Period
KAYNIGHT is not necessary for a good checkmate
Sometimes a good chunk of your squad is not necessary:

https://www.chess.com/livechess/game?id=1821013049
Sometimes a good chunk of your squad is not necessary:
Kaynight is the white horse.
The horse in your game is black - he isn't Kaynight.
The person to whom you refer is a complete asshole
Keek.
Now, seriously, what does keek mean?
This is the final position of the game below, with a comment by KAYNIGHT:
How to checkmate without using the famous KAYNIGHT: