// Check all that is possible (required) in obj:
return (
(
- !obj.move || (
- !!(obj.move.played.toString().match(/^[0-9]+$/)) &&
- !!(obj.move.idx.toString().match(/^[0-9]+$/))
- )
+ !obj.move || !!(obj.move.idx.toString().match(/^[0-9]+$/))
) && (
!obj.drawOffer || !!(obj.drawOffer.match(/^[wbtn]$/))
) && (