Just download that free thing, watch the videos and judge yourself. I didn't discover any "secret" there.
In general you should be alerted if somebody talks about secret methods and rapid improvement. This is just advertisement.
The truth is improving in chess or any other skill is hard work and takes time. The only "shortpath" is to train the most efficient way.
Do you think it is worth purchasing this...
see the post below the thankyou thing on page.
please check this link:
https://www.ichess.net/10gmsecrets-thank-you/