Knight b5 checkmate chess. movement lock by Bishop d5, Knight e5 and Pawn d4. Queen f7 did early check for the King to move out and back up the Bishop d5
Queen d3 checkmate. Pawn a5 lock b4 the possible move for the King to avoid queen beside Rook g2 that closed the b2. and Pawn e4 backup the Queen, impossible for the King to take out the Queen.