Click on all the chess board squares where legal moves are possible for either piece. Do not click on the pieces themselves, as this will count as a wrong move.
Assume that both pieces are present on the board and that the queen cannot move "through" the knight (though the knight can jump "over" the queen, per standard knight movement).
In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Go to your Sporcle Settings to finish the process.