Learn How to Use an Intermezzo: Crushing Tactical Refutation
This puzzle shows a classic intermezzo idea in the opening: instead of recapturing immediately, Black inserts a forcing move that changes the whole position. The key is that the bishop check creates a tactical interruption, exposing White’s king and leaving the white bishop on d5 vulnerable. In practical classical chess, these in-between moves often turn a small edge into a decisive material gain by exploiting pins, loose pieces, and king safety at the same time.