1
Mate with King and Queen
The simplest mate in chess. The queen alone corners the enemy king; the white king only needs to show up at the end.
★
2
Queen with a Distant King
The queen dominates the board, but the white king is in the far corner. Without him there is no mate — a queen alone can never checkmate.
★★
3
Queen Against a King in the Corner
The black king is already in the corner. It looks like the easiest of mates, and this is precisely where most stalemate draws happen.
★★