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'''[[Main Page|Home]] * [[Knowledge]] * [[Endgame Tablebases]] * Felicity Tablebases'''
'''Felicity Tablebases''',<br/>
are open source endgame tablebases in C++ for chess, [[Chinese Chess|Xiangqi]] and [[Jeiqi]] developed by [[Pham Hong Nguyen|Nguyen Pham]], providing some popular metrics such as [[Endgame Tablebases#DTM|depth to mate]] and [[Endgame Tablebases#DTC|depth to convert]] information. First published in 2018, it supported only Xiangqi at that time and it used a special compression algorithm to create and run with a very small-size EGTB. In April 2024, Nguyen Pham restarted the project, rewrote the whole code, added the generator, and supported chess, Xiangqi and Jeiqi.
=License=
It is an opensource, published with an MIT license.
=See also=
* [[Endgame Bitbases|Bitbases]]
* [[Edwards' Tablebases]]
* [[Gaviota Tablebases]]
* [[Lomonosov Tablebases]]
* [[Nalimov Tablebases]]
* [[Scorpio Bitbases]]
* [[Syzygy Bases]]
* [[Thompson's Databases]]
=Forum Posts=
* [https://talkchess.com/viewtopic.php?t=66337 A new design for Xianqgi ([[Chinese Chess]]) Endgame Tablebase] by [[Pham Hong Nguyen|Nguyen Pham]], [[CCC]], January 16, 2018
* [https://banksiagui.com/forums/viewtopic.php?p=650#p650 Progress reports] by [[Pham Hong Nguyen|Nguyen Pham]], April 16, 2024
* [https://talkchess.com/viewtopic.php?t=83676 Felicity EGTB generators and probers] by [[Pham Hong Nguyen|Nguyen Pham]], [[CCC]], April 20, 2024
=External Links=
* [https://github.com/nguyenpham/FelicityEgtb GitHub - nguyenpham/FelicityEgtb] by [[[Pham Hong Nguyen|Nguyen Pham]]
: {{#evu:https://www.youtube.com/watch?v=xUj-lfx6vbo|alignment=left|valignment=top}}
=References=
<references />
'''[[Endgame Tablebases|Up one level]]'''
'''Felicity Tablebases''',<br/>
are open source endgame tablebases in C++ for chess, [[Chinese Chess|Xiangqi]] and [[Jeiqi]] developed by [[Pham Hong Nguyen|Nguyen Pham]], providing some popular metrics such as [[Endgame Tablebases#DTM|depth to mate]] and [[Endgame Tablebases#DTC|depth to convert]] information. First published in 2018, it supported only Xiangqi at that time and it used a special compression algorithm to create and run with a very small-size EGTB. In April 2024, Nguyen Pham restarted the project, rewrote the whole code, added the generator, and supported chess, Xiangqi and Jeiqi.
=License=
It is an opensource, published with an MIT license.
=See also=
* [[Endgame Bitbases|Bitbases]]
* [[Edwards' Tablebases]]
* [[Gaviota Tablebases]]
* [[Lomonosov Tablebases]]
* [[Nalimov Tablebases]]
* [[Scorpio Bitbases]]
* [[Syzygy Bases]]
* [[Thompson's Databases]]
=Forum Posts=
* [https://talkchess.com/viewtopic.php?t=66337 A new design for Xianqgi ([[Chinese Chess]]) Endgame Tablebase] by [[Pham Hong Nguyen|Nguyen Pham]], [[CCC]], January 16, 2018
* [https://banksiagui.com/forums/viewtopic.php?p=650#p650 Progress reports] by [[Pham Hong Nguyen|Nguyen Pham]], April 16, 2024
* [https://talkchess.com/viewtopic.php?t=83676 Felicity EGTB generators and probers] by [[Pham Hong Nguyen|Nguyen Pham]], [[CCC]], April 20, 2024
=External Links=
* [https://github.com/nguyenpham/FelicityEgtb GitHub - nguyenpham/FelicityEgtb] by [[[Pham Hong Nguyen|Nguyen Pham]]
: {{#evu:https://www.youtube.com/watch?v=xUj-lfx6vbo|alignment=left|valignment=top}}
=References=
<references />
'''[[Endgame Tablebases|Up one level]]'''
