// protocol requires to send all the PV lines also if are still
// to be searched and so refer to the previous search's score.
if ((value > alpha && value < beta) || current_search_time() > 2000)
// protocol requires to send all the PV lines also if are still
// to be searched and so refer to the previous search's score.
if ((value > alpha && value < beta) || current_search_time() > 2000)