4. ... a6 5.Ad3 Cf6 6.0-0 Dc7 7.Rh1

And in this way I end the game, abandoning the black pieces.
This is the continuation of the forced sequence, the explanation of why he leaves the game, I was analyzing it for 5 minutes and that was the answer.

And this was the result of the attraction of the black pieces Queen in Dg5-h5 by means of the sacrifice of the white Queen Dd1 to Dh5 a brilliant movement.