D52g - 7.Nd2 - Cambridge Springs (1904)

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D52g — Cambridge Springs (1904)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Nd2
Les coups candidats
Ambassadeurs : Aannevik, Bjarne (16x), Pino Munoz, Francisca (16x), Palladino, Mario (16x), Jans, Antoine (16x), Sabbatini, Giuseppe (16x), Mayr, Franz (16x), Ling, Anthony (16x), Mataix Arbona, César (16x)
Ambassadeurs : Szczepanski, Zbigniew (11x), Flear, Glenn C (11x), Vul, Arkadi Eremeevich (8x), Jussupow, Artur (5x), Pinter, Jozsef (5x), Hansen, Lars Bo (5x), Mamedov, Edgar (4x), Wang, Qinxuanyi (4x)
7…Ne4 — 1.7% (106 parties)
Ambassadeurs : Kirjak, Peter (2x), Hector, Jonny (2x), Franco Raymundo, Eduardo (1x), Bialas, Wolfram (1x), OBrien, Erik Michael (1x), Benge, Donald (1x), Boleslavsky, Isaac (1x), Taimanov, Mark (1x)
7…Be7 — 1.6% (102 parties)
Ambassadeurs : Paprocka, Renata (2x), Leveikina, Jevgenija (2x), Mohamed, Islam H (1x), Aadhav Saravanan Kanchi (1x), Kierzek, Matthias, Dr. (1x), Kaulfuss, Helmut (1x), Sandstrom, Ludvig (1x), Johansson, Jan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bb4 7…dxc4 7…Ne4 7…Be7
<1800 447 74% 20% 2% 1%
1800-2200 2780 74% 21% 2% 2%
2200-2600 1975 67% 30% 2% 1%
2600+ 98 65% 34% — 1%
Évolution par décennie (% des parties)
Décennie N parties 7…Bb4 7…dxc4 7…Ne4 7…Be7
1950s 46 72% 22% 7% —
1960s 47 87% 9% 2% 2%
1970s 103 71% 19% 5% 5%
1980s 347 70% 27% 2% 1%
1990s 1111 73% 21% 2% 3%
2000s 2055 73% 23% 2% 2%
2010s 1973 73% 23% 1% 1%
2020s 580 66% 31% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bb4 73% 66% ▼ -7.6%
7…dxc4 23% 31% ▲ +8.3%
7…Ne4 1% 1% -0.1%
7…Be7 1% 1% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 8 parties
Carlsen, Magnus — 3 parties
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Gukesh D — 2 parties
Ding, Liren — 1 partie
Parties historiques
7…Bb4 — 72.2% (4524 parties)
1950 — Larsen, Ingrid vs Gresser, Gisela Kahn — 1-0 — Moscow RUS
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
1950 — Gruenfeld, Ernst vs Soluch, Leopold — 1-0 — Vienna AUT
1950 — Stonkus, Jonas vs Zalys, Ignas — 1/2-1/2 — Montreal CAN
7…dxc4 — 23.4% (1464 parties)
1950 — Moiseev, Oleg vs Panov, Vasily — 1-0 — Moscow RUS
1950 — Hantke, Rolf vs Babel, August — 1-0 — Bielefeld
1950 — Bely, Miklos vs Rethy, Pal — 1/2-1/2 — Budapest HUN
1951 — Gawon, Pang vs Choubey Saurabh — 1-0 — Curacao AHO
1951 — Szapiel, Henryk vs Karastoichev, Emil — 1/2-1/2 — Bucharest ROU
7…Ne4 — 1.7% (106 parties)
1953 — Boleslavsky, Isaac vs Taimanov, Mark — 1/2-1/2 — Garga
1955 — Franco Raymundo, Eduardo vs Bialas, Wolfram — 1/2-1/2 — Luxembourg
1959 — OBrien, Erik Michael vs Benge, Donald — 1-0 — Fresno
1966 — Thorbergsson, Freysteinn vs Ibrahimoglu, Ismet — 0-1 — Havana CUB
1971 — Platonov, Igor vs Vaganian, Rafael A — 0-1 — Leningrad ch-URS
7…Be7 — 1.6% (102 parties)
1962 — Mohamed, Islam H vs Aadhav Saravanan Kanchi — 1/2-1/2 — Varna BUL
1970 — Caro, Napoleon Alberto vs Slujssar — 1-0 — Caracas VEN
1976 — Suba, Mihai vs Atanasov, Gospodin — 1/2-1/2 — Bucharest ROU
1978 — Kierzek, Matthias, Dr. vs Kaulfuss, Helmut — 1-0 — Grosskrotzenburg
1978 — Cordes, Hans-Joerg, Dr. vs Bigot, Andreas — 1-0 — Hamburg GER