even chance

There was an even chance that the guilty man would be caught—and there was an even chance that an innocent man would hang.

Faith, it was an even chance on which side the platter would fall, but this time the luck was mine.

But by the end of another week it was openly inquiring whether “The Pilgrim” had as much as an even chance of winning after all.

"Perhaps the birds stir the eggs up every day to give them all an even chance," said Rap.

With two of the desperadoes disposed of in ambuscade, he could have a fairly even chance with the man called Davy.