D85u - 4…Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 c5 8.Be3 Qa5 - Modern Exchange (1947)

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D85u — Modern Exchange
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 c5 8.Be3 Qa5
Les coups candidats
Ambassadeurs : Ftacnik, Lubomir (25x), Khenkin, Igor (23x), Palladino, Mario (20x), Ikonnikov, Vyacheslav (18x), Hoi, Carsten (15x), Bosiocic, Marin (15x), Sutovsky, Emil (14x), Ederer, Karel (14x)
9.Nd2 — 8.7% (389 parties)
Ambassadeurs : Berkes, Ferenc (6x), Stocek, Jiri (5x), Prystenski, Arthur (4x), Svidler, Peter (4x), Korobov, Anton (4x), Wiersma, Eelke (4x), Sundqvist, Christer (4x), Vorobiov, Evgeny E. (4x)
9.Bd2 — 5.6% (253 parties)
Ambassadeurs : Matamoros Franco, Carlos S. (7x), Popovics, Adam (7x), Volodin, Aleksandr (6x), Stocek, Jiri (5x), Ivanov, Sergey (4x), Girya, Olga (4x), Ederer, Karel (4x), Beliavsky, Alexander G (3x)
9.Qb3 — 0.8% (35 parties)
Ambassadeurs : Ubaldo Suarez, Maria Gisela (2x), Borowski, Piotr (1x), De Meyer, Alexander (1x), Guerra Arias, Victoriano Jose (1x), Alvarez Moreno, Javier (1x), Diaz Patete, Milagros del Valle (1x), Sequeda Mendoza, Nancy Stella (1x), Zuri, Amin-Barin (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Qd2 9.Nd2 9.Bd2 9.Qb3
<1800 93 81% 2% 12% 3%
1800-2200 1338 84% 8% 6% 2%
2200-2600 2418 86% 9% 5% 0%
2600+ 260 76% 19% 5% —
Évolution par décennie (% des parties)
Décennie N parties 9.Qd2 9.Nd2 9.Bd2 9.Qb3
1930s 3 100% — — —
1940s 1 — — 100% —
1950s 1 — — — 100%
1970s 7 86% — 14% —
1980s 211 91% 1% 7% —
1990s 215 86% 3% 9% 1%
2000s 771 90% 0% 8% 1%
2010s 2408 80% 13% 6% 1%
2020s 871 89% 8% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Qd2 80% 89% ▲ +9.3%
9.Nd2 13% 8% ▼ -5.1%
9.Bd2 6% 2% ▼ -3.9%
9.Qb3 1% 1% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 8 parties
Kasparov, Garry — 7 parties
Ding, Liren — 3 parties
Anand, Viswanathan — 2 parties
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
9.Qd2 — 84.5% (3792 parties)
1933 — Koshnitsky, Gregory vs Crowl, Frank Arthur — 1/2-1/2 — Sydney AUS
1936 — Zinner, Emil vs Crepeaux, Robert — 1-0 — Munich GER
1939 — Page, George vs Winter, William — 1/2-1/2 — Aberdeen SCO
1970 — Bergemann Uwe vs Lachmann, Hans G — 0-1 — Moeller Werke
1971 — Napolitano, Mario vs Arnlind, Eric — 1/2-1/2 — Corr corr.
9.Nd2 — 8.7% (389 parties)
1981 — Kuligowski, Adam vs Adorjan, Andras — 1/2-1/2 — New York, NY USA
1989 — Sek, Zbigniew vs Namark, Lennart — 1/2-1/2 — corr
1990 — Vanheste, Jeroen vs Tukmakov, Vladimir B — 0-1 — Ostende open
1991 — Nikcevic, Nebojsa vs Dzevlan, Miralem — 1-0 — Banja Vrucica BIH
1992 — Marinkovic, Slavisa vs Kostic, Nebojsa G — 1/2-1/2 — Kladovo
9.Bd2 — 5.6% (253 parties)
1947 — Kreisberg, Leon vs Rossetto, Hector — 0-1 — Vina del Mar CHI
1979 — Mercier, Jean-Pierre vs Kouatly, Bachar — 1-0 — Courchevel
1980 — Grigoryan, Karen A. vs Gorelov, Sergey G — 1-0 — Moscow RUS
1980 — Gligoric, Sofija vs Smejkal, Jakub — 1/2-1/2 — Baden-Baden GER
1980 — Keene, Raymond D vs Chandler, Murray G — 1/2-1/2 — New York, NY USA
9.Qb3 — 0.8% (35 parties)
1950 — Borowski, Piotr vs De Meyer, Alexander — 1/2-1/2 — Bielefeld
1998 — Guerra Arias, Victoriano Jose vs Alvarez Moreno, Javier — 0-1 — Loures POR
1998 — Ubaldo Suarez, Maria Gisela vs Diaz Patete, Milagros del Valle — 1-0 — Isla Marg PANAM jrW
1998 — Ubaldo Suarez, Maria Gisela vs Sequeda Mendoza, Nancy Stella — 0-1 — Isla Marg PANAM jrW
2000 — Ulbrich, Luis Roberto vs Urquiza, Jose Javier — 0-1 — ?