Tactics - Overworked Defender (Overloading)

Overloading Chess Tactics Resources

Overloading (Overworking)  is a Chess Tactic in which a defensive piece is given an additional assignment which it cannot complete without abandoning its original assignment.
Wikipedia Article

   

  

Overworked Defender Articles

  Predator at the Chessboard (Overworked Defender)
Distracting The Guard (Over Worked Piece) - 17 Page Article
Overloading Examples - at Chessguru.net 
Example from Krasenkow-Karpov Game- Definition and example at Wikipedia
Lichess Practice Area - Scroll Down and there is a 10 Problem Set under Overloading

Games Databases

Overloaded/Overworked Tactic-- OTB Examples - 19 Games ChessGames.com
Overworked Piece Tactic - OTB Examplese 50 games  ChessGames.com

Overworked Defender Tactics Video Lessons

Overworked Pieces - GM Ben Finegold - 25 Min
How to take Advantage of overloaded Pieces| Chess Beginner Tactics - 14 Min IM Astraneh
The Overloaded Bg2 - Daily Lesson with a GM - 10 Min
Supercharge your games by overloading those pieces | Overloaded Piece | - 19 Min