Here is a puzzle where you need to place Queens and Bishops on a board so that each row and each column contains 3 Queens and 5 Bishops. When placed, the numbers must tell you how many other pieces of the same type that the piece in that square can attack.
Here's a small 4x4 sample with 1 Queen and 3 Bishops in each row and column.
Here's the actual puzzle.
The solution and more info can be found here:
https://quadratablog.blogspot.com/2020/ ... ueens.html