HIARCS Chess Forums

I'll give it a try, but I can be sure it will not
work for me. It's easy to sacrifice, it's the follow up moves that are hard.

All Pieces is simple the union of all other piece bit boards. Dependent on the mapping,All Pieces has likely the value of 0xffff00000000ffff for the initial position. You will also keep the union of all white and black pieces as well. While doing/undoing moves, it is faster to update those redundant...

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It's a dreadful way to start a day - you press the power button on your computer and nothing happens. Few computer problems are more frustrating than when your computer won't boot.