o["Contempt Factor"] << Option(0, -100, 100);
o["Min Split Depth"] << Option(0, 0, 12, on_threads);
o["Threads"] << Option(1, 1, MAX_THREADS, on_threads);
o["Contempt Factor"] << Option(0, -100, 100);
o["Min Split Depth"] << Option(0, 0, 12, on_threads);
o["Threads"] << Option(1, 1, MAX_THREADS, on_threads);