33. Two or more pieces cannot take turns to perpetually chase a piece.
Diagram 81: Red (in Capital) moves first
R2+1 c9-2
R3+1 c9+1
R2+1 c9+1
R3-2 c9-2
R2+1 ....
.
.
Diagram 82: Red (in Capital) moves first
R7-5 p54
R5+7 p45
R7-5 p54
R5+7 p45
R7-5 ....
Explanation:
Diagrams 81 and 82 are examples of two pieces perpetually chasing a piece. This violates the rule and if Red continues, Red will be ruled to lose.