Here is a situation where checking the nuts killed my opponent.
I was about 90% sure of what he had here, and thats why I didn't fire out a flop bet.
Empire $25NL
Boy was that turn pretty.
Hero ($32.45) is the button with
Villian ($10) is one seat from the cut off and makes it $1.50 to go.
1 fold
I call, and its folded back to villian.
Flop:
Villian checks, I check behind
Turn: giving me quads. all the money is getting in now.
Villian bets .25, I raise to $1, villian calls.
River:
Villian bets $4, I raise to All-in, Villian calls.
Results: Hero Wins 20.92 from the pot with 4 Tens.