Why did God gamble with Satan over Job's life?

What kind of all-loving God allows someone to suffer OVER A BET with the Devil? Are we chess pieces to God - some kind of sick, twisted game?
Update: Definition of 'gamble': take risky action in the hope of a desired result. 'Bet' is a synonym of gamble.

Whether you Christians like to admit it or not, God did ultimately gamble with Satan. He put Job through torture (risky action) in the hope of a desired result (Job's faith). Understood?
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