Midnighter, of course, because of his ability to compute millions of scenarios till he finds right one. Effectively he’s got the power set needed to achieve Batman type feats.
But...on same logic...any character with a good brain and ability to think super fast ought to be a good to great tactician. So Barry Allen ought to be up there. And Superman ought to be near top, if we reject modern tendency to write him as a wee bit thick.