D52b - 6…Qa5 - Cambridge Springs Defence (1904)

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D52b — Cambridge Springs Defence (1904)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5
Les coups candidats
Ambassadeurs : Smagin, Sergey (22x), Aannevik, Bjarne (16x), Pino Munoz, Francisca (16x), Palladino, Mario (16x), Jans, Antoine (16x), Sabbatini, Giuseppe (16x), Mayr, Franz (16x), Ling, Anthony (16x)
Ambassadeurs : Szczepanski, Zbigniew (15x), Wiesinger, Johann (15x), Dreev, Aleksey (12x), Blagojevic, Dragisa (11x), Malakhatko, Vadim (10x), Moiseenko, Alexander (9x), Korneva, Marina (9x), Raicevic, Vladimir (8x)
Ambassadeurs : Gimber, Robert (5x), Zalys, Ignas (4x), Wasnetsky, Ursula (4x), Geracik, Rudolf (4x), Timar, Zsolt (4x), Hrubsa, Marian (4x), Malich, Burkhard, Dr. (3x), Blachmann, Horst (3x)
7.Qc2 — 3.9% (522 parties)
Ambassadeurs : Bernal Tinajero, Julio (2x), Hoeferlin, Felix (2x), Wenninger, Philipp (2x), Anderson, Barton (1x), Collins, Richard (1x), Wright, Ralph Frederick G (1x), Abiolla James (1x), Bathelt, Wolf-Dieter (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Nd2 7.cxd5 7.Bxf6 7.Qc2
<1800 1164 38% 16% 20% 4%
1800-2200 5984 47% 19% 21% 5%
2200-2600 3680 54% 36% 7% 1%
2600+ 223 44% 54% 0% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.Nd2 7.cxd5 7.Bxf6 7.Qc2
1950s 93 49% 27% 13% 4%
1960s 136 35% 34% 25% 3%
1970s 207 50% 20% 21% 2%
1980s 661 53% 24% 12% 3%
1990s 2410 46% 15% 20% 6%
2000s 4461 46% 20% 18% 4%
2010s 4364 45% 29% 15% 3%
2020s 1154 50% 34% 9% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Nd2 45% 50% ▲ +5.0%
7.cxd5 29% 34% ▲ +5.1%
7.Bxf6 15% 9% ▼ -6.0%
7.Qc2 3% 2% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 8 parties
Carlsen, Magnus — 8 parties
Ding, Liren — 5 parties
Ju, Wenjun — 2 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
7.Nd2 — 46.5% (6268 parties)
1950 — Larsen, Ingrid vs Gresser, Gisela Kahn — 1-0 — Moscow RUS
1950 — Moiseev, Oleg vs Panov, Vasily — 1-0 — Moscow RUS
1950 — Hantke, Rolf vs Babel, August — 1-0 — Bielefeld
1950 — Siegel, Paul vs Heymann, Samuel — 1/2-1/2 — Bad Pyrmont GER
1950 — Alfred, Le Bron vs Heymann, Samuel — 1-0 — Bad Pyrmont GER
7.cxd5 — 23.6% (3177 parties)
1950 — Trifunovic, Petar vs Bergqvist, Allan — 0-1 — Dubrovnik olm
1950 — Van den Berg, Carel B vs Stahlberg, Gideon — 0-1 — Amsterdam NED
1951 — Acoltzi Ruiz, Mariana vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1951 — Negyesy, Gyorgy vs Gracs, Pal — 1/2-1/2 — Hungary ch
1951 — Esposito, Alfredo vs Schroeder, Raik — 0-1 — Mar del Plata ARG
7.Bxf6 — 16.4% (2211 parties)
1950 — Hermanova, Roza vs Langos, Jozsa — 1/2-1/2 — Moscow RUS
1950 — Benini, Clarice vs Gresser, Gisela Kahn — 0-1 — Moscow RUS
1950 — Gereben, Erno vs Rethy, Pal — 1-0 — Budapest HUN
1950 — Troeger, Paul vs Heymann, Samuel — 1-0 — FRG-ch Bad Pyrmont GER
1951 — Tipary, Lajos vs Gracs, Pal — 1-0 — Hungary ch
7.Qc2 — 3.9% (522 parties)
1950 — Wright, Ralph Frederick G vs Abiolla James — 0-1 — Southsea
1950 — Genereux, Paul vs Fisk, Michael — 1-0 — Edmonton CAN
1957 — Bathelt, Wolf-Dieter vs Leutz, Hans — 0-1 — GER
1959 — Roos, Michel vs Westman, Jan Erik — 1-0 — Budapest HUN
1960 — Cuasnicu, Oscar vs Gallo, Raymart — 0-1 — Azul ch-ARG jr