MathDB
max no of bishops / horses in chessboard so that noone threatens another

Source: 8th QEDMO problem 4 (15. 1. 2011) https://artofproblemsolving.com/community/c1512515_qedmo_200507

May 15, 2021
Chessboardcombinatorics

Problem Statement

How many a) bishops b) horses can be positioned on a chessboard at most, so that no one threatens another?