Chess clock Chess clock A chess clock consists of two adjacent clocks with buttons to stop one clock while starting the other, so that the two clocks never run simultaneously. Chess clocks are used in chess and other two-player games where the players move in turn. The purpose is to keep track of the total time each player takes for their own moves, and ensure that neither player overly delays the game. Chess clocks were first used extensively in tournament chess, and are often called game clocks. The first time that game clocks were used in a chess tournament was in the
Almost Chess queen and chancellor having equal strengths. For example, bishops are stronger and knights are weaker. Betza commented that Almost Chess is a good introductory chess variant for players, due to its great similarity to standard chess and the naturalness of the change from queen to chancellor. Around 1994, Betza invented Sort of Almost Chess, a variation whereby one player owns a chancellor, and the opponent owns a queen. Betza considers the chances for both sides equal, even for advanced players, since the queen and chancellor have equal strengths. Sort of Almost Chess emerged from Betza's research on the values of