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
Rhombic Chess Parachess using the same board geometry but introducing additional ways to move: These ways to move are highlighted on the board by same-colored cells. Bibliography Rhombic Chess Rhombic Chess is a chess variant for two players created by Tony Paletta in 1980. The gameboard has an overall hexagonal shape and comprises 72 rhombi in three alternating colors. Each player commands a full set of standard chess pieces. The game was first published in "Chess Spectrum Newsletter" 2 by the inventor. It was included in "World Game Review" No. 10 edited by Michael Keller. The diagram shows the starting setup. As