Three grand masters have been caught cheating at a chess Olympiad. The team members communicated using instructions disguised as phone numbers and and an ingenious system relating positions within the room to positions on the board. Details of the system and the way it was revealed can be found here, and the French Chess Federation's report (in French) here.
posted by Joe in Australia on Mar 24, 2011 - 74 comments

GameKnot, in addition to being a generally wonderful site to play and study chess, has a page which show nothing but checkmates from recently-played games being carried out. Watch as fate is inexorably sealed.
posted by Wolfdog on Jan 18, 2011 - 14 comments

Dildo chess set (NSFW, probably). Other suggestive chess sets, part of a small collection of, er, pawnography. [more inside]
posted by GrammarMoses on Jan 12, 2008 - 41 comments

CheckMate: The 5 Minute Semen Detection Test Kit Infidelity? Cheating Spouse? Find out what's really going on, the quick and easy way, with the CHECKMATE 5 Minute Infidelity Test Kit. CHECKMATE is the only product of it's kind that can actually monitor your spouse's sexual activity outside of the relationship! Oh, boy. Where to start, where to start....
posted by adampsyche on Nov 19, 2001 - 22 comments