text: #include "chessboard.h"
  
  #ifndef engine_h
  #define engine_h
  
  move get_best_move(chessboard board, bool wtm);
  int alpha_beta_max(int alpha, int beta, int depth_left, chessboard board, bool wtm);
  int alpha_beta_min(int alpha, int beta, int depth_left, chessboard board, bool wtm);
  move calc_best_move(chessboard board, bool wtm);
  
  #endif