Longest mate in King and Queen versus King endgame: an endgame analysis by Joe Leslie-Hurd

Checkmate with Queen and Knight against King

Scholar's Mate in Chess (The 4-Move Checkmate) - Chessable Blog

How Can You Checkmate in Two Moves with a Queen and King in Chess

A Simple Guide To Checkmating The Lone King in Checkmate

Intermediate Chess Lessons: Queen and King Checkmate

Check and Checkmate

How to Checkmate with Queen & King, Chess Basics for Beginners

In this position, (black to move) Qe1 is apparently checkmate, but I am confused because the rook is pinned and therefore cannot defend the queen. Can someone explain this to me?

Queen vs Rook Endgame - The Chess Website

Checkmate - Vintage Chess Board Game King Queen Grandmaster Poster for Sale by Weardomss