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'''[[Main Page|Home]] * [[Engines]] * #Chess'''
'''#Chess''', (SharpChess, Sharp Chess)<br/>
a [[WinBoard]] compliant [[:Category:Open Source|open source chess program]] by [[Albert Bertilsson]], written in [[C sharp|C#]] to run under [[Microsoft]] [[Windows]] with [https://en.wikipedia.org/wiki/.NET_Framework .NET framework]. The project has been finished in early 2003 in favour to [[Sharper]] written in [[Cpp|C++]] <ref>[https://web.archive.org/web/20070607093301/http://www.albert.nu/default.asp?sub=programs/default.asp?sub=sharpchess/main.htm #Chess] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])</ref>.
=Description=
<nowiki>#Chess</nowiki> uses an [[8x8 Board|8x8 board]] maintained by a [[Negamax|negamax]] [[Alpha-Beta|alpha-beta]] [[Search|search]] with [[Transposition Table|transposition table]] inside an [[Iterative Deepening|iterative deepening]] loop. [[Evaluation]] is primarily due to [[Material|material balance]] (MB) - a positional bonus based on [[Piece-Square Tables|piece-square tables]] might be skipped by [[Lazy Evaluation|lazy evaluation]] if MB is at least 50 [[Centipawns|centipawns]] outside the [[Window|alpha-beta window]]. #Chess features a [[Perft|peft]] and [[Perft#Divide|divide]] command <ref>Description based on source code of v 0.06, [https://web.archive.org/web/20070607093301/http://www.albert.nu/default.asp?sub=programs/default.asp?sub=sharpchess/main.htm #Chess]</ref>.
=Namesake=
* [[SharpChess]] by [[Peter Hughes]]
=See also=
* [[Sharper]]
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=40734 #Chess version 0.04 released] by [[Albert Bertilsson]], [[Computer Chess Forums|Winboard Forum]], January 12, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=40841 SharpChess version 0.05 released] by [[Albert Bertilsson]], [[Computer Chess Forums|Winboard Forum]], January 18, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=41498 Engine and source release for SharpChess] by [[Albert Bertilsson]], [[Computer Chess Forums|Winboard Forum]], March 01, 2003
=External Links=
* [https://web.archive.org/web/20070607093301/http://www.albert.nu/default.asp?sub=programs/default.asp?sub=sharpchess/main.htm #Chess] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:WinBoard]]
[[Category:Namesake]]
[[Category:C sharp]]
'''#Chess''', (SharpChess, Sharp Chess)<br/>
a [[WinBoard]] compliant [[:Category:Open Source|open source chess program]] by [[Albert Bertilsson]], written in [[C sharp|C#]] to run under [[Microsoft]] [[Windows]] with [https://en.wikipedia.org/wiki/.NET_Framework .NET framework]. The project has been finished in early 2003 in favour to [[Sharper]] written in [[Cpp|C++]] <ref>[https://web.archive.org/web/20070607093301/http://www.albert.nu/default.asp?sub=programs/default.asp?sub=sharpchess/main.htm #Chess] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])</ref>.
=Description=
<nowiki>#Chess</nowiki> uses an [[8x8 Board|8x8 board]] maintained by a [[Negamax|negamax]] [[Alpha-Beta|alpha-beta]] [[Search|search]] with [[Transposition Table|transposition table]] inside an [[Iterative Deepening|iterative deepening]] loop. [[Evaluation]] is primarily due to [[Material|material balance]] (MB) - a positional bonus based on [[Piece-Square Tables|piece-square tables]] might be skipped by [[Lazy Evaluation|lazy evaluation]] if MB is at least 50 [[Centipawns|centipawns]] outside the [[Window|alpha-beta window]]. #Chess features a [[Perft|peft]] and [[Perft#Divide|divide]] command <ref>Description based on source code of v 0.06, [https://web.archive.org/web/20070607093301/http://www.albert.nu/default.asp?sub=programs/default.asp?sub=sharpchess/main.htm #Chess]</ref>.
=Namesake=
* [[SharpChess]] by [[Peter Hughes]]
=See also=
* [[Sharper]]
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=40734 #Chess version 0.04 released] by [[Albert Bertilsson]], [[Computer Chess Forums|Winboard Forum]], January 12, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=40841 SharpChess version 0.05 released] by [[Albert Bertilsson]], [[Computer Chess Forums|Winboard Forum]], January 18, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=41498 Engine and source release for SharpChess] by [[Albert Bertilsson]], [[Computer Chess Forums|Winboard Forum]], March 01, 2003
=External Links=
* [https://web.archive.org/web/20070607093301/http://www.albert.nu/default.asp?sub=programs/default.asp?sub=sharpchess/main.htm #Chess] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:WinBoard]]
[[Category:Namesake]]
[[Category:C sharp]]
