#include "Genes/Freedom_To_Move_Gene.h"

#include <string>

#include "Genes/Gene.h"
#include "Game/Board.h"
#include "Game/Color.h"

double Freedom_To_Move_Gene::score_board(const Board& board, Piece_Color perspective, size_t) const noexcept
{
    static const auto initial_score = double(Board().legal_moves().size());
    if(perspective == board.whose_turn())
    {
        return board.legal_moves().size()/initial_score;
    }
    else
    {
        return board.previous_moves_count()/initial_score;
    }
}

std::string Freedom_To_Move_Gene::name() const noexcept
{
    return "Freedom to Move Gene";
}

#include "Genes/Freedom_To_Move_Gene.h"

#include <string>

#include "Genes/Gene.h"
#include "Game/Board.h"
#include "Game/Color.h"

double Freedom_To_Move_Gene::score_board(const Board& board, Piece_Color perspective, size_t) const noexcept
{
    static auto initial_score = double(Board().legal_moves().size());
    if(perspective == board.whose_turn())
    {
        return board.legal_moves().size()/initial_score;
    }
    else
    {
        return board.previous_moves_count()/initial_score;
    }
}

std::string Freedom_To_Move_Gene::name() const noexcept
{
    return "Freedom to Move Gene";
}

--- 
+++ 
@@ -8,7 +8,7 @@
 
 double Freedom_To_Move_Gene::score_board(const Board& board, Piece_Color perspective, size_t) const noexcept
 {
-    static auto initial_score = double(Board().legal_moves().size());
+    static const auto initial_score = double(Board().legal_moves().size());
     if(perspective == board.whose_turn())
     {
         return board.legal_moves().size()/initial_score;
Add const to constant value
