422
edits
Changes
→2020 ...
=Initial Position=
Obviously, Perft(1) of the [[Initial Position|initial position]] is 20, Perft(2) 400. Data of Perft(10) up to Perft(13) was provided by [[Steven Edwards]], generated by [[Symbolic]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=46055 Perft FEN data] by [[Steven Edwards]], [[CCC]], November 18, 2012</ref> , when Perft(14)<ref>[http://www.talkchess.com/forum/viewtopic.php?t=61119&start=30 Re: yet another attempt on Perft(14)] by [[Ankan Banerjee]], [[CCC]], September 09, 2016</ref> and Perft(15)<ref>[http://www.talkchess.com/forum/viewtopic.php?t=64983&start=4 Re: perft(15)] by [[Ankan Banerjee]], [[CCC]], August 25, 2017</ref> were provided by [[Ankan Banerjee]].
<fentt border="double" style="font-size:24pt">rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR</fentt>
rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
<span id="kiwipete"></span>
=Position 2=
also known as '''Kiwipete''' by [[Peter McKenzie]] <ref>[https://www.stmintz.com/ccc/index.php?id=274926 kiwipete perft position] by [[Russell Reagan]], [[CCC]], January 04, 2003</ref>. The number of double-checks in depth 5 is discussed in [[CCC|Talkchess]] <ref>[http://talkchess.com/forum3/viewtopic.php?f=7&t=78402 Perft statistics - chessprogrammingwiki] by [[Murat Yirci]], [[CCC]], October 10, 2021</ref> and may be 2645 instead of 2637.
<fentt border="double" style="font-size:24pt">r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R</fentt>
r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -
|}
<span id="Position3"></span>
=Position 3=
<fentt border="double" style="font-size:24pt">8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8</fentt>
| style="text-align:right;" | 490,154,852,788,714
|}
=See also=
* [[Chess960 Perft Results]]
* [[Chinese Chess Perft Results]]
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=70543 Contrived position for perft] by [[Michael Sherwin]], [[CCC]], April 21, 2019
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=71379 You gotta love Perft... just not too much!] by [[Martin Bryant]], [[CCC]], July 27, 2019
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=71841&p=812577 Level 11 Perft statistics] by [[Andreas Øverland]], [[CCC]], September 17, 2019
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=75877 Place to find correct perft result from a fen position] by [[Elias Nilsson]], [[CCC]], November 20, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=76430 Chinese chess Xiangqi perft results] by [[Maksim Korzh]], [[CCC]], January 27, 2021 » [[Chinese Chess Perft Results]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77069 Perft 7 -> 1.6 trillion moves] by [[Michael Byrne|MikeB]], [[CCC]], April 12, 2021
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=77350 Being silly with perft and legal move generation] by [[Jakob Progsch]], [[CCC]], May 19, 2021 » [[Move Generation#Legal|Legal Move Generation]], [[En passant]]
* [https://talkchess.com/viewtopic.php?t=83392 Perft(16) estimate after averaging MC samples.] by Ajedrecista, [[CCC]], February 26, 2024
=External Links=
* [httphttps://oeis.org/A048987 A048987] from [https://en.wikipedia.org/wiki/On-Line_Encyclopedia_of_Integer_Sequences On-Line Encyclopedia of Integer Sequences (OEIS)]* [https://home.hccnet.nl/h.g.muller/dwnldpage.html µ-Max Dowload Page - qperft] by [[Harm Geert Muller]]* [httphttps://marcelk.net/rookie/nostalgia/v3/perft-random.epd perft-random.epd] by [[Marcel van Kervinck]]* [httphttps://wwwcraftychess.cis.uab.educom/hyattdocumentation/craftydoc.html Crafty Command Documentation] by [[Robert Hyatt]], see [[Crafty]] perft <depth>* [https://web.archive.org/web/20060430011809/http://www.albert.nu/programs/sharper/perft.htm Sharper - Perft calculation] by [[Albert Bertilsson]]([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])* [https://web.archive.org/web/20130517080941/http://www.albert.nu/programs/dperft/maindefault.htm asp Distributed Perft Project] by [[Albert Bertilsson]]([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine])
* [http://www.rocechess.ch/perft.html perft, divide, debugging a move generator] from [[ROCE]] by [[Roman Hartmann]]
* [https://sites.google.com/site/numptychess/perft Perft - sample test positions] used by [[Numpty chess]]
* [https://www.stmintz.com/ccc/index.php?terms=perft&search=1 Perft], search the [[Computer Chess Forums|CCC Archives]]
* [https://wismuth.com/chess/statistics-games.html Statistics on chess games] by [[Mathematician#FLabelle|François Labelle]]
* [https://sites.googlegithub.com/siteelcabesa/numptychessvajolet/blob/master/tests/perft Perft - sample test positions.txt vajolet/perft.txt at master · elcabesa/vajolet · GitHub] used by [[Numpty chessMarco Belli]]
=References=
<references />
'''[[Perft|Up one level]]'''
