How is this 0-0-0 castling possible?

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davidcampar

How is white able to castle since black rook is pointing on b1 square?



Lagomorph
davidcampar wrote:

How is white able to castle since black rook is pointing on b1 square?



White's King is not in check; does not pass through check; and is not in check on his final square c1

The fact that his rook passes through b1 is irrelevant

davidcampar

@Lagomorph oh nice, thanks for answering