It is well-known that each of these combinations is more valuable than the sum of its parts, at least partially due to the increased power and concentrated attacks of the combination piece. Play is as in FIDE chess, except as noted below.
Draws are also by repetition or agreement.
Sheherazade is played on a 10x10 board. Initially, the pieces are set up as shown above. These are unchanged from FIDE chess. As in FIDE chess, moves one square in any direction. However, castling is clearly impossible from the initial setup.