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

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D81a — Early Russian Variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3
Les coups candidats
4…dxc4 — 90.9% (1460 parties)
Ambassadeurs : Ferre Pérez, Alberto (18x), Yakovich, Yuliya (10x), Babula, Vlastimil (10x), Sadzikowski, Daniel (10x), De la Calle, Israel (10x), Zakharchenko, Alexander (7x), Potpara, Nikola (7x), Malin, Denis Sergeevich (7x)
4…c6 — 7.3% (117 parties)
Ambassadeurs : Reshevsky, Samuel (7x), Mikenas, Vladas (5x), Flohr, Salo (5x), Makogonov, Vladimir (3x), Lilienthal, Andor (3x), Landau, Salo (3x), Purdy, Cecil J S (2x), Zagoriansky, Evgeny (2x)
4…Bg7 — 0.6% (10 parties)
Ambassadeurs : Botvinnik, Mikhail (1x), Levenfish, Grigory (1x), Karolyi, Tibor (1x), Ivanchuk, Vasyl (1x), Jenkins, Keith (1x), Ferris, Shaun (1x), Wcislo, Damian (1x), Kowalski, Lukasz (1x)
4…e6 — 0.6% (9 parties)
Ambassadeurs : Grajales Hahn, David (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 39 85% 10% 3% 3%
1800-2200 523 90% 8% 1% 1%
2200-2600 623 96% 2% 1% 0%
2600+ 68 97% 1% — —
Évolution par décennie (% des parties)
Décennie N parties 4…dxc4 4…c6 4…Bg7 4…e6
1930s 52 50% 48% 2% —
1940s 57 81% 19% — —
1950s 19 89% 11% — —
1960s 40 90% 10% — —
1970s 28 82% 11% — 7%
1980s 27 81% 15% 4% —
1990s 133 93% 6% — —
2000s 360 92% 5% 1% 1%
2010s 743 93% 5% 1% 1%
2020s 147 97% 3% — 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…dxc4 93% 97% ▲ +3.3%
4…c6 5% 3% ▼ -2.4%
4…Bg7 1% 0% ▼ -0.5%
4…e6 1% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 5 parties
Alekhine, Alexander — 5 parties
Botvinnik, Mikhail — 4 parties
Carlsen, Magnus — 3 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
4…dxc4 — 90.9% (1460 parties)
1935 — Euwe, Max vs Alekhine, Alexander — 1-0 — Ch World (match)
1935 — Rabinovich, Alexander vs Ragozin, Viacheslav — 0-1 — Leningrad consult
1935 — Euwe, Max vs Alekhine, Alexander — 1-0 — Amsterdam wch-m
1935 — Euwe, Max vs Alekhine, Alexander — 1-0 — Ch World (match)
1935 — Euwe, Max vs Alekhine, Alexander — 1-0 — Amsterdam wch-m
4…c6 — 7.3% (117 parties)
1935 — Flohr, Salo vs Alatortsev, Vladimir N. — 1/2-1/2 — Moskou
1935 — Levenfish, Grigory vs Flohr, Salo — 1/2-1/2 — Moskou
1935 — Levenfish, Grigory vs Spielmann, Rudolf — 1/2-1/2 — Moskou
1936 — Zagoriansky, Evgeny vs Belavenets, Sergey — 0-1 — Moscow RUS
1936 — Knoppers, Th vs Gibaud, A. — 1-0 — Madrid ESP
4…Bg7 — 0.6% (10 parties)
1933 — Botvinnik, Mikhail vs Levenfish, Grigory — 1-0 — Leningrad RUS
1988 — Karolyi, Tibor vs Ivanchuk, Vasyl — 0-1 — Lvov UKR
2001 — 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
4…e6 — 0.6% (9 parties)
1977 — Grajales Hahn, David 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