Something

off *:text:!compare*:#:{
  if ($3) { 
    var %compare2 = $3
    var %compare1 = $2
  } 
  elseif (!$3) {
    var %compare2 = $2
    var %compare1 = $nick
  }
  var %comparenum = $($+(%,%compare1,1),2)
  var %comparenum2 = $($+(%,%compare2,1),2)
  var %endsum = $calc(%comparenum1 - %comparenum2)
  var %endsum2 = $calc(%comparenum2 - %comparenum1)
  if (%endsum > 0) {
    var %comparemsg = %compare1 is ahead of %compare2 by %endsum points!
  }
  elseif (%endsum = 0) {
    var %comparemsg = %compare1 and %compare2 are tied with %endsum points!
  }
  elseif (%endsum < 0) {
    var %comparemsg = %compare2 is beating %compare1 by %endsum2 points!
  }
  notice $nick %comparemsg
}