Puzzles XI

Hi friends! This time about Intermediate move. It is a move not provided for in the basic idea of a forced variation or combination. May significantly change the course of the struggle, disrupt the plans of the opponent. The intermediate move is not always obvious, it is made instead of an obvious move and allows you to extract certain benefits from the position. Say, when exchanging instead of capturing a piece is followed by an intermediate check, which leads to mate or win material. Enjoy!

In this puzzle White has just captured a queen at c3 and thinking that after b:c they will take a knight at c4 by capturing it with a pawn. Although White has other plans to save the knight....