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[Julien MARCEL]

No, SF in itself can run on very modest hardware (at least for the CPU). I guess you problems are more:

- How much RAM would SF need for a decent use, with acceptable hash tables?
- How much flash storage would you need to store SF, its book, and a minimal Os to run it (I guess you'll be using a minimal stripped-down Linux?)

What hardware specs do you intend to have for your device, if that's not secret? Maybe it's still under discussion?

EDIT: btw, the Raspberry Pi has 128 MB of RAM, an ARM CPU with a powerful graphics, handle networks and many other thing, and is sold for $25...
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Author of Prédateur chess engine: http://predateur-chess.blogspot.fr