By Chris Stanton
Last Updated: 01/01/70 1:00am
Hearts have opened up a five-point gap on Rangers in the chase for second place.
Hearts have opened up a five-point gap on Rangers in the chase for second place and a spot in next season's UEFA Champions League.
The Jambos defeated Kilmarnock 2-0 at Tynecastle while The Gers slipped up with a 1-1 draw at home to Aberdeen.
Killie frustrated Hearts for long periods but eventually fell to goals from Paul Hartley (70) and Christophe Berra (87).
Alex McLeish's side, meanwhile, will be left to rue their inability to hold on to a lead.
Kris Boyd put the hosts in charge in the 51st minute but the sixth-placed visitors upset the odds through Scott Severin's 68th minute equaliser.
At the bottom of the league Livingston gave their slim hopes of survival a major boost with a 3-1 win over a struggling Dundee United.
Sam Morrow struck first for the hosts in the eighth minute but David Robertson hauled Craig Brewster's side level in the 19th minute.
Harald Pinxten re-established Livingston's lead in the 49th minute and, after a nervy second half, the win was confirmed by Richard Brittain's penalty three minutes into added time.
Inverness Caledonian Thistle leapfrogged over ten-man Motherwell and into seventh with a 1-0 win at Fir Park.
Craig Dargo's 27th minute strike proved to be the matchwinner and The Well's frustration boiled over in the 52nd minute when Alan McCormack received his marching orders after picking up two yellow cards in the space of sixty seconds.
Third bottom played second bottom at The Falkirk Stadium and, in a predictably tight affair, Falkirk and Dunfermline drew 0-0.