A30p - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3 O-O 8.Bb2 d6 - Symmetrical Hedgehog

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A30p — Symmetrical Hedgehog
1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3 O-O 8.Bb2 d6
Les coups candidats
9.d4 — 42.6% (583 parties)
Ambassadeurs : Kekki, Jorma (4x), Taimanov, Mark (3x), Horvath, Tamas (3x), Wenner, Tobias (3x), Tania, Sachdev (3x), Colle, Edgar (2x), Barbeau, Sylvain (2x), Buchholz, Maja Patricia (2x)
9.e3 — 37.4% (512 parties)
Ambassadeurs : Kasparov, Garry (5x), Csom, Istvan (5x), Karlsson, Lars 1937 (4x), Poldauf, Dirk (4x), Bruzon Batista, Lazaro (4x), Plachetka, Jan (4x), Plaskett, H James (3x), Ribli, Zoltan (3x)
9.Re1 — 6.5% (89 parties)
Ambassadeurs : Miles, Anthony J (2x), Kindermann, Stefan (2x), Aceros Rodriguez, Oscar Leonardo (1x), Contin, Daniel (1x), Servat, Roberto (1x), Becker, Marc (1x), Riediger, Martin (1x), Welin, Thomas (1x)
9.d3 — 5.5% (75 parties)
Ambassadeurs : Ftacnik, Lubomir (3x), Suba, Mihai (2x), Kowohl, Andreas (2x), Smejkal, Jan (2x), Chernin, Alexander (1x), Pazos Gambarrotti, Plinio (1x), Dorfman, Iossif (1x), Zsinka, Laszlo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.d4 9.e3 9.Re1 9.d3
<1800 11 45% 27% 9% 9%
1800-2200 390 43% 33% 8% 6%
2200-2600 821 44% 40% 6% 5%
2600+ 27 15% 85% — —
Évolution par décennie (% des parties)
Décennie N parties 9.d4 9.e3 9.Re1 9.d3
1920s 3 67% — — —
1930s 1 — — — —
1940s 2 50% 50% — —
1950s 1 — — — —
1960s 4 100% — — —
1970s 52 44% 23% 6% 12%
1980s 171 34% 41% 8% 9%
1990s 207 44% 33% 4% 8%
2000s 370 41% 42% 5% 6%
2010s 448 44% 38% 8% 3%
2020s 110 53% 31% 9% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.d4 44% 53% ▲ +9.2%
9.e3 38% 31% ▼ -7.5%
9.Re1 8% 9% ▲ +1.5%
9.d3 3% 3% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 6 parties
Carlsen, Magnus — 4 parties
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
9.d4 — 42.6% (583 parties)
1927 — Nimzowitsch, Aron vs Colle, Edgar — 1/2-1/2 — Bad Niendorf
1928 — Euwe, Max vs Colle, Edgar — 1/2-1/2 — Amsterdam m
1940 — Goldberg, Grigory A vs Zhukhovitsky, Samuel — 1-0 — Kiev UKR
1960 — Viner, Phillip vs Hanks, John — 1-0 — Adelaide AUS
1967 — Lilein vs Zotkin, Yuri P — 0-1 — USSR
9.e3 — 37.4% (512 parties)
1944 — Rokhlin, Yakov Geraisimovich vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
1975 — Schmidt, Waldemar vs Andersson, Ulf — 1/2-1/2 — Pula CRO
1976 — Stean, Michael F vs Bellon Lopez, Juan Manuel — 1-0 — Montilla Moriles
1976 — Spassov, Liuben vs Ornstein, Axel — 1/2-1/2 — Oslo NOR
1976 — Rubanraut, Serge vs Scholz, Guillermo — 1/2-1/2 — Haifa ISR
9.Re1 — 6.5% (89 parties)
1976 — Seidemann, Ulricke vs Winter, Irene — 1-0 — DDR-ch women
1978 — Csom, Istvan vs Hardicsay, Peter — 1/2-1/2 — Budapest HUN
1979 — Dorfman, Iossif vs Rastenis, Gediminas — 1/2-1/2 — URS
1981 — Welin, Thomas vs Villeneuve, Alain — 1-0 — Viking Oslo NOR
1981 — Boensch, Uwe vs Stempin, Pawel — 1/2-1/2 — Zinnowitz GER
9.d3 — 5.5% (75 parties)
1976 — Lehmann, Heinz vs Christiansen, Larry — 1-0 — Wijk aan Zee NED
1977 — Michalet, Guy vs Roos, Jean-Luc — 1/2-1/2 — Le Touquet
1977 — Hernando Pertierra, Jose Carlos vs Rivas Pastor, Manuel — 1/2-1/2 — Can Picafort
1978 — Odendahl, Steven vs Weinstein, Norman — 1/2-1/2 — Lone Pine, CA USA
1979 — Chernin, Alexander vs Pazos Gambarrotti, Plinio — 1-0 — Skien