choparty isn't until october this year

ohh, they moved it to october? do you know the exact dates?...i could attend it...

ニコニコ超パーティー2015 inさいたまスーパーアリーナ 2015年10月25日開催
did it use to be in saitama the other years as well?
wondering if i can(/should) attend it, since i will be in japan (though saitama is a bit far...)