Please tell.
OK I have already given my tip to create a ctg opening book.
:)
I'll tip Chessbase 0%, thank you.
one more tip
Open a pgn file.
Convert it to a cbh
Classify all keys.
Open any game
In board window click on tools and in drop down click on theme classification and in the pop up u can see the main idea of the game which won the game.
Love
Please tell.