D81a - 4…* - Russian Variation, Accelerated Variation (1935)

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D81a — Russian Variation, Accelerated Variation (1935)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3
Les coups candidats
4…dxc4 — 92.7% (1415 parties)
Ambassadeurs : Ferre Pérez, Alberto (18x), Babula, Vlastimil (11x), Yakovich, Yuri (10x), De la Calle, Israel (10x), Sadzikowski, Daniel (10x), Aleksandrov, Viktor A. (9x), Zakharchenko, Alexander (8x), Potpara, Nikola (7x)
4…c6 — 5.5% (84 parties)
Ambassadeurs : Malich, Burkhard, Dr. (2x), Ree, Hans (2x), Csizmadia, Csaba (2x), Cyfka, Karina (2x), Hayes, Richard Thomas (1x), Zalys, Ignas (1x), Fairhurst, William (1x), Walsh, Chris (1x)
4…Bg7 — 0.6% (9 parties)
Ambassadeurs : Karolyi, Tibor (1x), Ivanchuk, Vasyl (1x), Jenkins, Keith (1x), Ferris, Shaun (1x), Aleksandrov, Viktor A. (1x), Sakalauskas, Vaidas (1x), Wcislo, Damian (1x), Kowalski, Lukasz (1x)
4…e6 — 0.6% (9 parties)
Ambassadeurs : Hahn, Alexander (1x), Weiss, Ernst (1x), Daniluk, Jerzy (1x), Myslowski, Karol (1x), Windelband, Jens (1x), Korchagina, Viktoria (1x), Horak, Karel (1x), Knize, Vaclav (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…dxc4 4…c6 4…Bg7 4…e6
<1800 74 85% 11% 3% 1%
1800-2200 614 91% 7% 0% 1%
2200-2600 573 96% 2% 1% —
2600+ 67 99% — — —
Évolution par décennie (% des parties)
Décennie N parties 4…dxc4 4…c6 4…Bg7 4…e6
1950s 19 89% 11% — —
1960s 41 90% 10% — —
1970s 28 82% 11% — 7%
1980s 27 81% 15% 4% —
1990s 134 93% 6% — —
2000s 361 92% 5% 1% 1%
2010s 748 93% 5% 1% 1%
2020s 169 96% 4% — 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…dxc4 93% 96% ▲ +2.7%
4…c6 5% 4% ▼ -1.7%
4…Bg7 1% 0% ▼ -0.5%
4…e6 1% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 3 parties
Botvinnik, Mikhail — 2 parties
Kramnik, Vladimir — 1 partie
Parties historiques
4…dxc4 — 92.7% (1415 parties)
1950 — Bolbochan, Jacobo vs Pilnik, Herman — 1/2-1/2 — Mar del Plata ARG
1950 — Hendricks, Benjamin vs CHUKS, Smith Daniel — 0-1 — Atascadero, CA
1950 — Bely, Miklos vs Molnar, Istvan — 0-1 — Budapest HUN
1951 — Troianescu, Octav vs Partyka, Kazimierz — 1-0 — Sopot
1951 — Donovan, Jeremiah vs Bills, William — 1-0 — Forth Worth
4…c6 — 5.5% (84 parties)
1950 — Hayes, Richard Thomas vs Zalys, Ignas — 0-1 — cr Golden Knights
1958 — Fairhurst, William vs Walsh, Chris — 1-0 — Munich GER
1963 — Cobo Arteaga, Eldis vs Calero, Carlos — 1/2-1/2 — Havana CUB
1963 — Keres, Paul vs Olafsson, Fridrik — 1-0 — Los Angeles, CA USA
1964 — Musolino, Anna vs Silli, Ana-Maria — 0-1 — corr Italy
4…Bg7 — 0.6% (9 parties)
1988 — Karolyi, Tibor vs Ivanchuk, Vasyl — 0-1 — Lvov UKR
2002 — Jenkins, Keith vs Ferris, Shaun — 1-0 — Melbourne AUS
2006 — Le Roux, Jean-Pierre vs Pedersen, Jan Rode — 1-0 — Hastings ENG
2008 — Wcislo, Damian vs Kowalski, Lukasz — 1-0 — Gorzow Wielkopolski
2009 — Aleksandrov, Viktor A. vs Sakalauskas, Vaidas — 1-0 — Warsaw POL
4…e6 — 0.6% (9 parties)
1977 — Hahn, Alexander vs Weiss, Ernst — 1-0 — corr ch-DDR
1978 — Daniluk, Jerzy vs Myslowski, Karol — 1-0 — Warsaw POL
2005 — Windelband, Jens vs Korchagina, Viktoria — 1-0 — St Petersburg RUS
2005 — Horak, Karel vs Knize, Vaclav — 1/2-1/2 — Sec u Chrudimi
2012 — Blinchevsky, Alexander vs Andrucis, Maris — 1-0 — FICGS