In this great lesson by Robin Nolan, he describes how the min7b5 chord shape can be used as an easy-to-remember chord substitute in chord progressions.
Be sure to explore the diagrams below the video to see how the shape stays the same as the chord tones change, and take the quiz to lock in your knowledge!
Bmin7b5
This is a common min7b5 shape, with the root note in bass position