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Arasan 26.1 - new version chess engine (Windows, Android, Linux)

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A new version of one of the longest-developed chess engines has been released - Arasan 26 JA . The engine plays very strongly and is ranked high at 41th place in the CEDR ranking. We will start the first tests of this engine soon.  Arasan - UCI engines Author: Jon Dart Rating Chess Engines Diary CEDR=3739 Arasan has both a native user interface (for Windows only) and a console-based chess engine for use with Winboard or xboard. Arasan also works with Arena, another free chess interface, and with UCI-compatible programs like Fritz and Chessbase. Arasan includes an opening "book" with over 900,000 moves. Arasan - what's new? Changes in Arasan 26.1 (October 2026): Changes to futility margin calcuation Rework history heuristic and history pruning, retune Add some utility/tool programs: filter_pgn.py, bulletstats LMR changes and tuning with Lakas Fixes/enhancements to selfplay utility Scale eval by material level Stricter FEN parsing and error reporting Retrain network with 3-...

Avalanche 5.0.0 - new version chess engine

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Avalanche - UCI (NNUE Chess Engine) Author: SnowballSH  Rating CEDR=3579 What's new? With a larger neural network and further optimizations, Avalanche is now about 100 elo stronger, with strength between Stockfish 12 and Stockfish 13. Avalanche now supports playing Chess960 and has a surprisingly high strength even without specific fine-tuning for 960. Avalanche also now supports a richer set of UCI options, including WDL output, Limited Strength, Pondering. Binaries for popular architectures are directly attached below. All other binaries can still be found in the zip file. You can now use and play against Avalanche online: https://avalanche.snowballsh.com Thanks everyone for the support! STC vs Avalanche 4.0.0: Elo | 100.18 +- 3.87 (95%) Conf | 8.0+0.08s Threads=1 Hash=16MB Games | N: 10000 W: 4048 L: 1242 D: 4710 Penta | [13, 355, 1794, 2489, 349] LTC vs Avalanche 4.0.0: Elo | 102.22 +- 8.18 (95%) Conf | 40.0+0.40s Threads=1 Hash=64MB Games | N: 2000 W: 789 L: 217 D: 994 ...

DON dev-20260914 wins Mac Chess Engines Tournament, 09.10.2026

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  DON dev-20260914 claimed victory in the latest chess engine tournament for macOS, with Stockfish 19 securing second place and Inphish 7.0.0 finishing third. Another tournament is on the horizon—stay tuned to our website for updates. Time: 3'+3", GUI-Banksia, Intel Core i5, 8 G B Memory , macOS #chessenginesdiary 760 Tournament games download , Table created: Banksia and Scid vs. PC All 12.892 games for MacOS download Tech table: Engine KN/move NPS depths/move time/move moves/game time/game fails Avalanche 4.0.0 1744 374236 20.0 4.7 79.1 368.7 Booot 7.4 1663 325768 26.6 5.1 72.4 369.8 Coco 1.5.1 2232 431883 17.1 5.2 72.3 373.8 Combusken 2.0.0 3888 763906 24.3 5.1 78.1 397.6 1 Critter 1.6a 5596 1095377 20.0 5.1 70.7 361.4 Dog 4.10 1825 361870 17.8 5.0 63.9 322.1 DON dev-20260914 1063 203298 30.6 5.2 66.5 348.0 Heimdall 1.5.1 1462 284335 31.2 5.1 63.8 327.9 Inphish 7.0.0 891 171743 33.6 5.2 68.2 353.7 Kookaburra 1.03 2133 412722 35.7 5.2 70.9 366.5 L...

Stockfish and derivatives - new Chess Engines Diary Ranking CEDR - 12.10.2026

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Stockfish and derivatives - new Chess Engines Diary Ranking CEDR - 12.10.2026 Here is the latest CEDR  chess engine ranking. We would like to highlight a few new updates: Calculate ratings – Chess Rating Studio Pro. The new   game database (as of August 1, 2026) has been cleaned of very weak engines, outdated versions, and engines released many years ago. However, the legacy database containing over 900,000 games is still available for download. Due to the smaller number of games in the new database, we have reduced the minimum threshold for ranking calculations to 100 games. The anchor engine remains Critter 1.6a, set at 3250. All 903.628 games download (until 30.06.2026) All 72.725 games CEDR 01.10.2026 download . Here is a ranking list TOP 20 chess engines, complete ranking lists on our website: RATING Rank Engine Rating Games W-D-L Score % Draw % Points 1 Strato III 3932.3 456 203-252-1 72.1 55.3 329.0 2 Raid 7.6 3921.1 108 45-62-1...