34. A protected pieces cannot be perpetually chased if its protector has lost its effectness. (See examples in Diagrams 83, 84, and 85)

Diagram 83: Red (in Capital) moves first

R63 c73
R37 c37
R73 c73
R37 c37
R73 c73
....

Explanation:

Black Cannon's perpetually threatening to checkmate does not violate the rule. But since the Black Minister cannot move and has lost its effectness in protecting the Black Cannon, the Black Cannon cannot be perpetually chased. Red has to change or lose.

Diagram 84: Red (in Capital) moves first

R23 c78
R32 c87
R23 c78
R32 c87
R23 ....

Explanation:

The Black Knight actually cannot protect its Cannon, therefore the Black Knight is a "false protector" and the Black Cannon cannot be perpetually chased. Red has to change move or lose.

Diagram 85: Red (in Capital) moves first

R3-1 c6-2
R3+2 c6+2
R3-2 c6+2
R3-2 C6-2
R3+2 ....

Explanation:

The Black Rook actually cannot protect its Cannon, therefore the Black Rook is a "false protector" and the Black Cannon cannot be perpetually chased. Red has to change move or lose.