People are scared of me but I am loved by some. I can be your best friend but could become your enemy in a blink of an eye.
What am I?
I'm more than a fair weather friend,
On me you can depend,
To hang around at least 'til summer's end.
I serve your house, the store, the school,
I'm liked everywhere 'cause I'm so cool.
What friend is this?
I play chess,
I am the best,
I will only move faster
but there is be one skill
I can't master.
Who am I?