Knowledge Base 1.0 is the work of months carefully building a quality Polyglot database with analyzed positions by top engines, mainly by Stockfish 12 and Stockfish 13 covering about 95% of the general opening theory. The estimated total computer time roughly is about 8 years 24/7 single cpu time limited to 5 real months 24/7 due to the use 2 powerful PC's with many cores. The average quality of of the 94 million analyzed positions is around ~3300 elo. The database contains a wealth of information for opening study and for correspondence players. Knowledge Base is made available for SCID for easy browsing through the Polyglot database by clicking on the moves.

Operation - unzip the archive, go to the bin folder and double click scid.exe. _____________________________________________________________________________________________________

A big thanks goes to Fulvio who implemented the needed changes to SCID and his permission to publish SCID on the REBEL website.

Author note about this development version - some things may be incomplete or not work as expected.

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Selected Openings

From the main Polyglot database (knowledge.bin) we extracted a number of popular openings analyzed with Stockfish 13 which you can use separately.

Note that knowledge.bin also can be used with

ProDeo Knowledge and PGN Annotator.