Difference between revisions of "Zevra"
GerdIsenberg (talk | contribs) |
GerdIsenberg (talk | contribs) |
||
| Line 4: | Line 4: | ||
'''Zevra''',<br/> | '''Zevra''',<br/> | ||
| − | an [[UCI]] compliant [[:Category:Open Source|open source chess engine]] by [[Oleg Smirnov]], written in [[Cpp|C++]] and licensed under the [[Free Software Foundation#GPL|GNU General Public License]]. | + | an [[UCI]] compliant [[:Category:Open Source|open source chess engine]] by [[Oleg Smirnov]], written in [[Cpp|C++]] and licensed under the [[Free Software Foundation#GPL|GNU General Public License]]. After a two years break, the development continued. '''Zevra2''' was released in August 2021 <ref>[https://www.talkchess.com/forum3/viewtopic.php?f=2&t=78041 Zevra chess engine - I went back to development] by [[Oleg Smirnov]], [[CCC]], August 28, 2021</ref>. |
=Features= | =Features= | ||
| Line 46: | Line 46: | ||
* [http://www.talkchess.com/forum/viewtopic.php?t=65862 Tevra 1.6.2 r536] by [[Norbert Raimund Leisner]], [[CCC]], November 30, 2017 | * [http://www.talkchess.com/forum/viewtopic.php?t=65862 Tevra 1.6.2 r536] by [[Norbert Raimund Leisner]], [[CCC]], November 30, 2017 | ||
: [http://www.talkchess.com/forum/viewtopic.php?t=65862&start=33 Re: Tevra 1.6.2 r536] by [[Oleg Smirnov]], [[CCC]], March 12, 2017 | : [http://www.talkchess.com/forum/viewtopic.php?t=65862&start=33 Re: Tevra 1.6.2 r536] by [[Oleg Smirnov]], [[CCC]], March 12, 2017 | ||
| + | * [https://www.talkchess.com/forum3/viewtopic.php?f=2&t=78041 Zevra chess engine - I went back to development] by [[Oleg Smirnov]], [[CCC]], August 28, 2021 | ||
=External Links= | =External Links= | ||
==Chess Engine== | ==Chess Engine== | ||
| + | * [https://github.com/sovaz1997/Zevra2 GitHub - sovaz1997/Zevra2: Zevra 2 is new version of my chess engine] | ||
| + | * [https://github.com/sovaz1997/Zevra GitHub - sovaz1997/Zevra: Chesss Programm] (old versions without [[Null Move Pruning]]) | ||
* [http://www.sdchess.ru/download_engines.htm SDChess - Download engines] | * [http://www.sdchess.ru/download_engines.htm SDChess - Download engines] | ||
| − | |||
* [http://www.computerchess.org.uk/ccrl/404/cgi/compare_engines.cgi?family=Zevra&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 Zevra] at [[CCRL|CCRL Blitz]] | * [http://www.computerchess.org.uk/ccrl/404/cgi/compare_engines.cgi?family=Zevra&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 Zevra] at [[CCRL|CCRL Blitz]] | ||
==Misc== | ==Misc== | ||
Latest revision as of 11:30, 7 October 2021
Zebra striping patterns [1]
Zevra,
an UCI compliant open source chess engine by Oleg Smirnov, written in C++ and licensed under the GNU General Public License. After a two years break, the development continued. Zevra2 was released in August 2021 [2].
Contents
Features
Board Representation
Search
- Iterative Deepening
- Aspiration Windows
- Negamax
- Principal Variation Search
- Transposition Table
- Selectivity
- Move Ordering
Evaluation
Forum Posts
- Tevra 1.6.2 r536 by Norbert Raimund Leisner, CCC, November 30, 2017
- Re: Tevra 1.6.2 r536 by Oleg Smirnov, CCC, March 12, 2017
- Zevra chess engine - I went back to development by Oleg Smirnov, CCC, August 28, 2021
External Links
Chess Engine
- GitHub - sovaz1997/Zevra2: Zevra 2 is new version of my chess engine
- GitHub - sovaz1997/Zevra: Chesss Programm (old versions without Null Move Pruning)
- SDChess - Download engines
- Zevra at CCRL Blitz
Misc
References
- ↑ Zebra striping patterns are unique to each individual, Closeup of stripes around a zebra's eyes, image by igorowitsch, November 01, 2014, Wikimedia Commons
- ↑ Zevra chess engine - I went back to development by Oleg Smirnov, CCC, August 28, 2021
- ↑ Zevra v2.1.2 r248 has plain like declaration (U64 rookPossibleMoves[64][4096]), but fancy like implementation with variable shift!?
