Here's the official statement via James Bottomley

> sanctions change the war result ?

Russia would have won already if the sanctions weren't in place.

They would have lost already if the sanctions were properly enforced.

For instance the Lancet is a fearsome weapon, but they can only build as many as they can smuggle in these:

https://developer.nvidia.com/embedded/jetson-tx2

Just about the only significant weapons they can make on entirely on their own are things like artillery ammunition and BM-21 rockets, and
half of those are supplied by North Korea.