In the research by Barzegar and Barzegar (2017), chess serve as a therapeutic medium with a correct level of difficulty was an effective treatment toward the panic attacks.
The reference and Digital Object Identifier of the study have provided. Welcome to give some insight and perspectives toward the study.
Reference
Barzegar, K., & Barzegar, S. (2017). Chess therapy: a new approach to curing panic attack. Asian journal of psychiatry, 30, 118-119. https://doi.org/10.1016/j.ajp.2017.08.019