
How to get the Killer King Achievement
The Killer King achievement is a secret and extremely hard achievement to obtain. It can only be obtained in a live game, which makes it hard because most players resign before you even make the setup. So you either gotta find a person who does not resign or play with your friend and tell them to lose on purpose. But be careful, Chess.com has a strict sportsmanship policy, so, make sure not to message your friend on chess.com about this topic.
For those who don't know: Killer king does not mean that you have to checkmate. It means that the last move has to be a King move i.e discovered check.
There is a game below where white got the a killer king achievement:
