Every year Carlsen prepares a surprise for the Rapid&Blitz World Championship. This year it’s the Tarrasch. Apparently he argues that playing the Panow-Attack a tempo down is sufficient for equality. The plan looks pretty simple: Protect the pawn on c6 with Bd7 and hammer away on the kingside with h5. Very alphazeroish.

But was it really a surprise? The amazing Mr. Dubov has played it four times in 2019, twice at the FIDE Grand Prix!

 
Update: Apparently I was somewhat behind on this development, because L’Ami even made a video course on it. Sorry, can’t follow everything. The pure Tarrasch hasn’t been in my scope of interest.

And here is the last word on this variation (for now):