Lessons the past couple of weeks have featured positions where a pin may be exploited to gain material. Sometimes another tactic is needed to create a pin and win material.
This position occurred in an online game one year ago. Black found the correct tactic here, but later lost his way and threw away his queen. White then demonstrated that he had difficulty finding an easy checkmate.
Black to move
Bonus problems: find White's quickest rout to checkmate.
White to move
Here White missed a checkmate in one.
White to move
