Official blog updates on participating members and preliminary rounds:http://ameblo.jp/akihabara48/entry-11560697468.htmlTheir blog post is long and includes all kinds of sums, so is worth checking out, just for the amusement of seeing maths in an AKB48 official blog post...
I'll try to summarise here:
Participating members who go straight to the finals:All full AKB48 Team A, K, B members
Sister group members who hold a concurrent position within AKB48
(Matsui Jurina, Furuhata Nao, Watanabe Miyuki, Yagura Fuuko, Kodama Haruka, Takajo Aki, Rena Nozawa, Suzuki Mariya)Members who are NOT participatingJKT48 and SNH48 members who do
not hold a concurrent position within AKB48
The graduating members
(Shinoda Mariko, Akimoto Sayaka, Itano Tomomi, Fukumoto Aina)Preliminary rounds:SKE48 - 8 go through to the finals
NMB48 - 8 go through to the finals
HKT48 - 3 go through to the finals
AKB48 Kenkyuusei - 4 go through to the finals
SKE48 Kenkyuusei - 4 go through to the SKE48 prelims
NMB48 Kenkyuusei - 3 go through to the NMB48 prelims
HKT48 Kenkyuusei - 4 go through to the HKT48 prelims
Dates of the competitions:AKB48 kenkyuusei preliminary round: | 6 July 2013 (Sat) 18:00 |
SKE48 kenkyuusei preliminary round: | 2 July 2013 (Tues) 18:00 |
SKE48 preliminary round: | 3 July 2012 (Wed) 18:00 |
NMB48 kenkyuusei preliminary round: | 29 June 2013 (Sat) 13:00 |
NMB48 preliminary round: | 4 July 2013 (Thurs) 18:30 |
HKT48 preliminary round + HKT48 kenkyuusei preliminary round: | 10 July 2013 (Wed) 18:00 |
FINALS: | 18 September 2013 |
or, in chronological, rather than group, order:
NMB48 kenkyuusei preliminary round: | 29 June 2013 (Sat) 13:00 |
SKE48 kenkyuusei preliminary round: | 2 July 2013 (Tues) 18:00 |
SKE48 preliminary round: | 3 July 2012 (Wed) 18:00 |
NMB48 preliminary round: | 4 July 2013 (Thurs) 18:30 |
AKB48 kenkyuusei preliminary round: | 6 July 2013 (Sat) 18:00 |
HKT48 preliminary round + HKT48 kenkyuusei preliminary round: | 10 July 2013 (Wed) 18:00 |
FINALS: | 18 September 2013 |
Total number of members participating:AKB48 62 + 24 KKS
SKE48 44 + 22 KKS
NMB48 43 + 20 KKS
HKT48 14 + 24 KKS
(concurrent members count as AKB48 members for this count)
http://ameblo.jp/akihabara48/entry-11560697468.html