o["Mobility (Middle Game)"] = Option(100, 0, 200, on_eval);
o["Mobility (Endgame)"] = Option(100, 0, 200, on_eval);
o["Passed Pawns (Middle Game)"] = Option(100, 0, 200, on_eval);
o["Mobility (Middle Game)"] = Option(100, 0, 200, on_eval);
o["Mobility (Endgame)"] = Option(100, 0, 200, on_eval);
o["Passed Pawns (Middle Game)"] = Option(100, 0, 200, on_eval);