Mindful particularly of the cheating incident of Sébastien Feller at the 39th Chess Olympiad (2010), combined with the general increase of cheating incidents, the World Chess Federation (FIDE) strove to have greatly enhanced security in Baku. Some of these were already introduced at the Chess World Cup 2015 (also in Baku), which included transmission delay of (some) games, random security checks of players, ban for bringing pens and watches into the playing hall and installation of electronic checkpoints for players at the entrance of the playing hall (see below).