Crystal is a free powerful UCI chess engine powered by Stockfish.
Author: Joseph Ellis
Crystal 3.1 avx512 compile:
https://mega.nz/file/bBQ0BLpJ#1o4DuHHii7VkpOYBoBxwDbC_lPms7ddQkWcNrVCZEec
Crystal 3.1 avx2 compile:
https://mega.nz/file/eYZCmLyI#38ok_2JQ378DBEkxxzzuEU4IPkxuuSdecPAR8jLhQOY
Crystal 3.1 bmi2 compile:
https://mega.nz/file/rEZgSZ7Y#PsjNfU5TmYoUp147xOQjKD1VoQnFETt9a0Fs5tzRopM