Is that a legal move? move 13. O-O-O ?

Hey Guys, Look at move 13. O-O-O
It that a legal move, keep bishop at h2 in mind!

Yes king do not go on a bishop target square wile he castle

King can't go over a threatened square but a Rook can.

Looks fine to me. The King isn't passing through an attacking piece.

Well well well, I have played hundreds of games yet I did not know this technicality! So only King should not cross a square attacked by the enemy. Feeling so stupid.

That's ok, when I started I thought my opponent had hacked the board because suddenly his King and Rook magically levitated in mid-air and then kinda teleported themselves to new destinations, all in one move. The castling in 960, now that's some real sci-fi castling!

Don´t worry. Even Korchnoi once had to ask the arbiter if he was allowed to castle, because his rook was passing a protected square.

again,use the Q&A rather than wasting people's time by posting a repeated lots topic time again

@PlatypousBlunderous Yeah, What is castling rule in chess960? I heard that they can castle on 1st move?? That would be awkward!

@deepLA Sorry for wasting your time. But by posting this I also helping beginners like me to be familiar with this very technical rule. @FredtheCrusher says ''Even Korchnoi once had to ask the arbiter if he was allowed to castle, because his rook was passing a protected square.'' So, in many ways it can be helpful too. By the way, Who are you? I have seen your name on many times on Lichess, in so many teams, Posts. You are very active on Lichess.