Diamond Chess Online 4+

With Diamond users can play chess at FICS or ICC online. They can play the Pulsar Chess Engine on or offline with chess and variants like Chess960 with levels, and use the Openings Explorer with an opening tree book and analysis which also works offline. For online play, if no account, use the Connect as Guest button to play unrated. FICS accounts are life time free accounts. Diamond supports Dark Mode and has no ads.

All games are logged that are played, and there is the ability to load and examine them with engine analysis to study and learn from last games. The Watch Game Board option watches a high rated game which is also designed as a way to improve in chess by watching. On FICS the Find a Game Board Option has a Training tab for endgame and puzzle studies that both guests and members can use.

The Explorer Tab which works offline or online with certain restrictions while playing, offers an Opening Tree based on 345K over the board games were both players are rated over 2300. The move table view can be toggled to show analysis and PGN games including the players log file can be loaded. The opening name is also given after a few moves are made. There are 10 PGN game collections available in app that include Morphy 1858, Fischer’s best games, a Capablanca and Kasparov collection, and a range of game collections from classical too modern to be viewed with the opening book and analysis, on and offline.

There is an on board multi level program that plays chess, chess960 and a few variants such as Crazyhouse, Atomic and Loser's. The engine option on the connect tab is available on and off line. On ICC there is an option for members to play 50 Videos in app which trials can access too.

The Diamond chess board features engine analysis with one click when observing a game or examining one. Diamond also has a load PGN option and logs all played games to PGN. Multiple games can be up at once and users click the next or previous buttons to move between them.

Diamond supports both chess and the server's variants such as Crazyhouse, Losers, Atomic, Giveaway or Suicide.

The app has an accessible board to use with Voice Over for the visually impaired. On the settings tab in the Voice Over section, there is Voice Over help available with commands that can be used from the console.

Members can join channels and chat in the Diamond console or if the users is familiar with them issue server commands.

FICS, Free Internet Chess Server, is free.