Ok, that Caernarvon AX player has over 2k battles in the Liberte, so I expect he knows the weakspots of the Liberte (ironically it was my first battle in the tank), but this just doesn't add up. I know Battle Hits can be a bit off sometimes, but this time it shows exactly where the shell entered. The armor should be over 230mm here and the AP rounds of the Caernarvon AX have 226mm pen. Add to that that he managed to hit two other penetrating shells through the tiny holes in the brick wall on Minsk. It just seems like unrealistic accuracy.
I managed a Steel Wall in this match, so it wasn't that big a deal in the end, but sometimes I wonder if WG are just trolling you with their RNG logic.