Apologies, this quiz is not to my highest standard and I am planning on redoing the map to bring this quiz to the same level as my China and Germany quizzes.
Sadly, flags are constantly breaking on these quizzes. National flags are generally safe, but for some reason historical flags are either replaced or moved on Wikipedia and so the link fails. I need to update all of the "flag timeline" quizzes in general so I'll fix it soon.
The Tsars of Russia also chose the Imperial Standard with a Yellow Background and a Black Eagle in the middle of it. The Flag was only changed to the Black Yellow White Stripe during the Reign of Alexander II.
That would be the Imperial Standard, rather than the national flag. It is similar to how Russia has a Presidential Standard flag displaying said eagle over the current Russian tricolour. Perhaps my quiz claims otherwise (apologies for that, should have done more research), the 1858 black, gold, white flag was essentially the first state flag of Russia, with flags resembling the current being used for merchant/private use pre-USSR.