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Justaminute: I don't see any reason to rewrite the FIDE rules.
Actually there is one. The FIDE rules are ambiguous when it comes to variants. When is a king "under attack" ? If I am playing my king in contact of the opponent's queen, but some extra rule forbids the queen to take my king (e.g. at that move my opponent is forced to move a knight), then is my king under attack or not ? If you would answer yes, I would argue that you are falling for an optical illusion.
Conversely, if my king is safe orthochess-wise, but can be captured through the way pieces are captured in that variant (for instance, in Atomic Chess, by an explosion), is my king under attack ?
(esconder) Se apenas lê regularmente alguns fóruns, pode adicioná-los à sua lista de fóruns favoritos indo à página desse Fórum e clicando no link "Adicionar à minha lista de fóruns favoritos". (pauloaguia) (mostrar todas as dicas)