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Free Chess Engines

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Free Chess Engines

Top Chess Engine Championship – Wikipedia

Top Chess Engine Championship, formerly known as Thoresen Chess Engines Competition (TCEC or nTCEC), is a computer chess tournament that has been run since 2010. It was organized, directed, and hosted by Martin Thoresen until the end of Season 6; from Season 7 onward it has been organized by Chessdom. It is often regarded as the Unofficial World Computer Chess Championship because of its strong participant line-up and long time-control matches on high-end hardware, giving rise to very high-class chess.[1][2]

After a short break in 2012,[3] TCEC was restarted in early 2013 (as nTCEC)[4] and is currently active (renamed as TCEC in early 2014) with 24/7 live broadcasts of chess matches on its website.

Since season 5, TCEC has been sponsored by Chessdom Arena.[5][6] The current TCEC champion is Stockfish 180614, which defeated Komodo 12.1.1 in the TCEC Season 12 Superfinal 100-game match held in JuneJuly 2018.

The TCEC competition is divided into seasons, where each season happens over a course of a few months, with matches played round-the-clock and broadcast live over the internet. Each season is divided into several qualifying stages and one “superfinal”, where the top two chess engines play 100 games to win the title of “TCEC Grand Champion”. In the superfinal, each engine plays 50 openings, once as each side. Beginning in Season 11 in 2018, a division system was introduced; the top 2 engines in each division are promoted, and the bottom 2 are relegated. Currently there are 5 divisions (a Premier division, and divisions 1-4); newcomers generally start in division 4.

Pondering is set to off. All engines run on mostly the same hardware[7] and use the same opening book, which is set by the organizers and changed in every stage. Large pages are disabled but access to various endgame tablebases is permitted. Engines are allowed updates between stages; if there is a critical play-limiting bug, they are also allowed to be updated once during the stage. If an engine crashes 3 times in one event, it is disqualified to avoid distorting the results for the other engines. TCEC generates its own elo rating list from the matches played during the tournament. An initial rating is given to any new participant based on its rating in other chess engine rating lists.

There is no definite criterion for entering into the competition, other than inviting the top participants from various rating lists. Initially, the list of participants was personally chosen by Thoresen before the start of a season. His stated goal was to include “every major engine that is not a direct clone”.[8] However, Shredder’s developers have declined to enter it in the competition. Usually chess engines that support multiprocessor mode are preferred (8-cores or higher). Both Winboard and UCI engines are supported.

Shredder vs Gull, TCEC S4

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Top Chess Engine Championship – Wikipedia

Chess Engines Diary

Full acces to the folder: CHESS ENGINES – about 3000 files!If you do not want to wait a long time for download – donate a minimum of 10$, enter your email – you will gain full access to the folder with chess engines. Bonus on donate of 15$ – acces to the folder with games, tables, engines pack. My email: jotes@go2.pl

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Chess Engines Diary

computer_chess:wiki:lists:chess_engine_list – Computer …

Latest Date Engine Site Latest Version Author Alternate Download Protocol Comment 2018/10/25 Counter 3.0 Vadim Chizhov SDChess UCI Go source; mp(8+ threads max); Linux, Win 2018/10/25 Kingfisher 1.0 Eric Yip – UCI C++ source; Win 2018/10/25 Pirarucu 2.6.1 Raoni Campos – UCI Kotlin source; mp; cross-platform jar file 2018/10/25 Weini 0.0.24 Vivien Clauzon – XB*, UCI* C++ source; mp{20 threads max}; * – XB, UCI protocols are partially implemented; Linux, Win 2018/10/25 Zeta Dva 0306 Srdja Matovic Tony Mokonen Norbert Raimund Leisner Kirill Kryukov JA builds Julien Marcel XB C source; Linux, Mac, Win 2018/10/18 Monolith 1.0 Jonas Mayr – UCI C++ source; mp; MultiPV; FRC; supports PolyGlot opening books and Syzygy egtbs; Linux, Windows 2018/10/18 SugaR XPro 1.1 Tord Romstad, Marco Costalba, Joona Kiiski, many others, & Marco Zerbinati Source + download alt site UCI C++ source; mp (128 threads max); multiPV; FRC; Win; supports Syzygy egtbs; Stockfish derivative 2018/10/18 Tucano 7.06 TCEC Alcides Schulz JA Linux builds Julien Marcel Mac very old build XB C source; mp(8+ threads max); Linux, Mac, Win; successor to Sedicla engine; also Enxadrista 1.0*,*an educational engine written in C# w/ Portuguese comments 2018/10/11 Scorpio 2.8.9 MCTS Daniel Shawul source + downloads SDChess Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac builds XB C++ source; mp(32 threads max); Linux, Mac, Win; own endgame bitbases 2018/10/11 Tom Thumb 0.2 Tom Kalmijn – UCI Scala source; cross-platform jar file 2018/10/04 Apollo 1.2.1 Stuart Nevans Locke – UCI C++ source; Win 2018/10/04 Arasan 21.1 Jon Dart source code old JA builds old JA Linux builds very old JM Mac builds XB, UCI C++ source; own GUI, mp(64 threads max); multiPV; limit strength; uses Syzyzgy egtbs; Linux, Mac, Win 2018/10/04 Ares GB Charles Roberson – XB, UCI Win; XB support is minimal 2018/10/04 CT800 1.32 Rasmus Althoff – UCI C source; Linux, Win; NG-Play derivative 2018/10/04 Invictus r228 Edsel Apostol – UCI C++ source; mp; Win; other engines: Twisted Logic, Hannibal 2018/10/04 LCZero 0.18.1 Gary Linscott et al – UCI C++ source; mp(64 cores max); multiPV; supports Syzygy egtbs; Stockfish derivative; requires expensive GPU for best performance 2018/10/04 Monik 2.2.6 Sylvain Lacombe 2.2.6(Win) TM old JA builds old JA Linux builds 2.11 Julien Marcel Mac builds XB C++ source (French comments); Linux, Mac, Win 2018/10/04 ProDeo 2.9 Ed Schrder Ed Schrder XB, UCI mp (2 threads max); Win 2018/10/04 RubiChess 1.1 Andreas Matthies 1.1(Mac) by Dariusz UCI C++ source; supports Syzygy tablebases; Mac, Win 2018/10/04 Squared Chess 1.2.1 Jost Triller – UCI C++ source; Linux, Mac, Win 2018/09/27 Ceibo 0.4.1 Federico Rojo – UCI Win 2018/09/27 ChessbrainVB 3.70 TCEC Roger Zuehlsdorf – XB mp(64 threads max); supports Sygygy ebtbs; Win; LarsenVB derivative 2018/09/27 Gdel 4.4.5 Juan Manuel Vzquez JA Linux builds XB, UCI Linux, Win 2018/09/27 PyChess 0.99.3 Thomas Dybdahl Ahle, Bajusz Tams & Justin Blanchard downloads source XB Python source; variant play; Linux, Mac, Win; requires Python interpreter with ‘-u’ option invoked (to disable i/o buffering) 2018/09/27 Wowl Chess 1.3.8 Eric Yip – UCI C++ source; Linux, Win 2018/09/27 Xiphos 0.4 Milos Tatarevic unofficial build SDChess UCI C source; mp(64 cores max); Linux, Mac, Win 2018/09/20 Sting SF 10.1 Marek Kwiatkowski 10.1 old Kirill Kryukov JA builds old JA Linux builds Julien Marcel old Mac builds UCI C++ source; mp(512 threads max); Linux, Mac(JM), Win; requires extra dlls (not included); Stockfish 2.1.1 derivative 2018/09/14 Chenglite 1.1* Maksim Korzh 1.1TM (Win) SDChess UCI C source; Linux, Mac, Win; *official version has been reverted back to 1.0 2018/09/14 Ethereal 11.00 Andrew Grant SDChess UCI C source; mp; uses Syzygy egtbs; Linux, Mac, Win; successor to Chengine, which name was already taken 2018/09/14 Prophet 3 2018.08.11 James Swafford source Kirill Kryukov JA builds XB C++ source; Linux{JA only}, Win; successor to Galahad 2018/09/14 Vajolet2 2.6.1 Marco Belli SDChess old downloads blog old homepage old source UCI C++ source; mp(128 threads max); multiPV; supports Syzygy egtbs; Linux, Mac, Win 2018/09/06 Chess22k 1.11 Sander Maassen vd Brink SJCE UCI Java source; cross-platform jar file 2018/09/06 Embla 2.0.0 Folkert van Heusden source XB, UCI mp (INT_MAX threads); supports Polyglot opening books & Syzygy ebtbs; Linux, Mac, Win 2018/09/06 EnkoChess 29.08.18 Evgeniy Silchenko SDChess UCI own GUI; Win 2018/09/06 Safrad 2.2.40.360 David Safranek – UCI Win 2018/09/06 Zevra 1.8.6.r672 Oleg Smirnov SDChess Norbert Raimund Leisner UCI C++ source; Linux, Mac, Win 2018/08/30 Asymptote 0.2.0 Maximilian Lupke – UCI Rust source; Linux, Mac, Win 2018/08/30 Rodent III 0.273 Pablo Vazquez + Pawel Koziol downloads Rodent III source + download Rodent II source + download SDChess(Linux) Kirill Kryukov JA builds JA Linux builds Denis Mendoza old Sourceforge code dev code Julien Marcel Mac old build UCI C source; mp(48 threads max); MuliPV; supports Polyglot opening book; limit strength; Linux, Mac, Win; originally based on Sungorus code; supports personalities 2018/08/30 Rofchade 1.0 Ronald Friederich – UCI C++ source; mp; Mac, Win 2018/08/30 Schooner 1.8.3 Dennis Sceviour code XB Win; own book & supports Polyglot books 2018/08/23 Dorky 4.8 Matt McKnight 4.8 XB Win; mp(8+ threads max); supports Nalimov egtbs 2018/08/23 Galjoen 0.39.2 Werner Taelemans SDChess *XB, UCI C++ source; FRC; MultiPV; own GUI; limit strength; uses Polyglot books; *XB – older version only Linux, Win 2018/08/23 GreKo 2018.08 Vladimir Medvedev older GreKo files Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac builds(old) SDChess Norbert Raimund Leisner XB, UCI C++ source; multiPV: limit strength; Linux, Mac, Win; Igel is a close derivative of GreKo 2018/08/10 Belofte 0.9.3 Yves De Billoz Tony Mokonen Norbert Raimund Leisner Julien Marcel Mac builds XB, UCI C source; Linux, Mac, Win 2018/08/10 Uralochka 1.1d Ivan Maklyakov 1.1d SDChess Norbert Raimund Leisner UCI Win 2018/08/10 Winter 0.2 Jonathan Rosenthal – UCI C++ source; Linux, Mac, Win 2018/08/03 The Baron 3.43 Richard Pijl alternate homepage Ed Schrder Wayback Machine XB, UCI mp(12 threads max); multiPV; supports Syzygy egtbs; learning; FRC; Linux, Win 2018/08/03 Chess4J 3.4.1 James Swafford old Kirill Kryukov JA builds XB Java and Groovy source; cross-platform jvm jar file 2018/08/03 K2 0.91 Sergey Meus SDChess Julien Marcel Mac builds XB, UCI C++ source; Linux, Mac, Win 2018/08/03 Nemorino 5.00 Christian Gnther – XB, UCI mp(128 threads max); multiPV; supports FRC; supports Syzygy egtbs; Win64 2018/08/03 Pedone 1.8 Fabio Gobbato 1.8 G-Sei UCI mp(128 threads max); multiPV; limit strength; FRC; Linux, Win; supports Syzygy egtbs & Polyglot opening books; also a didactic engine named PedoneBase 2018/07/19 Chenard 2018.03.05 Don Cross Kirill Kryukov JA builds Julien Marcel Mac very old build XB C++ source is public domain; uses custom egtbs; Linux, Mac, Win; own GUI 2018/07/19 Coiled 0.6 Oscar Gavira 0.6 UCI Linux, Win 2018/07/19 Hedgehog 1.9 Eugene Kotlov 1.9 SDChess UCI Win 2018/07/19 Laser 1.6 Jeffrey An & Michael An SDChess UCI C++ source; mp(128 threads max); supports Syzygy ebtbs; Linux, Mac, Win 2018/07/19 LittleWing 0.5.0 Vincent Ollivier downloads Tony Mokonen XB Rust source; mp; Win 2018/07/19 Sabrina 3.1.27 Stefano Gemma G-Sei XB tournament mode; Linux, Mac, Win; formerly named Satana 2018/07/19 Topple 0.2.1 Vincent Tang – UCI C++ source; Linux, Win 2018/07/12 Andscacs 0.94 Daniel Jos Queralt – UCI mp (128 threads max); multi-PV; Syzygy ebtb support; Win 2018/07/12 Booot 6.3.1 Alex Morozov 6.3.1 SDChess Norbert Raimund Leisner UCI Pascal source (Russian language comments); mp(64 threads max); Win 2018/07/12 tomitank Chess 2.0 Tams Kuzmics – UCI JavaScript source 2018/07/12 Xadreco 5.85.180710.005728 Ruben Carlo Benante Hermann Krause older versions Norbert Raimund Leisner Julien Marcel Mac builds JA Linux builds XB C source (Portugese language comments) mp; Linux, Mac; old version supports UCI 2018/07/06 Marvin 3.1.0 Martin Danielsson 1.30 XB, UCI C source; mp(64 threads max); supports Polyglot opening books & Syzygy egtbs; Linux, Mac, Win 2018/07/06 Nemeton 1.7 Stan Arts 1.7 Guenther Simon RWBC 1.41, 1.4 XB Pascal source; mp (4 threads max) Win 2018/06/28 Orion 0.5 David Carteau – UCI Win64 2018/06/21 Betsab II 1.84 fixed Juan Benitez, Dieter Steinwender, & Chrilly Donninger 1.84 fixed Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac builds XB, UCI C source w/ Spanish comments & var names; Linux, Mac, Win; this is a MiniMAX derivative 2018/06/14 Drosophila 1.5.1 Gustaf Ullberg – XB Linux, Win; successor to Pawned engine 2018/06/14 Dimitri 4.00 Luigino Viscione 1.36, 1.0, 0.73 Norbert Raimund Leisner XB Win; requires VB6 runtime 2018/06/14 Swordfight 2018.02.28 ukasz Kouchowski – XB Clojure source; cross-platform jar file 2018/06/07 HoiChess 0.22.0 Holger Ruckdeschel latest downloads SDChess Jim Ablett JA Linux builds XB C++ source; mp(8+ threads max); Linux, Win; variant play 2018/06/07 Komodo 12.1.1 Don Dailey, Larry Kaufman & Mark Lefler Kirill Kryukov JA builds JA Linux builds BeeKay(Win64) UCI commercial, older versions are free; mp (64 threads); FRC; multiPV; Linux, Mac, Win; own GUI (Tarrasch Chess GUI); supports Polyglot opening books; supports Syzygy egtbs 2018/06/07 Robocide 0.4 Daniel White Tony Mokonen UCI C source; FRC; Win 2018/05/31 Deuterium 2018.1.35.514 Ferdinand Mosca 2018.1.35.514 2018.1.35.514 UCI old versions were XB-only; Win; MultiPV; supports Polyglot books 2018/05/31 Fire 7.1 Norman Schmidt Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac very old build UCI mp(64 threads max); multiPV; Linux, Mac, Win; Syzygy egtbs; original engine name was Firebird, renamed to Fire due to a trademark naming conflict 2018/05/31 Jumbo 0.6.35 Sven Schle – XB mp(no max core limit); supports Polyglot opening books & Gaviota egtbs; Win; requires external dlls (not included with package); successor to Surprise, KnockOut & Femto and Femto 0.9 2018/05/24 Sayuri 2018.05.23 Ishibashi Hironori SDChess old MB build (Mac) UCI C++ source (Japanese comments); mp (up to 64 threads); Linux, Mac, Win 2018/05/24 Wchess 1.06 David Kittinger 1.06 Norbert Raimund Leisner UCI Win 2018/05/18 DanaSah 7.30 Pedro Castro 7.30 Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac builds GitHub DanasahZ 0.4 XB, UCI C source (Spanish language comments); Limit strength; Linux, Mac, Win; FRC; supports Gaviota egtbs + Scorpio bitbases and ProDeo opening book 2018/05/18 Ronja 0.7.0 Johan Dykstrm Norbert Raimund Leisner XB Java source; cross-platform 2018/05/18 Wasp 3.00 John Stanback Frank’s Chess Page UCI mp(64 threads max); Win; successor to Zarkov 2018/05/04 Jonesy 1.0 Miguel Izquierdo – XB Win 2018/05/04 Popochin 4.1 Miguel Izquierdo 3.2 XB Win 2018/05/04 RuyDos 1.1.6 lvaro Begu & Jos Manuel Morn SDChess alt site UCI C++ source; support for Syzygy egtbs; Linux, Win 2018/04/19 Lozza 1.18 Colin Jenkins 1.18 source UCI JavaScript source; Win, requires Node.js to run stand-alone (not dependent on a browser) 2018/04/05 Detroid 0.9.0 Victor Csomor – UCI Java source; mp(8+ threads max); supports Polyglot opening books & Gaviota egtbs; cross-platform jar file; own GUI; built-in static evaluation parameter tuning optimization 2018/04/05 Dorpsgek Eve’s Temptation Matthew Brades SDChess Tony Mokonen XB C source; Linux, Win 2018/04/05 Isa 2.0.64 Daniel Anulliero 2.0.64 XB Linux, Win 2018/03/30 Napoleon 1.8.0 Marco Pampaloni Julien Marcel Mac builds Italian page alt downloads UCI C++ source; mp(8 threads max); Linux, Mac, Win 2018/03/30 Teki 2.0 Manik Charan – UCI C++ source; FRC; mp; supports Syzygy EGTBs; Linux, Win; designed for weak play vs humans 2018/03/22 Abbess 2018.02.07 Robert Pope – XB C++ source; Win 2018/03/22 Amoeba 2.8 Richard Delorme – UCI D source; multiPV, Linux, Mac, Win 2018/03/22 Devel 2.0000 Per Skjerpe – UCI multiPV; Win 2018/03/22 Shikamaru 0 Sarv Shakti Singh – UCI Java source; mp; FRC; cross-platform jar file 2018/03/17 Feeks 2018.01.31 LM Folkert van Heusden 2018.01.31 LM UCI Python source; yet another engine from this author 2018/03/17 PyTuroChamp 2017.12.26 LM Martin C Doege 2017.12.26 LM XB, UCI Python3 source; cross-platform and Win; buggy; not a serious engine 2018/03/01 Demolito 2018.03.01 Lucas Braesch 2018.03.01 rev252 UCI C++ source; mp(64 threads max); Win 2018/03/01 Dumb 1.1 Richard Delorme – UCI D source; Linux, Win 2018/03/01 Skiull 0.4* Tony Soares – UCI Linux, Win; *version 0.4 has a serious bug and latest version is reverted back to 0.3 2018/03/01 Trappist rev36 Antar Azri rev36 UCI C source; Linux, Win 2018/02/22 Cheese 1.9.2 Patrice Duhamel JA Linux builds XB, UCI multiPV; limit strength; FRC; Linux, Mac, Android, Win 2018/02/15 Supra 26.0 Pedro Mouro Correia – UCI C++ source; Win 2018/02/10 Delocto 0.6.rev 7 Moritz Terink 0.6.rev 7 SDChess UCI C++ source; Linux, Win 2018/02/10 RapChess 18-02-01 Thibor Raven – UCI Javascript source 2018/02/01 Butter 1.0 Akhil Velagapudi – UCI C++ source; Win 2018/02/01 Karballo 1.8.rev45 Alberto Alonso Ruibal 1.8.rev45 Carballo SJCE* SourceForge Kirill Kryukov JA builds UCI Kotlin source; cross-platform; own GUI; supports Polyglot books; successor to Carballo engine; there is also a JavaScript version available; SJCE* indicates engine is one of many contained in the package 2018/02/01 SmarThink 1.98 Sergei Markoff SDChess blog (Russian) XB, UCI multiPV; supports Syzygy egtbs; Linux, Win; formerly commercial 2018/02/01 Stockfish 9 Tord Romstad, Marco Costalba, Joona Kiiski, et al Roman Korba builds latest Mac builds by Michael Byrne latest source official source Kirill Kryukov old JA builds old JA Linux builds Julien Marcel old Mac builds SDChess UCI C++ source; mp(512 threads max); multiPV; FRC; Linux, Mac, Win; supports Syzygy egtbs; successor to the Glaurung engine 2018/01/26 Atlas 3.91 Andrs Manzanares Campillo – UCI multiPV; Linux, Win 2018/01/26 ChessV 2.1 Gregory Strong old site Norbert Raimund Leisner XB* C# source; own GUI; multiPV; variant play; Linux, Mac, Win; requires .NET or Mono framework; *requires own GUI to play against other XB engines 2018/01/26 Clever Girl rev 160 Seth Kasmann rev 160 UCI Win 2018/01/26 Shield 2.1 Luigi Ripamonti G-Sei UCI Win64 2018/01/17 Hactar 0.9.0 Jost Triller – UCI Rust source; Linux, Win 2018/01/17 Shallow Blue 1.1.0 Rhys Rustad-Elliott – UCI C++ source; Win 2018/01/17 Snowy 0.2 Jason Creighton – UCI C++ source 2018/01/17 Soberango 0.12.0 Luis Babboni – XB Win 2018/01/17 Waxman 2017 Ivan Bacigal – XB Win

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Free Chess Engines

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Free Chess Engines

Top Chess Engine Championship – Wikipedia

Top Chess Engine Championship, formerly known as Thoresen Chess Engines Competition (TCEC or nTCEC), is a computer chess tournament that has been run since 2010. It was organized, directed, and hosted by Martin Thoresen until the end of Season 6; from Season 7 onward it has been organized by Chessdom. It is often regarded as the Unofficial World Computer Chess Championship because of its strong participant line-up and long time control matches on high-end hardware, giving rise to very high-class chess.[1][2]

After a short break in 2012,[3] TCEC was restarted in early 2013 (as nTCEC)[4] and is currently active (renamed as TCEC in early 2014) with 24/7 live broadcasts of chess matches on its website. Supported by original engine authors and based on volunteer work and donations, it caused a surprise in February 2011, when the free version of Houdini defeated the then reigning computer chess champion Rybka in a 40-game match.[5][6]

Since season 5, TCEC has been sponsored by Chessdom Arena.[7][8] The current TCEC champion is Stockfish 180614, which defeated Komodo 12.1.1 in the TCEC Season 12 Superfinal 100-game match held in JuneJuly 2018.

The TCEC competition is divided into seasons, where each season happens over a course of a few months, with matches played round-the-clock and broadcast live over the internet. Each season is divided into several qualifying stages and one “superfinal”, where the top two chess engines play 100 games to win the title of “TCEC Grand Champion”. In the superfinal, each engine plays 50 openings, once as each side. Beginning in Season 11 in 2018, a division system was introduced; the top 2 engines in each division are promoted, and the bottom 2 are relegated. Currently there are 5 divisions (a Premier division, and divisions 1-4); newcomers generally start in division 4.

Pondering is set to off. All engines run on mostly the same hardware[9] and use the same opening book, which is set by the organizers and changed in every stage. Large pages are disabled but access to various endgame tablebases is permitted. Engines are allowed updates between stages; if there is a critical play-limiting bug, they are also allowed to be updated once during the stage. If an engine crashes 3 times in one event, it is disqualified to avoid distorting the results for the other engines. TCEC generates its own elo rating list from the matches played during the tournament. An initial rating is given to any new participant based on its rating in other chess engine rating lists.

There is no definite criterion for entering into the competition, other than inviting the top participants from various rating lists. Initially, the list of participants was personally chosen by Thoresen before the start of a season. His stated goal was to include “every major engine that is not a direct clone”.[10] However, Shredder’s developers have declined to enter it in the competition. Usually chess engines that support multiprocessor mode are preferred (8-cores or higher). Both Winboard and UCI engines are supported.

Shredder vs Gull, TCEC S4

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Top Chess Engine Championship – Wikipedia

computer_chess:wiki:lists:chess_engine_list – Computer …

Latest Date Engine Site Latest Version Author Alternate Download Protocol Comment 2018/10/11 Pirarucu 2.6.0 Raoni Campos – UCI Kotlin source; mp; cross-platform jar file 2018/10/11 Scorpio 2.8.9 MCTS Daniel Shawul source + downloads SDChess Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac builds XB C++ source; mp(32 threads max); Linux, Mac, Win; own endgame bitbases 2018/10/11 Tom Thumb 0.1 Tom Kalmijn – UCI Scala source; cross-platform jar file 2018/10/04 Apollo 1.2.1 Stuart Nevans Locke – UCI C++ source; Win 2018/10/04 Arasan 21.1 Jon Dart source code old JA builds old JA Linux builds very old JM Mac builds XB, UCI C++ source; own GUI, mp(64 threads max); multiPV; limit strength; uses Syzyzgy egtbs; Linux, Mac, Win 2018/10/04 Ares GB Charles Roberson – XB, UCI Win; XB support is minimal 2018/10/04 CT800 1.32 Rasmus Althoff – UCI C source; Linux, Win; NG-Play derivative 2018/10/04 Invictus r228 Edsel Apostol – UCI C++ source; mp; Win; other engines: Twisted Logic, Hannibal 2018/10/04 LCZero 0.18.1 Gary Linscott et al – UCI C++ source; mp(64 cores max); multiPV; supports Syzygy egtbs; Stockfish derivative; requires expensive GPU for best performance 2018/10/04 Monik 2.2.6 Sylvain Lacombe 2.2.6(Win) TM old JA builds old JA Linux builds 2.11 Julien Marcel Mac builds XB C++ source (French comments); Linux, Mac, Win 2018/10/04 ProDeo 2.9 Ed Schrder Ed Schrder XB, UCI mp (2 threads max); Win 2018/10/04 RubiChess 1.1 Andreas Matthies 1.1(Mac) by Dariusz UCI C++ source; supports Syzygy tablebases; Mac, Win 2018/10/04 Squared Chess 1.2.1 Jost Triller – UCI C++ source; Linux, Mac, Win 2018/09/27 Ceibo 0.4.1 Federico Rojo – UCI Win 2018/09/27 ChessbrainVB 3.70 TCEC Roger Zuehlsdorf – XB mp(64 threads max); supports Sygygy ebtbs; Win; LarsenVB derivative 2018/09/27 Gdel 4.4.5 Juan Manuel Vzquez JA Linux builds XB, UCI Linux, Win 2018/09/27 PyChess 0.99.3 Thomas Dybdahl Ahle, Bajusz Tams & Justin Blanchard downloads source XB Python source; variant play; Linux, Mac, Win; requires Python interpreter with ‘-u’ option invoked (to disable i/o buffering) 2018/09/27 Wowl Chess 1.3.8 Eric Yip – UCI C++ source; Linux, Win 2018/09/27 Xiphos 0.4 Milos Tatarevic unofficial build SDChess UCI C source; mp(64 cores max); Linux, Mac, Win 2018/09/20 Sting SF 10.1 Marek Kwiatkowski 10.1 old Kirill Kryukov JA builds old JA Linux builds Julien Marcel old Mac builds UCI C++ source; mp(512 threads max); Linux, Mac(JM), Win; requires extra dlls (not included); Stockfish 2.1.1 derivative 2018/09/14 Chenglite 1.1* Maksim Korzh 1.1TM (Win) SDChess UCI C source; Linux, Mac, Win; *official version has been reverted back to 1.0 2018/09/14 Ethereal 11.00 Andrew Grant SDChess UCI C source; mp; uses Syzygy egtbs; Linux, Mac, Win; successor to Chengine, which name was already taken 2018/09/14 Prophet 3 2018.08.11 James Swafford source Kirill Kryukov JA builds XB C++ source; Linux{JA only}, Win; successor to Galahad 2018/09/14 Vajolet2 2.6.1 Marco Belli SDChess old downloads blog old homepage old source UCI C++ source; mp(128 threads max); multiPV; supports Syzygy egtbs; Linux, Mac, Win 2018/09/06 Chess22k 1.11 Sander Maassen vd Brink SJCE UCI Java source; cross-platform jar file 2018/09/06 Embla 2.0.0 Folkert van Heusden source XB, UCI mp (INT_MAX threads); supports Polyglot opening books & Syzygy ebtbs; Linux, Mac, Win 2018/09/06 EnkoChess 29.08.18 Evgeniy Silchenko SDChess UCI own GUI; Win 2018/09/06 Safrad 2.2.40.360 David Safranek – UCI Win 2018/09/06 Zevra 1.8.6.r672 Oleg Smirnov SDChess Norbert Raimund Leisner UCI C++ source; Linux, Mac, Win 2018/08/30 Asymptote 0.2.0 Maximilian Lupke – UCI Rust source; Linux, Mac, Win 2018/08/30 Rodent III 0.273 Pablo Vazquez + Pawel Koziol downloads Rodent III source + download Rodent II source + download SDChess(Linux) Kirill Kryukov JA builds JA Linux builds Denis Mendoza old Sourceforge code dev code Julien Marcel Mac old build UCI C source; mp(48 threads max); MuliPV; supports Polyglot opening book; limit strength; Linux, Mac, Win; originally based on Sungorus code; supports personalities 2018/08/30 Rofchade 1.0 Ronald Friederich – UCI C++ source; mp; Mac, Win 2018/08/30 Schooner 1.8.3 Dennis Sceviour code XB Win; own book & supports Polyglot books 2018/08/03 SugaR XPro 1.9 Tord Romstad, Marco Costalba, Joona Kiiski, many others, & Marco Zerbinati Source + download alt site UCI C++ source; mp (128 threads max); multiPV; FRC; Win; supports Syzygy egtbs; Stockfish derivative 2018/08/23 Dorky 4.8 Matt McKnight 4.8 XB Win; mp(8+ threads max); supports Nalimov egtbs 2018/08/23 Galjoen 0.39.2 Werner Taelemans SDChess *XB, UCI C++ source; FRC; MultiPV; own GUI; limit strength; uses Polyglot books; *XB – older version only Linux, Win 2018/08/23 GreKo 2018.08 Vladimir Medvedev older GreKo files Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac builds(old) SDChess Norbert Raimund Leisner XB, UCI C++ source; multiPV: limit strength; Linux, Mac, Win; Igel is a close derivative of GreKo 2018/08/16 Weini 0.0.23 Vivien Clauzon – XB*, UCI* C++ source; mp{20 threads max}; * – XB, UCI protocols are partially implemented; Linux, Win 2018/08/10 Belofte 0.9.3 Yves De Billoz Tony Mokonen Norbert Raimund Leisner Julien Marcel Mac builds XB, UCI C source; Linux, Mac, Win 2018/08/10 Counter 2.9 Vadim Chizhov SDChess UCI Go source; mp(8+ threads max); Linux, Win 2018/08/10 Tucano 7.05 TCEC Alcides Schulz JA Linux builds Julien Marcel Mac very old build XB C source; mp(8+ threads max); Linux, Mac, Win; successor to Sedicla engine; also Enxadrista 1.0*,*an educational engine written in C# w/ Portuguese comments 2018/08/10 Uralochka 1.1d Ivan Maklyakov 1.1d SDChess Norbert Raimund Leisner UCI Win 2018/08/10 Winter 0.2 Jonathan Rosenthal – UCI C++ source; Linux, Mac, Win 2018/08/03 The Baron 3.43 Richard Pijl alternate homepage Ed Schrder Wayback Machine XB, UCI mp(12 threads max); multiPV; supports Syzygy egtbs; learning; FRC; Linux, Win 2018/08/03 Chess4J 3.4.1 James Swafford old Kirill Kryukov JA builds XB Java and Groovy source; cross-platform jvm jar file 2018/08/03 K2 0.91 Sergey Meus SDChess Julien Marcel Mac builds XB, UCI C++ source; Linux, Mac, Win 2018/08/03 Nemorino 5.00 Christian Gnther – XB, UCI mp(128 threads max); multiPV; supports FRC; supports Syzygy egtbs; Win64 2018/08/03 Pedone 1.8 Fabio Gobbato 1.8 G-Sei UCI mp(128 threads max); multiPV; limit strength; FRC; Linux, Win; supports Syzygy egtbs & Polyglot opening books; also a didactic engine named PedoneBase 2018/07/19 Chenard 2018.03.05 Don Cross Kirill Kryukov JA builds Julien Marcel Mac very old build XB C++ source is public domain; uses custom egtbs; Linux, Mac, Win; own GUI 2018/07/19 Coiled 0.6 Oscar Gavira 0.6 UCI Linux, Win 2018/07/19 Hedgehog 1.9 Eugene Kotlov 1.9 SDChess UCI Win 2018/07/19 Laser 1.6 Jeffrey An & Michael An SDChess UCI C++ source; mp(128 threads max); supports Syzygy ebtbs; Linux, Mac, Win 2018/07/19 LittleWing 0.5.0 Vincent Ollivier downloads Tony Mokonen XB Rust source; mp; Win 2018/07/19 Sabrina 3.1.27 Stefano Gemma G-Sei XB tournament mode; Linux, Mac, Win; formerly named Satana 2018/07/19 Topple 0.2.1 Vincent Tang – UCI C++ source; Linux, Win 2018/07/12 Andscacs 0.94 Daniel Jos Queralt – UCI mp (128 threads max); multi-PV; Syzygy ebtb support; Win 2018/07/12 Booot 6.3.1 Alex Morozov 6.3.1 SDChess Norbert Raimund Leisner UCI Pascal source (Russian language comments); mp(64 threads max); Win 2018/07/12 tomitank Chess 2.0 Tams Kuzmics – UCI JavaScript source 2018/07/12 Xadreco 5.85.180710.005728 Ruben Carlo Benante Hermann Krause older versions Norbert Raimund Leisner Julien Marcel Mac builds JA Linux builds XB C source (Portugese language comments) mp; Linux, Mac; old version supports UCI 2018/07/06 Marvin 3.1.0 Martin Danielsson 1.30 XB, UCI C source; mp(64 threads max); supports Polyglot opening books & Syzygy egtbs; Linux, Mac, Win 2018/07/06 Nemeton 1.7 Stan Arts 1.7 Guenther Simon RWBC 1.41, 1.4 XB Pascal source; mp (4 threads max) Win 2018/06/28 Orion 0.5 David Carteau – UCI Win64 2018/06/21 Betsab II 1.84 fixed Juan Benitez, Dieter Steinwender, & Chrilly Donninger 1.84 fixed Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac builds XB, UCI C source w/ Spanish comments & var names; Linux, Mac, Win; this is a MiniMAX derivative 2018/06/14 Drosophila 1.5.1 Gustaf Ullberg – XB Linux, Win; successor to Pawned engine 2018/06/14 Dimitri 4.00 Luigino Viscione 1.36, 1.0, 0.73 Norbert Raimund Leisner XB Win; requires VB6 runtime 2018/06/14 Swordfight 2018.02.28 ukasz Kouchowski – XB Clojure source; cross-platform jar file 2018/06/07 HoiChess 0.22.0 Holger Ruckdeschel latest downloads SDChess Jim Ablett JA Linux builds XB C++ source; mp(8+ threads max); Linux, Win; variant play 2018/06/07 Komodo 12.1.1 Don Dailey, Larry Kaufman & Mark Lefler Kirill Kryukov JA builds JA Linux builds BeeKay(Win64) UCI commercial, older versions are free; mp (64 threads); FRC; multiPV; Linux, Mac, Win; own GUI (Tarrasch Chess GUI); supports Polyglot opening books; supports Syzygy egtbs 2018/06/07 Robocide 0.4 Daniel White Tony Mokonen UCI C source; FRC; Win 2018/05/31 Deuterium 2018.1.35.514 Ferdinand Mosca 2018.1.35.514 2018.1.35.514 UCI old versions were XB-only; Win; MultiPV; supports Polyglot books 2018/05/31 Fire 7.1 Norman Schmidt Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac very old build UCI mp(64 threads max); multiPV; Linux, Mac, Win; Syzygy egtbs; original engine name was Firebird, renamed to Fire due to a trademark naming conflict 2018/05/31 Jumbo 0.6.35 Sven Schle – XB mp(no max core limit); supports Polyglot opening books & Gaviota egtbs; Win; requires external dlls (not included with package); successor to Surprise, KnockOut & Femto and Femto 0.9 2018/05/24 Sayuri 2018.05.23 Ishibashi Hironori SDChess old MB build (Mac) UCI C++ source (Japanese comments); mp (up to 64 threads); Linux, Mac, Win 2018/05/24 Wchess 1.06 David Kittinger 1.06 Norbert Raimund Leisner UCI Win 2018/05/18 DanaSah 7.30 Pedro Castro 7.30 Kirill Kryukov JA builds JA Linux builds Julien Marcel Mac builds GitHub DanasahZ 0.4 XB, UCI C source (Spanish language comments); Limit strength; Linux, Mac, Win; FRC; supports Gaviota egtbs + Scorpio bitbases and ProDeo opening book 2018/05/18 Ronja 0.7.0 Johan Dykstrm Norbert Raimund Leisner XB Java source; cross-platform 2018/05/18 Wasp 3.00 John Stanback Frank’s Chess Page UCI mp(64 threads max); Win; successor to Zarkov 2018/05/04 Jonesy 1.0 Miguel Izquierdo – XB Win 2018/05/04 Popochin 4.1 Miguel Izquierdo 3.2 XB Win 2018/05/04 RuyDos 1.1.6 lvaro Begu & Jos Manuel Morn SDChess alt site UCI C++ source; support for Syzygy egtbs; Linux, Win 2018/04/19 Lozza 1.18 Colin Jenkins 1.18 source UCI JavaScript source; Win, requires Node.js to run stand-alone (not dependent on a browser) 2018/04/05 Detroid 0.9.0 Victor Csomor – UCI Java source; mp(8+ threads max); supports Polyglot opening books & Gaviota egtbs; cross-platform jar file; own GUI; built-in static evaluation parameter tuning optimization 2018/04/05 Dorpsgek Eve’s Temptation Matthew Brades SDChess Tony Mokonen XB C source; Linux, Win 2018/04/05 Isa 2.0.64 Daniel Anulliero 2.0.64 XB Linux, Win 2018/03/30 Napoleon 1.8.0 Marco Pampaloni Julien Marcel Mac builds Italian page alt downloads UCI C++ source; mp(8 threads max); Linux, Mac, Win 2018/03/30 Teki 2.0 Manik Charan – UCI C++ source; FRC; mp; supports Syzygy EGTBs; Linux, Win; designed for weak play vs humans 2018/03/22 Abbess 2018.02.07 Robert Pope – XB C++ source; Win 2018/03/22 Amoeba 2.8 Richard Delorme – UCI D source; multiPV, Linux, Mac, Win 2018/03/22 Devel 2.0000 Per Skjerpe – UCI multiPV; Win 2018/03/22 Monolith 0.4 Jonas Mayr – UCI C++ source; MultiPV; FRC; supports PolyGlot opening books; Linux, Windows 2018/03/22 Shikamaru 0 Sarv Shakti Singh – UCI Java source; mp; FRC; cross-platform jar file 2018/03/17 Feeks 2018.01.31 LM Folkert van Heusden 2018.01.31 LM UCI Python source; yet another engine from this author 2018/03/17 PyTuroChamp 2017.12.26 LM Martin C Doege 2017.12.26 LM XB, UCI Python3 source; cross-platform and Win; buggy; not a serious engine 2018/03/01 Demolito 2018.03.01 Lucas Braesch 2018.03.01 rev252 UCI C++ source; mp(64 threads max); Win 2018/03/01 Dumb 1.1 Richard Delorme – UCI D source; Linux, Win 2018/03/01 Skiull 0.4* Tony Soares – UCI Linux, Win; *version 0.4 has a serious bug and latest version is reverted back to 0.3 2018/03/01 Trappist rev36 Antar Azri rev36 UCI C source; Linux, Win 2018/02/22 Cheese 1.9.2 Patrice Duhamel JA Linux builds XB, UCI multiPV; limit strength; FRC; Linux, Mac, Android, Win 2018/02/15 Supra 26.0 Pedro Mouro Correia – UCI C++ source; Win 2018/02/10 Delocto 0.6.rev 7 Moritz Terink 0.6.rev 7 SDChess UCI C++ source; Linux, Win 2018/02/10 RapChess 18-02-01 Thibor Raven – UCI Javascript source 2018/02/01 Butter 1.0 Akhil Velagapudi – UCI C++ source; Win 2018/02/01 Karballo 1.8.rev45 Alberto Alonso Ruibal 1.8.rev45 Carballo SJCE* SourceForge Kirill Kryukov JA builds UCI Kotlin source; cross-platform; own GUI; supports Polyglot books; successor to Carballo engine; there is also a JavaScript version available; SJCE* indicates engine is one of many contained in the package 2018/02/01 SmarThink 1.98 Sergei Markoff SDChess blog (Russian) XB, UCI multiPV; supports Syzygy egtbs; Linux, Win; formerly commercial 2018/02/01 Stockfish 9 Tord Romstad, Marco Costalba, Joona Kiiski, et al Roman Korba builds latest Mac builds by Michael Byrne latest source official source Kirill Kryukov old JA builds old JA Linux builds Julien Marcel old Mac builds SDChess UCI C++ source; mp(512 threads max); multiPV; FRC; Linux, Mac, Win; supports Syzygy egtbs; successor to the Glaurung engine 2018/01/26 Atlas 3.91 Andrs Manzanares Campillo – UCI multiPV; Linux, Win 2018/01/26 ChessV 2.1 Gregory Strong old site Norbert Raimund Leisner XB* C# source; own GUI; multiPV; variant play; Linux, Mac, Win; requires .NET or Mono framework; *requires own GUI to play against other XB engines 2018/01/26 Clever Girl rev 160 Seth Kasmann rev 160 UCI Win 2018/01/26 Shield 2.1 Luigi Ripamonti G-Sei UCI Win64 2018/01/17 Hactar 0.9.0 Jost Triller – UCI Rust source; Linux, Win 2018/01/17 Shallow Blue 1.1.0 Rhys Rustad-Elliott – UCI C++ source; Win 2018/01/17 Snowy 0.2 Jason Creighton – UCI C++ source 2018/01/17 Soberango 0.12.0 Luis Babboni – XB Win 2018/01/17 Waxman 2017 Ivan Bacigal – XB Win

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Top Chess Engine Championship – Wikipedia

Top Chess Engine Championship, formerly known as Thoresen Chess Engines Competition (TCEC or nTCEC), is a computer chess tournament that has been run since 2010. It was organized, directed, and hosted by Martin Thoresen until the end of Season 6; from Season 7 onward it has been organized by Chessdom. It is often regarded as the Unofficial World Computer Chess Championship because of its strong participant line-up and long time control matches on high-end hardware, giving rise to very high-class chess.[1][2]

After a short break in 2012,[3] TCEC was restarted in early 2013 (as nTCEC)[4] and is currently active (renamed as TCEC in early 2014) with 24/7 live broadcasts of chess matches on its website. Supported by original engine authors and based on volunteer work and donations, it caused a surprise in February 2011, when the free version of Houdini defeated the then reigning computer chess champion Rybka in a 40-game match.[5][6]

Since season 5, TCEC has been sponsored by Chessdom Arena.[7][8] The current TCEC champion is Stockfish 180614, which defeated Komodo 12.1.1 in the TCEC Season 12 Superfinal 100-game match held in JuneJuly 2018.

The TCEC competition is divided into seasons, where each season happens over a course of a few months, with matches played round-the-clock and broadcast live over the internet. Each season is divided into several qualifying stages and one “superfinal”, where the top two chess engines play 100 games to win the title of “TCEC Grand Champion”. In the superfinal, each engine plays 50 openings, once as each side. Beginning in Season 11 in 2018, a division system was introduced; the top 2 engines in each division are promoted, and the bottom 2 are relegated. Currently there are 5 divisions (a Premier division, and divisions 1-4); newcomers generally start in division 4.

Pondering is set to off. All engines run on mostly the same hardware[9] and use the same opening book, which is set by the organizers and changed in every stage. Large pages are disabled but access to various endgame tablebases is permitted. Engines are allowed updates between stages; if there is a critical play-limiting bug, they are also allowed to be updated once during the stage. If an engine crashes 3 times in one event, it is disqualified to avoid distorting the results for the other engines. TCEC generates its own elo rating list from the matches played during the tournament. An initial rating is given to any new participant based on its rating in other chess engine rating lists.

There is no definite criterion for entering into the competition, other than inviting the top participants from various rating lists. Initially, the list of participants was personally chosen by Thoresen before the start of a season. His stated goal was to include “every major engine that is not a direct clone”.[10] However, Shredder’s developers have declined to enter it in the competition. Usually chess engines that support multiprocessor mode are preferred (8-cores or higher). Both Winboard and UCI engines are supported.

Shredder vs Gull, TCEC S4

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Top Chess Engine Championship – Wikipedia

Chess Engines Diary

Lichessis an Internet chess server. Anyone can play anonymously, although players may register an account on the site to play rated games.Lichess – homepageAccording to the Alexa rank, Lichess is ranked second only to Chess.com as one of the most popular online chess servers in the world.Lichess runs live tournaments both in standard chess and in variant chess, and at different time controls, with the slowest time control being 10 minutes per game.

A Lichess mobile app is available for iOS and Android.Lichess blog

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Free Chess Engines

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Free Chess Engines

Top Chess Engine Championship – Wikipedia

Top Chess Engine Championship, formerly known as Thoresen Chess Engines Competition (TCEC or nTCEC), is a computer chess tournament that has been run since 2010. It was organized, directed, and hosted by Martin Thoresen until the end of Season 6; from Season 7 onward it has been organized by Chessdom. It is often regarded as the Unofficial World Computer Chess Championship because of its strong participant line-up and long time control matches on high-end hardware, giving rise to very high-class chess.[1][2]

After a short break in 2012,[3] TCEC was restarted in early 2013 (as nTCEC)[4] and is currently active (renamed as TCEC in early 2014) with 24/7 live broadcasts of chess matches on its website. Supported by original engine authors and based on volunteer work and donations, it caused a surprise in February 2011, when the free version of Houdini defeated the then reigning computer chess champion Rybka in a 40-game match.[5][6]

Since season 5, TCEC has been sponsored by Chessdom Arena.[7][8] The current TCEC champion is Stockfish 180614, which defeated Komodo 12.1.1 in the TCEC Season 12 Superfinal 100-game match held in JuneJuly 2018.

The TCEC competition is divided into seasons, where each season happens over a course of a few months, with matches played round-the-clock and broadcast live over the internet. Each season is divided into several qualifying stages and one “superfinal”, where the top two chess engines play 100 games to win the title of “TCEC Grand Champion”. In the superfinal, each engine plays 50 openings, once as each side. Beginning in Season 11 in 2018, a division system was introduced; the top 2 engines in each division are promoted, and the bottom 2 are relegated. Currently there are 5 divisions (a Premier division, and divisions 1-4); newcomers generally start in division 4.

Pondering is set to off. All engines run on mostly the same hardware[9] and use the same opening book, which is set by the organizers and changed in every stage. Large pages are disabled but access to various endgame tablebases is permitted. Engines are allowed updates between stages; if there is a critical play-limiting bug, they are also allowed to be updated once during the stage. If an engine crashes 3 times in one event, it is disqualified to avoid distorting the results for the other engines. TCEC generates its own elo rating list from the matches played during the tournament. An initial rating is given to any new participant based on its rating in other chess engine rating lists.

There is no definite criterion for entering into the competition, other than inviting the top participants from various rating lists. Initially, the list of participants was personally chosen by Thoresen before the start of a season. His stated goal was to include “every major engine that is not a direct clone”.[10] However, Shredder’s developers have declined to enter it in the competition. Usually chess engines that support multiprocessor mode are preferred (8-cores or higher). Both Winboard and UCI engines are supported.

Shredder vs Gull, TCEC S4

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Top Chess Engine Championship – Wikipedia

Chess Engines Diary

Full acces to the folder: CHESS ENGINES – about 3000 files!If you do not want to wait a long time for download – donate a minimum of 10$, enter your email – you will gain full access to the folder with chess engines. Bonus on donate of 15$ – acces to the folder with games, tables, engines pack. My email: jotes@go2.pl

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Chess Engines Diary

Top 10 strongest chess engines – Chesstutor | Learn how to …

10.Deep Blue (rating: unknown)

Deep Blue, computer chess-playing system designed by IBM in the early 1990s. As the successor to Chiptest and Deep Thought, earlier purpose-built chess computers, Deep Blue was designed to succeed where all others had failed. In 1996 it made history by defeating Russian Grandmaster Garry Kasparov in one of their six gamesthe first time a computer had won a game against a world champion under tournament conditions. In the 1997 rematch, it won the deciding sixth game in only 19 moves; its 3.52.5 victory (it won two games and had three draws) marked the first time a current world champion had lost a match to a computer under tournament conditions. In its final configuration, the IBM RS6000/SP computer used 256 processors working in tandem, with an ability to evaluate 200 million chess positions per second.

9.Chessmaster (rating:~2700)

Chessmaster, popular series of electronic games for playing chess against a computer; it was originally released in 1986 by the Software Toolworks, which was acquired by the Learning Company. Chessmaster featured extremely competitive artificial intelligence engineswith later versions named the Kingthat challenged all but the most skilled of players and helped bring the game to virtually every make of computer and gaming system over the years. Featuring 2-D and 3-D game play, later versions applied technology from other popular chess games to make Chessmaster a universal favourite. Early versions of Chessmaster were released for nearly every type of personal computer, including Amiga, Apple II, Atari 8-bit, Atari ST, ZX Spectrum, Commodore 64, Macintosh, and DOS-based machines. Chessmaster 4000 saw the first incarnation of the King, which allowed players to create chess personalities. These personalities, which a player would assign to his opponent, could be adjusted down to the smallest detail. By placing certain emphasis on a particular aspect of the game, such as king protection or aggressiveness, players were able to compete in a variety of game types and improve their own personal chess abilities. Personalities could be adjusted to mirror actual players, such as the former world chess champions Bobby Fischer or Mikhail Botvinnik.

8.Junior (rating:~3000)

Junior is a computer chess program written by the Israeli programmers Amir Ban and Shay Bushinsky. Grandmaster Boris Alterman assisted, in particular with the opening book. Junior can take advantage of multiple processors, taking the name Deep Junior when competing this way in tournaments.In 2003 Deep Junior played a six-game match against Garry Kasparov, which resulted in a 33 tie. It won a 2006 rapid game against Teimour Radjabov. In June 2007, Deep Junior won the ultimate computer chess challenge organized by FIDE, defeating Deep Fritz 42. These programs opted out of the World Computer Chess Championship, which was held at the same time and won by Rybka with a score of 10/11. Junior won the World Microcomputer Chess Championship in 1997 and 2001 and the World Computer Chess Championship in 2002, 2004, 2006, 2009, 2011 and 2013; both organized by the International Computer Games Association. The name Junior is perhaps deceptive. Playing against Junior is not necessarily something for children, as Garry Kasparov discovered in a match in New York. He was held to a 3-3 draw by the Israeli program. Junior played in its typically dynamic style, greatly surprising the former World Champion with now-famous bishop sacrifice on h2 that forced him to concede a draw. You can look forward to a world class grandmaster when you install the new program on your computer.

7.Hiarcs (rating:~3060)

Multiple World Championship winning computer chess engine, a 3 time World Chess Software Champion and the chess program generally used by former World Chess Champion Vishy Anand. HIARCS is renowned for its high quality, human like chess play, realistic weaker levels and unprecedented chess performances from handheld devices to multi-core desktop computers.

6.Rybka ( rating: ~3150)

Rybka is a computer chess engine designed by International Master Vasik Rajlich. Around 2011 Rybka was one of the top-rated engines on chess engine rating lists and has won many computer chess tournaments. After Rybka won four consecutive World Computer Chess Championships from 2007 to 2010, it was stripped of these titles after the International Computer Games Association concluded in June 2011 that Rybka was plagiarized from both the Crafty and the Fruit chess engines and so failed to meet their originality requirements. The ICGA proceedings against Rybka were subsequently upheld by the FIDE Ethics Commission, saying the ICGA has not violated the FIDE Code of Ethics, nor any other FIDE rule or general principle of law. However, the same FIDE Ethics Commission ruled that banning Rajlich for life failed to have a clear statutory basis and sufficient procedural guarantees, and so they sanctioned ICGA with a warning. Rajlich has now agreed to underpin the Fritz brand of ChessBase, merging Rybka to produce Fritz 15 released in late 2015.

5.Fritz (rating: ~3180)

Fritz is a German chess program developed by Vasik Rajlich and published by ChessBase. The latest version of the consumer product is Fritz 15, now based on Rybka. This version now supports 64-bit hardware and multiprocessing by default.

4.Shredder (rating:~3290)

Shredder is a commercial chess program and chess engine developed in Germany by Stefan Meyer-Kahlen in 1993. Shredder won the World Microcomputer Chess Championship in 1996 and 2000, the World Computer Chess Championship in 1999 and 2003, the World Computer Speed Chess Championship in 2002, 2003, 2004, 2005, and 2007, and the World Chess Software Championship in 2010.

3.Komodo (rating:~ 3380)

Komodo is a UCI chess engine developed by Don Dailey, Mark Lefler, and supported by chess author and evaluation expert, GM Larry Kaufman. Komodo is a commercial chess engine but older versions (8 and older) are free for non-commercial use. It is consistently ranked near the top of most major chess engine rating lists, along with Stockfish and Houdini.Komodo heavily relies on evaluation rather than depth, and thus has a distinctive positional style. Its forte is to play when there is nothing to play. Komodo author Don Dailey described it as such: In positions that most engines would likely struggle or find it impossible to make progress, Komodo quietly prepares a break and ends up with the victory.

2.Houdini (rating~3385)

Houdini is a UCI chess engine developed by Belgian programmer Robert Houdart. It is influenced by open source engines IPPOLIT/RobboLito, Stockfish, and Crafty. Earlier versions are free for non-commercial use (up to version 1.5a), but later versions (2.0 and onwards) are commercial. As of January 2017, Houdini 5 is the second top-rated chess engine on major chess engines rating lists between Stockfish and Komodo.Chess commentator and video annotator CM Tryfon Gavriel compared Houdinis playing style to that of the Romantic Era of chess, where an attacking, sacrificial style was predominant.

1.Stockfish (rating:~3390)

Stockfish is a free and open source UCI chess engine, available for various desktop and mobile platforms. It is developed by Marco Costalba, Joona Kiiski, Gary Linscott and Tord Romstad, with many contributions from a community of open source developers.Stockfish is consistently ranked first or near the top of most chess engine rating lists and is the strongest open source chess engine in the world. It won the unofficial world computer chess championships in 2014, season 6, and 2016 season 9. It was a runner-up in 2013 season 5, 2014 season 7, and 2015 season 8. Stockfish is derived from Glaurung, an open source engine by Romstad.Stockfish is much stronger than the best human chess Grandmasters. In comparison, the curent world chess champion Magnus Carlsen has rating 2838.

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Top 10 strongest chess engines – Chesstutor | Learn how to …

Stockfish – Official Site

Powerful

Stockfish is one of the strongest chess engines in the world. It is also much stronger than the best human chess grandmasters.

Unlike most chess engines, Stockfish is open source (GPL license). That means you can read the code, modify it, contribute back, and even use it in your own projects.

You can use Stockfish on your computer running Windows, OS X, or Linux, or on your iOS or Android device. So you can get world-class chess analysis, wherever you are.

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Stockfish – Official Site

Chess Engines Diary

Brainfish – UCI chess engine, JCER Rating=3422

From the author:Brainfish is a standard Stockfish chess engine extended by a general book format that is capable of handling a reduced part of Cerebellum, which is an innovative chess opening and playing book. In Brainfish, the book moves are only used in engine games, not in analysis mode.

All moves in the published book Cerebellum_light.bin generated by Cerebellum were calculated by usingStockfish as analysis engine, without using statistics. Then those moves where recalulated by the Cerebellum Library using a graph algorithm that makes all scores in the library consistant. Consistant scores means for example, in case the starting position has a score of 0.2 and a best move is 1.e4, the position after 1.e4 must have the score -0.2. Additionally, some others properties are found, like the best main line of a position and possible Transitions.

Hence, when Brainfish is playing moves that are in the Cerebellum book, it plays like Stockfish reg

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Chess Engines Diary

Top Chess Engine Championship – Wikipedia

Top Chess Engine Championship, formerly known as Thoresen Chess Engines Competition (TCEC or nTCEC), is a computer chess tournament that was organized, directed, and hosted by Martin Thoresen until the end of Season 6; from Season 7 onward it has been organized by Chessdom. It is often regarded as the Unofficial World Computer Chess Championship because of its strong participant line-up and long time control matches on high-end hardware, giving rise to very high-class chess.[1][2]

The first TCEC season was held in 2010. After a short break in 2012,[3] TCEC was restarted in early 2013 (as nTCEC)[4] and is currently active (renamed as TCEC in early 2014) with all-day live broadcasts of chess matches on its website. Supported by original engine authors and based on voluntarism and donation, it caused a furor in February 2011, when the free version of Houdini defeated reigning computer chess champion Rybka in a 40-game match.[5][6]

Since season 5, TCEC has been sponsored by Chessdom Arena.[7][8] The current TCEC champion is Stockfish 180614, which defeated Komodo 12.1.1 in the TCEC Season 12 Superfinal 100-game match held in JuneJuly 2018.

The TCEC competition is divided into Seasons, where each Season happens over a course of a few months, with matches played round-the-clock and broadcast live over the internet. Each season is divided into five qualifying stages and one Superfinal, where the top two chess engines battle it out over a series of 100 games to win the title of TCEC Grand Champion. Pondering is set to off. All engines run on mostly the same hardware[9] and use the same opening book, which is taken from recent strong human Grandmaster tournaments, truncated to the first 6 or 8 moves, and changed in every stage. Large pages are disabled but access to various endgame tablebases is permitted. Engines are allowed updates between stages; if there is a critical play-limiting bug, they are also allowed to be updated once during the stage. TCEC generates its own elo rating list from the matches played during the tournament. An initial rating is given to any new participant based on its rating in other chess engine rating lists.

There is no definite criterion for entering into the competition, other than inviting the top participants from various rating lists. The list of participants was personally chosen by Thoresen before the start of a season. His stated goal was to include “every major engine that is not a direct clone”.[10] Usually chess engines that support multiprocessor mode are preferred (8-cores or higher). Both Winboard and UCI engines are supported.

Main Seasons

Other TCEC tournaments

Shredder vs Gull, TCEC S4

Pre-TCEC:

Season 1-3:

Season 4:

Season 5:

Season 6:

Season 9:

Excerpt from:

Top Chess Engine Championship – Wikipedia

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Free Chess Engines

Top Chess Engine Championship – Wikipedia

Top Chess Engine Championship, formerly known as Thoresen Chess Engines Competition (TCEC or nTCEC), is a computer chess tournament that was organized, directed, and hosted by Martin Thoresen until the end of Season 6; from Season 7 onward it has been organized by Chessdom. It is often regarded as the Unofficial World Computer Chess Championship because of its strong participant line-up and long time control matches on high-end hardware, giving rise to very high-class chess.[1][2]

The first TCEC season was held in 2010. After a short break in 2012,[3] TCEC was restarted in early 2013 (as nTCEC)[4] and is currently active (renamed as TCEC in early 2014) with all-day live broadcasts of chess matches on its website. Supported by original engine authors and based on voluntarism and donation, it caused a furor in February 2011, when the free version of Houdini defeated reigning computer chess champion Rybka in a 40-game match.[5][6]

Since season 5, TCEC has been sponsored by Chessdom Arena.[7][8] The current TCEC champion is Stockfish 180614, which defeated Komodo 12.1.1 in the TCEC Season 12 Superfinal 100-game match held in JuneJuly 2018.

The TCEC competition is divided into Seasons, where each Season happens over a course of a few months, with matches played round-the-clock and broadcast live over the internet. Each season is divided into five qualifying stages and one Superfinal, where the top two chess engines battle it out over a series of 100 games to win the title of TCEC Grand Champion. Pondering is set to off. All engines run on mostly the same hardware[9] and use the same opening book, which is taken from recent strong human Grandmaster tournaments, truncated to the first 6 or 8 moves, and changed in every stage. Large pages are disabled but access to various endgame tablebases is permitted. Engines are allowed updates between stages; if there is a critical play-limiting bug, they are also allowed to be updated once during the stage. TCEC generates its own elo rating list from the matches played during the tournament. An initial rating is given to any new participant based on its rating in other chess engine rating lists.

There is no definite criterion for entering into the competition, other than inviting the top participants from various rating lists. The list of participants was personally chosen by Thoresen before the start of a season. His stated goal was to include “every major engine that is not a direct clone”.[10] Usually chess engines that support multiprocessor mode are preferred (8-cores or higher). Both Winboard and UCI engines are supported.

Main Seasons

Other TCEC tournaments

Shredder vs Gull, TCEC S4

Pre-TCEC:

Season 1-3:

Season 4:

Season 5:

Season 6:

Season 9:

The rest is here:

Top Chess Engine Championship – Wikipedia

Top Chess Engine Championship – Wikipedia

Top Chess Engine Championship, formerly known as Thoresen Chess Engines Competition (TCEC or nTCEC), is a computer chess tournament that was organized, directed, and hosted by Martin Thoresen until the end of Season 6; from Season 7 onward it has been organized by Chessdom. It is often regarded as the Unofficial World Computer Chess Championship because of its strong participant line-up and long time control matches on high-end hardware, giving rise to very high-class chess.[1][2]

The first TCEC season was held in 2010. After a short break in 2012,[3] TCEC was restarted in early 2013 (as nTCEC)[4] and is currently active (renamed as TCEC in early 2014) with all-day live broadcasts of chess matches on its website. Supported by original engine authors and based on voluntarism and donation, it caused a furor in February 2011, when the free version of Houdini defeated reigning computer chess champion Rybka in a 40-game match.[5][6]

Since season 5, TCEC has been sponsored by Chessdom Arena.[7][8] The current TCEC champion is Stockfish 180614, which defeated Komodo 12.1.1 in the TCEC Season 12 Superfinal 100-game match held in JuneJuly 2018.

The TCEC competition is divided into Seasons, where each Season happens over a course of a few months, with matches played round-the-clock and broadcast live over the internet. Each season is divided into five qualifying stages and one Superfinal, where the top two chess engines battle it out over a series of 100 games to win the title of TCEC Grand Champion. Pondering is set to off. All engines run on mostly the same hardware[9] and use the same opening book, which is taken from recent strong human Grandmaster tournaments, truncated to the first 6 or 8 moves, and changed in every stage. Large pages are disabled but access to various endgame tablebases is permitted. Engines are allowed updates between stages; if there is a critical play-limiting bug, they are also allowed to be updated once during the stage. TCEC generates its own elo rating list from the matches played during the tournament. An initial rating is given to any new participant based on its rating in other chess engine rating lists.

There is no definite criterion for entering into the competition, other than inviting the top participants from various rating lists. The list of participants was personally chosen by Thoresen before the start of a season. His stated goal was to include “every major engine that is not a direct clone”.[10] Usually chess engines that support multiprocessor mode are preferred (8-cores or higher). Both Winboard and UCI engines are supported.

Main Seasons

Other TCEC tournaments

Shredder vs Gull, TCEC S4

Pre-TCEC:

Season 1-3:

Season 4:

Season 5:

Season 6:

Season 9:

Go here to read the rest:

Top Chess Engine Championship – Wikipedia


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