Ethereal is a UCI-compliant chess engine operating under the alpha-beta framework, paired with a Neural Network for positional evaluations. Ethereal is inspired by a number of open source projects and aims to serve as both a high-end engine and reference for other authors.

ReleasesHomeInfo • C • UCI • Andrew Grant (USA)

Provided free without NNUE, and for $60 for the full engine, paid directly to the author.

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