By Alexandre Owen Muniz. Color Chess . Chess variant on board with 39 squares with five different colors. By Maarten Bodlaender. Combination Chess .
Pieces give their movement capabilities to friendly pieces in their zone of influence.
Animals fight on 7 by 7 board. Convergent Chess . Attack king directly or move to its home square on board with 40 squares. By A. J. Winkelspecht. Variant on 5 by 8 board.