A fully playable chess game written using under one kilobyte of memory and storage space.A fully playable chess game written using under one kilobyte of memory and storage space.A fully playable chess game written using under one kilobyte of memory and storage space.
At only 672 bytes, "1K ZX Chess" held the record for the smallest digital chess game until 2015, when it was surpassed by Red Sectors' "BootChess", a boot sector chess game using only 487 bytes.