Order is significant, but you can also technically batch the results for a tournament (or a stage of a tournament) to mitigate this: you assume that within your

Order is significant, but you can also technically batch the results for a tournament (or a stage of a tournament) to mitigate this: you assume that within your batch the underlying 'skill' of every player does not change - so you calculate the overall shift for each player but do not apply this total shift until you've calculated it for all matches.