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=Virtual Mobility=
Another heuristic is to temporary replace the king by a [[Queen|queen]], to use her virtual [[Mobility|mobility]] as a measure of opponent's [[Sliding Pieces|sliding piece]] [[Sliding Piece Attacks|attacking changes ]] chances and therefore an unsafe king.
One may even temporary modify the [[Occupancy|occupancy]] to improve this virtual mobility, e.g by removing mobile opponent pieces.
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* [[Evaluation Function Draft]]
* [[Evaluation Patterns]]
* [[King Pattern#KingSafety|King Safety]] in [[King Pattern]] with [[Bitboards]]
* [[Mate at a Glance]]
* [http://www.talkchess.com/forum/viewtopic.php?t=42065 Approaches to king safety?] by [[Mike Robinson]], [[CCC]], January 19, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=44849 For Ed Schroeder: Rebel's Pawn Shield and Pawn Storm Eval] by Marcel Fournier, [[CCC]], August 21, 2012
* [https://groups.google.com/d/msg/fishcooking/lIjQUH3dsYg/4VEtHUkrdBsJ Pinned pieces in king safety] by [[Stefan Geschwentner]], [[Computer Chess Forums|FishCooking]], March 28, 2014 » [[Pin]], [[Stockfish]]
* [http://www.talkchess.com/forum/viewtopic.php?t=52774 King shelter x-ray attacks] by [[Lyudmil Tsvetkov]], [[CCC]], June 27, 2014 » [[X-ray Attacks (Bitboards)]]
* [http://www.talkchess.com/forum/viewtopic.php?t=52779 Heavy piece shelter] by [[Lyudmil Tsvetkov]], [[CCC]], June 27, 2014
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=72981 Pruning / reduction depending on king safety] by [[Vivien Clauzon]], [[CCC]], February 02, 2020 » [[Pruning]], [[Reductions]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=73877 Positional evaluation of your engine on this?] by [[Tom King]], [[CCC]], May 09, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=76976 King safety evaluation] by [[Niels Abildskov]], [[CCC]], March 29, 2021
=External Links=
