The FIDE website reports that GM Teimour Radjabov withdrew from the Thessaloniki Grand Prix "for personal reasons" and will be replaced by the French GM Etienne Bacrot whose rating for August 2012 (the participants for the series were chosen according to their rating for exactly this month) was 2713. The tournament will start already on May 22nd.
Let us remind you, we mark all changes done since the announcement of the series and the participants with green. The later the changes took place, the darker the color gets.