moving into check of a pinned bishop

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KngsRnsm

23 hrs ago

I was trying to take a rook with my king but there was a Bishop falsely defending the rook due to a rook of mine pinning the bishop to my opponents king, so he could not move the bishop. Why wouldn’t the computer let me take the rook?

Mc_Jess

22 hrs ago

(1) Your king would be moving into check
(2) Even though the bishop is pinned and cannot legally move, the square the rook is on is still attacked by the bishop
(3) The king is not allowed to move to any square that is attacked

Hope that helps