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Created page with "'''Home * Engines * Paulchen332''' FILE:pchess_logo.jpg|border|right|thumb| paulchen332 Logo <ref>[https://codemetas.de/2020/11/22/The-Royal-Game.html#fn:..."
'''[[Main Page|Home]] * [[Engines]] * Paulchen332'''
[[FILE:pchess_logo.jpg|border|right|thumb| paulchen332 Logo <ref>[https://codemetas.de/2020/11/22/The-Royal-Game.html#fn:2dpixx he Royal Game], the Logo was graciously provided by [http://www.2dpixx.de/ Jana Ochse]</ref> ]]
'''paulchen332''',<br/>
an [[UCI]] compliant [[:Category:Open Source|open source chess engine]] by [[Philipp Lenk]], written in [[Cpp#17|C++ 17]], licensed under the permissive [https://en.wikipedia.org/wiki/BSD_licenses BSD 2-clause license], and first released in November 2020 <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75919 New engine: paulchen332] by [[Philipp Lenk]], [[CCC]], November 25, 2020</ref>.
=Features=
==[[Board Representation]]==
* [[Bitboards]]
* [[Sliding Piece Attacks]] by [[Occupancy of any Line|Linewise Occupancy Lookup]]
==[[Search]]==
<ref>paulchen332\include\philchess\algorithm\negamax.hpp; paulchen332\include\philchess\default_search_control.hpp</ref>
* [[Iterative Deepening]]
* [[Aspiration Windows]]
* [[NegaScout]]
* [[Alpha-Beta]]
* [[Transposition Table]]
* [[Zobrist Hashing]]
* [[Move Ordering]]
** [[PV-Move]]
** [[History Heuristic]]
** [[Killer Heuristic]]
** [[MVV-LVA|MVV/LVA]]
** [[Static Exchange Evaluation|SEE]]
* [[Selectivity]]
** [[Null Move Pruning]]
** [[Futility Pruning]]
** [[Late Move Reductions]]
** [[Razoring]]
** [[Quiescence Search]]
==[[Evaluation]]==
* [[Automated Tuning]]
* [[Tapered Eval]]
* [[Material]]
* [[Piece-Square Tables]]
* [[Mobility]]
* [[Pawn Structure]]
** [[Backward Pawn]]
** [[Doubled Pawn]]
** [[Isolated Pawn]]
** [[Passed Pawn]]
* [[King Safety]]
** [[Castling Rights]]
** [[King Safety#Attacking|Attacking King Zone]]
** [[King Safety#PawnShield|Pawn Shield]]
** [[Open File|Open Files]] ([[Half-open File|Half-open Files]])
=See also=
* [[Paul]]
* [[Superpawn]]
=Postings=
* [https://codemetas.de/2020/11/22/The-Royal-Game.html The Royal Game] by [[Philipp Lenk]], November 22, 2020
* [https://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=12550 New engine: paulchen332] by [[Philipp Lenk]], [[Computer Chess Forums|CCRL Forum]], November 23, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75919 New engine: paulchen332] by [[Philipp Lenk]], [[CCC]], November 25, 2020
=External Links=
==Chess Eingine==
* [https://github.com/philipplenk/paulchen332 GitHub - philipplenk/paulchen332: A simple UCI chess engine]
* [https://github.com/philipplenk/paulchen332/releases/tag/v0.1 Release paulchen332 v0.1 · philipplenk/paulchen332 · GitHub]
==Misc==
* [https://de.wiktionary.org/wiki/Paulchen Paulchen – Wiktionary] (German)
* [https://de.wikipedia.org/wiki/Paulchen Paulchen – Wikipedia] (German) [https://en.wikipedia.org/wiki/Diminutive Diminutive] of [https://en.wikipedia.org/wiki/Paul_(given_name) Paul]
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:UCI]]
[[Category:PC]]
[[Category:X64]]
[[Category:Windows]]
[[Category:Linux]]
[[Category:Gien Name]]
[[FILE:pchess_logo.jpg|border|right|thumb| paulchen332 Logo <ref>[https://codemetas.de/2020/11/22/The-Royal-Game.html#fn:2dpixx he Royal Game], the Logo was graciously provided by [http://www.2dpixx.de/ Jana Ochse]</ref> ]]
'''paulchen332''',<br/>
an [[UCI]] compliant [[:Category:Open Source|open source chess engine]] by [[Philipp Lenk]], written in [[Cpp#17|C++ 17]], licensed under the permissive [https://en.wikipedia.org/wiki/BSD_licenses BSD 2-clause license], and first released in November 2020 <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75919 New engine: paulchen332] by [[Philipp Lenk]], [[CCC]], November 25, 2020</ref>.
=Features=
==[[Board Representation]]==
* [[Bitboards]]
* [[Sliding Piece Attacks]] by [[Occupancy of any Line|Linewise Occupancy Lookup]]
==[[Search]]==
<ref>paulchen332\include\philchess\algorithm\negamax.hpp; paulchen332\include\philchess\default_search_control.hpp</ref>
* [[Iterative Deepening]]
* [[Aspiration Windows]]
* [[NegaScout]]
* [[Alpha-Beta]]
* [[Transposition Table]]
* [[Zobrist Hashing]]
* [[Move Ordering]]
** [[PV-Move]]
** [[History Heuristic]]
** [[Killer Heuristic]]
** [[MVV-LVA|MVV/LVA]]
** [[Static Exchange Evaluation|SEE]]
* [[Selectivity]]
** [[Null Move Pruning]]
** [[Futility Pruning]]
** [[Late Move Reductions]]
** [[Razoring]]
** [[Quiescence Search]]
==[[Evaluation]]==
* [[Automated Tuning]]
* [[Tapered Eval]]
* [[Material]]
* [[Piece-Square Tables]]
* [[Mobility]]
* [[Pawn Structure]]
** [[Backward Pawn]]
** [[Doubled Pawn]]
** [[Isolated Pawn]]
** [[Passed Pawn]]
* [[King Safety]]
** [[Castling Rights]]
** [[King Safety#Attacking|Attacking King Zone]]
** [[King Safety#PawnShield|Pawn Shield]]
** [[Open File|Open Files]] ([[Half-open File|Half-open Files]])
=See also=
* [[Paul]]
* [[Superpawn]]
=Postings=
* [https://codemetas.de/2020/11/22/The-Royal-Game.html The Royal Game] by [[Philipp Lenk]], November 22, 2020
* [https://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=12550 New engine: paulchen332] by [[Philipp Lenk]], [[Computer Chess Forums|CCRL Forum]], November 23, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75919 New engine: paulchen332] by [[Philipp Lenk]], [[CCC]], November 25, 2020
=External Links=
==Chess Eingine==
* [https://github.com/philipplenk/paulchen332 GitHub - philipplenk/paulchen332: A simple UCI chess engine]
* [https://github.com/philipplenk/paulchen332/releases/tag/v0.1 Release paulchen332 v0.1 · philipplenk/paulchen332 · GitHub]
==Misc==
* [https://de.wiktionary.org/wiki/Paulchen Paulchen – Wiktionary] (German)
* [https://de.wikipedia.org/wiki/Paulchen Paulchen – Wikipedia] (German) [https://en.wikipedia.org/wiki/Diminutive Diminutive] of [https://en.wikipedia.org/wiki/Paul_(given_name) Paul]
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:UCI]]
[[Category:PC]]
[[Category:X64]]
[[Category:Windows]]
[[Category:Linux]]
[[Category:Gien Name]]
