She was narrowly defeated by her challenger , Antti Rinne , in a 257 to 243 vote .
Urpilainen sought another term as party chair in the Social Democratic Party 's 2014 party conference in May .
Urpilainen was narrowly defeated by Urpilainen 's challenger , Antti Rinne , in a 257 to 243 vote .
Urpilainen sought another term as party chair in the Social Democratic Party 's 2014 party conference in May .