Chess engines

Last changes: August 09th, 2025 (14:22)
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go to end of site (Notes)		 A brilliant day for engine hunting!?


Obligation: Chess programming WIKI, RWBC chronology

Fora: CSS, Hiarcs, Schachcomputer.info, TalkChess - JA
Open-Bench: T1, T2, T3, T4, T5, T6, T7, Tourney: TCEC
 Ratings: IPman, CCRL, CEGT

GUIs: CuteChess v1.4.0, LucasChess v2.20c, BearChess v1.2.1.1,
HIARCS Chess Explorer Pro v1.4, Scid vs. PC v4.26
download = 0,171Mb, this file with 142 Shredder GUI *.eng examples

Endgame: syzygy, Logos: Chess-Cache, must have: CB-Emu		 The Number 1 = Stockfish

103 out of 125 JA = 82,4%
062 out of 125 endgame bases = 49,6%
040 out of 125 dev version = 32,0%
015 out of 125 HCE = 12,0%
004 out of 125 JAVA = 3,2%
005 out of 125 commercial = 4,0%

002 releases in 25/08 (from 125 = 01,6%)
017 releases in 25/07 (from 124 = 13,7%)
048 flags, most engines (24) from usa

 

 

Most of the current TOP-100 available engines inside!
 Last 5 upd.: 1. Pawn 4.0.4 JA dev, 2. Stockfish 250809 dev, 3. PlentyChess 6.0.15 JA Pre, 4. PlentyChess 6.0.15 Pre, 5. DanaSah 9.1 JA

Sorted by release date of programmers!

125 Engines Programmer(s) ... thank you! Date Version(s) 103 Jim Ablett syzygy Status
netherland Lunar Patrick Hilhorst 25/08 0.3.0 / 0.3.0 JA D/L   OSS
granada Oxide M. Ángel De la Vega Rodríguez 25/08 2.0.0 / 2.0.0 JA D/L   OSS
usa Patricia, ² Willow Adam Kulju 25/07 5 / 5 JA D/L yes OSS
australia Halogen, net Kieren Pearson 25/07 14 / 14 JA D/L yes OSS
italy Heimdall, Git Mattia Giambirtone 25/07 1.4.0 REPO *14 OSS
sweden Meltdown Hans Binderup 25/07 1.10 / 1.10 JA D/L yes OSS *2
sweden pawnocchio Jonathan Hallström 25/07 1.8.1 REPO *14 yes OSS
austria Astra Semih Özalp 25/07 6.1.1 / 6.1.1 JA D/L yes OSS
norway Arcanum Lars Murud Aurud 25/07 2.6 REPO *14 yes OSS
romania Clover Luca-Mihnea Metehau 25/07 8.2.5 REPO *14 yes OSS
bulgaria Bagatur Krasimir Topchiyski 25/07 5.3 REPO *14 yes OSS *1
sweden bitbit *15 Isak Ellmer 25/07 1.4 / 1.4 JA D/L OSS
usa Clarity Joseph Pasfield 25/07 8.0.0 / 8.0.0 JA D/L yes OSS
usa Lozza Colin Jenkins 25/07 7 / 250805 JA dev D/L   OSS *1
usa Aku Hoa T. Vu 25/07 2025.7.9 / 2025.7.9 JA D/L yes OSS
usa Arasan, web Jon Dart 25/07 25.2 / 25.2 JA D/L yes OSS
england Iris citrus610, unknown 25/07 2.0 / 2.0 JA D/L OSS
england Sirius mcthouacbb, unknown 25/07 9.0 / 9.0 JA D/L OSS *2
usa Tarnished, net Anik Patel 25/06 Warrior 3.0 / 3.0 JA D/L OSS
spain Lynx Eduardo Caceres 25/06 1.10.0 REPO *14   OSS
south-korea Turbulence4 Jun-Seo Choi 25/06 0.0.8 / 0.0.8 JA D/L OSS
england Stormphrax Conor Anstey 25/06 7.0.0 / 7.0.17 JA dev D/L (250801) yes OSS
france Zangdar Philippe CHEVALIER 25/06 4.04 / 4.04 JA D/L yes OSS
russia RukChess, net Ilya Rukavishnikov 25/06 4.1.0 / 4.1.0 JA D/L OSS
germany PlentyChess Patrick Leonhardt 25/08 6.0.15 Pre / 6.0.15 JA Pre D/L yes OSS
germany PlentyChess " 25/06 6.0.0 / 6.0.0 JA D/L " "
netherland Calvin Dan Kelsey 25/06 6.1.1 / 6.1.1 JA D/L OSS *1
czech Motor Martin Novák 25/06 0.9.0 / 0.9.0 JA D/L OSS
germany Cinder Bruno Dutra 25/05 0.2.0 REPO *14 yes OSS
poland Quanticade Maksim Korzh 25/05 Orion 2.0 / 2.0 JA D/L OSS
italy Obsidian, net, TC-84272 Gabriele Lombardo 25/05 16.00 / 16.14 JA dev D/L (250706) yes OSS
slovenia Lambergar Janez Podobnik 25/05 1.2 / 1.2 JA D/L OSS
germany Ginkgo, CB Frank Schneider 25/05 Fritz 20 (250520) yes *3
france Minic, Minic-Dist, net Vivien CLAUZON 25/05 3.44 S / 3.43 JA D/L yes OSS
brazil Illumina Thomas Mergener 25/05 3.0 / 250525 JA dev D/L OSS
usa Horsie, ² Lizard Liam McGuire 25/05 1.1 / 1.1 JA D/L OSS
hungary Renegade Krisztián Peőcz 25/05 1.2.0 / 1.2.0 JA D/L OSS
portugal Pawn Pedro Rui Coelho 25/05 4.0 / 4.0.4 JA dev D/L (250809) yes OSS
Scorpio Daniel Shawul 25/05 3.0.15.14 *8 / 3.0.15.14 JA D/L *9 OSS
poland Caissa Michal Witanowski 25/04 1.22 / 1.22 JA D/L yes OSS
france Stash, GitLab Morgan HOUPPIN, et al. 25/04 37.0 / 37.10 JA dev D/L (250803) OSS *2
england Sapling Timothy Jones 25/04 1.2.7 REPO *14 OSS
england Chess System Tal, EAS Chris Whittington 25/04 CSTal 2.0 / 2.1 EAS OSS, free
germany Leorik Thomas Jan 25/04 3.1.3 / 3.1.3 JA D/L OSS
italy Perseus G. M. Manduca 25/04 1.1 / 1.1 JA D/L OSS *2
italy Protej Alex Brunetti 25/04 0.6.8 free *2
scotland Viridithas, net Cosmo Bobak 25/04 17.0.0 / 250805 JA dev D/L yes OSS
usa Superultra Alexander Liang 25/04 2.1 / 2.1 JA D/L OSS
portugal Starzix Ricardo Pinto 25/04 6.1 / 6.1 JA D/L OSS
germany Schneckbert Nikolas Windheuser 25/04 3.0 / 3.0 JA D/L OSS
england Yukari Hannah Ravensloft 25/04 2025 4.1 *6 OSS
norway Stockfish, dev-2 T. Romstad, M. Costalba, 25/08 250809-7a07ac0e dev yes OSS
norway Stockfish, dev-1, net J. Kiiski ... Iv, all the authors 25/03 17.1 / 17.1 JA D/L " "
norway SF, ShashChess *7 *15 Andrea Manzo, et al. 25/07 39 / 39 JA D/L " "
norway SF, Crystal *7 Joseph Ellis 25/05 9 REPO *14 " "
usa Expositor, RWBC, 4WR02 Kade Phillips 25/03 4WR02 / 5.0 JA dev D/L (250329) yes OSS
usa Cadie Martin Wyngaarden 25/03 2.1 / 2.1 JA D/L OSS *2
australia Princhess Lana Samson, Jacob Jackson 25/03 0.20.0 / 0.20.0 JA D/L (250803) yes OSS
italy Alexandria, net Guiseppe Pagano 25/03 8.0.0 / 8.0.0 JA D/L OSS
ukraine Booot Alex Morozov 25/02 7.4 OSS
macedonia Integral Aron Petkovski 25/02 7 / 250708 JA dev D/L yes OSS
usa Serendipity Shawn Xu 25/01 1.0 / 1.0 JA D/L OSS *1
sweden Texel, Dropbox Peter Österlund 25/01 1.12 / 1.13a4 JA dev D/L (250713) *10 OSS
italy Revenge, ² Pedone Fabio Gobbato 25/01 4.0 yes free *5
germany Schoenemann Jochen Gehtab 24/12 0.4.0 / 0.4.0 JA D/L OSS
ukraine Igel Volodymyr Shcherbyna 24/12 3.6.0 / 3.6.3 JA dev D/L (250628) yes OSS
england Hiarcs Mark John Uniacke 24/12 15.4 yes *2 *3
brazil Tucano, net Alcides Schulz 24/12 12.00 / 12.17 JA dev D/L (250715) yes OSS
india Elixir *15 Arjun Basandrai 24/11 3.0 (241124) / 3.0 JA D/L OSS
germany Velvet Martin Honert 25/07 9.0.0 dev7 S / 9.0.0 JA dev7 D/L (250715) yes OSS
germany Velvet " 24/11 8.1.1/ 8.1.1 JA D/L " "
germany Molybdenum Hannes Lerchl 24/11 4.1 OSS
belgium Leela Chess Zero G.-C. Pascutto, A. Lyashuk, 25/07 Lc0 0.32.0 RC1 yes OSS
belgium Leela Chess Zero, web G. Linscott, et al. 24/10 Lc0 0.31.2 " "
usa Pedantic JoAnn D. Peeler 24/09 2.1.0 yes OSS
lithuania Chess.cpp Gediminas Masaitis 24/09 4.10 / 4.10 JA D/L yes OSS
russia Reckless Arseniy Surkov 24/08 0.7.0 / 250630 JA dev D/L OSS
germany RubiChess, net Andreas Matthies 24/08 240817 / 250606 JA dev D/L yes OSS
usa Spaghet, net Li Ying 24/08 BologNNese 1.0 / 1.1.3 JA dev D/L (250516) OSS
turkey Devre Ömer Faruk Tutkun 24/08 6.0 / 6.39 JA dev D/L (241101) yes OSS
england Odonata Andy Watkins, Mark Raistrick 24/07 1.0 / 1.0 JA REPO (250719) OSS
germany Nalwald Jost Triller 24/07 19 / 250310 JA dev D/L OSS
switzerland Winter Jonathan Rosenthal 24/06 4.0 *6 OSS
usa Peacekeeper, ² Exocet Kyle Zhang 24/06 3.01 / 3.01 JA REPO (250718) OSS
turkey Ynode, TC-84681 Orhan Öztürk 24/06 0.194 (240613) OSS, free
usa Titan Jeffrey Powell 24/06 1.1 / 250628 JA dev D/L OSS
usa Wasp John Stanback 24/06 7.00 / 7.07 dev yes free
sweden Marvin, net Martin Danielsson 24/05 6.3.0 / 6.3.0 JA D/L yes OSS
russia Uralochka Ivan Maklyakov 25/07 3.42 dev14 / 3.42 JA dev14 D/L (250709) yes OSS
russia Uralochka " 24/05 3.41a / 3.41a JA D/L " "
czech Cheng Martin Sedlak 24/05 4.48 yes OSS
belarus Saturn Egor Moroz 24/04 1.3 / 1.3 JA D/L OSS
usa Berserk, TC-83560 Jay Honnold 24/03 13 / 250622 CE dev D/L yes OSS
canada Mr Bob Vincent Yu 24/03 1.3.0 / 1.3.0 JA D/L (250804) OSS
england Akimbo, ² Monty Jamie Whiting 24/03 1.0.0 / 241218 JA dev D/L OSS
bangladesh Rice Rafid Ahsan 24/03 8.0.0 / 8.0.0 JA REPO (250719) OSS
russia Equisitum, net, ² Drofa Alexander Litov 24/03 1.0 / 1.30 JA dev D/L (250629) OSS
netherland Rebel, EAS Ed Schröder 24/03 16.3 / 2.0 EAS free
belgium Fire, Firefather, web Norman Schmidt 24/03 9.3 / 9.3 JA D/L OSS
turkey Black Marlin Doruk Sekercioglu 24/02 9.0 / 250413 JA dev D/L OSS
china Altair Alexander Tian 24/02 7.0.0 / 7.2.1 JA dev D/L (250703) OSS
usa Midnight Archishmaan Peyyety 24/01 9 / 9 JA D/L OSS
china Avalanche Yinuo Huang 24/01 2.1.0 / 2.1.0 JA REPO (250718) OSS
russia Counter Vadim Chizhov 24/01 5.5 / 5.5 JA D/L OSS
usa Seer, net Connor McMonigle 23/12 2.8.0 / 250310 JA dev D/L yes OSS
usa Dragon by Komodo, CB D. Daily Iv, L. Kaufman, M. Lefler 23/10 3.3 yes *3 *4
netherland rofChade Ronald Friederich 23/09 3.1 yes free
italy Carp Andrea Sgobbi 23/09 3.0.1 / 3.0.1 JA REPO (250719) OSS
sweden Svart Christopher-Robin Storkaas 23/08 6 (230828) / 6 JA D/L (240607) OSS
usa StockDory Shaheryar Sohail 23/08 Starfish 0.1 OSS
spain DanaSah Pedro Castro 23/06 9.1 / 9.1 JA D/L (250807) *9 *10 OSS
Hakkapeliitta, Firefather Mikko Aarnos, Norman Schmidt 23/06 3.0 NNSV *12 REPO *14 yes OSS
germany Little Goliath Evolution Michael Borgstädt 23/06 LGE 3.17     free
hungary BlackCore, ² WhiteCore Balàzs Szilágyi 23/03 6.0 / 6.0 JA REPO (250721) yes OSS
usa Ethereal, web, IPman Andrew Grant 23/02 14.00 IP / 14.31 JA dev REPO (240303) yes OSS *3
germany Smallbrain Max Allendorf 23/01 7.0 / 250722 JA dev REPO yes OSS
germany Frozenight, ² ice4 Mark Carlson 23/01 6.0.0 / 250720 JA dev D/L OSS
finland Koivisto, web Kim Kåhre, Finn Eggers 23/01 9.0 / 9.2 JA dev D/L (250525) yes OSS
usa Mantissa Jeremy Wright 22/08 3.7.2 / 240920 JA dev D/L yes OSS
usa Slow Chess Blitz Jonathan Kreuzer 22/06 2.9 yes free
kurdistan Zahak Amanj Sherwany 22/05 10.0 / 10.0 JA D/L (250717) yes OSS
poland Combusken Marcin Henryk Bartkowiak 22/01 2.0.0 / 2.0.0 JA REPO (241010) yes OSS *2
norway Weiss Terje Kirstihagen 21/08 2.0 / 250206 JA dev D/L yes OSS *2
germany Andscacs (own site) Daniel José Queraltó 21/01 0.1 NNSf *13 free
germany Nemorino, net, RWBC Christian Günther 21/01 6.01 / 6.11 JA dev D/L (240808) yes OSS
Xiphos Milos Tatarevic 19/11 0.6 / 0.6.1 JA dev REPO (250801) yes OSS *2
turkey Defenchess, RWBC Can Cetin, Dogac Eldenk 19/08 2.2 / 2.3 JA REPO (240319) yes OSS *2
usa Laser Jeffrey An, Michael An 19/02 1.7 / 1.7 JA dev D/L (250806) yes OSS *2
usa Fizbo *17 Youri Matiounine 17/12 2.0 REPO (250702) yes OSS
france Senpai, web (own site) Fabien LETOUZEY 17/11 2.0 OSS *2
germany Shredder Stefan Meyer-Kahlen 16/10 13   *11  *2 *3
netherland Spark (Wayback) *16 Allard Siemelink 10/12 1.0 free *2
c.n.a. = currently not available: All works fine!
stronger engines, since a while unavailable: italy Chiron, canada Schooner


Notes:
 go to start of site

- listed are no privately available programs / engines
- listed are CPU engines
- listed are engines that are likely to be in the TOP-100 or close to the TOP-100
 - in additional a few older ones like Spark, Senpai ...

*1 = Java based engine, Java-JRE v8 upd 461, JDK v24.0.2, Node.js v24.5.0 (for Lozza)
*2 = HCE (Hand Crafted Evaluation). If not HCE then NN = Neural Network
*3 = a commercial product
*4 = Komodo & Dragon by Komodo v1 are freely available
*5 = Revenge v1 to v3 are commercial products, freely available since v4
*6 = GitHub compiles created by Jim Ablett = JA
 *7 = Stockfish derived
 *8 = please use the install.bat, can be found on Scorpio GitHub site
 *9 = egbb endgame bases (Scorpio, DanaSah)
 *10 = gaviota endgame bases (Texel in add. syzygy, DanaSah)
*11 = shredder endgame bases (Shredder in add. syzygy)
 *12 = Hakkapeliitta uses in my configuration a Neural Network file from Sergio Vieri = NNSV
 *13 = Andscacs uses in my configuration a Neural Network file from Stockfish = NNSf
*14 = older JA compiles are available
*15 = mingw files required, can be found on: mingw-w64, GitHub (x86_64-posix-seh-msvcrt-rt)
 *16 = TOP-10 engine - Spark 1.0 HCE - from the year 2010
*17 = Fizbo was the first engine to used Neural Network technologies!
 *18 = Winboard adapter (wb2uci by Odd Gunnar Marlin) required

S = Sources available only
² = second interesting program by the programmer

(green date) in brackets, creation date of *.exe

dev = development, Pre = Pre-release, RC = Release Candidate, Iv = Interview
D/L = download, OSS = Open-Source-Software, web = website, net = Neural Network file(s)

Compiles by: JA = Jim Ablett, CE = Chris Euler, IP = IPman, GS = Günther Simon RWBC
Others: Lenard Spencer, Tony Mokkonen
REPO = will be listed when I don't have the D/L url to the last compiled JA version
or the version by the programmer is newer as Jim compiled

ChessBase en, ChessBase de
 Quest by Frans Morsch, Fritz 13 and versions before
Pandix by Gyula Horváth, Fritz 14
Rybka by Vas Raylich, Fritz 15 / 16
Ginkgo by Frank Schneider, Fritz 17 / 18 / 19 / 20


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