How about atomic chess in which instead of all adjacent pieces being "blown up", all pieces that would be a legal move for the capturing piece from where it captured would be blown up. So if a knight captured a piece, any piece of either colour (pawns excluded) that was a legal knight move away from the captured piece would be blown up.
(esconder) Se está à espera da sua vez, clique em "mudar", ao lado de "actualização" na página principal e mude o temporizador para uns 30 segundos para que veja mais depressa quando volta a ser a sua vez num jogo. (Servant) (mostrar todas as dicas)