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##Overview Moosey is a chess engine designed to run without the help of an external GUI. It uses the SDL2 library. Complete with beautiful hand-drawn pieces!

###Internal Features The following features have been implemented.

  • Negamax search with alpha-beta pruning
  • Quiescence search
  • Principal variation search
  • Iterated deepening, using old princ. var. as first nodes
  • Aspiration window
  • Sorting captures by MVVLVA (for now)
  • Null move reductions
  • History heuristic
  • Killer heuristic (saving 2 moves/ply) (disabled for now)
  • Futility pruning ("Delta" pruning in quiescent search)
  • Extended futility pruning
  • Razoring
  • Search extensions (evading check, singular reply, two replies, threat)
  • Zobrist hashing
  • Draw detection
  • Late move reductions
  • Transposition tables
  • Bitboards for move generation

####In the Future

  • Better move ordering
  • Static exchange evaluation (attempted, gave up for now)
  • More search extensions

Title screenshot Screenshot Checkmate screenshot

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Chess engine in C++ with SDL 2.0 GUI

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