgang (18x), Vaganian, Rafael A (11x), Lputian, Smbat (10x), Huebner, Robert (7x), Korchnoi, Viktor (7x), Ivanchuk, Vasyl (7x), Bakheet Farag (6x), Kekki, Jorma (6x)
Ambassadeurs : Uhlmann, Wolfgang (6x), Portisch, Ferenc (5x), Weyerstrass, Ronald (4x), Schneider, Lars-Ake (4x), Heika, Martin (4x), Heil, Siegfried (3x), Brown, Paul (3x), Tatai, Stefano (3x)
6.Ne2 — 8.8% (167 parties)
Ambassadeurs : Dolmatov, Sergey (5x), Bronstein, David I (4x), Gulko, Boris (4x), Vladimirov, Yevgeniy (4x), Modr, Bretislav (3x), Uhlmann, Wolfgang (3x), Lputian, Smbat (3x), Velicka, Petr (3x)
6.dxc5 — 1.8% (34 parties)
Ambassadeurs : Burkauskas, Teodoras (1x), Stadler, Tereza (1x), Borkowski, Franciszek (1x), Szymczak, Zbigniew (1x), Collins, Richard (1x), Blade, Norman T (1x), Tseshkovsky, Vitaly (1x), Lputian, Smbat (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Ngf3 6.Qe2+ 6.Ne2 6.dxc5
<1800 90 44% 47% 4% 4%
1800-2200 623 43% 48% 6% 3%
2200-2600 669 56% 30% 13% 1%
2600+ 23 78% 9% 13% —
Évolution par décennie (% des parties)
Décennie N parties 6.Ngf3 6.Qe2+ 6.Ne2 6.dxc5
1950s 37 49% 51% — —
1960s 54 56% 41% 2% 2%
1970s 221 45% 48% 6% 1%
1980s 352 46% 36% 16% 1%
1990s 442 43% 45% 10% 2%
2000s 404 49% 40% 7% 3%
2010s 285 52% 38% 7% 2%
2020s 95 69% 28% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Ngf3 52% 69% ▲ +17.2%
6.Qe2+ 38% 28% ▼ -9.1%
6.Ne2 7% 2% ▼ -4.9%
6.dxc5 2% 0% ▼ -2.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 2 parties
Carlsen, Magnus — 2 parties
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
6.Ngf3 — 48.3% (912 parties)
1950 — Mueller, Philip vs Grob, Henry — 0-1 — Lucerne SUI
1951 — Averbakh, Yuri L vs Botvinnik, Mikhail — 1/2-1/2 — Moskou ch-URS
1951 — Aguero, Cruz vs Barker, Malcolm Neil — 1/2-1/2 — Birmingham/Coventry
1951 — Madaminov, Mukhiddin vs Petrosian, Tigran V. — 1/2-1/2 — Tashkent UZB
1951 — Aguero, Cruz vs Ivkov, Borislav — 1/2-1/2 — Birmingham/Coventry
6.Qe2+ — 40.8% (772 parties)
1950 — Edgar Kwach vs Olafsson, Fridrik — 1/2-1/2 — Birmingham ENG
1950 — Mueller, Philip vs Emden, Hermann — 1-0 — Lucerne SUI
1950 — Mora, Maria vs Trenmer, E — 1/2-1/2 — Moscow RUS
1951 — Burstein, Sylvain vs Barker, Malcolm Neil — 1/2-1/2 — Birmingham/Coventry
1951 — Poliak, Evsey vs Sokolsky, Alexey — 1-0 — Lvov UKR
6.Ne2 — 8.8% (167 parties)
1968 — Bronstein, David I vs Gulko, Boris — 0-1 — Moscow RUS
1975 — Bronstein, David I vs Hort, Vlastimil — 1/2-1/2 — Hastings ENG
1975 — Bronstein, David I vs Uhlmann, Wolfgang — 1/2-1/2 — Hastings ENG
1976 — Bronstein, David I vs Hort, Vlastimil — 1/2-1/2 — Hastings ENG
1977 — Modr, Bretislav vs Horak, Vladimir — 1-0 — Prague CZE
6.dxc5 — 1.8% (34 parties)
1965 — Burkauskas, Teodoras vs Stadler, Tereza — 0-1 — Belgrade SRB
1976 — Borkowski, Franciszek vs Szymczak, Zbigniew — 1/2-1/2 — POL ch XXXIII
1979 — Versteeg, Artus vs Weyerstrass, Ronald — 1/2-1/2 — BSGI-EindhovenI
1980 — Collins, Richard vs Blade, Norman T — 1-0 — Lancaster
1980 — Tseshkovsky, Vitaly vs Lputian, Smbat — 1-0 — Erevan ARM