+ RootMoves.clear();
+
+ // Populate RootMoves with all the legal moves (default) or, if a searchMoves
+ // set is given, with the subset of legal moves to search.
+ for (MoveList<MV_LEGAL> ml(pos); !ml.end(); ++ml)
+ if (searchMoves.empty() || searchMoves.count(ml.move()))
+ RootMoves.push_back(RootMove(ml.move()));