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Velvet 9.0.0 dev-7 JA - new version chess engine


Velvet - UCI Chess Engine, Author: Martin Hornet 
Chess Engines Diary Rating CEDR=3629

Velvet 9.0.0 dev-7 what's new?

Preview release for TCEC - not intended for rating lists
Next official release will probably be released in August (2025).

Changes
Optimizations
New neural network
Mirrored board representation (e.g. to avoid having to mirror the board at runtime when probing TBs)
Minor search improvements

Velvet 8.1.1 JA vs other engines:
Motor 0.8.0 JA44.5/109-20109 Games
Caissa 1.2140/105-25105 Games
Viridithas 15.0.036/83-1183 Games
Alexandria 7.1.028.5/83-2683 Games
Lizard 11.134.5/73-473 Games
Starzix 6.032.5/68-368 Games
PlentyChess 3.0.125.5/65-1465 Games
Clover 8.1 JA26.5/64-1164 Games
RubiChess 2024081725.5/63-1263 Games
Stormphrax 6.0.028.5/58-158 Games
Uralochka 3.42 dev724.5/54-554 Games
Integral v519.5/51-1251 Games
Integral v621.5/48-548 Games
Berserk 2024111917.5/44-944 Games
Revenge 4.017/42-842 Games
Dragon 3.314.5/42-1342 Games
Igel 3.6.0 JA21.5/40+340 Games
Devre 6.39 JA17.5/39-439 Games
Berserk 1313.5/39-1239 Games
Chess-System-Tal-219/38+038 Games
Ethereal 14.2515.5/36-536 Games
Lizard 11.215.5/36-536 Games
Spaghet BologNNese 1.018/33+333 Games
Titan 1.1.016/30+230 Games
Obsidian 14.05 SE10.5/29-829 Games
PlentyChess 4.0.110.5/26-526 Games
Obsidian 14.23 SE10/26-626 Games
Viridithas 16.0.010/26-626 Games
Horsie 1.0.6 JA9.5/26-726 Games
Arasan 24.2.2 JA15/25+525 Games
Rebel-EAS 2.010/22-222 Games
Clover 8.0.19.5/20-120 Games

Velvet chess engine's best results in our tests:


Jim Ablett compiles:

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