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==[[Board Representation]]==
* [[Piece-Lists]]
* [[0x88Vector Attacks|16x8 Vector Attacks]]
==[[Search]]==
* [[Iterative Deepening]]
* [[King Safety]]
=0x88 Square Difference=The pre-initialized <span style="background-color: #e5e4e4;">static int vector[256]</span> in "attacks.c" <ref>[http://borriss.com/ Gullydeckel Chess Program - Download]</ref> with [[Direction#RayDirections|ray directions]] encoded, which is indexed by 16x8 aka[[0x88#SquareRelations|0x88 square difference]] plus offset, somehow reminds on a [https://de.wikipedia.org/wiki/Schachtdeckel Gullydeckel], the colloquial German name for [https://en.wikipedia.org/wiki/Manhole_cover Manhole cover] <ref>edited, symbols replaced for column alignment</ref>:
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