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Created page with "'''Home * Engines * Fizbo''' '''Fizbo''',<br/> a Chess Engine Communication Protocol, and since version 1.5, UCI compliant <ref>[http://kirill-kryuk..."
'''[[Main Page|Home]] * [[Engines]] * Fizbo'''
'''Fizbo''',<br/>
a [[Chess Engine Communication Protocol]], and since version 1.5, [[UCI]] compliant <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=8241 Fizbo version 1.5 released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], August 16, 2015</ref> chess engine by [[Youri Matiounine]], first released in May 2014 <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7523 new engine - Fizbo - could you please test it?] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 07, 2014</ref>, apparently [[Bitboards|bitboard]] based, requiring [[x86-64]] [[BitScan#bsfbsr|bitscan forward]] <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7523 new engine - Fizbo - could you please test it?] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 07, 2014</ref> and taking advantage from [[Population Count|population count]] [[x86-64#gpinstructions|instruction]]. Since version '''1.2''', Fizbo performs a [[Parallel Search|parallel search]] based on a version of enhanced [[Parallel Search#PrincipalVariationSplitting|PV splitting algorithm]], only one split-point is active at a time, along with [[Iterative Deepening|iterative deepening]], since '''1.3''' with [[Aspiration Windows|aspiration windows]]. [[Syzygy Bases]] with up to five pieces were used since version '''1.4''' released in May 2015. The [[Transposition Table|transposition table]] with dense 8 byte entries is used also in [[Quiescence Search|quiescence search]] <ref>[https://sites.google.com/site/fizbochessengine/ Fizbo Chess Engine]</ref>.
=Further Versions=
==Fizbo 1.7==
Fizbo '''1.7''', released in March 2016, improved in [[Evaluation|evaluation]] due to changed and new features, including [[Pawn Pattern and Properties|pawn pattern]], considering all possible combinations of two pawns of the same color <ref>[http://www.talkchess.com/forum/viewtopic.php?t=59608&start=3 Re: Fizbo 1.7 is released] by [[Youri Matiounine]], [[CCC]], March 23, 2016</ref>, and further supports 6-piece [[Syzygy Bases]].
==Fizbo 1.8==
Fizbo '''1.8''' in August 2016 came with a [[BMI2]] executable, improved [[Pondering|pondering]] logic, reworked parallel search logic, and multiple small changes to [[Search|search]] and [[Evaluation|evaluation]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=61243 Fizbo 1.8 released] by [[Youri Matiounine]], [[CCC]], August 26, 2016</ref>.
==Fizbo 1.9==
Fizbo '''1.9''', released on December 31, 2016, further enhanced considerably due to extensive changes and new features in [[Evaluation|evaluation]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=62677 Fizbo 1.9 released] by [[Youri Matiounine]], [[CCC]], December 31, 2016</ref>.
=Forum Posts=
==2014==
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7523 new engine - Fizbo - could you please test it?] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 07, 2014
* [http://www.talkchess.com/forum/viewtopic.php?t=52270 Fizbo 1.1] by [[Graham Banks]], [[CCC]], May 09, 2014
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7668 new version of Fizbo engine released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], July 28, 2014
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7826 Fizbo version 1.3 is released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], November 11, 2014
* [http://www.talkchess.com/forum/viewtopic.php?t=54318 Fizbo 1.3 released] by [[Graham Banks]], [[CCC]], November 12, 2014
==2015==
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=8113 Fizbo version 1.4 released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 18, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=56408 Fizbo 1.4 released] by [[Graham Banks]], [[CCC]], May 18, 2015
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=8241 Fizbo version 1.5 released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], August 16, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=57288 Fizbo version 1.5 released] by [[Graham Banks]], [[CCC]], August 16, 2015
==2016==
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=8460 Fizbo version 1.6 released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], January 29, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=59101 Fizbo 1.6 released] by [[Graham Banks]], [[CCC]], January 29, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=59608 Fizbo 1.7 is released] by [[Youri Matiounine]], [[CCC]], March 23, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=61243 Fizbo 1.8 released] by [[Youri Matiounine]], [[CCC]], August 26, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=62677 Fizbo 1.9 released] by [[Youri Matiounine]], [[CCC]], December 31, 2016
==2017==
* [http://www.talkchess.com/forum/viewtopic.php?t=66090 Fizbo 2 has been released] by [[Youri Matiounine]], [[CCC]], December 21, 2017
=External Links=
==Chess Engine==
* [https://sites.google.com/site/fizbochessengine/ Fizbo Chess Engine]
* [http://www.computerchess.org.uk/ccrl/404/cgi/compare_engines.cgi?family=Fizbo&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 Fizbo] in [[CCRL|CCRL 40/4]]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Fizbo&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 Fizbo] in [[CCRL|CCRL 40/40]]
==Misc==
* [https://en.wiktionary.org/wiki/fizbo fizbo - Wiktionary]
* [https://en.wikipedia.org/wiki/Fizbo Fizbo from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
'''Fizbo''',<br/>
a [[Chess Engine Communication Protocol]], and since version 1.5, [[UCI]] compliant <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=8241 Fizbo version 1.5 released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], August 16, 2015</ref> chess engine by [[Youri Matiounine]], first released in May 2014 <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7523 new engine - Fizbo - could you please test it?] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 07, 2014</ref>, apparently [[Bitboards|bitboard]] based, requiring [[x86-64]] [[BitScan#bsfbsr|bitscan forward]] <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7523 new engine - Fizbo - could you please test it?] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 07, 2014</ref> and taking advantage from [[Population Count|population count]] [[x86-64#gpinstructions|instruction]]. Since version '''1.2''', Fizbo performs a [[Parallel Search|parallel search]] based on a version of enhanced [[Parallel Search#PrincipalVariationSplitting|PV splitting algorithm]], only one split-point is active at a time, along with [[Iterative Deepening|iterative deepening]], since '''1.3''' with [[Aspiration Windows|aspiration windows]]. [[Syzygy Bases]] with up to five pieces were used since version '''1.4''' released in May 2015. The [[Transposition Table|transposition table]] with dense 8 byte entries is used also in [[Quiescence Search|quiescence search]] <ref>[https://sites.google.com/site/fizbochessengine/ Fizbo Chess Engine]</ref>.
=Further Versions=
==Fizbo 1.7==
Fizbo '''1.7''', released in March 2016, improved in [[Evaluation|evaluation]] due to changed and new features, including [[Pawn Pattern and Properties|pawn pattern]], considering all possible combinations of two pawns of the same color <ref>[http://www.talkchess.com/forum/viewtopic.php?t=59608&start=3 Re: Fizbo 1.7 is released] by [[Youri Matiounine]], [[CCC]], March 23, 2016</ref>, and further supports 6-piece [[Syzygy Bases]].
==Fizbo 1.8==
Fizbo '''1.8''' in August 2016 came with a [[BMI2]] executable, improved [[Pondering|pondering]] logic, reworked parallel search logic, and multiple small changes to [[Search|search]] and [[Evaluation|evaluation]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=61243 Fizbo 1.8 released] by [[Youri Matiounine]], [[CCC]], August 26, 2016</ref>.
==Fizbo 1.9==
Fizbo '''1.9''', released on December 31, 2016, further enhanced considerably due to extensive changes and new features in [[Evaluation|evaluation]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=62677 Fizbo 1.9 released] by [[Youri Matiounine]], [[CCC]], December 31, 2016</ref>.
=Forum Posts=
==2014==
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7523 new engine - Fizbo - could you please test it?] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 07, 2014
* [http://www.talkchess.com/forum/viewtopic.php?t=52270 Fizbo 1.1] by [[Graham Banks]], [[CCC]], May 09, 2014
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7668 new version of Fizbo engine released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], July 28, 2014
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=7826 Fizbo version 1.3 is released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], November 11, 2014
* [http://www.talkchess.com/forum/viewtopic.php?t=54318 Fizbo 1.3 released] by [[Graham Banks]], [[CCC]], November 12, 2014
==2015==
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=8113 Fizbo version 1.4 released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], May 18, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=56408 Fizbo 1.4 released] by [[Graham Banks]], [[CCC]], May 18, 2015
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=8241 Fizbo version 1.5 released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], August 16, 2015
* [http://www.talkchess.com/forum/viewtopic.php?t=57288 Fizbo version 1.5 released] by [[Graham Banks]], [[CCC]], August 16, 2015
==2016==
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=8460 Fizbo version 1.6 released] by [[Youri Matiounine]], [[Computer Chess Forums|CCRL Discussion Board]], January 29, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=59101 Fizbo 1.6 released] by [[Graham Banks]], [[CCC]], January 29, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=59608 Fizbo 1.7 is released] by [[Youri Matiounine]], [[CCC]], March 23, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=61243 Fizbo 1.8 released] by [[Youri Matiounine]], [[CCC]], August 26, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=62677 Fizbo 1.9 released] by [[Youri Matiounine]], [[CCC]], December 31, 2016
==2017==
* [http://www.talkchess.com/forum/viewtopic.php?t=66090 Fizbo 2 has been released] by [[Youri Matiounine]], [[CCC]], December 21, 2017
=External Links=
==Chess Engine==
* [https://sites.google.com/site/fizbochessengine/ Fizbo Chess Engine]
* [http://www.computerchess.org.uk/ccrl/404/cgi/compare_engines.cgi?family=Fizbo&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 Fizbo] in [[CCRL|CCRL 40/4]]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Fizbo&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 Fizbo] in [[CCRL|CCRL 40/40]]
==Misc==
* [https://en.wiktionary.org/wiki/fizbo fizbo - Wiktionary]
* [https://en.wikipedia.org/wiki/Fizbo Fizbo from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
