Guitar chords in the key of D major:
D Em F#m G A Bm C#dim

Chord Dm7b5 (10th fret) notes: D, Ab, C, F, C and D.

This chord is played by placing a barre on fret ten with your index finger.

Dm7b5 - D half-diminished minor 7th guitar chord's alternative names: Dm7-5, Dø, Dm7b5, D-7b5, Dmin7-5 and Dmin7b5. See also: Ddim and Ddim7.

Steps: 1-b3-b5-b7.
1(D), b3(F), b5(G#/Ab), b7(C).