FM amazingatlasComments on https://lichess.org/@/amazingatlas/blog/the-power-of-the-longest-diagonal-a-bishop-that-attacks-and-defends/KZ94sGIR Comments on https://lichess.org/@/amazingatlas/blog/the-power-of-the-longest-diagonal-a-bishop-that-attacks-and-defends/KZ94sGIR