Flatsonar

CoreChess

by Paolo Iommarini

Open source chess GUI for chess engines

Broad permissions Verified creator GPL-3.0-or-later v0.18.4.0
Install Source code
Screenshot 1 of CoreChess Screenshot 2 of CoreChess Screenshot 3 of CoreChess

About

Play chess (standard or Chess960) against your computer

Engines included in the package:

  • Stockfish
  • Leela Chess Zero
  • Gnuchess

Supported chess engines:

  • UCI (Universal Chess Interface) like Stockfish, Komodo/Dragon and Leela Chess Zero
  • CECP (Chess Engine Communication Protocol) like Crafty

Supported opening book formats:

  • Polyglot (BIN)
  • Arena opening book (ABK)
  • Chessmaster (OBK)

Permissions

1 permission weaken the sandbox. Flatsonar asks before installing.

  • X11 display: X11 lets apps read input and windows of other apps
    --socket=x11
  • inter-process communication (needed for X11)
    --share=ipc
  • audio
    --socket=pulseaudio
  • GPU acceleration
    --device=dri
  • access to your documents folder
    --filesystem=xdg-documents
  • access to your pictures folder
    --filesystem=xdg-pictures

Who publishes this

The creator demonstrably controls this app id: Flathub verification, the hosting account owns the namespace, or a well-known file on their domain.

  • verified on Flathub: the developer proved they control this app id
    publisher:flathub

Maintenance

Recent activity on the upstream repository, or built and reviewed by Flathub.

No staleness signals: recent activity, or built and reviewed by Flathub.