Before the 2010 match Anand and Topalov played 67 games against each other at classical time control with the following statistics : The start of the match was delayed one day due to air travel disruptions caused by the volcanic ash emissions from Eyjafjallajökull . Anand was to fly from Frankfurt to Sofia on 16 April and was stranded because of the eruption . He asked for a three-day postponement , which was refused by the organisers on 19 April . Anand finally reached Sofia on 20 April , after a 40-hour road journey . The first game was consequently delayed by one day
Eyjafjallajökull
2010 eruptions of Eyjafjallajökull
World Chess Championship 2010