Shelbourne manager Joey O'Brien admits there was an obvious gap in quality between his side and Crystal Palace last night.
The visitors were 3-nil winners at Tallaght Stadium, meaning Shels are out of contention to reach the knockout phase in the Conference League.
O'Brien says Palace looked sharper on the night
There was also disappointment for Shamrock Rovers, who saw their hopes of reaching the knockout stages ended in Iceland.
Stephen Bradley's side took an early lead but eventually lost to Breidablik by three goals to one.