Homebrew developer Zx-81 has released an update to PSP GNU Chess, a port of the popular command line chess program GNU Chess.

Changes in version 1.0.2 include an option to toggle difficulty, as well as various bug fixes and an undo and book feature.

What’s new is this version?

– Option to specify search depth (i.e: difficulty)
– Add Undo feature
– Add Book feature, move database is stored in file book.dat.
The file given with this homebrew is the book.dat provided
with GNU Chess (but you can replace it by your own)
– Bug fix when you put black on the bottom of the screen,
King and Queen weren’t at the right place !
– Bug fix with keys/analog pad (sensitivity was too high)

Download PSP GNU Chess v1.0.2 for Custom Firmware / PSP GNU Chess v1.0.2 for Firmware 1.5

PSP GNU CHESS: Chess Game for PSP v1.0.2 [Zx-81]

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