G minor chord for guitar in different forms, both open and barre chords.
Try in a chord progression
Eb - Bb - Ab - Gm
Theory of the Gm chord
The notes that an Gm chord consists of is G, Bb, D.
To get Gm7 you add F.
To get Gm6 you add E.
1st inversion: Gm/Bb (means that Bb is the bass note).
2nd inversion: Gm/D (means that D is the bass note).
G minor played as barre chord
Here's the two ways to play G minor as barre chord: