Chess-Engines

Last changes: March 24th, 2026 (17:15)
back to ETOC-G, Links

goto end of site (Notes) ................. !! Well-assorted by: Alphabetic order of engines

Obligation: Chess programming WIKI, RWBC (chronology)
Fora: CSS, Hiarcs, Schachcomputer.info, TalkChess - New - JA
Open-Bench-Test: T1, T2, T3, T4, T5, T6
Tourney: TCEC, Ratings: CCRL, CEGT, Chess324, IPman, SPCC, UBC

Some GUIs well-assorted in alphabetic order
Arena 3.5.1, Banksia 0.58 RC1, BearChess 1.7.2.1, CB-Emu 260315, ChessMD 1.0,
ChessX 1.6.10, CuteChess 1.4.0, QOL 1.1, en-croissant 0.15.0, HIARCS-CE-Pro 1.5,
JFXChess 4.6.0, LiGround 0.6.0, LittleBlitzer 2.77, Lucas R2.21-FP16, Lucas R6.0.0.11,
Mini-TCEC 0.1.0, Nibbler 2.5.7, Obsidian-CS 2.6.10, Pawn-Appetit 0.11.0, Qapla 0.2.0,
Scid 5.2, Scid vs. PC 4.26, Scid Community 5.1.2.72, Shredder 13, Swiss-Chess 9.64,
 Tarrasch 3.13b, Winboard 4.9.0

ChessBase: Fritz v20-upd.11, ChessBase v18-upd.17, ChessBase v26-upd.6
 CHESS OK: Aquarium 2026, Chess-Assistant 2026
Tools: Norm's 40H Chess-Tools 260320, PGN-Extract 250108
Endgame: syzygy, others, Logos: Chess-Cache		 ETOC-G

March 24th, 2026 (04:30)
Updated every 3 minutes!

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Most of the current TOP 250 available engines included!
 Well-assorted by: Release date of engines, at first frequently updated dev / Pre (3)
 March 24th, 2026 (17:15): D/L = 0,171Mb, this file + 298 Shredder *.eng examples
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255 (+09) Engines rank Programmer(s) Date Version(s) Jim Ablett Endgame Status
world Clockwork, GitHub: D/L *16 12# . the Clockwork developers 26/03 260320-be77e2b0 dev - - OSS *2
australia Halogen, net - Pre   Kieren Pearson 26/03 16.4.0 Pre - syzygy OSS
world Stockfish, GitHub: D/L   . the Sfish developers, authors 26/03 260318-d173a065 dev - syzygy OSS
turkey Ynode   Orhan Öztürk 26/03 0234 - - free
russia Petrel - tags 13# Aleks Peshkov 26/03 S / 3.4 JA D/L *6 - OSS
russia Petrel PeSTO   " 26/03 S / 2.4 JA D/L *6 - OSS *2
japan usa Raphael   Rei Meguro 26/03 3.2 REPO *15 - OSS
brazil Tunguska   Fernando Tenorio 26/03 2.0 REPO *15 - OSS
usa Leaf *18   Dan Homan 26/03 S / 5382 JA dev xb D/L *12 OSS *2
usa ² EXchess (WayBack) *18, web   " 17/02 7.97b xb - " "
syria Bread   Nour Berakdar 26/03 3.0.0 / 3.0.0 JA D/L syzygy OSS
lithuania 4k.c   Gediminas Masaitis 26/03 8.0 260314 - - OSS *2
lithuania ² Chess.cpp   " 24/09 4.10 / 4.10 JA D/L syzygy OSS
spain DanaSah 16# Pedro Castro 23/06 9.1 / 9.1 JA D/L 250807 *9 *10 OSS
world ² Caligula *18, Cerebrum v2.0.3   P. Castro, A. Valverde, D. CARTEAU 26/03 7.0 NNCe xb D/L *6 " free* 27
germany Fatalii   Patrick Heck 26/03 0.10.0 REPO *15 - OSS *2
poland Jackal   Tomasz Jaworski 26/03 2.0.0 MCTS REPO *15 - OSS
netherland Hobbes   Dan Kelsey 26/03 1.0 260310 - - OSS
netherland ² Calvin   " 25/06 6.1.1 / 6.1.1 JA D/L - OSS *1
usa Kobra   Jasper Sinclair 26/03 2.1 REPO *15 - OSS
argentina Aconcagua   Gabriel Tarifa 26/03 5.1.0 - - OSS *2
world Reckless - tags 04# Arseniy Surkov, et al. 26/03 0.9.0 REPO *15 syzygy OSS
turkey RuthIron, web   Emre Kalkan 26/02 21.9.6.7 - - OSS
norway Grail   Jørgen Hanssen 26/02 1.1.0 - - OSS
italy Alexandria, net   Guiseppe Pagano 26/02 9.0.0 / 9.0.0 JA D/L - OSS
france Gaia, web 06# Jean-Francois ROMANG, D. RABEL 26/02 4.1.3 - syzygy free
france Zangdar 07# Philippe CHEVALIER 26/02 6.1.1 REPO *15 syzygy OSS
china Shallow Guess   Zixiao Han 26/02 1.0.0 REPO *15 - OSS
france Prune 13# T. GIROLAMI, J. BIENVENUE 26/02 3.2.1 REPO *15 - OSS
jordan Malika   Fauzi Akram Dabat 26/02 0.892 - syzygy OSS *2
france KnightX 20# Christophe JOLLY 26/02 4.8 - *12 free *2
wales Lozza   Colin Jenkins 26/02 S 9 REPO *15 - OSS *1
wales ² Cwtch   " 26/02 4 251205 - - OSS
england Tcheran 11# Jonathan Gilchrist 26/02 11.0 260216 REPO *15 syzygy OSS
netherland Chessnix   Eric Langedijk 26/02 1.3 REPO *15 - OSS *2
brazil Minke   Eduardo Marinho 26/02 5.0.0 / 5.0.0 JA D/L - OSS
australia Halogen, net   Kieren Pearson 26/02 16 REPO *15 syzygy OSS
usa Tarnished, net - tags   Anik Patel 26/02 Hero 5.0 REPO *15 - OSS
england Monty, GitHub: D/L 08# Jamie Whiting 26/02 260208 MCTS dev - - OSS
england Odonata   Andy Watkins 26/02 1.1.0 REPO *15 - OSS
romania Sturddle   Cristian Vlasceanu 26/02 2.5.0 - syzygy OSS
bulgaria Bagatur   Krasimir Topchiyski 26/02 5.4 / 5.4 JA D/L syzygy OSS *1
canada PZChessBot   Kevin Lu, William Ma 26/02 6.1 REPO *15 - OSS
world Stockfish, dev, net, Iv 03# . the Stockfish developers 26/01 18 / 18 JA D/L syzygy OSS
world Stockfish, dev - page 82 07# - authors 200330 20/07 200731 dev *20 - " OSS *2
usa Yakka   Christopher Crone 26/01 1.5 - - OSS
germany Priessnitz   Kevin Feske 26/01 2.0.1 / 2.0.1 JA D/L - OSS *2
spain EveAnn *18   Andrés Valverde 26/01 3.7 xb - *9 free
germany Leorik 10# Thomas Jan 26/01 3.2.1 REPO *15 - OSS
england Chess-3   Paul Sonkoly 26/01 3.0 REPO *15 - OSS
sweden pawnocchio - tags   Jonathan Hallström 26/01 1.9.2 REPO *15 syzygy OSS
russia RukChess, net   Ilya Rukavishnikov 26/01 4.2.0 / 4.2.0 JA D/L - OSS
poland Publius   Pawel Koziol 26/01 1.1 260109 REPO *15 - OSS
scotland Viridithas, web, net   Cosmo Bobak 26/01 19.0.1 REPO *15 syzygy OSS
england netherland Chess System Tal, Rebel 06# Chris Whittington, Ed Schröder 26/01  2.0 / 2.1 EAS / Extreme - - free
usa Arasan, GitHub   Jon Dart 25/12 25.3 / 25.3 JA D/L syzygy OSS
france Senpai (own site), GitHub 17# Fabien LETOUZEY 25/12 3.0.2 REPO *15 - OSS *2
italy Vajolet2, web 17# Marco Belli 25/12 3.0 REPO *15 syzygy OSS
france Demolito, current 19# Lucas BREASCH 25/12 251216 REPO *15 - OSS *2
germany PlentyChess - tags, TC-85614 03# Patrick Leonhardt 25/12 7.0.0 / 7.0.0 JA / 7.0.37 dev REPO *15 syzygy OSS
slowakia Quanticade   Martin Botka 25/12 Cronus 3.0 D/L - OSS
usa Myrddin *18, Cerebrum v2.0   John Merlino, D. CARTEAU 25/12 0.94 NNCe xb REPO *15 *10 OSS *7
germany israel Schönemann   Jochen Gehtab 25/12 0.5.0 / 0.5.0 JA D/L - OSS
germany brazil Cinder   Bruno Dutra 25/12 0.4.1 REPO *15 syzygy OSS
hungary Eleanor, web   Mark Kasa 25/12 3.0 REPO *15 - OSS
netherland Dog, GitHub - tags   Folkert van Heusden 25/12 4.10.2 REPO *15 syzygy OSS
poland Caissa   Michal Witanowski 25/12 1.24 / 1.24 JA D/L syzygy OSS
germany JackyChess   Matthias Lang 25/12  25.12 / 25.12 JA D/L - OSS *1 *2
france Orion, Cerebrum v2.0 19# David CARTEAU 25/11 1.1 - - free / OSS
belarus Quirky   Anton Kernozhitsky 25/11 2.1 / 2.1 JA D/L - OSS
world Leela Chess Zero, web   . the Lc0 developers 25/11 Lc0 0.32.1 PUCT - syzygy OSS
france Isa 17# Daniel ANULIERO 25/11 4.5 - syzygy free
denmark Meltdown   Hans Binderup 25/11 1.11 / 1.11 JA D/L syzygy OSS *2
england Yukari   Hannah Ravensloft 25/11  2025.11.1 JA D/L *6 - OSS
new_zealand ice4   Mark Carlson 25/10 6.1 / 6.1 JA dev D/L - OSS *2
new_zealand ² Frozenight   " 23/01 6.0.0 / 7.0.0 JA dev D/L - OSS
germany Ginkgo, CB   Frank Schneider 25/10 Fritz 20 251024, GUI upd.07 - syzygy *3
norway Arcanum   Lars Murud Aurud 25/10 2.7 / 2.7 JA D/L syzygy OSS
sweden bitbit *16   Isak Ellmer 25/10 1.6 / 1.6 JA D/L - OSS
australia Princhess   Lana Samson (Jacob Jackson) 25/10 0.21.0 / 0.21.0 JA D/L syzygy OSS
usa Pounce   Alex Flick 25/10 3.0.0 REPO *15 - OSS
spain Anubis *18   José Carlos Martínez Galán 25/10 3.06 xb REPO *15 syzygy OSS
spain Lynx - tags   Eduardo Cáceres 25/10 1.11.0 REPO *15 - OSS
germany Truncator *16   Nikolas Windheuser 25/10 1.0 (Pesto) - syzygy OSS
germany ² Schneckbert   " 25/04 3.0 / 3.0 JA D/L - "
hungary tomitankChess   Kuzmics Tamás 25/09 S / 5.3 JA D/L 250927 - OSS *1 *2
italy Heimdall, GitHub   Mattia Giambirtone 25/09 1.4.2 REPO *15 - OSS
netherland Lunar   Patrick Hilhorst 25/09 0.4.0 REPO *15 - OSS
germany OliThink, GitHub   Dr. Oliver Brausch 25/09 5.11.9 250919 REPO *15 - OSS *2
world OliThink, Cerebrum v1.1   ", Jim Ablett, D. CARTEAU 25/11 5.11.9 NNCe JA-v4 D/L 251124 - OSS *7
slovenia Lambergar   Janez Podobnik 25/09 1.3 REPO *15 - OSS
romania Clover   Luca-Mihnea Metehau 25/09 9.1 / 9.1 JA D/L syzygy OSS
russia Uralochka 05# Ivan Maklyakov 25/09 3.42a / 3.42a JA D/L syzygy OSS
turkey Potential   Eren Araz 25/08 3.0.0 / 3.0.0 JA D/L - OSS *2
usa Maelstorm   Saigautam Bonam 25/08 3.3.0 REPO *15 - OSS
england Panda   Sebastiano Rebonato-Scott 25/08 1.1.1 250819 REPO *15 - OSS
usa Weiawaga   Kyle Krowpman 25/08 6.0 / 6.0 JA D/L - OSS
singapore Weak *16   Ethan Pan 25/08 1.0.0 / 1.0.0 JA D/L - OSS *2
belgium Fire, Firefather projects, web   Norman Schmidt 25/08 10 / 10 JA D/L - OSS
france Cheese, GitLab 20# Patrick DUHAMEL 25/08 3.3.2 REPO *15 syzygy OSS *2
spain granada Oxide   M. Ángel De la Vega Rodríguez 25/08 2.0.0 / 2.0.0 JA D/L - OSS
canada Patricia, EAS 09# Adam Kulju 25/07 5 / 5 JA / 5 xtremeEAS D/L syzygy OSS
canada ² Willow 08# " 24/02 4.0.0.1 / 4.0 JA REPO 240426 - "
england Crab   Jasper Shovelton 25/07 S / 4.6.3 JA D/L 250918 - OSS *2
england Celeris   Hin-Yu-Evan Fung 25/07 2.0 / 2.0 JA D/L - OSS
germany Spike, GitHub   Ralf Schäfer, Volker Böhm 25/07 1.4.1 - *12 OSS *2
austria Astra   Semih Özalp 25/07 6.1.1 / 6.1.1 JA D/L syzygy OSS
france Pluto, web 20# Ludovic DEBEVER 25/07 1.0.1 - - OSS
usa Clarity, ² Anura   Joseph Pasfield 25/07 8.0.0 / 8.0.0 JA D/L syzygy OSS
usa Aku   Hoa T. Vu 25/07 250709 / 250709 JA D/L - OSS
south-korea Turbulence   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 syzygy OSS
england ² Polaris   " 23/06 1.8.1 / 1.8.1 JA REPO 240813 " OSS *2
england Colossus   Martin Bryant 25/06 2025b - syzygy free *2
england Admete   Kylie MacFarquharson 25/06 1.8.0 REPO *15 syzygy OSS
norway Axiom   Sindre Wolden 25/06 2.1.0 - - OSS
czech Motor   Martin Novák 25/06 0.9.0 / 0.9.0 JA D/L - OSS
italy Obsidian, net   Gabriele Lombardo 25/05 16.00 / 16.00 JA D/L syzygy OSS
italy Obsidian, TC-84272 - dev   " 25/10 16.15 CE dev / 16.14 JA dev D/L " "
france Minic, Minic-Dist, net 08# Vivien CLAUZON 25/05 S 3.44 / 3.41 / 3.43 JA D/L syzygy OSS
brazil Illumina   Thomas Mergener 25/05 3.0 / 250525 JA dev D/L - OSS
usa Horsie   Liam McGuire 25/05 1.1 / 1.1 JA D/L - OSS
usa ² Lizard aka LTChess   " 25/01 11.2 REPO *15 - "
germany Qapla   Volker Böhm 25/05 0.3.2 250517 / 0.3.2 JA D/L *22 OSS *2
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 syzygy OSS
ethiopia Scorpio *8   Daniel Shawul 25/05 3.0.15.14 / 3.0.15.14 JA D/L *9 OSS
world Dirty *18   Fonzy Bluemers, et al. 25/04 Catpaw xb - *12 free *2
france Stash, GitHub 10# Morgan HOUPPIN 25/04 37.0 / 37.10 JA dev D/L 250803 - OSS *2
france ² Vault 20# " 24/06 0.4.1 JA dev REPO 240602 - OSS
england Sapling   Timothy Jones 25/04 1.2.7 REPO *15 - OSS
italy Perseus   Giovanni Manduca 25/04 1.1 / 1.1 JA D/L - OSS *2
italy Protej   Alex Brunetti 25/04  251228a dev / 0.6.8 - - free *2
usa Superultra   Alexander Liang 25/04 2.1 / 2.1 JA D/L - OSS
portugal Starzix - archived, ² Starlynn   Ricardo Pinto 25/04 6.1 / 6.1 JA D/L - OSS
usa MadChess, GitHub   Erik Madsen 25/03 3.3 - - OSS
usa Hardfiskur   Tyler Zhang 25/03 250329 JA rev 98eab6f D/L - OSS *2
usa Cadie   Martin Wyngaarden 25/03 2.1 / 2.1 JA D/L - OSS *2
netherland Euwe   Joost Houben 25/03 2.1.0 / 2.1.0 JA D/L syzygy OSS *2
england Chessatron   Daniel Allinson 25/03 1.3.14c - - OSS *2
iceland Seawall   Pétur Runólfsson 25/03 250322 / 250322 JA D/L - OSS *2
france Dump 20# Richard DELORME 25/03 2.3 - - OSS *2
france ² Amoeba 20# " 21/12 3.4 / 3.4 JA REPO 231221 - "
romania Eidolon   Daniel Malanca 25/03 1.0.0 - - OSS
ukraine Booot 06# Alex Morozov 25/02 7.4 - - OSS
russia Zevra   Oleg Smirnov 25/02 2.6 / 2.6 JA D/L - OSS
czech Sentinel   Daniel Samek 25/02 2.0 / 2.0 JA D/L - OSS
macedonia Integral   Aron Petkovski 25/02 7 / 250812 JA dev D/L syzygy OSS
poland Inanis   Pawel Osikowski 25/02 1.6.0 REPO *15 syzygy OSS *2
france Seredina 18# Alexander WIMMER 25/01 1.2c REPO *15 - OSS
usa Serendipity   Shawn Xu 25/01 1.0 / 1.0 JA D/L - OSS *1
sweden Texel 08# Peter Österlund 25/01 1.12 - syzygy *10 OSS
sweden Texel, Dropbox   " 25/11 1.13a6 dev / 1.13a4 JA dev D/L 250713 " "
italy Revenge 06# Fabio Gobbato 25/01 4.0 - syzygy free *5
italy ² Pedone   " 21/04 3.21 - " free
england Pingu   William Ching 24/12 5.0.0 / 5.0.0 JA D/L - OSS
ukraine Igel 06# Volodymyr Shcherbyna 24/12 3.6.0 / 3.6.3 JA dev / S 3.6.4 D/L 250628 syzygy OSS
england Hiarcs   Mark John Uniacke 24/12 15.4 - syzygy *2 *3
brazil Tucano, net 09# Alcides Schulz 24/12 12.00 / 12.17 JA dev D/L 250715 syzygy OSS
spain Atlas   Andrés Manzanares 24/12 4.35 - syzygy free *2
usa Puffin   Kurt Peters 24/11 5.0 REPO *15 - OSS
india ChandraChess   Aditya Chandra 24/11 2.0 REPO *15 - OSS
india Elixir *16   Arjun Basandrai 24/11 3.0 241124 / 3.0 JA D/L - OSS
germany Velvet 06# Martin Honert 24/11 8.1.1 / 8.1.1 JA D/L syzygy OSS
germany Velvet - dev   " 25/07 S / 9.0.0 JA dev7 D/L 250715 " "
germany Molybdenum   Hannes Lerchl 24/11 4.1 / 4.1 JA D/L 250812 - OSS
usa Rengar   Thomas Swayze 24/10 2.1.1 / 2.1.1 JA D/L - OSS
austria Cheers   Sebastian Venter 24/10 1.0.0 / 1.0.0 JA D/L syzygy OSS *2
usa Pedantic   JoAnn D. Peeler 24/09 2.1.0 - syzygy OSS
usa Exocet   Kyle Zhang 24/09 0.4.0 / 250817 JA dev D/L - OSS
usa ² Peacekeeper   " 24/06 3.01 / 3.01 JA REPO 250718 - "
world 4ku   . the 4ku developers 24/08 5.1 240829 / 5.1 JA REPO 240910 - OSS *2
france Simbelmyne 17# Sam ROELANTS 24/08 1.10.0 / 1.10.0 JA D/L 250904 - OSS *2
germany RubiChess, net   Andreas Matthies 24/08 240817 / 250606 JA dev D/L syzygy OSS
usa Spaghet, net   Li Ying 24/08 BologNNese 1.0 / 1.1.3 JA dev D/L 251118 - OSS
turkey Devre   Ömer Faruk Tutkun 24/08 6.0 / 6.39 JA dev D/L 241101 syzygy OSS
germany Nalwald   Jost Triller 24/07 19 / 250310 JA dev D/L - OSS *2
hungary WhiteCore   Balàzs Szilágyi 24/07 0.2 JA dev REPO 240702 - OSS
hungary ² BlackCore   " 23/03 6.0 / 6.0 JA REPO 250721 syzygy "
switzerland Winter   Jonathan Rosenthal 24/06 4.0 JA REPO *6 - OSS
usa Titan   Jeffrey Powell 24/06 1.1 / 250628 JA dev D/L - OSS
usa Wasp, mirror 09# John Stanback 24/06 7.00 - syzygy free
usa Wasp, mirror - dev 09# " 25/11 7.14 dev 251104 - " "
sweden Marvin, net   Martin Danielsson 24/05 6.3.0 / 6.3.0 JA D/L syzygy OSS
czech Cheng   Martin Sedlak 24/05 4.48 - syzygy OSS
belarus Saturn   Egor Moroz 24/04 1.3 / 1.3 JA D/L - OSS
italy Mida - archived   Giacomo Porpiglia 24/04 2.3.1 / 2.3.1 JA REPO 240814 - OSS
usa Berserk, TC-83560   Jay Honnold 24/03 13 / 250622 CE dev D/L syzygy OSS
france Belette 20# Vincent BAB 24/03 3.0.0 REPO *15 - OSS *2
england Akimbo   Jamie Whiting 24/03 1.0.0 / 241218 JA dev D/L - OSS
canada Mr Bob   Vincent Yu 24/03 1.3.0 / 1.3.0 JA D/L 250804 - OSS
bangladesh Rice   Rafid Ahsan 24/03 8.0.0 240318 REPO 250719 - OSS
bangladesh ² Jet   " 24/03 1.2 - - "
russia Equisitum, net   Alexander Litov 24/03 1.0 / 1.30 JA dev D/L 250629 - OSS
russia ² Drofa   " 23/12 4.1.0 fix / 4.1.1 JA REPO 240513 - "
turkey Black Marlin   Doruk Şekercioğlu 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
germany ChessBrainVB   Roger Zühlsdorf 24/02 4.03a - syzygy OSS *2
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
japan Kuma   Kato Daichi 24/01 1.2 - - OSS
usa Seer, net   Connor McMonigle 23/12 2.8.0 / 250310 JA dev D/L syzygy OSS
argentina Ceibo   Federico Rojo 23/12 1.0 - syzygy free
usa Dragon by Komodo, CB   Don Daily, et al. 23/10 3.3 MCTS - syzygy *3 *4
usa ² Komodo, Iv   " 20/11 14.1 MCTS *20 - " free *2
netherland rofChade, ² PeSTO   Ronald Friederich 23/09 3.1 - syzygy free
italy Carp + Carp   Andrea Sgobbi 23/09 3.0.1 / 3.0.1 JA dev2 D/L 250928 - OSS
usa Wahoo   Andrew Hockman 23/08 4.0.0 / 4.0.0 JA REPO 240428 syzygy OSS
sweden Svart   Cristopher Torgrip 23/08 6 230828 / 6 JA D/L 240607 - OSS
usa StockDory   Shaheryar Sohail 23/08 Starfish 0.1 - - OSS
spain Coiled, web   Oscar Gavira 23/07 1.2 / 1.2 JA REPO 240221 - OSS *2
philippines GOOB   Gabriel Montes 23/07 1.8.9 / 1.8.9 JA REPO 240830 - OSS *2
germany Little Goliath Evolution   Michael Borgstädt 23/06 LGE 3.17 - - free
india Vengeance   Amar Thapa 23/05 3.1.0 / 3.1.0 JA REPO 240526 - OSS
netherland The Baron *18   Richard Pijl 23/05 3.451 xb - syzygy free *2
canada Clovis   Jonathan McDermid 23/03 S / III JA dev D/L 251009 - OSS *2
usa Ethereal, web, IPman   Andrew Grant 23/02 14.00 IP / 14.31 JA dev REPO 240303 syzygy OSS *3
germany Smallbrain   Max Allendorf 23/01 7.0 / 250722 JA dev REPO syzygy OSS
germany Koivisto, web   Finn Eggers, Kim Kåhre 23/01 9.0 / 9.2 JA dev D/L 250525 syzygy OSS
england Francesca *18   Tom King 22/09 0.32 xb - - free *2
russia Shallow2, GitHub   Dimitry Sultanov 22/08 5 / 5 JA dev D/L 251008 - OSS *2
usa Mantissa   Jeremy T. Wright 22/08 3.7.2 / 240920 JA dev D/L syzygy OSS
usa Slow Chess Blitz 08# Jonathan Kreuzer 22/06 2.9 - syzygy free
kurdistan Zahak   Amanj Sherwany 22/05 10.0 / 10.0 JA D/L 250717 syzygy OSS
poland Combusken - archived   Marcin Henryk Bartkowiak 22/01 2.0.0 / 2.0.0 JA REPO 241010 syzygy OSS *2
italy n.a. Chiron   Ubaldo Andrea Farina 22/01 5.01 w32 220113 *14 - *9 *10 *2, *3
italy Nu-chess, D/L   Filippo Marfe 21/10 1.0 - - free *2
england Topple   Vincent Tang 21/08 0.8.1 / 0.8.1 JA REPO 240901 syzygy OSS *2
india Bit-Genie   Aryan Parekh 21/08 9 / 9.24 JA dev D/L 250920 - OSS
norway Weiss   Terje Kirstihagen 21/08 2.0 / 250206 JA dev D/L syzygy OSS *2
world Dark Toga, TC-77514 *24   T. Gaksch, D. Kappe et al. 21/06 III: 1.1 / 1.1 JA REPO 240620 - OSS
world Toga, WIKI *24   T. Gaksch, D. Kappe et al. 21/05 III: 0.3.12 / 0.3.12 JA REPO 240918 - OSS
world Toga *24   T. Gaksch, Ed Schröder et al. 22/03 II: 4.0-1.1 NNRe JA REPO 240515 - OSS *26
philippines Invictus   Edsel Apostol 21/06 r382 / r391 JA D/L 250901 - OSS *2
poland spain Rodent, GitHub   Pawel Koziol, Pablo Vazquez 21/04 IV: 0.22 / 0.33 JA D/L 250318 - OSS *2
world Rodent   ", Ed Schröder, et al. 22/03 1.1 NNRe JA REPO 241008 - OSS *26
andorra Andscacs (Wayback), web   Daniel José Queraltó 21/03 0.95198 - - free *2
germany Nemorino, net 11# Christian Günther 21/01 6.01 / 6.11 JA D/L 240808 syzygy OSS
usa Nirvanachess   Thomas Kolarik 20/12 2.5 201212 - *22 free *2
germany Tornado   Engin Üstün 20/12 201209 / 241015 NN - *12 free
germany FabChess   Fabian von der Warth 20/11 1.16 - - OSS *2
italy Gogobello   Salvatore Giannotti 20/05 2.2 - syzygy OSS *2
germany Monolith   Jonas Mayr 20/05 2.01 - syzygy OSS *2
germany Asymptote   Maximilian Lupke 20/05 0.8 - syzygy OSS *2
brazil pirarucu   Raoni Campos 20/05 3.3.5 / 3.3.5 JA REPO 240430 - OSS *1 *2
netherland chess22k   Sander Maassen van den Brink 20/04 1.14 - - OSS *1 *2
spain Gödel (Wayback), REPO   Juan Manuel Vázquez 20/02 7.0 JA - - free *2
usa Crafty, WIKI *18   Prof. Robert M. (Bob) Hyatt 20/02 25.6 JA xb D/L 250901 syzygy OSS *2
canada Schooner D/L *18 *19   Denis Sceviour 19/12 2.2 xb - - free *2
spain RuyDos (Wayback)   Álvaro Begué, José M. Morán 19/12 1.1.11 - syzygy free *2
serbia Xiphos 13# Milos Tatarevic 19/11 0.6 / 0.6.1 JA REPO 250801 syzygy OSS *2
serbia belgium Sophix *13 15# Milos Tatarevic, Norman Schmdit 26/01 1.0 - - OSS *2
germany Deep iCE 20# Thomas Petzke 19/10 4.0.853 - *12 free *2
turkey Defenchess   Can Cetin, Eldenk Dogac 19/08 2.2 / 2.3 JA D/L 250813 syzygy OSS *2
usa Laser 14# Jeffrey An, Michael An 19/02 1.7 / 1.8 JA dev D/L 250806 syzygy OSS *2
usa philippines Hannibal   Sam Hamilton, Edsel Apostol 18/12 S / 181202 JA dev D/L 250916 - OSS *2
russia SmarThink 20# Sergei S. Markoff 18/02 1.98 - syzygy free *2
usa Fizbo *17 17# Youri Matiounine 17/12 2.0 / 2.0 JA REPO 250702 syzygy OSS
czech usa Rykba, CB, web   Vasik Raylich 17/11 Fritz 16 171113 - *12 *2 *3 *21
romania Zurichess, web (WayBack), D/L   Alexandrou Mosoi 17/09 Neuchatel / Nidwalden dev - - OSS *2
netherland Bobcat   Gunnar Harms 16/11 8.0 JA REPO 241113 - OSS *2
netherland belgium Tomcat *25   ", Norman Schmidt 20/02 1.0 JA D/L 250716 - "
germany Shredder   Stefan Meyer-Kahlen 16/10 13 - syzygy *11 *2 *3
finland Hakkapeliitta 20# Mikko Aarnos 16/04 TCEC v2 REPO *15 syzygy OSS *2
spain Rhetoric (Wayback), web   Alberto Sanjuan 15/11 1.4.3 - - free *2
germany Protector, sources   Raimund Heid 15/10 1.9.0 / 1.9.0 JA REPO 240606 *12 OSS *2
russia Gull, WIKI   Vadim Demichev 14/04 3 - - OSS *2
russia usa Gull, Roc, Roc2 *23   ", Tom Hyer 26/01 1.10 / 2.0.5 REPO *15 syzygy "
russia spain Gull *23   ", Jose Maria Velasco 16/05 3.1 JV - " "
russia italy Gull *23   ", Basil Falcinelli 16/05 3.0 BF - " "
End of list, stronger engines released before 2015 not listed, like:

 slowakia Critter / 19#, italy Equinox, israel Junior, slovenia MinkoChess, canada Naum, germany Nemo, russia Quazar, netherland Spark / 20#,
 usa Zappa = (+09)

Notes:
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- only one engine per programmer or group of programmers is counted = 255 (+09)
- listed are engines that are likely to be in the TOP 250 or close to the TOP 250
- listed are no private engines
- listed are no engines the name of programmer is unknown
- listed are CPU engines, no GPU only engines
- it is possible that unmarked derived engines are hidden in the list; I am not a police officer.

*1 = JAVA based engine, Java-JRE v8 Upd 481, JDK v26, Node.js v25.8.1 (for Lozza)
*2 = HCE (Hand Crafted Evaluation). If not HCE then NN = Neural Network
*3 = 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 = Myrddin, OliThink mod. by J. Ablett, Caligula mod. by A. Valverde use Neural Network Cerebrum = NNCe
*8 = please use the install.bat on Scorpio GitHub site
 *9 = egbb bases (Caligula, Chiron, DanaSah, EveAnn, Scorpio)
 *10 = gaviota bases (Chiron, DanaSah, Equinox, Myrddin + Texel in add. syzygy)
*11 = shredder bases (Shredder in add. syzygy)
 *12 = nalimov bases
 *13 = Xiphos dervied (programmer of Xiphos = Milos Tatarevic)
*14 = Chiron runs under Windows 11 as 32bit engine only
*15 = older JA compiles are available
*16 = bitbit, Clockwork, Elexir, Truncator, Weak required:
 *16 = libgcc_s_seh-1.dll, libwinpthread-1.dll, libstdc++-6.dll, I offer a download of these files!
 *16 = can be found on: mingw-w64, GitHub (x86_64-posix-seh-msvcrt-rt)
*17 = Fizbo was the first engine to use Neural Network technologies!
 *18 = wb2uci.exe, xb adapter by Odd Gunnar Marlin required, D/L v1.3b22 / 070623
*19 = Schooner runs more stably as xb engine
*20 = Stockfish, the latest HCE version! Komodo, the latest HCE version!
*21 = Rybka 2.3.2a HCE is freely available
 *22 = own bitbases (Nirvanachess, Qapla)
*23 = Gull derived (programmer of Gull = Vadim Demichev)
*24 = Fruit derived (programmer of Fruit = Fabien LETOUZEY, web)
 *25 = Bobcat derived (programmer of Bobcat = Gunnar Harms)
*26 = Rodent, Toga uses a Neural Network from Rebel = NNRe

S = Sources available only
² = second program by the programmer, the current development at first!

dev = development, Pre = Pre-release, D/L = download, OSS = Open-Source-Software,
web = website, net = Neural Network file(s), Iv = Interview, xb = xboard, MCTS = Monte-Carlo Tree Search

Compiles by: JA = Jim Ablett, CE = Chris Euler, IP = IPman, DA = Dann Corbit, AB = Alex Brunetti
Older JA directory's by: Lenard Spencer, Tony Mokkonen

REPO if the D/L URL to the last JA compiles or the version by programmer(s) is newer as Jim's compiles

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

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Rank
01#  General Field Marshal ***** ... represents a goal!
02#  General of Engines **** ... perhaps possible in 2026?
03#  Lieutenant General ***
04#  Major General **
05#  Brigadier General *
---
06#  Colonel
07#  Lieutenant Colonel
08#  Major
09#  Captain
10#  First Lieutenant
11#  Second Lieutenant
---
12#  Sergeant Major
13#  Master Sergeant
14#  Sergeant First Class
15#  Staff Sergeant
16#  Sergeant
17#  Corporal
18#  Specialist
19#  Private First Class
---
20#  Private

20#  Highlighted in yellow = since my last test-run one or more newer version(s) have been released or
are available as so-called dev / pre / beta ... version(s)!

by Frank Quisinsky, Germany
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This URL is a part of Frank's Chess Page

A help file to find TOP engines faster!