It reminds me of Atari 2600 chess, which used to be able to beat me [1] using 4k of ROM and 128 bytes of RAM [2].

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[1] This is not a particularly remarkable achievement even today, of course.

[2] Note to people younger than twenty: this is not a typo.

I used to get repeatedly trounced by "Video Chess" on the TI-99/4A. Don't know how large that game was, but being from '79 it couldn't have been that large. Not that I was (or am) any good at chess -- if I fired up that game under MESS today it would probably still trounce me.