Stockfish 9 圆4), primarily to extend the 3 plies opening to higher values of plies.Ĥ.) After completing step 3.), creating the new opening book for 4 plies and above, with (for example): Polyglot.exe make-book -pgn the-opening-collection.pgn -max-ply 3 -min-game 1 -min-score 0 -bin the-generated-opening-book_plies-3.binģ.) At this stage, playing a few thousands of games with long time control (e.g.: Stockfish 8 圆4 vs. pgn files upto this point: the possible settings and the command line option (to provide an example way): It is needless to say, going above ~3 plies would make this process very time consuming.Ģ.) Using polyglot with the created and joined. Then, as moving forward (as the ply number increases): the selected positions can be narrowed, gradually, e.g.

Starting from 1.e4 to 1.h4 (check Deep Analysis (1.e4 - 1.g4) for clarity), and deepening each lines upto 2 plies (~250 positions), then to 3 plies depth (with those positions where the evaluation value fits in e.g.: +0.30.-0.30). pgn file with standard layout and with multiple games, with format: The below steps & details are only to give some ideas for developing ones own concept(s).ġ.) Creating a. For clarity: it is not the exact way how the preparation of the opening book(s) what will be available on my Patreon supporting page is happening (those exact details will be available, there, for each new updates).

Create a pgn chess file