E49d - 7…c5 8.cxd5 - Botvinnik (1936)

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E49d — Botvinnik
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 8.cxd5
Les coups candidats
Ambassadeurs : Jelen, Igor (5x), Gerzhoy, Leonid (4x), Benko, Pal (3x), Lilienthal, Andor (3x), Hoi, Carsten (3x), Dumitrache, Dragos-Nicolae (3x), Kottnauer, Cenek (2x), Stahlberg, Gideon (2x)
8…Qxd5 — 12.2% (72 parties)
Ambassadeurs : Reshevsky, Samuel (3x), Yanofsky, Daniel Abraham (2x), Shamkovich, Leonid (2x), Kotov, Alexander (1x), Levin Astorga, Nicolas Daniel (1x), Kotov Lundqvist, Alex (1x), Denker, Arnold S (1x), Bogoljubow, Efim (1x)
8…Nxd5 — 2.7% (16 parties)
Ambassadeurs : Sliwa, Bogdan (2x), Mkrtchyan, Anahit H. (2x), Marini, Luis (1x), Luckis, Marcos (1x), Cintron, Rafael L (1x), Cardoso, Radolfo Tan (1x), Bratoszewski, Jerzy (1x), Gadalinski, Jan (1x)
8…cxd4 — 0.2% (1 parties)
Ambassadeurs : Szabo, Balazs (1x), Rozsnyai, Tibor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…exd5 8…Qxd5 8…Nxd5 8…cxd4
<1800 3 67% 33% — —
1800-2200 112 83% 12% 4% 1%
2200-2600 321 88% 12% 1% —
2600+ 18 61% 39% — —
Évolution par décennie (% des parties)
Décennie N parties 8…exd5 8…Qxd5 8…Nxd5 8…cxd4
1930s 4 50% 50% — —
1940s 23 65% 30% 4% —
1950s 39 79% 13% 8% —
1960s 21 100% — — —
1970s 18 94% — 6% —
1980s 32 97% 3% — —
1990s 73 81% 15% 4% —
2000s 118 81% 16% 2% 1%
2010s 137 87% 12% 1% —
2020s 124 88% 9% 3% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…exd5 87% 88% ▲ +1.0%
8…Qxd5 12% 9% ▼ -2.8%
8…Nxd5 1% 3% ▲ +1.8%
8…cxd4 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
8…exd5 — 84.9% (500 parties)
1936 — Stahlberg, Gideon vs Keres, Paul — 0-1 — Bad Nauheim
1939 — Castillo Larenas, Mariano vs Eliskases, Erich — 1/2-1/2 — Buenos Aires ol pr-B
1940 — Fine, Reuben vs Steiner, Herman — 1-0 — Dallas, TX USA
1941 — Stahlberg, Gideon vs Bolbochan, J. — 1-0 — Mar del Plata ARG
1946 — Sajtar, Jaroslav vs Kottnauer, Cenek — 1-0 — Prague CZE
8…Qxd5 — 12.2% (72 parties)
1936 — Bogoljubow, Efim vs Reshevsky, Samuel — 0-1 — Nottingham ENG
1937 — Mikenas, Vladas vs Fairhurst, William — 1-0 — Hastings ENG
1942 — Reshevsky, Samuel vs Levin Astorga, Nicolas Daniel — 1-0 — New York, NY USA
1942 — Reshevsky, Samuel vs Denker, Arnold S — 1-0 — New York, NY USA
1946 — Kotov, Alexander vs Yanofsky, Daniel Abraham — 1/2-1/2 — It Groningen NED
8…Nxd5 — 2.7% (16 parties)
1947 — Marini, Luis vs Luckis, Marcos — 0-1 — Buenos Aires ch-ARG
1952 — Sliwa, Bogdan vs Gadalinski, Jan — 1-0 — Katowice POL
1955 — Sliwa, Bogdan vs Bratoszewski, Jerzy — 0-1 — Wroclaw POL
1958 — Cintron, Rafael L vs Cardoso, Radolfo Tan — 0-1 — Munich olm fin-C
1971 — Lev, Arieh vs Buch, Avital — 0-1 — Haifa/Tel Aviv
8…cxd4 — 0.2% (1 parties)
2004 — Szabo, Balazs vs Rozsnyai, Tibor — 1-0 — HUN