picochess v0.9n – Revelation2 Pi Mode

Finally the revelation II chess computer got a massive update concerning its emulation of DGT-XL clocks. For long i asked the developer Ruud Martin to update his rev2 to the newer DGT-3000 chess clock. And this is done now. Actually he not only updated to DGT3000 clock, no…he moved ahead and you can now enjoy a complete 11 chars display like the DGT-Pi would offer! Great news isnt it?

To reach this goal on the picochess side you need this version. Picochess will recognize if you have such Revelation2 and activate the 11chars automatically. If it stays with 6 chars (XL-mode) your Revelation is probably not upgraded (for sure you need a new firmware v3.25 upwards). This firmware is right now in testing but Ruud told me, that if you ask for this, he will provide you with the file. Please dont ask me, instead Ruud. I dont have this firmware file, ok? 😉

Off-Topic: This firmware also includes some other missing engines Ruud promised to do. So, its really worth to get your hands on it.

In addition to the revelation stuff i did the following:

  • bugfix brain mode returning “engine error”
  • documentation updates
  • bugfix voice menu (first displayed value wasnt the safed one and more)
  • included some x86_64 engines for easy usage on non ARM systems
  • new spanish voice “Santiago”
  • new dutch voice “DirkJan”
  • improvement on DGT-Pi shutdown (wQe1) with remote engines activated – Work in progress
  • bugfixes on modes kibitz & ponder for various events like checkmate, startup, takeback
  • bugfix remote engines on level setup (the level settings weren’t transmitted correctly)

The title picture was given from Al Cooper to me. He was helping me to test this new firmware on his Revelation. Thanks!


  1. I have question. How to use remote engines via a local network. What do I have to do on my Pc with the ubuntu system. On my Raspberry, I activated server in the ini file on port 8080. Tutorial needed.

    • Hi Raphael,
      only the first 8 engines are supposed to work on all features of picochess (well, rodent3 still have a problem with “alternative move” – as i posted somewhere else already).
      I should remove these old engines from around 2015 anyway. Thanks for pointing me to this “issue”.

  2. I understand, a customer of “Topschach Benny”, he also told you, in the box would be an RP2?
    Jürgen says PicoChess works, even Galjoen, but Galjoen at me works just as bad 😉

  3. Hello!
    Im about to buy the DGT PI chesscomputer, but I have questions about the voiced move anouncements.
    Are the move notation short or long?
    Are there any videos (or audios) showing this feature?
    Is there (or plans for future) any female (english) voice? (like Arena 3.0)
    Thank you!

  4. Hi Sven,
    the voices are in SAN format so for example “Nf3” => short.
    You can search for “picochess” on youtube.
    There is already a female voice (Christina) for all languages incl. english.

  5. ok, thanks!
    I still cant update the SD-card as it shows up in my win8.1 pc as a 69 Mb H:(boot) and nothing else (no 8Gb). The write32image refuse to write the image due to small amount of space?!

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