Keep threatening checkmate

The only move in chess without possible drawbacks is checkmate. So one strategy is to keep threatening checkmate in the hope that it eventually pays off. For beginners this usually relies upon the opponent missing the threat, but for strong players it is usually because they run out of moves to defend against it.
Here is an example of the second situation.


Karjakin,Sergey (2760) - Esipenko,Andrey (2564) [B11]
World Rapid 2017 Riyadh KSA (8.9), 27.12.2017