Complex sentence: During the hand, larger denomination chips totaling $10,000 were hidden behind smaller denomination chips in Torelli's stack of poker chips This is against the rules of poker, where larger denomination chips have to be in plain view.
Split into simpler sentences: During the hand, larger denomination chips totaling $10,000 were placed behind smaller denomination chips in Torelli's stack of poker chips. Poker rules require larger denomination chips have to be in plain view.