Fair and square

"“[…] I always liked you Joe, and stood up for you, too. Don’t you remember? You won’t tell, will you Joe?” And the poor creature dropped on his knees before the stolid murderer, and clasped his appealing hands. / “No, you’ve always been fair and square with me, Muff Potter, and I won’t go back on you.—There, now, that’s as fair as a man can say.”"

"We won the game fair and square."

"He said they give licenses now to steal — steal folks'es senses away, and then they would steal every thing else, and murder, and tear round into every kind of wickedness. But he didn't ask that. He wanted things done fair and square: he jest wanted to steal horses. He was goin' West, and he thought he could do a good business, and lay up something. If he had a license, he shouldn't be afraid of bein' shot up, or shot."

""Have it out with him to-night. Fair and square. Out he goes, Edmund, neck and crop. Out, by thunder.""