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Programm to create opening database

Has anyone tried the new online opening trainer of chessbase? They have a free mode and I wonder if that is sufficient.
Does anyone know the difference between the free opening trainer and the paid membership opening trainer at chessbase?
Sorry, just saw it is only free for 90 days. Please forget my above post.
I think the best trainers for openings are;

1. Perfect chess trainer by Michael Bartl. He has a PC version and an android version. This is the best and it costs around $15 for the PC version and like $2-3 for the android I think. I bought both for completion.

2. Chess Position trainer by Stephan Renewitz (spln?). This use to be my favorite but he broke a promise and made it shareware. I don't mind paying for a good product, but I won't stay with someone who breaks promises. It's a good product, my reasons are purely on principle.

3. Book up - Still up there.. But has been passed by the first two by far.

The best way to obtain training material is to get a fritz trainer and convert your game library into PGN and then set them into the trainers.

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