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A30n — Symmetrical Hedgehog
1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.Re1
Eval: [+0.25]
Les coups candidats
7…d6 — 34.0% (1442 parties)
Ambassadeurs : Shipov, Sergei (17x), Ornstein, Axel (9x), Nisipeanu, Liviu-Dieter (8x), Greenfeld, Alon (8x), Pogorelov, Ruslan (8x), Simantsev, Mikhail (7x), Bischoff, Klaus (6x), Spraggett, Kevin (6x)
Ambassadeurs : Ftacnik, Lubomir (18x), Akesson, Ralf (13x), Ulybin, Mikhail (12x), Browne, Walter Shawn (11x), Jurek, Josef (9x), Chuchelov, Vladimir (8x), Bar, Roman (8x), Szmetan, Jorge (6x)
7…O-O — 22.6% (957 parties)
Ambassadeurs : Danailov, Silvio (4x), Garcia Rodriguez, Raimundo (4x), Goletiani, Rusudan (4x), Apro, Adrian (4x), Wojtkiewicz, Aleksander (4x), Nadjezhdin, Dmitry (4x), Dronavalli, Harika (4x), Suba, Mihai (3x)
7…Ne4 — 13.1% (557 parties)
Ambassadeurs : Adams, Michael (8x), Ftacnik, Lubomir (8x), Yermolinsky, Alex (7x), Roeder, Matthias (7x), Astrom, Goran (6x), Perunovic, Miodrag (6x), Lysyj, Igor (6x), Vaganian, Rafael A (6x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…d6 7…d5 7…O-O 7…Ne4
<1800 28 43% 18% 18% 11%
1800-2200 823 32% 22% 33% 8%
2200-2600 2989 36% 22% 20% 14%
2600+ 150 16% 48% 4% 28%
Évolution par décennie (% des parties)
Décennie N parties 7…d6 7…d5 7…O-O 7…Ne4
1940s 1 100%
1950s 1 100%
1960s 2 50% 50%
1970s 29 28% 31% 34% 3%
1980s 163 31% 35% 21% 6%
1990s 583 34% 26% 26% 8%
2000s 1767 39% 20% 21% 13%
2010s 1413 31% 23% 23% 16%
2020s 277 22% 34% 23% 15%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…d6 31% 22% ▼ -9.1%
7…d5 23% 34% ▲ +11.3%
7…O-O 23% 23% +0.3%
7…Ne4 16% 15% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 7 parties
Carlsen, Magnus — 6 parties
Hou, Yifan — 5 parties
Karpov, Anatoly — 4 parties
Gukesh D — 4 parties
Ju, Wenjun — 3 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
7…d6 — 34.0% (1442 parties)
1977 — Suba, Mihai vs Fernandez Gonzalez, Juan Alfonso — 1/2-1/2 — Decin CZE
1977 — Kristiansen, Erling vs Bellon Lopez, Juan Manuel — 1-0 — Torremolinos ESP
1977 — Schinzel, Wladyslaw vs Adamski, Jan — 1/2-1/2 — Piotrkow Trybunalski
1978 — Speelman, Jon S vs Ornstein, Axel — 0-1 — Londen open
1978 — Piasetski, Leon vs Rohland, Michael Karl — 1-0 — Toronto ch-CAN - zt
7…d5 — 23.4% (992 parties)
1951 — Coosemans, Billy vs Boey, Josef — 1-0 — Antwerp BEL
1960 — Peterson, Andrejs vs Antoshin, Vladimir S — 1/2-1/2 — Vilnius LTU
1974 — Shirazi, Kamran vs Sharif, Mehrshad — 0-1 — Iran
1976 — Taimanov, Mark vs Jansa, Vlastimil — 1/2-1/2 — Hastings ENG
1976 — Suba, Mihai vs Adamski, Jan — 1/2-1/2 — Sandomierz Vitrobud POL
7…O-O — 22.6% (957 parties)
1948 — De Freitas, Manuela Schmitz vs Luckis, Marcos — 1-0 — Mar del Plata ARG
1968 — Skegina, Klaara vs ? — 1-0 — Ashkhabad
1975 — Bellon Lopez, Juan Manuel vs Ljubojevic, Ljubomir — 1/2-1/2 — Las Palmas ESP
1976 — Suba, Mihai vs Radovici, Corvin — 0-1 — Timisoara
1976 — Razuvaev, Yuri S vs Grigoryan, Karen A. — 1-0 — Moscow Burevestnik-S
7…Ne4 — 13.1% (557 parties)
1977 — Kirov, Nino vs Stoilov, Atanas — 1-0 — Pasardschik
1980 — Vaganian, Rafael A vs Vitolinsh, Alvis — 1/2-1/2 — Erevan ARM
1982 — Akesson, Ralf vs Fedder, Steen — 1/2-1/2 — Copenhagen DEN
1982 — Zlotnikov, Mikhail vs Wells, Peter K — 1/2-1/2 — Londen open
1983 — Welin, Thomas vs Bednarski, Jacek — 1-0 — Stockholm SWE