Can you find a checkmate there?

Family duties do not leave many chances to post anything, but I can not stop myself from publishing following position.

This position could happen in the rapid game between Loek Van Wely and Vassily Ivanchuk. As it often happens, the most interesting remained behind the scene.

Clearly, White king is in a big danger and even a unprepared eye can see seemingly the correct first move of the final attack. But do not hurry up! Try to calculate this as deep as you can!

Done? Then let me show you the correct answer:

Hope, you liked this exercise!