Are you interested in the test of your chess thinking abilities, or the performance of your body at all?
If yes, the tests of Zinzino are good choice for you. These tests are made from dry blood drops in the certified laboratory VITAS

https://vitas.no/

Balance test - download pdf 

in Norway - home country of current FIDE chess  world champion Magnus Carlsen.
For more information click on the link to Zinzino website from our Menu Item Brain Power.

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