killer king

guys for this achievement  you will have to play players below the rating of 1000  or below

This game of myself will give you idea how to do it

https://www.chess.com/game/live/137776614306?move=0

Note : when you start the game request your opponent not to resign 

Note : setup a ladder mate with king in between and when there is mate in 1 move the to get the achievement