As I suspected there is a bug in the bot (sounds weird):
When someone sends the fund at exactly 100% voting power the bid will be ignored. It doesn't make it in the current round and it doesn't make it in the next round either. You can double check that yourself with the bid from me that I did at 8/8/2017 at 7:47:54 pm over 1SBD to https://steemit.com/steemit/@flauwy/the-best-way-to-use-booster-and-make-a-profit