final polish (make it easier)

Author: baerlux

src/config.hpp

@@ -24,7 +24,7 @@ static constexpr int base = 10;
 static constexpr int chain_length = 3;
 static constexpr int surface_size = 100;
 static constexpr int max_surface_factor = 10000;
-static constexpr int min_win_score = 5000;
+static constexpr int min_win_score = 2000;
 static constexpr int player_lives = 5;
 static constexpr int player_energy = 100;
 static constexpr int ok_energy_gain = 10;