SafariGal: But what if no one ranked #1 in one game has sufficiently strong credentials in the others to be considered the best overall player? As it turns out, of the five top-ranked players, only arpa has established BKRs in all five games. Do you really consider 54th, 4th, 10th, 1st, and 24th better than 5th, 3rd, 2nd, 5th, and 4th?
One reasonable measure of overall strength might be average BKR across the five games. I doubt you'll find anyone who can top alanback's 2160.