11...Rxf7 12.Qd8+ Kh7 13.Bxd5 Nf2+ 14.Kg2 Qf6 15.Qxf6 Rxf6 16.Kxf2 Rxf5+ 17.Bf3 Rf4 18.Rg4
Covering the rook on d8 before moving the knight from d7, where it controls the crucial square c5.
After 3.Rxd8 Rxd8 4.Rxd8 Kxd8! White doesn't achieve c4-c5 either, just like in the main line.
Preparing ...Qe7 with some pressure on the b4-pawn. Black has no problems.
Black isn't interested in a draw by repetition and directs his last piece at the enemy kingside.