Thank you so much for reporting! I have created a ticket into the system. While our team looks into it, could please try uninstalling and re-installing the app to see if it was a temporary issue?
Thank you 
iOS app crashing
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davidkaufmann wrote:
Thank you so much for reporting! I have created a ticket into the system. While our team looks into it, could please try uninstalling and re-installing the app to see if it was a temporary issue?
Thank you
Yes it was a temporary issue Thank you However I still have the issue with my other thread
I own an iPhone 8 Plus and when using the official chess.com I tap on tactics then the app crashes!!!