PlayStation Portable homebrew developer Zx-81 has released another update for PSP GNU Chess, upgrading it to version 1.0.3. The new version sports IR keyboard support and other additional features.

If you missed the previous releases, PSP GNU Chess is a PSP port of a command line chess program called GNU Chess, originally created by Chua Kong Sian, Stuart Cracraft, Lukas Geyer, Simon Waters, and David A. Wheeler. Anyway, this version has a number of additional features and a bug fix. Here's the changelog bundled with the download:

IR Keyboard support
Add Option to highlight last move
Display captured and promoted pieces
Add virtual keyboard to enter PGN filename
Load and Save PGN game file
Fix joypad/pad speed issue

There you have it. Check out the documentation (readme, changelog, license, and authors) for more information about PSP GNU Chess.