The ballot paper needs to be like the Senate but without the option of voting above the line. That is all 980 nominations must be ranked in order otherwise the vote will be ruled invalidI was just thinking that.
2 horses have to be 100 votes.
1 horse has to be 99 votes.
67 horses receive 1 consolation vote per voter. (mandatory)
Should streamline the process pretty smartly if you factor in the weighting % between horses that have 99-100 votes of x3.5 and the horse that have 1 vote of x7.2.