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D20o — Central Variation, Alekhine System
1.d4 d5 2.c4 dxc4 3.e4 Nf6
Les coups candidats
Ambassadeurs : Karpov, Anatoly (18x), Yakovich, Yuri (17x), Van Wely, Loek (16x), Nikolic, Predrag (15x), Greenfeld, Alon (15x), Korchnoi, Viktor (14x), Alekseenko, Kirill (14x), Andrason, Karl Oddur (13x)
Ambassadeurs : Jonkman, Harmen (5x), Skembris, Spyridon (4x), Arkell, Keith C (4x), Lahlum, Hans Olav (4x), Grivas, Efstratios (3x), Wahjuwidajat, Utut Adianto (3x), Fedder, Steen (3x), Garcia Palermo, Carlos Horacio (3x)
4.f3 — 0.5% (16 parties)
Ambassadeurs : McCracken, David (1x), Chris Gardner (1x), Jakab, Attila (1x), Spielmann, Alain (1x), Bratchenko, Alexander (1x), Yagupov, Igor (1x), Glud, Jakob Vang (1x), Fossum, Oystein Boyum (1x)
4.Bxc4 — 0.1% (4 parties)
Ambassadeurs : Berdhold, Sarah (1x), Laingen, Lars (1x), Brauner, Simon (1x), Huschebeck, Antonia (1x), Afanasyev, Viktor Alekseevich (1x), Chirkov, Vasily Veniaminovic (1x), Palencia, W (1x), Oblitas, Carlomagno (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.e5 4.Nc3 4.f3 4.Bxc4
<1800 219 42% 56% 2%
1800-2200 797 77% 22% 1%
2200-2600 1726 90% 10% 0% 0%
2600+ 230 99% 1%
Évolution par décennie (% des parties)
Décennie N parties 4.e5 4.Nc3 4.f3 4.Bxc4
1950s 1 100%
1960s 5 60% 40%
1970s 11 64% 36%
1980s 149 72% 28%
1990s 609 75% 24% 0% 0%
2000s 933 72% 27% 1%
2010s 1238 84% 15% 0% 0%
2020s 479 83% 16% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.e5 84% 83% ▼ -0.8%
4.Nc3 15% 16% +0.4%
4.f3 0% 1% +0.2%
4.Bxc4 0% 0% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Ding, Liren — 5 parties
Kramnik, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 2 parties
Karpov, Aleksandr — 1 partie
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
4.e5 — 78.5% (2689 parties)
1960 — Mititelu, Gheorghe vs Clarke, Peter — 1/2-1/2 — Budapest HUN
1961 — Gheorghiu, Florin vs Pfleger, Helmut, Dr. — 1/2-1/2 — The Hague NED
1967 — Korchnoi, Viktor vs Suetin, Alexey S — 1-0 — Budva MNE
1973 — Avner, Uri vs Rosenberg, Arie — 0-1 — Netanya ISR
1974 — Wall, Bill vs Barton, Steve — 1/2-1/2 — ?
4.Nc3 — 20.8% (713 parties)
1959 — Collins, Paul H vs Collins, Richard — 0-1 — Hayes
1963 — Horberg, Bengt-Eric vs Nilsson, Zandor — 1-0 — Stockholm SWE
1966 — Frumson, Yury vs Ussakovsky — 1-0 — Moscow RUS
1970 — Bilo, Heinz vs Ophoff, Rigobert — 1-0 — Moeller Werke
1973 — Partos, Charles vs Danet, Nicolae — 1/2-1/2 — Bucharest ROU
4.f3 — 0.5% (16 parties)
1994 — McCracken, David vs Chris Gardner — 1-0 — USAT West
1999 — Jakab, Attila vs Spielmann, Alain — 1/2-1/2 — Budapest HUN
1999 — Bratchenko, Alexander vs Yagupov, Igor — 1/2-1/2 — Russia Cup op
2000 — Glud, Jakob Vang vs Fossum, Oystein Boyum — 1/2-1/2 — Espoo
2002 — Kudischewitsch, David vs Deutsch, Eyal — 1-0 — Tel Aviv ISR
4.Bxc4 — 0.1% (4 parties)
1997 — Berdhold, Sarah vs Laingen, Lars — 1/2-1/2 — Biedenkopf
1998 — Brauner, Simon vs Huschebeck, Antonia — 1-0 — Osterode
2012 — Afanasyev, Viktor Alekseevich vs Chirkov, Vasily Veniaminovic — 0-1 — ICCF
2025 — Palencia, W vs Oblitas, Carlomagno — 0-1 — Coimbatore IND