In some variations, an allowed move is to put the thumb and index finger on two pieces of one's own colour and quickly move them together towards centre, pushing an opponent's piece toward the middle off of the board – sometimes called a "scissors" move. In another variant, the game is not finished when one player's remaining pieces have retreated to the back row and one of the opponent's pieces has reached that row: The next step is adding a second checker atop the piece of the advancing side (the figure is called a horse or tank; this is similar to being "crowned" in Western draughts/checkers). The game continues until one player's pieces are all eliminated. Computer versions Several variants of chapayev have been created as computer simulations. Implementations include Chapay (dating to 1999) at Pyva.net; Chapayev 3D () from Narod.ru; Shuffle, Shuffle Challenge, and Shuffle Snakebites by WildSnake Software and Shockwave.com; the Battle Checkers and Chapayev iOS games at Apple's iTunes Store; and Chapayev for Android on the Google App Market (now Google Play; this game typically requires a checkers board and 8 to 16 Android devices). See also Carrom Crokinole Novuss Pichenotte Pitchnut Shove ha'penny References Chapayev website Chapayev Game Chapayev Game Online Disk-flicking games Russian games Soviet games Russian inventions Soviet inventions