(1) On 6 December 1805 , Jem Belcher defeated Pierce Egan in a championship decision ( a battle reported in Pearce 's first volume of '' Boxiana '' ) .
(2) On 6 December 1805 , Pearce defeated Jem Belcher in a Championship decider ( a fight reported in Pierce Egan 's first volume of '' Boxiana '' ) .

Do these two sentences mean the same thing?

Pick from: (1). no (2). yes
(1).