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Chess engine performance and watermark detection evaluation on UCI engine matches

24.4Elo DifferenceStockfish 17.1
6.210.92515.6520.375May 14, 2026

Evaluation results

MethodLinks
Stockfish 17.1Engine=Stockfish 17.1, gamma=0.25, delta=0.52026.0524.46.3790.89428.876.6
Stash v37.0Engine=Stash v37.0, gamma=0.25, delta=0.52026.0520.982.3580.046428.878.7
asmFish 9Engine=asmFish 9, gamma=0.25, delta=0.52026.0510.464.5352.1422.979.3
DragonEngine=Dragon, gamma=0.25, delta=0.52026.0510.433.4510.1514779
Ethereal 14.40Engine=Ethereal 14.40, gamma=0.25, delta=0.52026.0510.465.2410.86533.478.3
PlentyChess 7.0.0Engine=PlentyChess 7.0.0, gamma=0.25, delta=0.52026.056.965.8760.26219.471.5