Povetkin still went onto beat Hughie, give Hunter a decent fight and beat one of top and most proven HWs in Whyte. Had Povetkin decline? Yes but still a very dangerous guy who was still rightly considered one the best in divison.
Ok now i can tell you're joking or on a wind up. even if you only win 3 rounds it can still be a competitive fight (Smith Jr vs Abraham for example and im no fan of Smith but every round was close but still had Abraham up about 8 - 4). He did not lose to Helenius, its one of the worst decisions in recent years.