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
Hostage Chess It was published in magazines "Nost-algia" (issue 375), "Eteroscacco" (86–88), and "Variant Chess" (32 and later). It was the "Recognized Variant of the Month" in January 2005 at "The Chess Variant Pages". The inventor, John Leslie, is also a philosopher. He mentions in his book "Infinite Minds" that the prevalence of chess variant inventions such as Hostage Chess has led to speculation that there could be infinite possible variations of chess. He contends these will necessarily exceed the capacity of the human mind. Hostage Chess follows all the standard rules of chess excepting how captured men are treated. Each player