Exchange Sacrifice arising from Advance Variation French Defense

One of the acts of chess maturation is being able to discern when to part with material for positional, long term benefits.

In the following game of chess played at ICC, MathSS essayed the advance variation against the French Defense.

A position was reached where Black had a protected passed pawn at c4 and a very powerful light squared Bishop anchored at e4 with the potential to terrorize the White King Side down the h1-a8 diagnonal. This observation is all the more significant given the absence of White's light square guardian.

So a powerful Bishop and a protected passed pawn along with the lever(file opening) h pawn motivated Black to sacrifice the exchange by ripping off the f6 Bishop with his Rook and then follow with pawn to h4.

The StockFish chess playing computer program found a complicated way to hold the position for White, but in a practical game between USCF experts or even masters, the practical winning chances lie with the Second Player!