A three-horse race looks like it has been reduced to two. This most magical of Hearts seasons has edged closer to delivering the ultimate prize, an outcome that would shake Scottish football to its very foundations. This was a game Rangers and their manager Danny Röhl dare not lose. They did, courtesy of a stirring second-half comeback from Hearts. Rangers now trail the Edinburgh club by seven points in the Scottish Premiership . The Hearts lead over Celtic has been restored to three with the same number of fixtures to play. ‘We shall not be moved’ first rang out here when Hibernian were beaten in dramatic fashion in early October. Those supporters believe it now, all right. A sun-kissed bank holiday Monday in Edinburgh was ripe for a sporting occasion. Yet this was palpably different. From the city centre to famous old pubs in the vicinity of this famous old ground – The Golden Role, Athletic Arms, Tynecastle Arms – maroon-clad punters exuded excitement.…