Second, for the 3rd position wiht O-O-O, Rd1# is also mate in 1 but is not accepted
Third, promoting to a rook with mate is accepted for the 4th position but not the 5th even though they are both mate in 1
Second, for the 3rd position wiht O-O-O, Rd1# is also mate in 1 but is not accepted
Third, promoting to a rook with mate is accepted for the 4th position but not the 5th even though they are both mate in 1