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Capture Extensions

427 bytes removed, 22:29, 29 July 2019
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A lot of todays programs, more focused on [[Reductions|reductions]] rather than extensions in the [[Scout]] part of their [[Principal Variation Search|PVS]], most often don't reduce captures, which makes it a kind of implicit extension relative to reduced late [[Quiet Moves|quiet moves]]. It also seems worth a try to reduce even captures with negative SEE while performing [[Late Move Reductions|LMR]].
However, it seems important to extend captures if a transition to certain late endgames occurs. [[Ed Schroder|Ed Schröder]] for instance extends '''three''' [[Ply|plies]] in [[Rebel]] if entering the [[Pawn Endgame|pawn endgame]], and the static, [[Incremental Updates|incremental updated]] [[Score|score]] dominated by [[Material|material]] is not outside a +-3 pawn window around zero: The extension is very powerful, it will often avoid REBEL entering a lost ending and vice versa <ref>[http://www.top-5000.nl/authors/rebel/chess840.htm Programmer Corner - How Rebel Plays Chess] by [[Ed Schroder|Ed Schröder]], Extension Techniques: Endgame, [http://members.home.nl/matador/Inside%20Rebel.pdf pdf reprint]</ref>.
=See also=
=External Links=
* [http://web.archive.org/web/20070607151732/www.brucemo.com/compchess/programming/extensions.htm Search Extension] from [[Bruce Moreland|Bruce Moreland's]] [http://web.archive.org/web/20070607231311/www.brucemo.com/compchess/programming/index.htm Programming Topics]
* [http://www.top-5000.nl/authors/rebel/chess840.htm Programmer Corner - How Rebel Plays Chess] by [[Ed Schroder|Ed Schröder]], [http://members.home.nl/matador/Inside%20Rebel.pdf pdf reprint]
=References=
<references />
 
'''[[Extensions|Up one Level]]'''

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