December 10, 2015. Blitz chess rules can be found in Chapter 11 of the 6 edition of the U. S. Chess Federation's Official Rules of Chess. read more
Under the World Chess Federation Rules, a blitz chess game may offer up to 15 minutes of game time to each player, or an incremental time such that the base allotted time, plus 60 times the increment equals 15 minutes or less. read more
Fast chess can be further subdivided, by decreasing time controls, into rapid chess, blitz chess, and bullet chess. Armageddon chess is a particular variation in which different rules apply for each of the two players. read more