Arrived here it would be advisable to increase the analysis time of the 14 million positions, the last step. Good advice is invaluable. 14 million positions at 1 second already took 4 days. An alternative would to analyze them with a fixed depth. We choose for the latter, since contrary to fixed time, fixed depth finishes the iteration. We analyze the 14 million positions with depth=16 plies.
Alternatively we offer the 14 million EPD positions ifor download so you can analyze them yourself for an even better result and produce an even stronger Polyglot USB (Ultra Short Book). Drop me a note via the contact form how to do that. Or, if you want to contribute new <=10 moves opening positions to the database you can also use the contact form and I will provide you with the necessary software and instructions.