A handful of candidates are scheduled to debate Tuesday night at the Buffalo and Erie County Historical Society.
Assemblyman Sean Ryan will meet his Democratic Primary opponents, Joseph Mascia and Kevin Gaughan.
That debate will be followed by State Senator Tim Kennedy against his challenger, County Legislator Betty Jean Grant.
The crowded Republican field for the 147th Assembly seat will also debate. David DiPietro, Dan Hummiston, David Mariacher and Chris Lane are scheduled to appear at the event sponsored by the YWCA of Western New York.