Small update in Bookbuilder book

 In the latest download (bookbuilder setup file), there's now
a slight update of the book.pbs file (more than one million positions)

Best move now is 1.e4 in line with experiences in correspondence chess.
With best play, chess is a draw. but humans still may enjoy the g
game; and become a bit more modest in the process. 

The updated book may be useful for otb players, who like
to check/update their repertoire. But it's not perfect, of  course.

In correspondence chess you may of course look at 
bigger databases/ opening books.

Nevertheless, have fun

:)

Bookbuilder (free) download

The opening study and training program Bookuilder
(latest commercial version was 4.3b) now becomes
opensource. The setup file now can be downloaded at 

Bookbuilder download page 

Formerly a trial version for a week, the serial codes
for registration now are given as 'donation-ware'

Method for registration: go to help entry on menu 

username: customer@2013

serial code(s) FA95  997

Latest, medium size book was made by analyzing 
endmodes with SFNNue (!) and backsolving /full minimax
of the book with the older version bb36 (also included).

Enjoy

A donation a foundation in Moldova will be appreciated

See info in the readme.txt

PS sourcecodes of the program will be uploaded soon
(in the directory sources of this project on sourceforge.net)