Hackaday (@hackaday.com.web.brid.gy)

For Such a Small Program, ZX81 1K Chess Sure Packs a Lot In The Sinclair ZX81 was hardly the most accomplished of 1980s 8-bit microcomputers, but its ultra-low-budget hardware was certainly pressed into service for some impressive work. Perhaps the most legendary piece …read more https://hackaday.com/2026/04/03/for-such-a-small-program-zx81-1k-chess-sure-packs-a-lot-in/