G diminished guitar chord (Gdim)
A diminished chord stacks two minor thirds: root, minor third, diminished fifth. Tense and unstable, it is mostly used as a passing chord.
Positions and fingerings
Position 1 fret 3
Position 2 fret 5
Position 3 fret 10
× muted string · o open string · numbers: fingers (1 index, 2 middle, 3 ring, 4 pinky)
Chord notes
| Note | Interval |
|---|---|
| G | root |
| B♭ (B flat) | minor third |
| D♭ (D flat) | diminished fifth |
Formula: 1 – b3 – b5 · G – B♭ – D♭
A progression with this chord
The diminished chord works as a passing chord to the chord a semitone above.