Circular chess of the board and a different starting setup. In the citadel game, if a king reaches the citadel, a draw is forced. The starting position is essentially obtained from that of orthodox chess by cutting the board in half and bending the two halves to join at the ends. Two lines are marked on opposite sides of the board, and each set of pieces is positioned so as to straddle this line. The king and queen start on the innermost ring, with, as is the case in square chess, the queen on a square of the same colour; the bishops
Chess tournament The three main types of time controls used in chess tournaments are "blitz", "standard", and "compensation". In blitz chess (also known as "sudden death" chess) each player starts with a fixed amount of time to spend on their moves of the game. The FIDE Handbook designates the following common blitz time controls: Blitz time controls increase the odds that one would "lose on time", meaning a forfeiture of the game due to the expiration of one's chess clock. Blitz tournaments are often documented with the notation "G/5" or "G/15", meaning "game in 5" and "game in 15", respectively. Standard time