D10g - 6…a6 - Exchange (1917)

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D10g — Exchange (1917)
1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nc3 Nf6 5.Bf4 Nc6 6.e3 a6
Les coups candidats
7.Bd3 — 64.6% (3947 parties)
Ambassadeurs : Agathiyan Susil (30x), Vaisser, Anatoli (23x), Socko, Monika (18x), Stefanova, Antoaneta (18x), Vera Gonzalez-Quevedo, Reynaldo (14x), Koch, Christian (14x), Ivanov, Mikhail M. (12x), Kosic, Dragan (12x)
7.Be2 — 12.5% (765 parties)
Ambassadeurs : Vakhidov, Jakhongir (12x), Gunina, Valentina (9x), Azmaiparashvili, Zurab (8x), Szczepanski, Zbigniew (8x), Smirnov, Ivan P (8x), Badacsonyi, Stanley (7x), Krstulovic, Alex (6x), Livaic, Leon (6x)
7.Rc1 — 10.8% (662 parties)
Ambassadeurs : Zwardon, Vojtech (14x), Nguyen, Anh Dung (7x), Sumets, Andrey (6x), Ludgate, Alan (6x), Potapova, Margarita (6x), Lanchava, Tea (5x), Le, Quang Liem (5x), Moskalenko, Viktor (5x)
Ambassadeurs : Komliakov, Viktor (4x), Vadasz, Laszlo (3x), Taus, Martin (3x), Kolesar, Milan (3x), Kosic, Dragan (3x), Hajnal, Zoltan (3x), Nguyen, Anh Dung (3x), Samadara, Yohance Tonci (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Bd3 7.Be2 7.Rc1 7.Nf3
<1800 283 61% 10% 7% 16%
1800-2200 2244 66% 11% 11% 9%
2200-2600 3200 65% 14% 11% 9%
2600+ 197 56% 18% 18% 5%
Évolution par décennie (% des parties)
Décennie N parties 7.Bd3 7.Be2 7.Rc1 7.Nf3
1950s 2 50% — — 50%
1960s 3 33% — — 67%
1970s 3 100% — — —
1980s 28 86% — 4% 11%
1990s 470 75% 3% 6% 12%
2000s 1173 72% 2% 13% 9%
2010s 2902 67% 11% 11% 9%
2020s 1528 51% 27% 10% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Bd3 67% 51% ▼ -15.3%
7.Be2 11% 27% ▲ +15.9%
7.Rc1 11% 10% ▼ -0.7%
7.Nf3 9% 10% ▲ +0.8%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 4 parties
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Kramnik, Vladimir — 2 parties
Kasparov, Garry — 2 parties
Parties historiques
7.Bd3 — 64.6% (3947 parties)
1950 — Collet, Hugo vs Wagschal, Philippe — 1-0 — Aix en Provence
1967 — Peev, Peicho vs Radovici, Corvin — 1/2-1/2 — Sofia BUL
1975 — Zhitkus, R. vs Chebanenko, Vecheslav — 1/2-1/2 — Riga LAT
1978 — Cardoso, Radolfo Tan vs Sharif, Mehrshad — 1/2-1/2 — Wellington Wellington NZL
1979 — Hausner, Ivan vs Mihaljcisin, Mihajlo — 1/2-1/2 — Prague CZE
7.Be2 — 12.5% (765 parties)
1993 — Azmaiparashvili, Zurab vs Akopian, Vladimir — 1/2-1/2 — Wijk aan Zee open
1993 — Azmaiparashvili, Zurab vs Morovic Fernandez, Ivan — 1/2-1/2 — Las Palmas ESP
1993 — Piskov, Yury vs Navrotescu, Catalin — 1-0 — Romania
1993 — Azmaiparashvili, Zurab vs Anand, Viswanathan — 1/2-1/2 — Las Palmas ESP
1997 — Plueg, Andreas vs Iordachescu, Viorel — 0-1 — Berlin GER
7.Rc1 — 10.8% (662 parties)
1982 — Velikov, Petar vs Malich, Burkhard, Dr. — 1/2-1/2 — Zinnowitz GER
1991 — Bern, Ivar vs Gausel, Einar J — 1/2-1/2 — Gjovik
1992 — Shirov, Alexei vs Petursson, Margeir — 1/2-1/2 — ?
1992 — Shirov, Alexei vs Petursson, Margeir — 1/2-1/2 — Reykjavik ISL
1992 — Blokh, M. vs Berggreen, Anders J — 1-0 — ICCF
7.Nf3 — 9.4% (577 parties)
1950 — Collet, Hugo vs Niemi, Reino — 1/2-1/2 — Dubrovnik olm
1961 — Henneberke, Frans vs Johannessen, Svein — 1-0 — Zevenaar NED
1961 — Henneberke, Frans vs Johannessen, Svein — 1-0 — Zevenaar
1986 — Andrianov, Nikolai vs Fedorov, Vladislav — 1-0 — Moscow RUS
1987 — Szmacinska, Grazyna vs Maksimovic, Suzana — 1/2-1/2 — Sochi RUS