The supporters of Iceland’s World Cup soccer team, some 50 people strong and mostly clad in blue, let out a collective groan. Some bent to a crouch, as if struck by a hard blow. Others put their heads in their hands. But there were no obscenities directed at the television screen or at star midfielder Gylfi Sigurdsson when he missed a penalty kick – and a desperately needed goal – in the 83rd minute. “Oh no.