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Created page with "'''Home * Engines * Stockfish * Crystal''' FILE:USDA Mineral Quartz Crystal 93c3951.jpg|border|right|thumb| Mineral Quartz Crystal <ref>[https://com..."
'''[[Main Page|Home]] * [[Engines]] * [[Stockfish]] * Crystal'''
[[FILE:USDA Mineral Quartz Crystal 93c3951.jpg|border|right|thumb| Mineral Quartz Crystal
<ref>[https://commons.wikimedia.org/wiki/File:USDA_Mineral_Quartz_Crystal_93c3951.jpg Mineral Quartz Crystal], USDA Photo 93cs3951 by Ken Hammond, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Crystal''',<br/>
a [[UCI]] chess engine by [[Joseph Ellis]] derived from Stockfish, first published in August 2019 <ref>[http://talkchess.com/forum3/viewtopic.php?f=2&t=71547 Crystal] by [[Joseph Ellis]], [[CCC]], August 14, 2019</ref>.
Crystal focuses on better [[Chess Problems, Compositions and Studies|problem solving]] abilities, and includes [[Fortress|fortress]] detection code.
It further addresses some rarely occurring positional or [[Tactics|tactical]] blindness due to too aggressive [[Reductions|reductions]] and [[Pruning|pruning]].
=Forum Posts=
==2019==
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=71547 Crystal] by [[Joseph Ellis]], [[CCC]], August 14, 2019
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=71681 Crystal, the new tactical monster] by [[Dann Corbit]], [[CCC]], August 28, 2019
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=71903 Honey and Crystal-Honey X5j Releases] by [[Michael Byrne|MikeB]], [[CCC]], September 24, 2019
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=72368 Crystal solves a 74 mover ... in 11 seconds] by [[Jouni Uski]], November 19, 2019
==2020 ...==
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=73594 Crystal Update] by [[Joseph Ellis]], [[CCC]], April 08, 2020
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=74095 Bug in Crystal ?] by [[Vincent Lejeune]], [[CCC]], June 04, 2020
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=74175 I think Crystal must have an eval bug] by [[Dann Corbit]], [[CCC]], June 14, 2020
=External Links=
==Chess Engine==
* [https://github.com/jhellis3/Stockfish/tree/crystal GitHub - jhellis3/Stockfish at crystal]
==Misc==
* [https://en.wikipedia.org/wiki/Crystal_(disambiguation) Crystal (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Crystal Crystal from Wikipedia]
* [https://en.wikipedia.org/wiki/Ahmad_Jamal Ahmad Jamal] - [https://en.wikipedia.org/wiki/Crystal_(Ahmad_Jamal_album) Crystal] (1987), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=jKzUtABK4ng|alignment=left|valignment=top}}
=References=
<references />
'''[[Stockfish|Up one Level]]'''
[[Category:GPL]]
[[Category:Open Source]]
[[Category:UCI]]
[[Category:PC]]
[[Category:X86]]
[[Category:X64]]
[[Category:Linux]]
[[Category:Mac]]
[[Category:Windows]]
[[Category:NNUE]]
[[Category:Music]]
[[FILE:USDA Mineral Quartz Crystal 93c3951.jpg|border|right|thumb| Mineral Quartz Crystal
<ref>[https://commons.wikimedia.org/wiki/File:USDA_Mineral_Quartz_Crystal_93c3951.jpg Mineral Quartz Crystal], USDA Photo 93cs3951 by Ken Hammond, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Crystal''',<br/>
a [[UCI]] chess engine by [[Joseph Ellis]] derived from Stockfish, first published in August 2019 <ref>[http://talkchess.com/forum3/viewtopic.php?f=2&t=71547 Crystal] by [[Joseph Ellis]], [[CCC]], August 14, 2019</ref>.
Crystal focuses on better [[Chess Problems, Compositions and Studies|problem solving]] abilities, and includes [[Fortress|fortress]] detection code.
It further addresses some rarely occurring positional or [[Tactics|tactical]] blindness due to too aggressive [[Reductions|reductions]] and [[Pruning|pruning]].
=Forum Posts=
==2019==
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=71547 Crystal] by [[Joseph Ellis]], [[CCC]], August 14, 2019
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=71681 Crystal, the new tactical monster] by [[Dann Corbit]], [[CCC]], August 28, 2019
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=71903 Honey and Crystal-Honey X5j Releases] by [[Michael Byrne|MikeB]], [[CCC]], September 24, 2019
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=72368 Crystal solves a 74 mover ... in 11 seconds] by [[Jouni Uski]], November 19, 2019
==2020 ...==
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=73594 Crystal Update] by [[Joseph Ellis]], [[CCC]], April 08, 2020
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=74095 Bug in Crystal ?] by [[Vincent Lejeune]], [[CCC]], June 04, 2020
* [http://talkchess.com/forum3/viewtopic.php?f=2&t=74175 I think Crystal must have an eval bug] by [[Dann Corbit]], [[CCC]], June 14, 2020
=External Links=
==Chess Engine==
* [https://github.com/jhellis3/Stockfish/tree/crystal GitHub - jhellis3/Stockfish at crystal]
==Misc==
* [https://en.wikipedia.org/wiki/Crystal_(disambiguation) Crystal (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Crystal Crystal from Wikipedia]
* [https://en.wikipedia.org/wiki/Ahmad_Jamal Ahmad Jamal] - [https://en.wikipedia.org/wiki/Crystal_(Ahmad_Jamal_album) Crystal] (1987), [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=jKzUtABK4ng|alignment=left|valignment=top}}
=References=
<references />
'''[[Stockfish|Up one Level]]'''
[[Category:GPL]]
[[Category:Open Source]]
[[Category:UCI]]
[[Category:PC]]
[[Category:X86]]
[[Category:X64]]
[[Category:Linux]]
[[Category:Mac]]
[[Category:Windows]]
[[Category:NNUE]]
[[Category:Music]]
