Hans was below 2500 in 2021, that's IM level. A typical young IM is in the 2400-2500 range. To be precise he was 2484 in 2021-Jan as you can verify here https:

Hans was below 2500 in 2021, that's IM level. A typical young IM is in the 2400-2500 range. To be precise he was 2484 in 2021-Jan as you can verify here https://ratings.fide.com/profile/2093596/chart https://ratings.fide.com/profile/2093596/chart Hence he went from IM level to Super GM level within 1 year and 9 month. Another coincidence is that GM Maxim Dlugy, a coach of Hans, is a known cheater.