E82d - 7.Bd3 - Saemisch, Fianchetto, Bronstein Variation (1959)

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E82d — Saemisch, Fianchetto, Bronstein Variation (1959)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3
Les coups candidats
Ambassadeurs : Polugaevsky, Lev (8x), Gufeld, Eduard (7x), Gheorghiu, Florin (7x), Rashkovsky, Nukhim N (6x), Torre, Eugenio (6x), Vukic, Milan (6x), Knaak, Rainer (5x), Schmidt, Wlodzimierz (5x)
Ambassadeurs : Ghitescu, Theodor (10x), Stein, Leonid (8x), Gheorghiu, Florin (7x), Pachman, Ludek (6x), Tringov, Georgi P (6x), Bobotsov, Milko G (6x), Hindle, Owen M (5x), Gligoric, Sofija (4x)
Ambassadeurs : Damljanovic, Branko (5x), Cvitan, Ognjen (3x), Kraschl, Joerg (3x), Dedes, Nikolaos (3x), Knaak, Rainer (2x), Schneider, Attila (2x), Krug, Georg (2x), von Wersch, Oliver (2x)
7…c5 — 6.9% (76 parties)
Ambassadeurs : Bronstein, David I (2x), Lutikov, Anatoly S (2x), Sindarov, Javokhir (2x), Ader Hausman, Walter (1x), Boudy Bueno, Julio Leonardo (1x), Garcia Rios, J.A (1x), Morgado, Juan Sebastian (1x), Calinescu, Gruia (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…a6 7…Bb7 7…Nfd7 7…c5
<1800 47 26% 32% 6% 28%
1800-2200 253 47% 19% 8% 9%
2200-2600 488 57% 20% 11% 5%
2600+ 2 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…a6 7…Bb7 7…Nfd7 7…c5
1950s 2 — — — 100%
1960s 135 31% 61% 1% 1%
1970s 210 51% 43% — 3%
1980s 140 49% 18% 13% 4%
1990s 274 49% 17% 11% 8%
2000s 190 53% 17% 6% 9%
2010s 144 45% 15% 13% 12%
2020s 12 67% 17% — 17%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…a6 45% 67% ▲ +21.5%
7…Bb7 15% 17% ▲ +1.4%
7…Nfd7 13% 0% ▼ -13.2%
7…c5 12% 17% ▲ +4.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 5 parties
Tal, Mikhail — 2 parties
Kramnik, Vladimir — 1 partie
Parties historiques
7…a6 — 47.6% (527 parties)
1960 — Polugaevsky, Lev vs Gufeld, Eduard — 0-1 — Vilnius LTU
1960 — Polugaevsky, Lev vs Geller, Efim P. — 1-0 — Moscow RUS
1960 — Polugaevsky, Lev vs Gufeld, Eduard — 0-1 — ?
1960 — Abanin, Vladimir vs Gufeld, Eduard — 1-0 — ?
1960 — Buslaev, Aleksander vs Stein, Leonid — 0-1 — Moscow RUS
7…Bb7 — 27.0% (299 parties)
1963 — Spassky, Boris Vasily vs Gufeld, Eduard — 1-0 — URS
1963 — Pachman, Ludek vs Tal, Mikhail — 1/2-1/2 — Havana CUB
1963 — Spassky, Boris V. vs Gufeld, Eduard — 1-0 — Leningrad ch-URS
1964 — Liberzon, Vladimir M vs Anoshin, Gennadi N — 1-0 — ?
1964 — Vranesic, Zvonko vs Stein, Leonid — 0-1 — Amsterdam izt
7…Nfd7 — 7.4% (82 parties)
1963 — Schweber, Samuel vs Bielicki, Carlos — 1-0 — Buenos Aires ARG
1967 — Trujillo, Omar vs Kasanen, Juha — 1/2-1/2 — Harrachov
1984 — Ilic, Dragan M vs Zakic, Srdjan — 1/2-1/2 — Pula CRO
1984 — Panno, Oscar vs Szmetan, Jorge — 0-1 — Mar del Plata ARG
1985 — Knaak, Rainer vs Paehtz, Thomas — 0-1 — Jueterborg GER
7…c5 — 6.9% (76 parties)
1959 — Bronstein, David I vs Lutikov, Anatoly S — 1/2-1/2 — Tbilisi ch-SU
1959 — Bronstein, David I vs Lutikov, Anatoly S — 1/2-1/2 — Tbilisi ch-URS
1966 — Garcia Rios, J.A vs Morgado, Juan Sebastian — 1/2-1/2 — cr LADAC Dr Roura Me
1968 — Ader Hausman, Walter vs Boudy Bueno, Julio Leonardo — 0-1 — Santa Clara CUB
1970 — Knaak, Rainer vs Redlich, Bogdan — 1-0 — Warsaw POL