For comparison, I used to be a very average, but pretty regular user about 5 years ago. I could reliably solve easiest 2 out of 5 problems, 3 in my lucky days.

For comparison, I used to be a very average, but pretty regular user about 5 years ago. I could reliably solve easiest 2 out of 5 problems, 3 in my lucky days. My rating is 1562.