kosmickanga··on Fixing the mechanics of my bullet chessSmaller nit: they were never Elo points to begin with because Lichess uses the Glicko-2 system.
kosmickanga··on 6502 – Guideline to Reverse Engineering (how to read die shots) [pdf]Based on the SCPA act only giving 10 years of protection and the 6502 coming out in 1975, it might be fine to exploit commercially. https://en.wikipedia.org/wiki/Semiconductor_Chip_Protection_...
kosmickanga··on ChesSkelet: Micro Chess Game for ZX Spectrum in 365 BytesThe minimal versions don't check human move validity (see the "Read before playing" section), and d2d4 is illegal as white is in check.