Picochess is a chess program for the Raspberry Pi that you can use to carry out analyses, train openings, and master games.

In this guide, learn how to open the hatch in Fisch to enter the Cryoshock Cellar by finding every lever locations.

If you insist on using your router's USB port, there are two important precautions to follow. First, only use it for non-critical files. Don't share or transfer anything sensitive through the port.