how about if we can "mark" the enemy piece with whatever we think it is? This could be done by selecting the mystery piece and then selecting the type. They would need to be different than the ones that have actually been revealed to tell them apart.
(esconder) Ao submeter uma jogada, pode escolher o próximo jogo a mostrar, seleccionando a opção apropriada na lista ao lado do botão Submeter. (pauloaguia) (mostrar todas as dicas)