/// MovePicker is a class which is used to pick one legal move at a time from
/// the current position. It is initialized with a Position object and a few
/// MovePicker is a class which is used to pick one legal move at a time from
/// the current position. It is initialized with a Position object and a few
const Position& pos;
Move ttMove, mateKiller, killer1, killer2;
const Position& pos;
Move ttMove, mateKiller, killer1, killer2;