1. It can handle them since the 1970s at least. Ancient 1A33 provided 0.8 first shot kill probability against moving the tank-sized target from 2 kms, and I see no reasons why LRF-fitted TPD2-49 from the mid-1960s couldn't do the same for a static target.I have no doubt Chinese FCS could handle 2km+ moving targets while on the move themselves, but Russian FCS can't, so the games will never have such a event.
2. t-72b3 uses one of the most advanced FCS among deployed(Sosna-U). Why they aren't employed is a common question. Even not counting sports aspect, even for reserve sight (former main sight, TPD-K1), accuracy results are terrible by old standards(according to former GSVG officers).