Homebrew developer Zx-81 has released a port of the popular command line chess program GNU Chess to PSP. The initial release features a complete graphical user interface and a single player mode in which players can play chess against the computer.

Download PSP GNU Chess v1.0.1 For Custom Firmware / PSP GNU Chess v1.0.1 For Firmware 1.5

PSP GNU CHESS: Chess game for PSP [Zx-81]

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Read more: PSP GNU Chess v1.0.3,  PSP GNU Chess v1.0.2,  PSPGGO v1.1.0,  Jurajstyk’s PSP Quake v1.0,  PSPIRC v1.1.0