Touch-move rule move or capture the first of the pieces that they touched. If it cannot be determined whether he touched his own piece or the opponent's piece first, it is assumed that he touched his own piece first. If a player touches more than one piece, he must move or capture the first piece that can be legally moved or captured. An exception to that is an attempted illegal castling; in that case the king must be moved if possible, but otherwise there is no requirement to move the rook. When castling, the king must be the first piece touched. If
Parallel Worlds Chess Parallel Worlds Chess Parallel Worlds Chess is a three-dimensional chess variant invented by R. Wayne Schmittberger in the 1980s. The gamespace comprises three 8×8 chessboards at different levels. Each side commands two full chess armies on levels 1 and 3. Level 2 begins empty and obeys its own move rules. Each player controls two complete chess armies, initially on levels 1 and 3 (see diagram). White moves first. The first player to "capture" either enemy king wins the game. On each turn, a player may move "up to three" of his (pieces and/or pawns). (On the "first" turn, however, White