They are in the score history on your profile page.
It holds the last 200 rounds, including Blitz and CTTH games, with indication of tier.
The total no. is in the stats. For those who are interested in their stats it's advisable
- to note the total no. at a tier-up, from Master on, as a reference for the tier-related number
(They are likely to exceed 200),
- to get a copy of the score history every now and then if you want to get into the average calcultion.