Chess Engines Diary

ChessGUI V14 first release: Real Tournament Manager, round-robin for 3+ engines, TTF rendering, UCI ponder with time control, analysis, opening book. Self-extracting installer + full source (GPL-3.0). Author: Nkralev76-hue ChessGUI V14 download     mirror

EveAnn - UCI chess engines Rating Chess Engines Diary CEDR=3367 EveAnn  is a small  Winboard chess engine written by Andrés Valverde.  It plays a decent chess, but is much weaker than Dirty.  Via the INI file you can set up 5 different strength levels. It plays a funny and optimistic chess so I hope you enjoy  it.  From version 2.0 I ran  a little experiment to check how many ELO could gain a little chess engine like EveAnn using Stockfish NNUE technology. It uses Daniel Shawul library to access the SF NNUE code, and I had to compile it as a DLL (NNUE.DLL file) and write a little interface to it in Pascal so that EveAnn could access it.  To my surprise the ELO gain was huge, around +450 ELO, maybe more (I estimated around 2.800 ELO CCRL) and the best thing that encouraged me to release, it plays a very interesting and funny chess. The Pascal interface to the nnue.dll  is freely available for any use.  The NNUE file is derivated from ...

Yakka -  UCI chess engine. Author: CJDalrymple, Rating Chess Engines Diary CEDR=3259 Yakka is a Chess Engine writen in object pascal (Delphi) that implements the Universal Chess Interface (UCI) protocol. It is recommended to use a Chess GUI application such as Arena, Banksia GUI Cute Chess. This project is licenced under the MIT Licence Future Endevours (TODO) In no particular order:   - Much experimenting / tweaking   - MultiPV   - Pondering      - Singular Extensions   - Endgame Tablebases   - NNUE Yakka - what's new? Yakka v1.6 24 Sep 2026 release. Implemented support for Syzygy Table Bases and MultiPV. Playing strength gain due to search parameter tuning and bug fixes. You can download the precompiled Windows executable: 'Yakka v1.6 x64.exe' This will run on x86-64 CPU's which support the BMI2 and AVX2 instruction sets. Yakka 1.3 vs other engines: Fire 10 mingw 1.5/20 -17 20 Games YuliGM Pro 20 0/16 -16 16 Games Laser 1.8 beta JA 2/12 -8...

  MagicTree  - UCI chess engine written in C++ Author: Vikrant Malvankar  Rating CEDR=3035 What's New? Release build & compatibility ▸ Engine identity is updated to MagicTree 3.5 with a 2900 Elo release label. ▸ The optimized static PEXT build adds whole-program link-time optimization for 64-bit AVX2/BMI2 processors. ▸ The public UCI option set remains compatible with MagicTree 3.4. Evaluation retuning ▸ Broadly retuned piece activity, mobility, pawn structure, threats, king safety, passed pawns, initiative, tempo, and space. ▸ Packed middle-game/endgame scores reduce duplicated evaluator arithmetic while preserving independent phase values. ▸ Expanded evaluation tracing exposes material, pieces, passers, threats, king safety, activity, scaling, and final evaluation. Exact & specialized endgames ▸ Added an exact KPK bitbase generated at startup and a material-keyed endgame registry for positions up to seven pieces. ▸ Added specialized knowledge and scaling for roo...

Dear readers and friends of the Chess Engines Diary Team, Today, we're pleased to announce another update to the MEGA disk . As a bonus for our supporters, we have added a total of 46 new files , including chess engines, opening books, and games. Look: New Bonus Rules from the Chess Diary MEGA Dysk - update 25.09 .2026 (46 files added) Engines for Windows: (34 files):  Abc 1.0.7z ACE 2.10 JA.7z Anna 1.2.7z Arche 0.4.5.7z Arche 0.4.6.7z Atlas 4.35.7z Aurora 1.28.0.7z Caissa 2.0.7z Casanchess 1.1.2.7z Cepimetheus 16.0.0 JA.7z Chesstango 1.10.0.7z DON dev-20260922.7z Dragon of MORS 0.2.0.7z Ember 1.3.1.7z Ferrous 0.5.1.7z Gaiachess 4.3.1.7z Gaiachess 4.3.2.7z Heimdall 1.5.1.7z Onslaught 2.0.7z Pasteque 0.0.0.7z Peras 3.6.0.7z Qapla 0.4.0 JA.7z Revolution 6.40-150926.7z StockDory 0.2.1.7z Stockfish dev-20260922.7z Surveyor-ONE.1.7z Tce 0.1.0.7z Tce 0.1.0-pre.1.2.7z Thom 1.0.3.7z Triumviratus 7.0 JA.7z Wakwak 0.13.0.7z Wakwak 0.14.0.7z Wakwak 0.9.0.7z Zoomies 5.2.7z MacOS (5 files):...

  CorChess 20260915 has claimed victory in the latest elite chess engine tournament, with Raid 7.6 securing second place and Stockfish 19 coming in third. The impressive showing from the Anna engine also stands out. CEDR 903.628 games download (until 30.06.2026) All Games 85.078 CEDR from 01.09.2026 download . 💾 Tournament games : 546 download 💻 Dell G15 SE, i7-11800H RAM 16,0 GB   🖬 GUI - Myracle, book:avt-2026b #chessenginesdiary Country - Poland, City - Malbork   🕓 Time 3'+3"