The idea for this variant is to give each player the possibility to construct his own chess army. Continuous Chess . There are no 'squares' on the board, and pieces are not restricted to moving discrete distances. By David Howe. Contrast Chess .
Pieces lose or gain strength depending on the colour of the square they stand on.
Convergent Chess . Attack king directly or move to its home square on board with 40 squares. By A. J. Winkelspecht. Conversion Chess . A co-chess variant.