Tried to search the web for accounts of landing experience by spouses without sponsors for you (both in English and Russian), could find only one so far!
http://britishexpats.com/forum/showthread.php?t=705288
"Just to update...... My husband has Landed! He flew to Canada on his own this week and was successful in Landing without me. We decided to take the risk of him going on his own, prepared to make another trip in a month or so with all of us if he wasn't able to proceed without me being there. They asked if I was in Canada or in the UK and he told them I was in the UK and they weren't bothered. He had letters from me, my mother (as recommended by the lawyer) stating he was staying with her for x number of days, plus a letter from his work stating he was employed in the UK and was returning to work on X day. He didn't need to show any of it. Just the Goods to Follow list. So, he returns in a few days and we will finally put the house up for sale."