Hi rootbeerpies,
I think on the queen side your bishop is pointing to b8, while the king after castling is sitting on c8, so actually the bishop is not crossing the king path on that side, that's why he/she was able to castle.
Can someone confirm this?
Davide
The rule is that a player cannot castle into, out of, or through check. That is, the King cannot castle while in check, nor (of course) castle to a square where it will be in check, nor pass over a square that is attacked. That means that, for Black to castle queenside, squares e8, d8, and c8 must not be under attack.
It is not the rule, though, that if ANY square on the back rank is attacked, Black cannot castle. Here you have b8 under attack, but as long as e1, d8, and c8 are not under attack, Black can castle on the queenside.
The king may not be in check, pass any attacked squares and end up on an attacked squares. Since the king is not in check, he may castle. Neither d8 or c8 is attacked. He cannot castle kingside, since f8 is attacked.
King cannot pass through check, the rook can do what it wants. Because it's a rook and it doesn't give a shit.
Admit it, this is the best explanation thus far.
Holy Schnikes! I've been misinformed for 20 years now! Chess is easier when you get to make your own rules (like mine!) Blasted, now I have to rethink everything! Thanks everyone
Hi, everyone. I'm looking for some guidance here on my move (White) #21. My bishop was crossing Black's bank line (8) in both directions, yet he was able to castle to my left (O-O-O). I thought the rule was, if one of my pieces is crossing the path of the opponents back line, he is unable to castle in that direction! In effect, I should have been preventing him from castling either way, and yet he was able to. Why? What am I missing here?