[dCiSo]

ZX-81 has released a port of GNU Chess to the Sony PSP. Luckily, he's replaced it's command line interface with a GUI.

"GNU Chess is command line Chess program running on many differents systems such as UNIX, windows or MacOS. It was started in 1986 by Stuart Cracraft, who is continuing to develop it with other coders such as Chua Kong Sian, Stuart Cracraft, Lukas Geyer, Simon Waters and David A. Wheeler."

Download Files: GNU Chess