How to Make an Effective Website By Implementing Chess Principles? Bishops are like rooks, however they move diagonally. Before moving a bishop, chess players often scan the board to look for pieces that can be threatened by or can block the bishop. in Public bookmarkswith chess_principles Note: Bishops are like rooks, however they move diagonally. Before moving a bishop, chess players often scan the board to look for pieces that can be threatened by or can block the bishop.