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===Pure Calculation===
A branch-less solution without any lookups and some parallel gain is likely too expensive on the fly and may at most used for initialization purposes<ref>[http://www.talkchess.com/forum3/viewtopic.php?f=7&t=12499&start=14 Re: Check idea + bittwiddler request] by [[Gerd Isenberg]], [[CCC]], April 06, 2007</ref>:
<pre>
U64 inBetween(enumSquare sq1, enumSquare sq2) {
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=516 Two questions for bitboard experts] by [[Tord Romstad]], [[Computer Chess Forums|Winboard Forum]], November 06, 2004 » [[Piece-Lists]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=12499 Check idea + bittwiddler request] by [[J. Wesley Cleveland]], [[CCC]], March 19, 2007
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=6573 Bitboard of squares between] by [[Onno Garms]], [[Computer Chess Forums|Winboard Forum]], June 15, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=46240 bit boards - what is betwen] by [[Don Dailey]], [[CCC]], December 02, 2012
=References=
<references />
'''[[Bitboards|Up one Level]]'''
[[Category:Max Ernst]]
