Chess - engine analysis and opening book development

Welcome !

The intention of the site is to provide some insights into chess openings & chess engine analysis. The old site is now being restructured from the ground, for better clarity.

The status of the currently in development opening book can be followed at:

Categorized opening moves with illustrations are here:

opening moves & illustrations

Some of the "raw" chess analysis data are still accessible through the links:

Deep Analysis (1.e4 - 1.g4) (for the initial moves, 20 by numbers)


Deep Analysis (various) (for selected opening positions).

The available data under the above 2 links are from the following engines:

Stockfish 9, Stockfish 8, Stockfish 7, Komodo 9.02, Komodo 8.

Contact e-mail address: analysis4chess (at)

The page is last updated on 2022. May 18. 10:18 CEST.