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- invitations to games (you can also use the New Game menu)
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volant: "When a king moves for the first time, it can move as a queen (it also means that there is no castling in this game)." - from the rules. Black king never moved, so it attacks both mentioned squares.
AbigailII: Ah, of course you are right, this kind of giving a check is allowed. What I meant was a situation when both kings (none of them made the first move) give a check each other - that would not be allowed.
AbigailII: No and no. The only difference between normal and cheshire cat chess (regarding king moves) is in the king's ability to make the first move as a queen. Only to make a move, nothing else. It still cannot move to an attacked square, cannot give a check, cannot capture opponent's king etc.