chessx 1.4.6-2build1 (armhf binary) in ubuntu focal

 With ChessX you can operate your collection of chess games in many ways:
 browse, edit, add, organize, analyze, etc.
 .
 Current features:
  - Multi-platform. Supports Windows, Linux and Mac OS X.
  - Load and save PGN files.
  - Work with multiple databases simultaneously.
  - Browse games, including variations.
  - Enter moves, variations and comments.
  - Setup board, copy/paste FEN.
  - Search header (click on columns in game list header).
  - Display opening tree for the current position.
  - Analyze using UCI and Winboard/XBoard chess engines.
  - Observe and play games on FICS.