Got it. Dev wrote few days ago:
To get short standard version of addresses from your client, please check in 'Coin Control Features' (Preference > Display > Display coin control features) then go in the send tab you will see that there is 'Inputs..." button, inside you should see the list of all your address in standard short version.
Please keep in mind that your coin might be spread in multiple addresses thus not showing in the 'rich list'
Thank you for your support.
So actually wallets with long addresses and shown in the richlist as several short addresses. Thats why I could see my wallet (and any address with appropriate amount), as my coins are split to three short addresses. Thats interesting feature, but it makes richlist a bit less useful - as there is too much fragmentation to make any assumption on the number of "rich" people
Off-topic: I like the Dev's "Thank you for your support." phrase (its like signature on almost every post)
This shows he is from a commercial environment, probably working for a serious company, its their 'school'