false move

If he made a false move in Spain it was because he had been misdirected.

She knew she had made a false move in taking so seriously his remark.

I am ashamed of the false move, but not of the falsehood, in your presence.

It was a false move to have denied all knowledge of the Wild Cat.

I had made a false move, and so tried to recover my lost ground.

A false move on our part might undo everything and ruin our cause.

This was a false move, however, on your part, and you will find it so.

One false move now, and it would mean the end of all things for him.

The enemy makes a false move; I will reply by coldness and virtue.

False castling is liable to the same penalties as a false move.