Contents

module BoardEvaluation
  def evaluate
    material_evaluation + piece_location_evaluation
  end

  def material_evaluation
    white_evaluation = friendly_pieces(:white).map(&:value).sum
    black_evaluation = -friendly_pieces(:black).map(&:value).sum

    white_evaluation + black_evaluation
  end

  def piece_location_evaluation
    white_evaluation = friendly_pieces(:white).map(&:location_value).sum
    black_evaluation = -friendly_pieces(:black).map(&:location_value).sum

    white_evaluation + black_evaluation
  end

  def evaluate_move(move, color)
    provisional(move, color) do
      evaluate
    end
  end
end

Version data entries

10 entries across 10 versions & 1 rubygems

Version	Path
sapphire-chess-1.1.7	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.1.6	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.1.5	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.1.4	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.1.3	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.1.2	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.1.1	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.1.0	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.0.1	lib/sapphire-chess/board/board_evaluation.rb
sapphire-chess-1.0.0	lib/sapphire-chess/board/board_evaluation.rb