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Game · Puzzle, board & word games

CoreChess

CoreChess is a board game, available on Linux.

  • Completely free
  • Linux
  • Open source

At a glance

CoreChess is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

Weaknesses

  • Few recent updates

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)

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 7 November 2026
  • Description from Flathub — AppStream (Flathub)

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