Guitar chords in the key of G:
Chord Gm7b5 (10th fret) notes: G, Db, F and Bb. You must leave out the 6th and 1st strings.
Gm7b5 - G half-diminished minor 7th guitar chord's alternative names: Gm7-5, Gø, Gm7b5, G-7b5, Gmin7-5 and Gmin7b5. See also: Gdim and Gdim7.
1(G), b3(A#/Bb), b5(C#/Db), b7(F).