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=Sample Code=
Some processing power may be saved by testing if '''any''' move can improve over alpha. Then in truly hopeless nodes we don't do move generation and testing each move against the delta margin. The following code shows how this is done on the [[CPW-engineEngine]] (it represents a part of quiescence search responsible for handling a stand pat score):
<pre>
// get a "stand pat" score
* [http://www.talkchess.com/forum/viewtopic.php?t=38997 Inverse delta pruning] by [[Marcel van Kervinck]], [[CCC]], May 06, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=46568 Qsearch Delta Pruning Rate?] by [[Srdja Matovic]], [[CCC]], December 24, 2012
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=64803 Delta pruning Mate error] by [[Tamás Kuzmics]], [[CCC]], August 04, 2017
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=73180 Delta pruning test] by Tom Reinitz, [[CCC]], February 25, 2020
