Rock Type
Defense (damage taken)
0×
1⁄4×
1⁄2×
1×
2×
4×
normal
poison
fire
rock
bug
ghost
electric
psychic
ice
dragon
dark
fairy
fighting
ground
steel
water
grass
Offense
2×
1×
1⁄2×
0×
bug
fire
ice
normal
poison
rock
ghost
water
grass
electric
psychic
dragon
dark
fairy
fighting
ground
steel