In chess, if you say checkmate and your opponent isn't checkmated, do you lose? - Quora

Why is the final move after checkmate not played? - Quora

Have you had a chess game where you technically checkmated your opponent but you lost the game on time? - Quora

Playing against the Bowlder Attack

What is meant when some says 'checkmate'? - Quora

When is it bad form to resign? : r/chess

Chess - From Beginner To Advanced at Warp Speed Volume 2, PDF, Chess Openings

So why is this a thing? Is the Scandinavian just bad??? : r/chess

GQ does chessboxing, British GQ

Is it mandatory to say “check” in chess? - Quora

Can you decline a resign in chess?

What is the definition of checkmate? Can a player still win if they are trying not to be checkmated? - Quora

Chess: What are the most effective techniques to force a stalemate? - Quora