D52b — Cambridge Springs Defence
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5
Les coups candidats
Ambassadeurs : Bogoljubow, Efim (21x), Alekhine, Alexander (18x), Gruenfeld, Ernst (16x), Pino Munoz, Francisca (16x), Vermeulen, Ernst J (16x), Ling, Anthony (16x), Aannevik, Bjarne (16x), Jans, Antoine (16x)
Ambassadeurs : Lacrosse, Marc (17x), Wiesinger, Johann (16x), Szczepanski, Zbigniew (14x), Landau, Salo (12x), Dreev, Aleksey (10x), Blagojevic, Dragisa (9x), Alekhine, Alexander (8x), Euwe, Max (8x)
Ambassadeurs : Frydman, Paulino (7x), Lasker, Emanuel (6x), Wasnetsky, Ursula (6x), Menchik, Vera (5x), O'Hanlon, John (4x), Spielmann, Rudolf (4x), Hrubsa, Marian (4x), Marshall, Frank (3x)
7.Qc2 — 3.8% (530 parties)
Ambassadeurs : Botsari, Anna-Maria (3x), Burn, Amos (2x), Botvinnik, Mikhail (2x), Diebig, Maja (2x), Macre, Mihaela (2x), Baluta, Elena-Camelia (2x), Diloudi, Despoina (2x), Auger, Bertrand (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Nd2 7.cxd5 7.Bxf6 7.Qc2
<1800 571 36% 12% 25% 5%
1800-2200 5026 47% 19% 21% 5%
2200-2600 3968 54% 36% 7% 1%
2600+ 235 42% 56% 0% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.Nd2 7.cxd5 7.Bxf6 7.Qc2
1890s 3 33% 33%
1900s 58 52% 2% 28% 5%
1910s 29 55% 7% 24% 3%
1920s 205 56% 21% 16% 3%
1930s 325 51% 22% 22% 2%
1940s 115 52% 23% 20% 2%
1950s 90 49% 27% 13% 4%
1960s 137 34% 34% 25% 3%
1970s 208 50% 21% 21% 2%
1980s 657 52% 24% 12% 3%
1990s 2404 46% 15% 20% 6%
2000s 4451 46% 20% 18% 4%
2010s 4332 45% 29% 15% 3%
2020s 941 51% 36% 8% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Nd2 45% 51% ▲ +5.5%
7.cxd5 29% 36% ▲ +6.7%
7.Bxf6 15% 8% ▼ -6.5%
7.Qc2 3% 1% ▼ -1.5%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 10 parties
Euwe, Max — 10 parties
Alekhine, Alexander — 10 parties
Kasparov, Garry — 10 parties
Smyslov, Vladimir — 8 parties
Kramnik, Vladimir — 8 parties
Carlsen, Magnus — 8 parties
Botvinnik, Mikhail — 6 parties
Ding, Liren — 5 parties
Gukesh D — 2 parties
Ju, Wenjun — 2 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
7.Nd2 — 46.8% (6532 parties)
1904 — Wilcox, FF. vs Goldberg, Adam W — 1-0 — Cable Match
1904 — Atkins, Henry Ernest vs Karonga MacDonald — 1-0 — Hastings ENG
1904 — Swiderski, Radoslaw vs D Marco, Gianni — 1/2-1/2 — Coburg
1904 — Schlechter, Carl vs Teichmann, Richard — 1/2-1/2 — Cambridge
1904 — De Visser, William vs Young John Welsh — 0-1 — Cable Match
7.cxd5 — 23.3% (3256 parties)
1904 — MUELLER, Ogbaviro vs Lee, Francis J — 1/2-1/2 — London ENG
1915 — Lasker, Edward vs Jaffe, Charles — 1-0 — USA
1916 — Janowsky, D. vs Jaffe, C. — 0-1 — New York, NY USA
1924 — Pannekoek, Johannes Henricus vs Oskam, Gerard — 1-0 — Rotterdam NED
1924 — Pannekoek, Johannes vs Oskam, Gerard — 1-0 — NED
7.Bxf6 — 16.7% (2326 parties)
1892 — Hodges, Albert vs Lasker, Emanuel — 0-1 — New York, NY USA
1904 — Shoosmith, Hector W vs MUELLER, Ogbaviro — 1-0 — London ENG
1905 — West, Arthur George vs Kelly, Thomas J — 0-1 — Southport ENG
1905 — Shoosmith, Hector W vs Palmer, Wilfred Charles — 1/2-1/2 — Southport ENG
1905 — Sawyer Kurrle Anstey McArthur vs Lasker, Emanuel — 0-1 — Montreal CAN
7.Qc2 — 3.8% (530 parties)
1897 — Burn, Amos vs Schiffers, Emanuel — 1-0 — Berlin GER
1904 — Hodges, Albert vs Barry, Jacob — 1-0 — Cambridge
1905 — Marshall Viele, Fabrizio Aaron vs Burn, Amos — 1-0 — Barmen GER
1906 — Sjoberg, Victor vs Bernstein, Ossip — 0-1 — Stockholm SWE
1911 — Davies , Aiden vs Barnes, Randal — 1-0 — Timaru