They have three remaining games, away at bottom club Oliveirense on Sunday, and are two points clear of their nearest rivals Freamunde and Feirense.

On Sunday 8 May, GD Chaves are the visitors to Portimão (kick-off 4pm).
Chaves are virtually certain of taking the first promotion place so an intriguing battle is in the offing.
Olhanense, sitting comfortably in mid-table, escaped with a 0-0 draw at Sporting de Covilhã thanks to the woodwork and some fine goalkeeping by Moreira.
On Saturday, kick-off 11.15am, promotion-chasing Freamunde are their opponents at the José Arcanjo Stadium, Olhão (behind McDonalds on the EN125). The game is being screened live on Sport TV.
SC Farense had a vital 2-1 win over fellow relegation candidates Atletico but are still in the drop zone and their last three games are all against teams in the top half of the table.