1 to 4 are White to move and mate in 1 move 5 to 20 are White to move and mate in 2 moves 1 to 8 are Novice-friendly 9 to 20 are slightly tougher
Only White's first move is needed for these problems
To MOVE: click a piece on the diagram, then its targetsquare. Don't Drag&Drop OR type your solution
. . . 1 point for having a go
. . . another for moving the correct piece
You score nothing for not trying
Thereafter, you have 2 hours to eMail your score to MissionControl before the App resets so that you can try again