Kung-Fu Chess This was absent in Kung Fu Chess which offered only online play. However this project does not supports the many variants developed by Shizmoo. A public beta of a new turnless chess game JebChess was released in June 2014. Both 2 and 4 player chess modes, including flexible teams, are available on this game. JebChess is the first real-time chess game to be built using a 3D game engine (Unity3D). In September 2014 JudoChess was released. The game runs on Silverlight and can not be played on Chrome, but can be played on Internet Explorer and FireFox. JudoChess currently features
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