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Created page with "'''Home * Engines * Sapeli''' FILE:Sapele Tree Congo Brazzaville.jpg|border|right|thumb|200px| Sapeli Tree <ref>Sapeli Tree, [https://en.wikipedia.org/wik..."
'''[[Main Page|Home]] * [[Engines]] * Sapeli'''
[[FILE:Sapele Tree Congo Brazzaville.jpg|border|right|thumb|200px| Sapeli Tree <ref>Sapeli Tree, [https://en.wikipedia.org/wiki/List_of_cities_in_the_Republic_of_the_Congo Pokola], [https://en.wikipedia.org/wiki/Republic_of_the_Congo Republic of the Congo], Image by Robert Sharp, February 15, 2008, [https://en.wikipedia.org/wiki/Sapele Sapele from Wikipedia]</ref> ]]
'''Sapeli''',<br/>
an [[UCI]] compliant, didactic [[:Category:Open Source|open source chess engine]] by [[Toni Helminen]], written in [[C]] along with some [[Python]] and [https://en.wikipedia.org/wiki/Shell_scriptShell scripts], licensed under the [[Free Software Foundation#GPL|GPL v3.0]].
So far, Sapeli has separate routines to [[Search|search]] White (max) and Black (min), and rudimentary [[Selectivity|selectivity]] without [[Null Move Pruning|null move pruning]].
=Features=
==[[Board Representation]]==
* [[Bitboard Board-Definition#CBoardDef|Classical Bitboard Board-Definition]]
* [[Magic Bitboards]]
==[[Search]]==
* [[Iterative Deepening]]
* [[Alpha-Beta]]
* [[Alpha-Beta#MaxversusMin|Max versus Min]]
* [[Late Move Reductions]]
* [[One Reply Extensions]]
* [[Transposition Table]]
* [[Quiescence Search]]
* [[MVV-LVA|MVV/LVA]]
==[[Evaluation]]==
* [[Evaluation Hash Table]]
* [[Tapered Eval]]
* [[Material]]
* [[Piece-Square Tables]]
* [[Mobility]]
* [[Pawn Structure]]
* [[King Safety]]
==Misc==
* [[KPK|KPK]] [[Endgame Bitbases|Bitbases]]
* [[Chess960]]
* [[Perft]]
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=70534 Sapeli 1.0 - New chess engine] by [[Toni Helminen|JohnWoe]], [[CCC]], April 20, 2019
=External Links=
==Chess Engine==
* [https://github.com/SamuraiDangyo/Sapeli GitHub - SamuraiDangyo/Sapeli: a chess960 engine]
* [http://ccrl.chessdom.com/ccrl/4040/cgi/engine_details.cgi?print=Details&each_game=1&eng=Sapeli%201.02%2064-bit Sapeli 1.02 64-bit] in [[CCRL|CCRL 40/40]]
* [https://ccrl.chessdom.com/ccrl/404/cgi/compare_engines.cgi?family=Sapeli&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents Sapeli] in [[CCRL|CCRL 40/4]]
==Misc==
* [https://en.wikipedia.org/wiki/Sapele Sapele from Wikipedia]
* [https://en.wikipedia.org/wiki/Sapele,_Delta Sapele, Delta from Wikipedia]
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:GPL]]
[[Category:UCI]]
[[Category:Chess960]]
[[Category:Plant]]
[[Category:Geography]]
[[FILE:Sapele Tree Congo Brazzaville.jpg|border|right|thumb|200px| Sapeli Tree <ref>Sapeli Tree, [https://en.wikipedia.org/wiki/List_of_cities_in_the_Republic_of_the_Congo Pokola], [https://en.wikipedia.org/wiki/Republic_of_the_Congo Republic of the Congo], Image by Robert Sharp, February 15, 2008, [https://en.wikipedia.org/wiki/Sapele Sapele from Wikipedia]</ref> ]]
'''Sapeli''',<br/>
an [[UCI]] compliant, didactic [[:Category:Open Source|open source chess engine]] by [[Toni Helminen]], written in [[C]] along with some [[Python]] and [https://en.wikipedia.org/wiki/Shell_scriptShell scripts], licensed under the [[Free Software Foundation#GPL|GPL v3.0]].
So far, Sapeli has separate routines to [[Search|search]] White (max) and Black (min), and rudimentary [[Selectivity|selectivity]] without [[Null Move Pruning|null move pruning]].
=Features=
==[[Board Representation]]==
* [[Bitboard Board-Definition#CBoardDef|Classical Bitboard Board-Definition]]
* [[Magic Bitboards]]
==[[Search]]==
* [[Iterative Deepening]]
* [[Alpha-Beta]]
* [[Alpha-Beta#MaxversusMin|Max versus Min]]
* [[Late Move Reductions]]
* [[One Reply Extensions]]
* [[Transposition Table]]
* [[Quiescence Search]]
* [[MVV-LVA|MVV/LVA]]
==[[Evaluation]]==
* [[Evaluation Hash Table]]
* [[Tapered Eval]]
* [[Material]]
* [[Piece-Square Tables]]
* [[Mobility]]
* [[Pawn Structure]]
* [[King Safety]]
==Misc==
* [[KPK|KPK]] [[Endgame Bitbases|Bitbases]]
* [[Chess960]]
* [[Perft]]
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=70534 Sapeli 1.0 - New chess engine] by [[Toni Helminen|JohnWoe]], [[CCC]], April 20, 2019
=External Links=
==Chess Engine==
* [https://github.com/SamuraiDangyo/Sapeli GitHub - SamuraiDangyo/Sapeli: a chess960 engine]
* [http://ccrl.chessdom.com/ccrl/4040/cgi/engine_details.cgi?print=Details&each_game=1&eng=Sapeli%201.02%2064-bit Sapeli 1.02 64-bit] in [[CCRL|CCRL 40/40]]
* [https://ccrl.chessdom.com/ccrl/404/cgi/compare_engines.cgi?family=Sapeli&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents Sapeli] in [[CCRL|CCRL 40/4]]
==Misc==
* [https://en.wikipedia.org/wiki/Sapele Sapele from Wikipedia]
* [https://en.wikipedia.org/wiki/Sapele,_Delta Sapele, Delta from Wikipedia]
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:GPL]]
[[Category:UCI]]
[[Category:Chess960]]
[[Category:Plant]]
[[Category:Geography]]
