A 55-0 loss to Hamilton saw Central Bay of Plenty hand over the Peace Cup but remain in contention for the Stan Meads Cup (SMC).
After leading 12-0 at halftime, Hamilton cut loose in the second spell to hammer the SMC title holders.
The teams squared off at the Suburbs Rugby Club in Hamilton, with the Peace Cup (SMC challenge trophy) on the line.
Central Bay of Plenty stemmed the tide in the opening 15 minutes of the second half before the floodgates opened, with the home team running in multiple tries. The 55-0 win means Hamilton have posted 124 points in their two qualifying rounds of play to finish with maximum competition points in section one.
The Hamilton victory provided a remarkable comeback for coach Gary Robertson, who had a hand in winning the battered Peace Cup for the third time. Robertson took Hamilton to back-to-back wins in 2002 and 2003, when the Peace Cup was a stand-alone competition. Serious health issues saw him out of the game for a long period before answering the Hamilton call back to duty last season.