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A30u — Symmetrical Hedgehog
1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6
Eval: [+0.29]
Les coups candidats
Ambassadeurs : Ftacnik, Lubomir (33x), Ribli, Zoltan (16x), Jurek, Josef (14x), Browne, Walter Shawn (12x), Seirawan, Yasser (12x), Csom, Istvan (12x), Adorjan, Andras (10x), Robatsch, Karl (9x)
9.Bg5 — 29.6% (1309 parties)
Ambassadeurs : Ftacnik, Lubomir (24x), Browne, Walter Shawn (15x), Greenfeld, Alon (12x), Konopka, Michal (9x), Jurek, Josef (9x), Andersson, Ulf (8x), Ribli, Zoltan (8x), Drasko, Milan (7x)
Ambassadeurs : Uhlmann, Wolfgang (13x), Browne, Walter Shawn (10x), Yermolinsky, Alex (10x), Ftacnik, Lubomir (10x), Szmetan, Jorge (9x), Greenfeld, Alon (9x), Andersson, Ulf (8x), Jurek, Josef (8x)
9.e4 — 5.6% (248 parties)
Ambassadeurs : Uhlmann, Wolfgang (28x), Gheorghiu, Florin (6x), Burmeister, Ferdinand (6x), Jansa, Vlastimil (3x), Vilela De Acuna, Jose Luis (3x), Stempin, Pawel (3x), Thompson, Brian (3x), Ribli, Zoltan (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Rd1 9.Bg5 9.b3 9.e4
<1800 33 42% 24% 30% 3%
1800-2200 836 42% 29% 21% 8%
2200-2600 2989 44% 30% 21% 5%
2600+ 148 34% 40% 22% 3%
Évolution par décennie (% des parties)
Décennie N parties 9.Rd1 9.Bg5 9.b3 9.e4
1970s 151 42% 1% 43% 14%
1980s 750 45% 22% 25% 8%
1990s 650 40% 19% 35% 6%
2000s 1178 43% 31% 21% 4%
2010s 1451 41% 41% 13% 4%
2020s 244 46% 23% 18% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Rd1 41% 46% ▲ +5.6%
9.Bg5 41% 23% ▼ -18.9%
9.b3 13% 18% ▲ +5.1%
9.e4 4% 12% ▲ +8.4%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 8 parties
Karpov, Aleksandr — 8 parties
Karpov, Anatoly — 6 parties
Kramnik, Vladimir — 6 parties
Carlsen, Magnus — 5 parties
Tal, Mikhail — 4 parties
Smyslov, Vladimir — 3 parties
Anand, Viswanathan — 2 parties
Hou, Yifan — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
9.Rd1 — 42.4% (1877 parties)
1975 — Uhlmann, Wolfgang vs Gheorghiu, Florin — 1/2-1/2 — Amsterdam NED
1975 — Kovacs, Laszlo M vs Garcia Martinez, Silvino — 1/2-1/2 — Polanica Zdroj POL
1975 — Schmidt, Wlodzimierz vs Ornstein, Axel — 1-0 — Stockholm SWE
1975 — Doda, Zbigniew vs Ekstroem, Roland — 1-0 — Stockholm SWE
1975 — Schmidt, Waldemar vs Rogoff, Kenneth — 0-1 — Polanica Zdroj POL
9.Bg5 — 29.6% (1309 parties)
1975 — Grigorian, Levon vs Karpov, Anatoly — 0-1 — Riga LAT
1981 — Soos, Bela vs Csom, Istvan — 1/2-1/2 — Wiesbaden GER
1981 — Neamtu, Serban-Constantin vs Illijin, Neboisa — 1-0 — ?
1981 — Karpov, Anatoly vs Kasparov, Garry — 1/2-1/2 — Moscow RUS
1981 — Olafsson, Helgi vs Hjartarson, Johann — 1/2-1/2 — Icelandic Chess Cham
9.b3 — 21.9% (967 parties)
1975 — Uhlmann, Wolfgang vs Jansa, Vlastimil — 1/2-1/2 — Hastings ENG
1975 — Uhlmann, Wolfgang vs Jansa, Vlastimil — 1/2-1/2 — Leipzig GER
1975 — Uhlmann, Wolfgang vs Rogoff, Kenneth — 1/2-1/2 — Polancia Zdroj
1975 — Uhlmann, Wolfgang vs Jansa, Vlastimil — 1/2-1/2 — Leipzig GER
1975 — Schmidt, Waldemar vs Abad Garcia, Santiago — 1/2-1/2 — Polanica Zdroj POL
9.e4 — 5.6% (248 parties)
1975 — Cserna, Laszlo vs Portisch, Lajos — 0-1 — ?
1976 — Uhlmann, Wolfgang vs Rodriguez Cespedes, Amador — 1-0 — Halle GER
1976 — Uhlmann, Wolfgang vs Gheorghiu, Florin — 0-1 — Manila PHI
1976 — Uhlmann, Wolfgang vs Boensch, Uwe — 0-1 — Halle GER
1976 — Uhlmann, Wolfgang vs Cortes Gheorghiu, Christian — 0-1 — Manila ItZ