Visualisation

In chess, visualisation is the ability to see in your mind the positions reached when certain moves are made – without making them on the board – and seeing them so clearly, you can accurately consider the implications of each new position ... thechessworld.com

Diagram - the position is from a game played in this year's Trinidad & Tobago's Master tournament.
How does White win a piece with this move ?

👍 Tournaments - 6 positions from Trinidad & Tobago Master games & more