Kepler & K2 provide long-baseline, high-precision photometry for exoplanet and astrophysics research.
The basic and most common additional rule for Doubles play is that where a Double exists at the end of any train, the Double must then be 'satisfied' (laid against) in the next turn, even if the Double is on another player's train that is not marked.
Playing the Game. 1  1. Set up the chess board. 2  2. Start the game. 3  3. Capture an opponent's piece by moving a piece into an occupied square.  4. Continue play with each player moving one piece per turn until the game 1  ends. 5. End the game with a checkmate.