Cinnamon chess engine 2.2a

 
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Cinnamon (former Butterfly) is a chess program for Windows, Linux, Mac OS, ARM and Android, is a console-based chess engine for use with Xboard, Arena, Tarrasch, Chess for Android or any UCI-compatible GUI. Cinnamon is also a javascript library to play with chessboardjs or any js GUI.


Features
  • Available for both Unix, Windows, Mac, Android, ARM and Javascript
  • GPL 3 License
  • UCI protocol
  • Parallel Search - Lazy SMP
  • C++11 source
  • Rotated bitboards
  • Null moves
  • Futility pruning
  • Delta pruning
  • Razoring
  • Interruptible multithread Perft test
  • 32/64 bit architectures
  • Iterative deeping
  • History heuristics
  • Lazy evaluation
  • Mvv/Lva
  • Transposition Table
  • Aspiration Windows
  • Late Move Reduction
  • Ponder
  • Available with Tarrasch GUI for Windows
  • Open Book (Polyglot)
  • Gaviota Tablebases
  • Elo ratings
Download stable release 2.2a (2019 April)

  Windows 471 download

  Mac 275 download

  Linux 199 download

  Tarrasch GUI for Windows 196 download

Android (by Aart Bik)
  Engine 3369 download
  GUI

  Javascript 190 download

  ARM 260 download

  C++ Source for  Windows Mac Linux Android 2398 download