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A30b — Symmetrical Variation (1926)
1.c4 c5 2.Nf3
Les coups candidats
Ambassadeurs : Cramling, Pia (64x), De Firmian, Nick (59x), Ernst, Thomas (55x), Uhlmann, Wolfgang (54x), Vachier-Lagrave, Maxime (54x), Andersson, Ulf (51x), Wedberg, Tom (50x), Korchnoi, Viktor (45x)
Ambassadeurs : Suba, Mihai (112x), Korchnoi, Viktor (104x), Uhlmann, Wolfgang (97x), Gheorghiu, Florin (91x), Andersson, Ulf (90x), Portisch, Lajos (87x), Ribli, Zoltan (84x), Browne, Walter Shawn (76x)
Ambassadeurs : Andersson, Ulf (50x), Espig, Lutz (48x), Sermek, Drazen (44x), Velimirovic, Dragoljub (36x), Wojtkiewicz, Aleksander (34x), Ivkov, Borislav (32x), Gheorghiu, Florin (32x), Adamski, Jan (27x)
Ambassadeurs : Csom, Istvan (29x), Kudrin, Sergey (27x), Pantsulaia, Levan (19x), Kovacevic, Slobodan (16x), Cicak, Slavko (16x), Erdelyi, Tamas Dr (16x), Gurevich, Dmitry (12x), Konopka, Michal (12x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…Nc6 2…Nf6 2…g6 2…b6
<1800 3034 46% 33% 12% 2%
1800-2200 22448 45% 34% 14% 3%
2200-2600 37047 43% 34% 17% 3%
2600+ 2418 49% 41% 9% 1%
Évolution par décennie (% des parties)
Décennie N parties 2…Nc6 2…Nf6 2…g6 2…b6
1950s 203 35% 47% 14% —
1960s 676 36% 29% 33% 0%
1970s 2345 25% 46% 26% 2%
1980s 4471 24% 55% 14% 4%
1990s 10997 37% 40% 16% 4%
2000s 18603 42% 35% 15% 4%
2010s 25387 50% 31% 14% 3%
2020s 8603 51% 30% 15% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…Nc6 50% 51% ▲ +1.1%
2…Nf6 31% 30% ▼ -0.5%
2…g6 14% 15% ▲ +0.9%
2…b6 3% 2% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Karpov, Aleksandr — 1 partie
Parties historiques
2…Nc6 — 43.5% (30983 parties)
1950 — Dake, Arthur William vs Puc, Stojan — 0-1 — USA-Yugoslavia
1950 — Castillo Bermudez, Manuel vs Letelier Martner, Rene — 1-0 — Venice ITA
1950 — Ekenberg, Bengt vs Johansson, Inge V — 1-0 — ?
1950 — Babel August vs Osterwald, Karl Heinz — 1-0 — ?
1950 — Bachmann, Philipp vs Aditya Balu Jadhav — 1/2-1/2 — Lucerne SUI
2…Nf6 — 35.2% (25114 parties)
1950 — Kottnauer, Cenek vs Greenfeld, Alon — 1-0 — Schiavno Zdroj
1950 — Napolitano, Matteo vs ADAM ELAMAIREH — 0-1 — corr Wch1
1950 — Gawliczek, Andreas vs Taimanov, Mark — 0-1 — Schiavno Zdroj
1950 — Flohr, Salo vs Keres, Paul — 0-1 — Moskou ch-URS
1950 — Werner, Stephan vs Osterwald, Karl Heinz — 1-0 — ?
2…g6 — 15.3% (10926 parties)
1952 — Levenfish, Grigory vs Novotelnov, Nikolai — 0-1 — Sochi RUS
1955 — Flesch, Janos vs Ivanfi, Kalman — 1-0 — Pecs
1955 — Franz, Joachim vs Eising, Johannes — 1-0 — Zwickau
1955 — Parak, Frantisek vs Ujtelky, Maximilian — 1-0 — Prague CZE
1956 — Stahlberg, Gideon vs Miguel, Nahuel — 1/2-1/2 — Moscow RUS
2…b6 — 2.9% (2074 parties)
1969 — Toran Albero, Roman vs Bellon Lopez, Juan Manuel — 1/2-1/2 — Olot
1970 — Fanjul Garcia-San Miguel, Jose Luis vs Bellon Lopez, Juan Manuel — 0-1 — Aviles ESP
1973 — Polugaevsky, Lev vs Ljubojevic, Ljubomir — 1/2-1/2 — Hilversum NED
1973 — Lehmann, Heinz vs Enklaar, Bert — 1/2-1/2 — Maspalomas tt
1974 — Uhlmann, Wolfgang vs Fichtl, Jiri — 1-0 — Halle GER