its really amazing that how vinod sir told us that progressive 10th house aspects with big planets like sun and saturn will be more effiecient before and after the 2 years time period because the native confirmed till 2016 at 7:44 so in that aspect progressive 10th house sextile natal sun ie 2012 to 2016 gave him good amount of knowledge in chess as well as the medicine, all the best to you bro (native) these are main essential topics as they are given to you in good time from the god