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D13p — Exchange
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 e6
Les coups candidats
Ambassadeurs : Smyslov, Vasily (20x), Dreev, Aleksey (20x), Hort, Vlastimil (19x), Ivkov, Borislav (16x), Bak, Istvan (15x), Malich, Burkhard, Dr. (15x), Petrosian, Tigran V. (11x), Damjanovic, Mato (11x)
7.a3 — 2.8% (124 parties)
Ambassadeurs : Nguyen, Thanh Son (2x), Reuben, Stewart (1x), Hawson, John B (1x), Musmann, Lothar (1x), Lohmann, Heinrich (1x), Ivanov, Yuri (1x), Gavriljanchuk, Dmitry (1x), Inacia Adriela dos Santos Goncalves (1x)
7.Rc1 — 1.0% (45 parties)
Ambassadeurs : Biyiasas, Peter (1x), Olafsson, Helgi (1x), Schlaugat, Michael (1x), Schippmann, K. (1x), Bartel, Mateusz (1x), Steclik, Przemyslaw (1x), Garfinkel, Jevgeni (1x), Takalo-Eskola, Anssi (1x)
7.h3 — 0.7% (33 parties)
Ambassadeurs : Storslett, Roald (2x), Gonzalez, Ian (1x), Palacios , Celina Maria (1x), Kelly, Brian (1x), Regular (1x), Claes, Jef (1x), De Wel, Herman (1x), Binder, Karl (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.e3 7.a3 7.Rc1 7.h3
<1800 246 89% 8% 2% 1%
1800-2200 1690 93% 4% 1% 1%
2200-2600 1706 98% 1% 1% 0%
2600+ 30 97% — 3% —
Évolution par décennie (% des parties)
Décennie N parties 7.e3 7.a3 7.Rc1 7.h3
1950s 60 98% 2% — —
1960s 178 99% 1% — —
1970s 208 100% — 0% —
1980s 376 99% 1% 0% 1%
1990s 995 96% 3% 0% 1%
2000s 1258 93% 4% 1% 1%
2010s 1148 93% 3% 2% 1%
2020s 182 93% 4% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.e3 93% 93% +0.1%
7.a3 3% 4% +0.4%
7.Rc1 2% 2% -0.0%
7.h3 1% 1% +0.3%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 7 parties
Tal, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7.e3 — 95.1% (4187 parties)
1950 — Gudmundsson, Gudbjartur vs Kottnauer, Cenek — 1/2-1/2 — Amsterdam NED
1950 — Pospisil, Jachym vs Vesely, Jiri — 0-1 — Chocen
1950 — Walther, Edgar vs Geis, Emil — 1/2-1/2 — cr.
1950 — Napolitano, Matteo vs Mitchell, Graham — 1-0 — corr Wch1
1950 — Lipnitsky, Isaac vs Smyslov, Vladimir — 1-0 — USSR
7.a3 — 2.8% (124 parties)
1955 — Musmann, Lothar vs Lohmann, Heinrich — 0-1 — Bochum GER
1961 — Reuben, Stewart vs Hawson, John B — 0-1 — Aberystwyth
1984 — Inacia Adriela dos Santos Goncalves vs Clarke, Caleb — 1-0 — Thessaloniki GRE
1987 — Ivanov, Yuri vs Gavriljanchuk, Dmitry — 1/2-1/2 — ?
1991 — Hartmann, Udo vs Reinhardt, Ralph — 0-1 — cr.
7.Rc1 — 1.0% (45 parties)
1977 — Biyiasas, Peter vs Olafsson, Helgi — 1/2-1/2 — New York, NY USA
1985 — Schlaugat, Michael vs Schippmann, K. — 1-0 — cr.
1994 — Kuehne, Klaus-Dieter vs Elsing, Jan — 1-0 — GER
1996 — Bartel, Mateusz vs Steclik, Przemyslaw — 1/2-1/2 — Poznan POL
1996 — Schulze Bisping, Franz-Adolf vs Tubis, Reiner — 1/2-1/2 — GER
7.h3 — 0.7% (33 parties)
1983 — Gonzalez, Ian vs Palacios , Celina Maria — 1-0 — cr.
1987 — Kelly, Brian vs Regular — 0-1 — Aalborg DEN
1992 — Pcola, Pavol vs Vavra, Pavel — 1/2-1/2 — CSR-ch Prague CZE
1994 — Binder, Karl vs Zauner, Josef Martin — 1/2-1/2 — Regionalliga SO9495
1997 — Prosch, Stephan vs Riewe, Gerhard — 1/2-1/2 — Hamburg GER