Engines

Last changes: May 08th, 2025
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100 Engines Release Status Version by programmer(s), GitHub, Open Bench
Arasan (GitHub), web, compiles (Jim Ablett) 05/2025 Open-Source *4 25.1 NN / 25.1 NN JA Jon Dart, compiles by "Jim Ablett"
Renegade (GitHub), compiles (Jim Ablett), RWBC 05/2025 Open-Source *4 1.2.0 NN / 1.2.0 NN JA Krisztián Peőcz, compiles by "Jim Ablett" & compiles by "Günther Simon"
Pawn (GitHub), compiles (Jim Ablett) 05/2025 Open-Source *4 4.0 NN / 4.0 NN JA Rui Coelho, compiles by "Jim Ablett"
Astra (GitHub), compiles (Jim Ablett) 05/2025 Open-Source *4 5.2 NN / 5.2 NN JA Semih Oezalp, compiles by "Jim Ablett"
Caissa (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4  1.22 NN / 1.22 NN JA Michal Witanowski, compiles by "Jim Ablett"
 pawnocchio (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 1.6 NN / 1.4 NN JA Jonathan Hallström, compiles by "Jim Ablett"
Stash (GitLab), compiles (Jim Ablett), Vault (GitHub) (2) 04/2025 Open-Source 37.0 / 37.0 JA Morgan Houppin, compiles by "Jim Ablett"
Sapling (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 1.2.7 NN / 240919 NN JA dev Timothy Jones, compiles by "Jim Ablett"
Chess System Tal 04/2025 free *4 CSTal 2.1 EAS NN Chris Whittington
Leorik (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 3.1.3 NN / 3.1.3 NN JA Thomas Jan, compiles by "Jim Ablett"
Perseus (GitHub), compiles (Jim Ablett) 04/2025 Open-Source 1.1 / 1.1 JA G. M. Manduca, compiles by "Jim Ablett"
Protej 04/2025 free 0.6.8 Alex Brunetti
Turbulence (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 4.0.0.6 NN / 4.0.0.3 JA Jun-Seo Choi, compiles by "Jim Ablett"
Viridithas (GitHub) 04/2025 Open-Source *4 17.0.0 NN Cosmo Bobak
Cinder (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 0.1.4 NN / 250311 NN JA dev Bruno Dutra, compiles by "Jim Ablett"
Superultra (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 2.1 NN / 2.1 NN JA Alexander Liang, compiles by "Jim Ablett"
Starzix (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 6.1 NN / 6.0 NN JA Ricardo Pinto, compiles by "Jim Ablett"
Heimdall (Git), compiles (Jim Ablett) 04/2025 Open-Source *1, *4 1.3.2 NN / 250407 NN JA dev Mattia Giambirtone, compiles by "Jim Ablett"
Schneckbert (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 3.0 NN / 3.0 NN JA Nikolas Windheuser, compiles by "Jim Ablett"
Yukari (GitHub), compiles (Jim Ablett) 04/2025 Open-Source *4 2025 4.1 NN JA Hannah Ravensloft, compiles by "Jim Ablett"
Stockfish, dev-1, dev-2, Net files, compiles (Jim Ablett) 03/2025 Open-Source *1, *4 17.1 NN / 17.1 NN JA Romstad & Costalba & Kiiski, et al., compiles by "Jim Ablett"
 Expositor (GitHub), compiles (Jim Ablett) 03/2025 Open-Source *1, *4 5 NN JA dev Kade Philipps, compiles by "Jim Ablett"
Lambergar (GitHub) 03/2025 Open-Source *4 1.1 NN Janez Podobnik
Cadie (GitHub), compiles (Jim Ablett) 03/2025 Open-Source 2.1 / 2.1 JA Martin Wyngaarden, compiles by "Jim Ablett"
PlentyChess (GitHub), compiles (Jim Ablett) 03/2025 Open-Source *4 5.0.0 NN / 5.0.0 NN JA Patrick Leonhardt, compiles by "Jim Ablett"
Quanticade (GitHub), compiles (Jim Ablett) 03/2025 Open-Source *4 Fenrir 1.0 NN / Fenrir 1.0 NN JA Maksim Korzh & Martin Botka, compiles by "Jim Ablett"
PrinChess (GitHub), compiles (Jim Ablett) 03/2025 Open-Source *4 0.20.0 NN / 0.20.0 NN JA Lana Samson & Jacob Jackson, compiles by "Jim Ablett"
Alexandria (GitHub), compiles (Jim Ablett) 03/2025 Open-Source *4 8.0.0 NN / 8.0.0 NN JA PGG and Contributors, compiles by "Jim Ablett"
Arcanum (GitHub), compiles (Jim Ablett) 03/2025 Open-Source *4 2.5 NN / 2.5 NN JA Lars Murud Aurud, compiles by "Jim Ablett"
Calvin (GitHub) 03/2025 Open-Source *4, *6 6.0.0 NN Dan Kelsey
Booot (GitHub) 02/2025 Open-Source *4 7.4 NN Alex Morozov
RukChess (GitHub) 02/2025 Open-Source *4 4.0.2 NN Ilya Rukavishnikov
Integral (GitHub), compiles (Jim Ablett) 02/2025 Open-Source *1, *4 7 NN / 7 NN JA dev Aron Petkovski, compiles by "Jim Ablett"
Obsidian (GitHub), Net files (GitHub), compiles (Jim Ablett) 02/2025 Open-Source *1, *4 15.00 NN / 15.19 NN JA dev Gabriele Lombardo, compiles by "Jim Ablett"
Serendipity (GitHub) 01/2025 Open-Source *4, *6 1.0 NN Shawn Xu
Horsie (GitHub), compiles (Jim Ablett), Lizard (GitHub) (2) 01/2025 Open-Source *1, *4 1.0 NN / 1.0.6 NN JA dev Liam McGuire, compiles by "Jim Ablett"
Texel (GitHub), Dropbox 01/2025 Open-Source *4 1.12 NN Peter Österlund
Revenge, Pedone (2) 01/2025 free *4, *7 4.0 NN Fabio Gobbato
Schoenemann (GitHub), compiles (Jim Ablett) 12/2024 Open-Source *4 0.4.0 NN / 0.4.0 NN JA Jochen Gehtab, compiles by "Jim Ablett"
Igel (GitHub) ... (forked from GreKo 2018.01), compiles (Jim Ablett) 12/2024 Open-Source *4 3.6.0 NN / 3.6.0 NN JA work by Volodymyr Shcherbyna & Vladimir Medvedev, compiles by "Jim Ablett"
Hiarcs 12/2024 *3 15.4 Mark Uniacke
Zangdar (GitHub), compiles (Jim Ablett) 12/2024 Open-Source *4 3.04 NN / 3.04 NN JA Philippe Chevalier, compiles by "Jim Ablett"
Tucano (GitHub), compiles (Jim Ablett), Net files (GitHub) 12/2024 Open-Source *4 12.00 NN / 12.00 NN JA Alcides Schulz, compiles by "Jim Ablett"
Clover (GitHub), compiles (Jim Ablett) 12/2024 Open-Source *4 8.1 NN / 8.1 NN JA Luca-Mihnea Metehau, compiles by "Jim Ablett"
Patricia (GitHub), compiles (Jim Ablett), Willow (GitHub) (2) 12/2024 Open-Source *1, *4 4 NN / 4 NN JA dev Adam Kulju, compiles by "Jim Ablett"
Elixir (GitHub), compiles (Jim Ablett), mingw (GitHub) 11/2024 Open-Source *4 3.0 NN / 3.0 NN JA Arjun Basandrai, compiles by "Jim Ablett"
Velvet (GitHub), compiles (Jim Ablett) 11/2024 Open-Source *1, *4 8.1.1 NN / 9.0.0 NN dev5 / 8.1.1 NN JA Martin Honert, compiles by "Jim Ablett"
Molybdenum (GitHub) 11/2024 Open-Source *4 4.1 NN Hannes Lerchl
Stormphrax (GitHub), compiles (Jim Ablett) 10/2024 Open-Source *1, *4 6.0.0 NN / 6.0.17 NN JA dev Conor Anstey, compiles by "Jim Ablett"
Motor (GitHub), compiles (Jim Ablett) 10/2024 Open-Source *4 0.8.0 NN / 0.8.0 NN JA Martin Novák, compiles by "Jim Ablett"
Leela Chess Zero (GitHub), web 10/2024 Open-Source *4 Lc0 0.31.2 NN Garry Linscott, et al.
Sirius (GitHub), compiles (Jim Ablett) 10/2024 Open-Source *1 8.0 / 250501 JA dev mcthouacbb, compiles by "Jim Ablett"
Pedantic (GitHub) 09/2024 Open-Source *4 2.1.0 NN JoAnn D. Peeler
Chess.CPP (GitHub), compiles (Jim Ablett), mingw (GitHub) 09/2024 Open-Source *1, *4 4.10 NN / 4.10 NN JA dev Gediminas Masaitis, compiles by "Jim Ablett"
Bagatur (GitHub), compiles (Jim Ablett) 08/2024 Open-Source *4, *6 5.1c NN / 5.1c NN JA Krasimir Topchiyski, compiles by "Jim Ablett"
Reckless (GitHub), compiles (Jim Ablett) 08/2024 Open-Source *1, *4 0.7.0 NN / 250313 NN JA dev Arseniy Surkov, compiles by "Jim Ablett"
RubiChess (GitHub), Net files (GitHub) 08/2024 Open-Source *4 20240817 NN Andreas Matthies
Spaghet (GitHub), Net files (GitHub) 08/2024 Open-Source *4 BologNNese 1.0 NN Li Ying
Devre (GitHub), compiles (Jim Ablett) 08/2024 Open-Source *1, *4 6.0 NN / 6.39 NN JA dev Ömer Faruk Tutkun, compiles by "Jim Ablett"
Halogen (GitHub), compiles (Jim Ablett), RWBC 08/2024 Open-Source *1, *4 12 NN / 12.12.3 NN JA dev Kieren Pearson, compiles by "Jim Ablett" & compiles by "Günther Simon"
Odonata (GitHub) 07/2024 Open-Source *4 1.0 NN Andy Watkins
Nalwald (GitHub), compiles (Jim Ablett) 07/2024 Open-Source *1, *4 19 NN / 250310 NN JA dev Jost Triller, compiles by "Jim Ablett"
Clarity (GitHub), compiles (Jim Ablett) 07/2024 Open-Source *1, *4 7.2.0 NN / 250416 NN JA dev Joseph Pasfield, compiles by "Jim Ablett"
Winter (GitHub), compiles (Jim Ablett) 06/2024 Open-Source *4 4.0 NN JA Jonathan Rosenthal, compiles by "Jim Ablett"
Peacekeeper (GitHub) 06/2024 Open-Source *4 3.01 NN Kyle Zhang
Titan (GitHub) 06/2024 Open-Source *4 1.1 NN Jeffrey Powell
Wasp, web2 06/2024 free *1, *4 7.00 NN / 7.07 NN dev John Stanback
Marvin (GitHub), Net files (GitHub) 05/2024 Open-Source *4 6.3.0 NN Martin Danielsson
Uralochka (GitLab), googledrive, compiles (Jim Ablett) 05/2024 Open-Source *1, *4 3.41a NN / 3.42 NN dev9-2 / 3.41a NN JA Ivan Maklyakov, compiles by "Jim Ablett"
Cheng (GitHub) 05/2024 Open-Source *4 4.48 NN Martin Sedlak
Saturn (GitHub) 04/2024 Open-Source *4 1.3 NN Egor Moroz
Berserk (GitHub), compiles (Jim Ablett), TalkChess-83560 compiless 03/2024 Open-Source *1, *4 13 NN / 250307 NN JA dev Jay Honnold, compiles by "Jim Ablett" & compiles by "Chris Euler"
Mr Bob (GitHub) 03/2024 Open-Source *4 1.3.0 NN Vincent Yu
Akimbo (GitHub), compiles (Jim Ablett) 03/2024 Open-Source *1, *4 1.0.0 NN / 1.1.0 NN JA dev Jamie Whiting, compiles by "Jim Ablett"
Rice (GitHub) 03/2024 Open-Source *4 8.0.0 NN Rafid Ahsan
Equisitum (GitHub) ... (derived from Shallow Blue), compiles (Jim Ablett) 03/2024 Open-Source *1, *4 1.0 NN / 1.15 NN JA dev work by Alexander Litov & Rhys Rustad-Elliott, compiles by "Jim Ablett"
Rebel, Rebel EAS ... (derived from Fruit 2.1) (2) 03/2024 free *4 16.3 NN / 2.0 EAS NN work by Ed Schröder & Fabien LETOUZEY, et al.
Fire (GitHub), web, FireFather (GitHub) 03/2024 Open-Source *4 9.3 NN / 250304 NN Norman Schmidt
Black Marlin (GitHub), compiles (Jim Ablett) 02/2024 Open-Source *1, *4 9.0 NN / 250413 NN JA dev Doruk Sekercioglu, compiles by "Jim Ablett"
Altair (GitHub), compiles (Jim Ablett) 02/2024 Open-Source *1, *4 7.0.0 NN / 7.1.5 NN JA dev Alexander Tian, compiles by "Jim Ablett"
Midnight 01/2024 Open-Source *4 9 NN Archishmaan Peyyety
Minic (GitHub), compiles (Jim Ablett), Minic all (GitHub) 01/2024 Open-Source *1, *4 3.41 NN / 3.4.3 NN JA dev Vivien Clauzon, compiles by "Jim Ablett"
Avalanche (GitHub) 01/2024 Open-Source *4 2.1.0 NN Yinuo Huang
Counter (GitHub), compiles (Jim Ablett) 01/2024 Open-Source *4 5.5 NN / 5.5 NN JA Vadim Chizhov, compiles by "Jim Ablett"
Seer (GitHub), compiles (Jim Ablett) 12/2023 Open-Source *1, *4 2.8.0 NN / 2.8.0 NN JA dev Connor McMonigle, compiles by "Jim Ablett"
Ginkgo (Fritz 17 / 18 / Power 18 / 19 = Chessbase) 11/2023 *3, *4 Fritz 19 NN Frank Schneider
Dragon by Komodo (in add. a Chessbase product) 10/2023  *2, *3, *4 3.3 NN / 14.1 (free) Don Daily & Larry Kaufman & Mark Lefler, et al.
rofChade 09/2023 free *4 3.1 NN Ronald Friederich
Carp (GitHub) 09/2023 Open-Source *4 3.0.1 NN Andrea Sgobbi
StockDory (GitHub) 08/2023 Open-Source *4 Starfish 0.1 NN Shaheryar Sohail
DanaSah 06/2023 Open-Source *4 9.1 NN Pedro Castro
BlackCore (GitHub), WhiteCore (GitHub) (2) 03/2023 Open-Source *4 6.0 NN Balazs Szilagyi
Ethereal (GitHub), web, compiles (Jim Ablett) 02/2023 Open-Source *1, *2, *4 14.00 NN / 14.31 JA dev Andrew Grant & Alayan & Laldon, compiles by "Jim Ablett"
Smallbrain (GitHub) 01/2023 Open-Source *4 7.0 NN Max Allendorf
Koivisto (GitHub), web, compiles (Ipman) 01/2023 Open-Source *1, *4 9.0 NN / 9.2 NN IP dev Kim Kåhre & Finn Eggers, compiles by "Ipman"
Mantissa (GitHub), compiles (Jim Ablett) 08/2022 Open-Source *1, *4 3.7.2 NN / 3.7.2 NN JA dev Jeremy Wright, compiles by "Jim Ablett"
Slow Chess Blitz 06/2022 free *4 2.9 NN Jonathan Kreuzer
Zahak (GitHub) 05/2022 Open-Source *4 10.0 NN Amanj Sherwany
Weiss (GitHub), compiles (Jim Ablett), RWBC, compiles (Ipman) 08/2021 Open-Source *1 2.0 / 250206 JA dev Terje Kirstihagen, compiles by "Jim Ablett" & compiles by "Günther Simon"
Nemorino (BitBucket), Nemorino all, Net files, compiles (Jim Ablett) 01/2021 Open-Source *1, *4, *5 6.01 NNSf6.11 NN JA dev Christian Günther, v6.05 (Net_16), compiles by "Jim Ablett"

 

*1 = dev (development) version(s) available!
*2 = older versions of Komodo, Ethereal (without NN)
*3 = Commercial Chessbase product also

*4 = NN = (Neural Network)
*5 = NNSf = (Neural Network file based on Stockfish)
*6 = JAVA
*7 = older versions of Revenge are commercial products, free since v4.0!

Fritz 13 and versions before = Quest by Frans Morsch
Fritz 14 = Pandix by Gyula Horvath
Fritz 15 / 16 = Rybka by Vas Raylich
Fritz 17 / 18 / Power 18 / 19 = Ginkgo by Frank Schneider