[avlevy-ms]

I tried out the bootchess implementation on the website, and while it is very impressive to fit a chess-playing program in under 512 bytes, fair warning that it is not a complete implementation of chess. I tried castling and it didn't work, then found this comment explaining more: https://www.pouet.net/prod.php?which=64962#c715279

[Trixter]

A more complete chess that fits in a boot sector is Toledo Atomchess: https://nanochess.org/chess6.html