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Fridolin is a freeware chess-engine. It supports the standard protocol UCI to communicate with external Graphical User Interfaces (GUI) like Shredder, Winboard, Arena and Chessbase.

The engine is written in C++ and can be compiled under Windows, Linux and macOS.

Implementations:

• • UCI protocol

  • Chess960 (Fischer Random Chess)

  • Multithreading

  • Multi-PV mode

  • Polyglot Opening Book

  • Syzygy Tablebases

  • Rating of about 2758 Elo (single core)