Complex sentence: The final was the only match of the tournament which consisted of four classical games (from 2 to 5 April 2015), played on consecutive days with a rest-day between the semi-final tie-breaks and match 1.
Split into simpler sentences: The final was the only match of the tournament which consists of four classical games (from 2 to 5 April 2015). Those are played on consecutive days with a rest-day between the semi-final tie-breaks and match 1.