Chess 2: The Sequel create a more dynamic opening game, decrease the emphasis on openings memorization, and reduce draws. In "Chess 2", players may choose from six unique armies, such as an army with two kings and an army whose knights, bishops, and rooks may move like each other when adjacent. A new win condition has been added: a player wins if their king travels past the fourth rank. This was intended to prevent traditional "solved" chess endgames, which can be played by consulting a chess tablebase, and therefore does not require player skill. A third rule change from standard chess is the dueling
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