Thanks for exercice !
Solving beginner exercises blindfolded

If you have to solve the following types of beginner exercises blindfolded, how would you rank their difficulty level (per topic)?
can only judge those i have experience with. 0 -> easy , 6 -> hard.
i guess everyone has a different impression of the difficulty of that task.
Board vision:0- Sets of light/dark squares
1- Mapping out a route from A to B with a given piece without obstacles
1- Mapping out a route from A to B with a given piece with obstacles (capturing pieces) or pit-stops
Moving pieces:1- Attacking an enemy piece
1- Capturing an enemy piece
2- Defending an own piece
2- Deliver check safely (one or two obstacles)
Checkmate:1- Inserting one piece on a board with 2 pieces
2- Inserting one piece on a board with 3 pieces
3- Inserting one piece on a board with 4 pieces
4- Inserting one piece on a board with 5 pieces
2- Delivering checkmate in 1 on a board with 3 pieces
3- Delivering checkmate in 1 on a board with 4 pieces
4- Delivering checkmate in 1 on a board with 5 pieces
5- Delivering checkmate in 1 on a board with 6 pieces
idk- Inserting two piece on a board with 1 piece
idk- Inserting two piece on a board with 2 pieces
idk- Inserting two piece on a board with 3 pieces
idk- Inserting two piece on a board with 4 pieces
2- Inserting three piece on an empty board
3- Inserting three piece on a board with 1 pieces
4- Inserting three piece on a board with 2 pieces
Tactics:1- Insert double attack
2- Deliver double attack
1- Insert pin
2- Deliver pin
4- Delivering checkmate in 2 on a board with 3 pieces
4- Delivering checkmate in 2 on a board with 4 pieces
4- Delivering checkmate in 2 on a board with 5 pieces
4- Delivering checkmate in 2 on a board with 6 pieces
5- Elimination of the defence: capture + material
5- Elimination of the defence: away + material
4- Discovered attack
3- Discovered check
Games:4- Find the best move after 3 ply
5- Find the best move after 4 ply
5- Find the best move after 5 ply
6- Find the best move after 6 ply
5- Reconstruct the board position after 10 moves
5- Reconstruct the board position after 12 moves
5- Reconstruct the board position after 14 moves
If you have to solve the following types of beginner exercises blindfolded, how would you rank their difficulty level (per topic)?
Board vision:
- Sets of light/dark squares
- Mapping out a route from A to B with a given piece without obstacles
- Mapping out a route from A to B with a given piece with obstacles (capturing pieces) or pit-stops
Moving pieces:
- Attacking an enemy piece
- Capturing an enemy piece
- Defending an own piece
- Deliver check safely (one or two obstacles)
Checkmate:
- Inserting one piece on a board with 2 pieces
- Inserting one piece on a board with 3 pieces
- Inserting one piece on a board with 4 pieces
- Inserting one piece on a board with 5 pieces
- Delivering checkmate in 1 on a board with 3 pieces
- Delivering checkmate in 1 on a board with 4 pieces
- Delivering checkmate in 1 on a board with 5 pieces
- Delivering checkmate in 1 on a board with 6 pieces
- Inserting two piece on a board with 1 piece
- Inserting two piece on a board with 2 pieces
- Inserting two piece on a board with 3 pieces
- Inserting two piece on a board with 4 pieces
- Inserting three piece on an empty board
- Inserting three piece on a board with 1 pieces
- Inserting three piece on a board with 2 pieces
Tactics:
- Insert double attack
- Deliver double attack
- Insert pin
- Deliver pin
- Delivering checkmate in 2 on a board with 3 pieces
- Delivering checkmate in 2 on a board with 4 pieces
- Delivering checkmate in 2 on a board with 5 pieces
- Delivering checkmate in 2 on a board with 6 pieces
- Elimination of the defence: capture + material
- Elimination of the defence: away + material
- Discovered attack
- Discovered check
Games:
- Find the best move after 3 ply
- Find the best move after 4 ply
- Find the best move after 5 ply
- Find the best move after 6 ply
- Reconstruct the board position after 10 moves
- Reconstruct the board position after 12 moves
- Reconstruct the board position after 14 moves