To get your first (or more) WR. You have to try really hard against one bot. Try all fast mate moves you know, but move slowly and look what the bot does.. And try them A LOT. At some point, you will recognize some patterns. Like what your opponent does every time you come close to mate. And tune-your moves fine. If you do this a lot, you will get your first fast checkmate. After that you only have to pre-move those exact moves, and I am sure you will get it :D A lot bot's where you need premium for are not even runned yet.
Good luck!
For the bot categories, I updated the mobile timing rules to make it as similar to web timing as possible. I plan to change other categories as well to make mobile/web timing as similar as possible.
This does mean that older runs may be timed "incorrectly" to the current rules. If you would like a