Nothing's left to chance when the fates of the story's inhabitants are securely in the hands of the writer. Yet a chancy outcome is exactly what readers need. Being unsure of the story's consequence is why we keep reading, keep wanting to know what happens next.
What can we do to add chance to our tale? Spin a dial, roll the dice, flip a coin? What can we do to enrich our plot with uncertainty?
Who will win the race? Will the snake bite or not? Will the lost boy find food? Will the tornado hit or miss? It seems obvious, yet some stories are all too hum drum and predictable.
I have made lists of crises and dilemmas just for the purpose of pumping up my story craft. Will you do the same?