▁the ▁longest ▁suit , ▁' b ' ▁the ▁second ▁longest , ▁and ▁' d ' ▁the ▁short est : ▁ ▁New ▁b idd ing ▁systems ▁Pet kov ▁has ▁proposed ▁a ▁core ▁b idd ing ▁method , ▁similar ▁to ▁the ▁P rec ision ▁Club ▁derivatives ▁Sym metric ▁Rel ay ▁and ▁M OS C IT O , ▁that ▁makes ▁extensive ▁use ▁of ▁limit ▁b ids , ▁rel ays , ▁and ▁the ▁shape ▁defining ▁properties ▁of ▁Zar ▁Point s ▁to ▁rapidly ▁describe ▁a ▁hand . ▁Below ▁is ▁a ▁summary ▁of ▁the ▁bas ics , ▁om itting ▁some ▁of ▁the ▁fin er ▁points ▁and ▁the ▁research ▁details ▁supporting ▁the ▁dec isions . ▁To ▁make ▁this ▁a ▁full ▁system , ▁a ▁partners hip ▁would ▁need ▁to ▁agree ▁on ▁what ▁convent ions ▁to ▁use . ▁Most ▁of ▁the ▁ideas ▁from ▁other ▁systems ▁can ▁carry ▁over . ▁Part ners hips ▁interested ▁in ▁using ▁this ▁system ▁should ▁familiar ize ▁themselves ▁with ▁the ▁reasons ▁behind ▁this ▁basic ▁b idd ing ▁pattern ▁before ▁selecting ▁specific ▁convent ions . ▁ ▁Open ing ▁b ids ▁Open ing ▁b ids ▁are ▁divided ▁into ▁three ▁intervals : ▁just ▁enough ▁to ▁open ▁( 2 6 - 3 0 ▁Z ars ), ▁one ▁extra ▁b idd ing ▁level ▁( 3 1 - 3 5 ▁Z ars ), ▁and ▁two ▁or ▁more ▁extra ▁b idd ing ▁levels ▁( 3 6 + ▁Z ars ). ▁Because ▁distribution ▁can ▁dram atically ▁affect ▁the ▁play ability ▁of ▁a ▁hand , ▁each ▁of ▁these ▁Zar ▁Point s ▁ranges ▁can ▁cover ▁a ▁wide ▁number ▁of