E83b - 7.Qd2 - Saemisch (1925)

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E83b — Saemisch (1925)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Qd2
Les coups candidats
Ambassadeurs : Gufeld, Eduard (7x), Lev, Ronen (7x), Nunn, John D M (7x), Bukic, Enver (6x), Petursson, Margeir (6x), Christiansen, Larry (6x), Valeinis, Janis (6x), Zhak, Boris (6x)
7…e5 — 20.5% (722 parties)
Ambassadeurs : Enkrodt, Ulrich (5x), Kosztolanczi, Gyula (5x), Wiltenburg, Fred (4x), Panzel, Kenneth (3x), Herzel, Alois, Dr. (3x), Turukin, Timofey (2x), Coudari, Camille (2x), Blachmann, Horst (2x)
7…Re8 — 8.0% (281 parties)
Ambassadeurs : Westerinen, Heikki M.J. (13x), Nautsch, Werner (4x), Wibe, Terje (3x), Portisch, Ferenc (3x), ? (3x), Szczepaniec, Stanislaw (3x), Schrancz, Istvan (2x), Perez Perez, Francisco Jose (2x)
7…Rb8 — 1.1% (40 parties)
Ambassadeurs : Rotariu, Gheorghe S (1x), Blockx, Frank (1x), Kiss, Laszlo (1x), Varini, Massimo (1x), Samuelsson, Fride (1x), Melander, Mikael (1x), Blachmann, Horst (1x), Kopczak, Ludwig (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…a6 7…e5 7…Re8 7…Rb8
<1800 215 59% 28% 6% 0%
1800-2200 1639 65% 26% 6% 1%
2200-2600 883 81% 8% 8% 1%
2600+ 14 93% 7% — —
Évolution par décennie (% des parties)
Décennie N parties 7…a6 7…e5 7…Re8 7…Rb8
1950s 9 11% 67% 11% —
1960s 122 65% 11% 21% 1%
1970s 126 48% 9% 35% 5%
1980s 341 77% 8% 11% 1%
1990s 916 68% 20% 8% 1%
2000s 1009 67% 24% 6% 1%
2010s 873 69% 23% 5% 1%
2020s 131 68% 23% 4% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…a6 69% 68% ▼ -0.9%
7…e5 23% 23% ▼ -0.6%
7…Re8 5% 4% ▼ -1.1%
7…Rb8 1% 0% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Ding, Liren — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
7…a6 — 67.8% (2393 parties)
1958 — Tal, Mikhail vs Zemitis, Valdemars — 1/2-1/2 — Bad Cannstatt
1961 — Polugaevsky, Lev vs Taimanov, Mark — 1/2-1/2 — Moskou
1961 — Bataev, Victor vs Cherechevsky, I. — 0-1 — ?
1961 — Szukszta, Janus vs Gasztonyi, Endre — 0-1 — Warsaw POL
1962 — Grimshaw, Daejon vs Valvo, Michael J — 0-1 — Intercollegiate tt
7…e5 — 20.5% (722 parties)
1951 — Rathai, Volker vs Elstner, Rudolf — 0-1 — Schwerin GER
1952 — Stoltz, Gabriel vs Kinnmark, Ove — 1-0 — match LB
1954 — Diez del Corral, Jesus vs Napolitano, Mario — 1-0 — Sirmione
1954 — Ciejka, Tadeusz vs Borloy, Karoly — 0-1 — Budapest HUN
1955 — Hansen, Poul Martin vs Pedersen, Bent — 1-0 — Copenhagen DEN
7…Re8 — 8.0% (281 parties)
1957 — Perez Gonsalves, Eduardo vs Perez Perez, Francisco Jose — 0-1 — Zaragoza
1962 — Morosova, Tatiana V vs Benko, Francisco — 1-0 — Leningrad RUS
1962 — Jimenez Zerquera, Eleazar vs Perez Perez, Francisco Jose — 1/2-1/2 — Havana CUB
1962 — Gligoric, Sofija vs Bronstein, David I — 1/2-1/2 — Lvov UKR
1963 — Khodos, German vs Mukhin, Evgeny B — 1-0 — Soviet Union
7…Rb8 — 1.1% (40 parties)
1966 — Rotariu, Gheorghe S vs Blockx, Frank — 1-0 — CCOL6 corr
1973 — Romanov, W. vs Quednau, Hans-Joachim — 1-0 — corr DDR/M
1974 — Samuelsson, Fride vs Melander, Mikael — 0-1 — Sweden
1974 — Sorensen, Soren A. vs Iskov, Gert — 1/2-1/2 — Vejle DEN
1974 — Aarna Zantye vs Stockigt, R. — 0-1 — cr.