I have been trying to solve this puzzle for so long,is this hard or am I just bad?(white plays,checkmate in 3) : r/chess

Can you solve this puzzle? Mate in two : r/chessbeginners

Chess.com - Can you solve the world's hardest checkmate in one problem?

Can chess be solved? – Rising Entropy

Black to play and mate in 4 : r/chess

How To Learn Chess As An Adult (or, how I went from 300 to 1500 ELO in 9 months) — Alex Crompton

White to move and NOT checkmate! : r/chessbeginners

Chess - with Leonard Barden, London Evening Standard

Chess Sets Travel Board Games: Magnetic Folding Chess Board with Instructions Teen Gifts Family Games Educational Toys for Kids and Adults 9.5 Inch : Toys & Games

Listen to Perpetual Chess Podcast podcast

Checkmate in Two Puzzles Test (Very Hard)

Chess - Wikipedia