DGT 2010 Digital Chess Clock and Game Timer The Official Clock of the World Chess Federation - FIDE Ability to mix time controls in a single game (e.g start with a normal countdown period followed by a "Fischer" or "Bronstein Delay" period) Extra upcount timing method makes it ideal for other board games. The Successor to the Best Selling DGT 2000 Chess Clock Timer Ideal for use at US Chess Federation and FIDE Rated Tournaments