Chess engine: Crystal 8 Dev.82b092c 64 JA, Stockfish derivatives, (Windows and Android)


Crystal is a free, powerful UCI chess engine derived from Stockfish. 
Author: Joseph Ellis, Rating CEDR=3750

v.8:
Resolved a couple of minor but longstanding issues.
Adopt SF eval.
Reworked TT damping.
Merged in upstream from Stockfish.
Implemented contempt.
Singular extensions adjustment.
Improved king danger functionality.
Small pruning adjustments.

Bench: 20049890


Crystal 8 - results:
OpponentScore+-Games
Yuli GM Pro 1650/103-3103 Games
Stockfish 16.147/96-296 Games
Yuliirma 4.039/81-381 Games
Raid 3.6 TR37/80-680 Games
Cool Iris 12.20 D-307233.5/68-168 Games
Dragon 3.332.5/58+758 Games
Deep Blue 20240315-killer25/54-454 Games
JigSaw 5.5i24.5/54-554 Games
AbbyStein 2.822/44+044 Games
Deep Blue 2024051820.5/44-344 Games
Tactical Titan20/42-242 Games
Kookaburra 2.0020/42-242 Games
Brainlearn 2818.5/40-340 Games
Marauders 3.3i18.5/38-138 Games
HypnoS 22042417/38-438 Games
ShashChess 35.215/32-232 Games
SF-PRO 13.04.202416/30+230 Games
ShashChess 35.314.5/28+128 Games
Brainlearn 28.112.5/26-126 Games
Stockfish 2024042111/26-426 Games
HypnoS 16052412/24+024 Games
Marauders 3.611/24-224 Games
Berserk 1311.5/22+122 Games
CorChess 2024042211/22+022 Games
HypnoS legacy 14072410/20+020 Games


Jim Ablett compiles:
Crystal 8 Dev.82b092c 64 JA  -  download

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