Hiarcs is one of a few 3000+ ELO programs available for iOS devices. I think it should be #2 after the programs running Stockfish. Hiarcs is not free but it's worth buying thanks to the user friendly GUI.
- Automatic self play from any position to play out a game using current engine and clock settings
- Handles more non standard PGN files
- Improved handling for customer loaded opening books
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